7 lcd display hdmi free sample

Insert the TF Card to Raspberry Pi, connect the Raspberry Pi and LCD by HDMI cable; connect USB cable to one of the four USB ports of Raspberry Pi, and connect the other end of the USB cable to the USB port of the LCD; then supply power to Raspberry Pi; after that if the display and touch both are OK, it means drive successfully (please use the full 2A for power supply).

After execution, the driver will be installed. The system will automatically restart, and the display screen will rotate 90 degrees to display and touch normally.

（" XXX-show " can be changed to the corresponding driver, and " 90 " can be changed to 0, 90, 180 and 270, respectively representing rotation angles of 0 degrees, 90 degrees, 180 degrees, 270 degrees）

When working with Raspberry Pi, you should set the resolution of the LCD by yourself, otherwise, the LCD screen will not work. For more detailed information, please read the following section.

When the Raspberry Pi is connected to multiple monitors at the same time, the touch effect of the 7inch LCD will be applied to the main screen by default. If you need to specify the touch to the secondary screen, see#Calibrate double-touchscreen in Pi 4

If you use the Buster branch system, you can use it according to the above configuration. But if you are using the Bullseye branch system, you need to modify the default KMS driver to FKMS driver to display the system desktop normally

2. Input command xinput in the terminal, and check the touch ID of the main monitor. (There should be two IDs, you can touch displays to check which is the main one);

This LCD can support Raspberry Pi OS / Ubuntu / Kali / Retropie systems. When the LCD works on systems such as Raspberry Pi OS, the resolution must be set manually, otherwise, it will cause an abnormal display.

8) Connect the HDMI interface of the LCD to the HDMI interface of the Raspberry Pi, power on the Raspberry Pi, and wait for a few seconds until the LCD displays normally.

If you use the Buster branch system, you can use it according to the above configuration. But if you are using the Bullseye branch system, you need to modify the default KMS driver to FKMS driver for displaying the system desktop normally.

2. Input command xinput in the terminal, and check the touch ID of the main monitor. (There should be two IDs, you can touch displays to check which is the main one);

ER-TFTV070A1-3 is 800x480 dots 7" color tft lcd module display with small HDMI signal driver board and superior display quality,super wide view angle. It"s optional for optional 4-wire resistive touch panel with USB driver board and cable, optional capacitive touch panel with USB controller board and cable, optional remote control,It can be used in any embedded systems,car,industrial device,security and hand-held equipment which requires display in high quality and colorful video.It"s also ideal for Raspberry PI by HDMI.

7 inch mini HDMI monitor with HD 1024x600 resolution. This small LCD screen upgrades to IPS screen with larger visible angle and better image quality.

Plug and play, as easy as plugging micro USB cable for touch and power supply, HDMI cable for displaying, both cables included in the package, no driver needed.

The USB capacitive touch control is for Windows and raspberry pi system, free-driver, just connect the 7” screen by the USB port of the computer/ Raspberry Pi.

Can be used as a general-purpose 7 inch HDMI screen connected to your TV box, game console, or mounted inside your PC case as temperature stat panel display, etc.

Supports PC with HDMI port:Used as a small second monitor for laptop which has Win7, Win8, Win10 system, 5 point touch (XP and older version system: single-point touch), free drive.

Supports PC with HDMI port:Used as a small second monitor for laptop which has Win7, Win8, Win10 system, 5 point touch (XP and older version system: single-point touch), free drive.

Connected to RPI 4: Connect to HDMI 0 port when working with Raspberry Pi 4.(Just power the screen by the USB port of the pi if you want to get the touch function available)

Connected to RPI 4:Connect to HDMI 0 port when working with Raspberry Pi 4.(Just power the screen by the USB port of the pi if you want to get the touch function available)

7 inch 1024x600 Capacitive Touch ScreenDescriptionThis is our brand new product, it is a fantastic HDMI monitor with capacitive touch screen and driver free. It"s been tested on Raspberry Pi, beagle bone black, windows 10 and Mac book pro. And it works well on those platform and it really plug and play, all you need to do is to adjust the resolution(on RaspberryPi).For use with a Raspberry Pi we suggest editing config.txt to set the HDMI to the native 1024x600 in case it doesn"t detect the resolution properly.The easiest way to edit the config.txt is to put the Pi TF card into an every day computer and edit config.txt with any text editor and save.And most valuable things is it has been extended with two USB HOST ports so that you can hookup more USB devices to your screen, for example, the USB dongle or the USB mouse or keyboard.FeaturesResolution up to 1024 x 600USB Capacitive touch controlFree-driver, Plug and PlaySupports Raspbian, Ubuntu Mate, NOOBS with RaspberryPiSupports Debian, Angstrom with BeagleBoneSupports Windows / Ubuntu / Mac with PCSupports Intel-Processor Base MiniPCULP (Ultra Low Power) consumption backlightExtend Two USB HOST PortsParametersPower: 5V Power via USB MicroCurrent: Max 500mADisplay Type: 7 inch TFT LCDResolution: 1024x600Touchscreen: USB capacitiveTouch points: 10 points maximumInterface: HDMI & USB 2.0 Full SpeedDimensions: 177.06mm x 113.09mm x 15.2mmWeight without package: 230gWeight with package: 350gPackage includes1 x 7 Inch Capacitive HDMI Display1 x 30cm High Quality HDMI cable wire1 x MicroUSB Cable wireWIKIhttp://wiki.52pi.com/index.php/7-Inch-1024x600_Capacitive_Touch_Screen_(Extend_Two_USB_HOST_Port)_SKU:_EP-0085

High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device.analog video standards.

HDMI implements the EIA/CEA-861 standards, which define video formats and waveforms, transport of compressed and uncompressed LPCM audio, auxiliary data, and implementations of the VESA EDID.: p. III CEA-861 signals carried by HDMI are electrically compatible with the CEA-861 signals used by the Digital Visual Interface (DVI). No signal conversion is necessary, nor is there a loss of video quality when a DVI-to-HDMI adapter is used.: §C The Consumer Electronics Control (CEC) capability allows HDMI devices to control each other when necessary and allows the user to operate multiple devices with one handheld remote control device.: §6.3

Several versions of HDMI have been developed and deployed since the initial release of the technology, occasionally introducing new connectors with smaller form factors, but all versions still use the same basic pinout and are compatible with all connector types and cables. Other than improved audio and video capacity, performance, resolution and color spaces, newer versions have optional advanced features such as 3D, Ethernet data connection, and CEC extensions.

Production of consumer HDMI products started in late 2003.HDCP or HDMI is included in the HD ready in-store labeling specification for TV sets for HDTV, formulated by EICTA with SES Astra in 2005. HDMI began to appear on consumer HDTVs in 2004 and camcorders and digital still cameras in 2006.

The HDMI founders were Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, and Toshiba.HDCP (which was developed by Intel) for HDMI.Fox, Universal, Warner Bros. and Disney, along with system operators DirecTV, EchoStar (Dish Network) and CableLabs.

The HDMI founders began development on HDMI 1.0 on April 16, 2002, with the goal of creating an AV connector that was backward-compatible with DVI.Y′CBCR capability and consumer electronics control functions.

The first Authorized Testing Center (ATC), which tests HDMI products, was opened by Silicon Image on June 23, 2003, in California, United States.Panasonic on May 1, 2004, in Osaka.Philips on May 25, 2005, in Caen, France.

According to In-Stat, the number of HDMI devices sold was 5 million in 2004, 17.4 million in 2005, 63 million in 2006, and 143 million in 2007.de facto standard for HDTVs, and according to In-Stat, around 90% of digital televisions in 2007 included HDMI.consumer electronics and PC companies that had adopted the HDMI specification (HDMI adopters).

On January 28, 2008, In-Stat reported that shipments of HDMI were expected to exceed those of DVI in 2008, driven primarily by the consumer electronics market.

On October 25, 2011, the HDMI Forum was established by the HDMI founders to create an open organization so that interested companies can participate in the development of the HDMI specification.US$15,000 with an additional annual fee of $5,000 for those companies that serve on the Board of Directors.

On January 8, 2013, HDMI Licensing, LLC announced that there were over 1,300 HDMI adopters and that over 3 billion HDMI devices had shipped since the launch of the HDMI standard.

The HDMI specification defines the protocols, signals, electrical interfaces and mechanical requirements of the standard.: p. V The maximum pixel clock rate for HDMI 1.0 is 165 MHz, which is sufficient to allow 1080p and WUXGA (1920×1200) at 60Hz. HDMI 1.3 increases that to 340 MHz, which allows for higher resolution (such as WQXGA, 2560×1600) across a single digital link.

HDMI uses the Consumer Electronics Association/Electronic Industries Alliance 861 standards. HDMI 1.0 to HDMI 1.2a uses the EIA/CEA-861-B video standard, HDMI 1.3 uses the CEA-861-D video standard, and HDMI 1.4 uses the CEA-861-E video standard.: p. III The CEA-861-E document defines "video formats and waveforms; colorimetry and quantization; transport of compressed and uncompressed LPCM audio; carriage of auxiliary data; and implementations of the Video Electronics Standards Association (VESA) Enhanced Extended Display Identification Data Standard (E-EDID)".Ultra HD video formats and additional color spaces.

To ensure baseline compatibility between different HDMI sources and displays (as well as backward compatibility with the electrically compatible DVI standard) all HDMI devices must implement the sRGB color space at 8 bits per component.: §6.2.3 Ability to use the Y′CBCR color space and higher color depths ("deep color") is optional. HDMI permits sRGB 4:4:4 chroma subsampling (8–16 bits per component), xvYCC 4:4:4 chroma subsampling (8–16 bits per component), Y′CBCR 4:4:4 chroma subsampling (8–16 bits per component), or Y′CBCR 4:2:2 chroma subsampling (8–12 bits per component). The color spaces that can be used by HDMI are ITU-R BT.601, ITU-R BT.709-5 and IEC 61966-2-4.: §§6.5,6.7.2

For digital audio, if an HDMI device has audio, it is required to implement the baseline format: stereo (uncompressed) PCM. Other formats are optional, with HDMI allowing up to 8 channels of uncompressed audio at sample sizes of 16 bits, 20 bits, or 24 bits, with sample rates of 32kHz, 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, or 192kHz.: §7 HDMI also carries any IEC 61937-compliant compressed audio stream, such as Dolby Digital and DTS, and up to 8 channels of one-bit DSD audio (used on Super Audio CDs) at rates up to four times that of Super Audio CD.: §7 With version 1.3, HDMI allows lossless compressed audio streams Dolby TrueHD and DTS-HD Master Audio.: §7 As with the Y′CBCR video, audio capability is optional. Audio return channel (ARC) is a feature introduced in the HDMI 1.4 standard.

The HDMI standard was not designed to pass closed caption data (for example, subtitles) to the television for decoding.DVD player that sends an upscaled 720p/1080i format via HDMI to an HDTV has no way to pass Closed Captioning data so that the HDTV can decode it, as there is no line 21 VBI in that format.

The Display Data Channel (DDC) is a communication channel based on the I2C bus specification. HDMI specifically requires the device implement the Enhanced Display Data Channel (E-DDC), which is used by the HDMI source device to read the E-EDID data from the HDMI sink device to learn what audio/video formats it can take.: §§8.1,CEC-1.2–CEC-1.3 HDMI requires that the E-DDC implement I2C standard mode speed (100 kbit/s) and allows it to optionally implement fast mode speed (400 kbit/s).: §4.2.8

Transition-minimized differential signaling (TMDS) on HDMI interleaves video, audio and auxiliary data using three different packet types, called the video data period, the data island period and the control period. During the video data period, the pixels of an active video line are transmitted. During the data island period (which occurs during the horizontal and vertical blanking intervals), audio and auxiliary data are transmitted within a series of packets. The control period occurs between video and data island periods.: §5.1.2

Both HDMI and DVI use TMDS to send 10-bit characters that are encoded using 8b/10b encoding that differs from the original IBM form for the video data period and 2b/10b encoding for the control period. HDMI adds the ability to send audio and auxiliary data using 4b/10b encoding for the data island period. Each data island period is 32 pixels in size and contains a 32-bit packet header, which includes 8 bits of BCH ECC parity data for error correction and describes the contents of the packet. Each packet contains four subpackets, and each subpacket is 64 bits in size, including 8 bits of BCH ECC parity data, allowing for each packet to carry up to 224 bits of audio data. Each data island period can contain up to 18 packets. Seven of the 15 packet types described in the HDMI 1.3a specifications deal with audio data, while the other 8 types deal with auxiliary data. Among these are the general control packet and the gamut metadata packet. The general control packet carries information on AVMUTE (which mutes the audio during changes that may cause audio noise) and color depth (which sends the bit depth of the current video stream and is required for deep color). The gamut metadata packet carries information on the color space being used for the current video stream and is required for xvYCC.: §§5.2–5.3,6.5.3,6.7.2,6.7.3

Consumer Electronics Control (CEC) is an HDMI feature designed to allow the user to command and control up to 15 CEC-enabled devices, that are connected through HDMI,television set, set-top box, and DVD player using only the remote control of the TV). CEC also allows for individual CEC-enabled devices to command and control each other without user intervention.: §CEC-3.1

It is a one-wire bidirectional serial bus that is based on the CENELEC standard AV.link protocol to perform remote control functions.: §8.1 It was defined in HDMI Specification 1.0 and updated in HDMI 1.2, HDMI 1.2a and HDMI 1.3a (which added timer and audio commands to the bus).: §§CEC-1.2,CEC-1.3,CEC-3.1,CEC-5 USB to CEC adapters exist that allow a computer to control CEC-enabled devices.

Introduced in HDMI 1.4, HDMI Ethernet and Audio Return Channel (HEAC) adds a high-speed bidirectional data communication link (HEC) and the ability to send audio data upstream to the source device (ARC). HEAC utilizes two lines from the connector: the previously unused Reserved pin (called HEAC+) and the Hot Plug Detect pin (called HEAC−).: §HEAC-2.1 If only ARC transmission is required, a single mode signal using the HEAC+ line can be used, otherwise, HEC is transmitted as a differential signal over the pair of lines, and ARC as a common mode component of the pair.: §HEAC-2.2

HDMI Ethernet Channel technology consolidates video, audio, and data streams into a single HDMI cable, and the HEC feature enables IP-based applications over HDMI and provides a bidirectional Ethernet communication at 100 Mbit/s.physical layer of the Ethernet implementation uses a hybrid to simultaneously send and receive attenuated 100BASE-TX-type signals through a single twisted pair.

HDMI is backward compatible with single-link Digital Visual Interface digital video (DVI-D or DVI-I, but not DVI-A or dual-link DVI). No signal conversion is required when an adapter or asymmetric cable is used, so there is no loss of video quality.: appx. C

From a user"s perspective, an HDMI display can be driven by a single-link DVI-D source, since HDMI and DVI-D define an overlapping minimum set of allowed resolutions and frame-buffer formats to ensure a basic level of interoperability. In the reverse case, a DVI-D monitor has the same level of basic interoperability unless content protection with High-bandwidth Digital Content Protection (HDCP) interferes—or the HDMI color encoding is in component color space Y′CBCR instead of RGB, which is not possible in DVI. An HDMI source, such as a Blu-ray player, may require an HDCP-compliant display, and refuse to output HDCP-protected content to a non-compliant display.

Any DVI-to-HDMI adapter can function as an HDMI-to-DVI adapter (and vice versa).gender of the adapter"s connectors and the gender of the cables and sockets it is used with.

Features specific to HDMI, such as remote-control and audio transport, are not available in devices that use legacy DVI-D signalling. However, many devices output HDMI over a DVI connector (e.g., ATI 3000-series and NVIDIA GTX 200-series video cards),: appx. C

HDMI can use HDCP to encrypt the signal if required by the source device. CSS, CPRM and AACS require the use of HDCP on HDMI when playing back encrypted DVD Video, DVD Audio, HD DVD and Blu-ray Disc. The HDCP Repeater bit controls the authentication and switching/distribution of an HDMI signal. According to HDCP Specification 1.2 (beginning with HDMI CTS 1.3a), any system that implements HDCP must do so in a fully compliant manner. HDCP testing that was previously only a requirement for optional tests such as the "Simplay HD" testing program is now part of the requirements for HDMI compliance.: §9.2

Devices called HDCP strippers can remove the HDCP information from the video signal so the video can play on non-HDCP-compliant displays,fair use and non-disclosure form must usually be signed with a registering agency before use.

There are five HDMI connector types. Type A/B are defined in the HDMI 1.0 specification, type C is defined in the HDMI 1.3 specification, and type D/E are defined in the HDMI 1.4 specification.

This connector is 21.2 mm × 4.45 mm and has 29 pins, carrying six differential pairs instead of three, for use with very high-resolution displays such as WQUXGA (3840×2400). It is electrically compatible with dual-link DVI-D, but as of August 2021: §§4.1.3,4.1.9.4

The HDMI alternate mode lets a user connect the reversible USB-C connector with the HDMI source devices (mobile, tablet, laptop). This cable connects to video display/sink devices using any of the native HDMI connectors. This is an HDMI cable, in this case a USB-C to HDMI cable.

An HDMI cable is composed of four shielded twisted pairs, with impedance of the order of 100 Ω (±15%), plus seven separate conductors. HDMI cables with Ethernet differ in that three of the separate conductors instead form an additional shielded twisted pair (with the CEC/DDC ground as a shield).: §HEAC-2.9

Although no maximum length for an HDMI cable is specified, signal attenuation (dependent on the cable"s construction quality and conducting materials) limits usable lengths in practice: §4.2.6: §4.2.6 A cable of about 5 meters (16 feet) can be manufactured to Category 1 specifications easily and inexpensively by using 28 AWG (0.081 mm2) conductors.2) conductors, an HDMI cable can reach lengths of up to 15 meters (49 feet).

A new certification program was introduced in October 2015 to certify that cables work at the 18 Gbit/s maximum bandwidth of the HDMI 2.0 specification.

In conjunction with the HDMI 2.1 specification, a third category of cable was announced on January 4, 2017, called "48G".Gbit/s bandwidth of HDMI 2.1, supporting 4K, 5K, 8K and 10K at 120Hz.

An HDMI extender is a single device (or pair of devices) powered with an external power source or with the 5V DC from the HDMI source.HDCP and blinking on the screen, due to the weakened DDC signal that HDCP requires. HDCP DDC signals must be multiplexed with TMDS video signals to comply with HDCP requirements for HDMI extenders based on a single Category 5/Category 6 cable.amplifiers, equalizers and repeaters that can string several standard HDMI cables together. Active HDMI cables use electronics within the cable to boost the signal and allow for HDMI cables of up to 30 meters (98 feet);HDBaseT can extend to 100 meters; HDMI extenders that are based on dual Category 5/Category 6 cable can extend HDMI to 250 meters (820 feet); while HDMI extenders based on optical fiber can extend HDMI to 300 meters (980 feet).

The HDMI specification is not an open standard; manufacturers need to be licensed by HDMI LA in order to implement HDMI in any product or component. Companies that are licensed by HDMI LA are known as HDMI Adopters.

While earlier versions of HDMI specs are available to the public for download, only adopters have access to the latest standards (HDMI 1.4b/2.1). Only adopters have access to the compliance test specification (CTS) that is used for compliance and certification. Compliance testing is required before any HDMI product can be legally sold.

The HDMI royalty is only payable on licensed products that will be sold on a stand-alone basis (i.e. that are not incorporated into another licensed product that is subject to an HDMI royalty). For example, if a cable or IC is sold to an adopter who then includes it in a television subject to a royalty, then the cable or IC maker would not pay a royalty, and the television manufacturer would pay the royalty on the final product. If the cable is sold directly to consumers, then the cable would be subject to a royalty.

HDMI devices are manufactured to adhere to various versions of the specification, in which each version is given a number or letter, such as 1.0, 1.2, or 1.4b.: p. III Each subsequent version of the specification uses the same kind of cable but increases the bandwidth or capabilities of what can be transmitted over the cable.: p. III A product listed as having an HDMI version does not necessarily mean that it has all features in that version,

HDMI 1.0 was released on December 9, 2002, and is a single-cable digital audio/video connector interface. The link architecture is based on DVI, using exactly the same video transmission format but sending audio and other auxiliary data during the blanking intervals of the video stream. HDMI 1.0 allows a maximum TMDS clock of 165MHz (4.95Gbit/s bandwidth per link), the same as DVI. It defines two connectors called Type A and Type B, with pinouts based on the Single-Link DVI-D and Dual-Link DVI-D connectors respectively, though the Type B connector was never used in any commercial products. HDMI 1.0 uses TMDS encoding for video transmission, giving it 3.96Gbit/s of video bandwidth (1920 × 1080 or 1920 × 1200 at 60Hz) and 8-channel LPCM/192 kHz/24-bit audio. HDMI 1.0 requires support for RGB video, with optional support for Y′CBCR 4:4:4 and 4:2:2 (mandatory if the device has support for Y′CBCR on other interfaces). Color depth of 10bpc (30bit/px) or 12bpc (36bit/px) is allowed when using 4:2:2 subsampling, but only 8bpc (24bit/px) color depth is permitted when using RGB or Y′CBCR 4:4:4. Only the Rec. 601 and Rec. 709 color spaces are supported. HDMI 1.0 allows only specific pre-defined video formats, including all the formats defined in EIA/CEA-861-B and some additional formats listed in the HDMI Specification itself. All HDMI sources/sinks must also be capable of sending/receiving native Single-Link DVI video and be fully compliant with the DVI Specification.

HDMI 1.2 was released on August 8, 2005, and added the option of One Bit Audio, used on Super Audio CDs, at up to 8 channels. To make HDMI more suitable for use on PC devices, version 1.2 also removed the requirement that only explicitly supported formats be used. It added the ability for manufacturers to create vendor-specific formats, allowing any arbitrary resolution and refresh rate rather than being limited to a pre-defined list of supported formats. In addition, it added explicit support for several new formats including 720p at 100 and 120 Hz and relaxed the pixel format support requirements so that sources with only native RGB output (PC sources) would not be required to support Y′CBCR output.: §6.2.3

HDMI 1.3 was released on June 22, 2006, and increased the maximum TMDS clock to 340MHz (10.2Gbit/s).Gbit/s (sufficient for 1920 × 1080 at 144Hz or 2560 × 1440 at 75Hz). It added support for 10bpc, 12bpc, and 16bpc color depth (30, 36, and 48bit/px), called deep color. It also added support for the xvYCC color space, in addition to the ITU-R BT.601 and BT.709 color spaces supported by previous versions, and added the ability to carry metadata defining color gamut boundaries. It also optionally allows output of Dolby TrueHD and DTS-HD Master Audio streams for external decoding by AV receivers.audio video sync) capability.MHz and Category 2 being tested up to 340 MHz.: §4.2.6 It also added the new HDMI Type C "Mini" connector for portable devices.: §4.1.1

HDMI 1.3a was released on November 10, 2006, and had cable and sink modifications for HDMI Type C, source termination recommendations, and removed undershoot and maximum rise/fall time limits. It also changed CEC capacitance limits, and CEC commands for timer control were brought back in an altered form, with audio control commands added. It also added the optional ability to stream SACD in its bitstream DST format rather than uncompressed raw DSD.

HDMI 1.4 was released on June 5, 2009, and first came to market after Q2 of 2009.×2160 at 24Hz, 3840×2160 at 24, 25, and 30Hz, and added explicit support for 1920×1080 at 120Hz with CTA-861 timings.: §6.3.2 It also added an HDMI Ethernet Channel (HEC) that accommodates a 100 Mbit/s Ethernet connection between the two HDMI connected devices so they can share an Internet connection,Adobe RGB and Adobe YCC601, and an Automotive Connection System.stereoscopic 3D formats including field alternative (interlaced), frame packing (a full resolution top-bottom format), line alternative full, side-by-side half, side-by-side full, 2D + depth, and 2D + depth + graphics + graphics depth (WOWvx).

HDMI 1.4a was released on March 4, 2010, and added two mandatory 3D formats for broadcast content, which was deferred with HDMI 1.4 pending the direction of the 3D broadcast market.

HDMI 2.0 increases the maximum bandwidth to 18.0 Gbit/s.Rec. 2020 color space, up to 32 audio channels, up to 1536 kHz audio sample frequency, dual video streams to multiple users on the same screen, up to four audio streams, 4:2:0 chroma subsampling, 25 fps 3D formats, support for the 21:9 aspect ratio, dynamic synchronization of video and audio streams, the HE-AAC and DRA audio standards, improved 3D capability, and additional CEC functions.

HDMI 2.1 was officially announced by the HDMI Forum on January4, 2017,Hz and 8K 60Hz. HDMI 2.1 also introduces a new HDMI cable category called Ultra High Speed (referred to as 48G during development), which certifies cables at the new higher speeds that these formats require. Ultra High Speed HDMI cables are backwards compatible with older HDMI devices, and older cables are compatible with new HDMI 2.1 devices, though the full 48Gbit/s bandwidth is only supported with the new cables.

Note: While HDMI 2.1 did standardize transport of dynamic HDR metadata over HDMI, in actuality it only formalized dynamic metadata interfaces already utilized by Dolby Vision and HDR10+ in HDMI 2.0, which is why neither Dolby Vision nor HDR10+ require HDMI 2.1 to function properly.

Quick Frame Transport (QFT) reduces latency by bursting individual pictures across the HDMI link as fast as possible when the link"s hardware supports more bandwidth than the minimum amount needed for the resolution and frame rate of the content. With QFT, individual pictures arrive earlier and some hardware blocks can be fully powered off for longer periods of time between pictures to reduce heat generation and extend battery life.

Auto Low Latency Mode (ALLM) – When a display device supports the option to either optimize its pixel processing for best latency or best pixel processing, ALLM allows the current HDMI source device to automatically select, based on its better understanding of the nature of its own content, which mode the user would most likely prefer.

The increase in maximum bandwidth is achieved by increasing both the bitrate of the data channels and the number of channels. Previous HDMI versions use three data channels (each operating at up to 6.0Gbit/s in HDMI 2.0, or up to 3.4Gbit/s in HDMI 1.4), with an additional channel for the TMDS clock signal, which runs at a fraction of the data channel speed (one tenth the speed, or up to 340MHz, for signaling rates up to 3.4Gbit/s; one fortieth the speed, or up to 150MHz, for signaling rates between 3.4 and 6.0Gbit/s). HDMI 2.1 doubles the signaling rate of the data channels to 12Gbit/s. The structure of the data has been changed to use a new packet-based format with an embedded clock signal, which allows what was formerly the TMDS clock channel to be used as a fourth data channel instead, increasing the signaling rate across that channel to 12Gbit/s as well. These changes increase the aggregate bandwidth from 18.0Gbit/s (3 × 6.0Gbit/s) to 48.0Gbit/s (4 × 12.0Gbit/s), a 2.66× improvement in bandwidth. In addition, the data is transmitted more efficiently by using a 16b/18b encoding scheme, which uses a larger percentage of the bandwidth for data rather than DC balancing compared to the TMDS scheme used by previous versions (88.8% compared to 80%). This, in combination with the 2.66× bandwidth, raises the maximum data rate of HDMI 2.1 from 14.4Gbit/s to 42.6Gbit/s. Subtracting overhead for FEC, the usable data rate is approximately 42.0Gbit/s, around 2.92× the data rate of HDMI 2.0.

The 48Gbit/s bandwidth provided by HDMI 2.1 is enough for 8K resolution at approximately 50Hz, with 8bpc RGB or Y′CBCR 4:4:4 color. To achieve even higher formats, HDMI 2.1 can use Display Stream Compression with a compression ratio of up to 3∶1. Using DSC, formats up to 8K (7680 × 4320) 120Hz or 10K (10240 × 4320) 100Hz at 8bpc RGB/4:4:4 are possible. Using Y′CBCR with 4:2:2 or 4:2:0 chroma subsampling in combination with DSC can allow for even higher formats.

The "version" of a connection depends on the versions of the HDMI ports on the source and sink devices, not on the HDMI cable. The different categories of HDMI cable only affect the bandwidth (maximum resolution / refresh rate) of the connection. Other features such as audio, 3D, chroma subsampling, or variable refresh rate depend only on the versions of the ports, and are not affected by what type of HDMI cable is used. The only exception to this is Ethernet-over-HDMI, which requires an "HDMI with Ethernet" cable.

Products are not required to implement all features of a version to be considered compliant with that version, as most features are optional. For example, displays with HDMI 1.4 ports do not necessarily support the full 340 MHz TMDS clock allowed by HDMI 1.4; they are commonly limited to lower speeds such as 300 MHz (1080p 120 Hz) or even as low as 165 MHz (1080p 60 Hz) at the manufacturer"s discretion, but are still considered HDMI 1.4-compliant. Likewise, features like 10 bpc (30 bit/px) color depth may also not be supported, even if the HDMI version allows it and the display supports it over other interfaces such as DisplayPort.

Some of the transmitted bits are used for encoding purposes rather than representing data, so the rate at which video data can be transmitted across the HDMI interface is only a portion of the total bit rate.

The TMDS character rate is the number of 10-bit TMDS characters per second transmitted across one HDMI data channel. This is sometimes informally referred to as the pixel clock or TMDS clock because these terms were once equivalent in past HDMI versions.: §4.2.2

Although HDMI 1.4 does not officially allow 4:2:0 chroma subsampling, NVIDIA and AMD have added 4:2:0 support to their HDMI 1.4 graphics cards via driver updates

HDMI 1.0–1.2a permit 10bpc and 12bpc color depth only when Y′CBCR 4:2:2 color format is used. When using RGB or Y′CBCR 4:4:4, only 8bpc color is permitted.: §6.5

Display manufacturers may also use non-standard blanking intervals (a Vendor-Specific Timing Format as defined in the HDMI Specification: §6.1) rather than CVT-RB v2 to achieve even higher frequencies when bandwidth is a constraint. The refresh frequencies in the below table do not represent the absolute maximum limit of each interface, but rather an estimate based on a modern standardized timing formula. The minimum blanking intervals (and therefore the exact maximum frequency that can be achieved) will depend on the display and how many secondary data packets it requires, and therefore will differ from model to model.

165MHz was the maximum TMDS character rate allowed in version 1.2a of the HDMI Specification and earlier. In version 1.3, the maximum allowed speed was increased to 340MHz, and in version 2.0 it was increased to 600MHz. These are only the maximum speeds permitted by the specification; individual devices may be limited to any speed within the maximum allowed.

HDMI 1.0 and 1.1 are restricted to transmitting only certain video formats,: §6.1 defined in EIA/CEA-861-B and in the HDMI Specification itself.: §6.3 HDMI 1.2 and all later versions allow any arbitrary resolution and frame rate (within the bandwidth limit). Formats that are not supported by the HDMI Specification (i.e., no standardized timings defined) may be implemented as a vendor-specific format. Successive versions of the HDMI Specification continue to add support for additional formats (such as 4K resolutions), but the added support is to establish standardized timings to ensure interoperability between products, not to establish which formats are or aren"t permitted. Video formats do not require explicit support from the HDMI Specification in order to be transmitted and displayed.: §6.1

Individual products may have heavier limitations than those listed below, since HDMI devices are not required to support the maximum bandwidth of the HDMI version that they implement. Therefore, it is not guaranteed that a display will support the refresh rates listed in this table, even if the display has the required HDMI version.

The features defined in the HDMI Specification that an HDMI device may implement are listed below. For historical interest, the version of the HDMI Specification in which the feature was first added is also listed. All features of the HDMI Specification are optional; HDMI devices may implement any combination of these features.

Although the "HDMI version numbers" are commonly misused as a way of indicating that a device supports certain features, this notation has no official meaning and is considered improper by HDMI Licensing.

Even for a compressed audio codec that a given HDMI device cannot transport, the source device may be able to decode the audio codec and transmit the audio as uncompressed LPCM.

Even for a compressed audio codec that a given HDMI version cannot transport, the source device may be able to decode the audio codec and transmit the audio as uncompressed LPCM.

VESA-developed video compression algorithm designed to enable increased display resolutions and frame rates over existing physical interfaces, and make devices smaller and lighter, with longer battery life.

Blu-ray Disc and HD DVD, introduced in 2006, offer high-fidelity audio features that require HDMI for best results. HDMI 1.3 can transport Dolby Digital Plus, Dolby TrueHD, and DTS-HD Master Audio bitstreams in compressed form.: §7 This capability allows for an AV receiver with the necessary decoder to decode the compressed audio stream. The Blu-ray specification does not include video encoded with either deep color or xvYCC; thus, HDMI 1.0 can transfer Blu-ray discs at full video quality.

The Blu-ray Disc Association (BDA) spokespersons have stated (Sept. 2014 at IFA show in Berlin, Germany) that the Blu-ray, Ultra HD players, and 4K discs are expected to be available starting in the second half to 2015. It is anticipated that such Blu-ray UHD players will be required to include a HDMI 2.0 output that supports HDCP 2.2.

Blu-ray permits secondary audio decoding, whereby the disc content can tell the player to mix multiple audio sources together before final output.codecs internally and can output LPCM audio over HDMI. Multichannel LPCM can be transported over an HDMI connection, and as long as the AV receiver implements multichannel LPCM audio over HDMI and implements HDCP, the audio reproduction is equal in resolution to HDMI 1.3 bitstream output. Some low-cost AV receivers, such as the Onkyo TX-SR506, do not allow audio processing over HDMI and are labelled as "HDMI pass through" devices.

although cameras capable of HD video often include an HDMI interface for playback or even live preview, the image processor and the video processor of cameras usable for uncompressed video must be able to deliver the full image resolution at the specified frame rate in real time without any missing frames causing jitter. Therefore, usable uncompressed video out of HDMI is often called "clean HDMI".

Personal computer (PCs) with a DVI interface are capable of video output to an HDMI-enabled monitor.: appx. C Some PCs include an HDMI interface and may also be capable of HDMI audio output, depending on specific hardware.945G and NVIDIA"s GeForce 8200/8300 motherboard chipsets are capable of 8-channel LPCM output over HDMI.ATI Radeon HD 4000 series.Linux can drive 8-channel LPCM audio over HDMI if the video card has the necessary hardware and implements the Advanced Linux Sound Architecture (ALSA).

Even with an HDMI output, a computer may not be able to produce signals that implement HDCP, Microsoft"s Protected Video Path, or Microsoft"s Protected Audio Path.DTS-HD MA) was output.

The Asus Xonar HDAV1.3 became the first HDMI sound card that implemented the Protected Audio Path and could both bitstream and decode lossless audio (Dolby TrueHD and DTS-HD MA), although bitstreaming is only available if using the ArcSoft TotalMedia Theatre software.

Legacy interfaces such as VGA, DVI and LVDS have not kept pace, and newer standards such as DisplayPort and HDMI clearly provide the best connectivity options moving forward. In our opinion, DisplayPort 1.2 is the future interface for PC monitors, along with HDMI 1.4a for TV connectivity.

In September 2009, AMD announced the ATI Radeon HD 5000 series video cards, which have HDMI 1.3 output (deep color, xvYCC wide gamut capability and high bit rate audio), 8-channel LPCM over HDMI, and an integrated HD audio controller with a Protected Audio Path that allows bitstream output over HDMI for AAC, Dolby AC-3, Dolby TrueHD and DTS-HD Master Audio formats.Radeon HD 6000 Series implements HDMI 1.4a. The AMD Radeon HD 7000 Series implements HDMI 1.4b.

In December 2010, it was announced that several computer vendors and display makers including Intel, AMD, Dell, Lenovo, Samsung, and LG would stop using LVDS (actually, FPD-Link) from 2013 and legacy DVI and VGA connectors from 2015, replacing them with DisplayPort and HDMI.

On September 18, 2014, Nvidia launched GeForce GTX 980 and GTX 970 (with GM204 chip) with HDMI 2.0 support. On January 22, 2015, GeForce GTX 960 (with GM206 chip) launched with HDMI 2.0 support. On March 17, 2015, GeForce GTX TITAN X (GM200) launched with HDMI 2.0 support. On June 1, 2015, GeForce GTX 980 Ti (with GM200 chip) launched with HDMI 2.0 support. On August 20, 2015, GeForce GTX 950 (with GM206 chip) launched with HDMI 2.0 support.

On September 1, 2020, Nvidia launched the GeForce RTX 30 series, the world"s first discrete graphics cards with support for the full 48Gbit/s bandwidth with Display Stream Compression 1.2 of HDMI 2.1.

Some tablet computers implement HDMI using Micro-HDMI (Type D) port , while others like the Eee Pad Transformer implement the standard using mini-HDMI (type C) ports. All iPad models have a special A/V adapter that converts Apple"s Lightning (connector) to a standard HDMI (Type A) port. Samsung has a similar proprietary thirty-pin port for their Galaxy Tab 10.1 that could adapt to HDMI as well as USB drives. The Dell Streak 5 smartphone/tablet hybrid is capable of outputting over HDMI. While the Streak uses a PDMI port, a separate cradle adds HDMI compatibility. Some tablets running Android OS provide HDMI output using a mini-HDMI (type C) port. Most new laptops and desktops now have built in HDMI as well.

HDMI can only be used with older analog-only devices (using connections such as SCART, VGA, RCA, etc.) by means of a digital-to-analog converter or AV receiver, as the interface does not carry any analog signals (unlike DVI, where devices with DVI-I ports accept or provide either digital or analog signals). Cables are available that contain the necessary electronics, but it is important to distinguish these active converter cables from passive HDMI to VGA cables (which are typically cheaper as they don"t include any electronics). The passive cables are only useful if a user has a device that is generating or expecting HDMI signals on a VGA connector, or VGA signals on an HDMI connector; this is a non-standard feature, not implemented by most devices.

The HDMI Alternate Mode for USB-C allows HDMI-enabled sources with a USB-C connector to directly connect to standard HDMI display devices, without requiring an adapter.HDMI 1.4b features such as video resolutions up to Ultra HD 30 Hz and CEC.DisplayPort Alternate Mode could be used to connect to HDMI displays from USB Type-C sources, but where in that case, active adapters were required to convert from DisplayPort to HDMI, HDMI Alternate Mode connects to the display natively.

The Alternate Mode reconfigures the four SuperSpeed differential pairs present in USB-C to carry the three HDMI TMDS channels and the clock signal. The two Sideband Use pins (SBU1 and SBU2) are used to carry the HDMI Ethernet and Audio Return Channel and the Hot Plug Detect functionality (HEAC+/Utility pin and HEAC−/HPD pin). As there are not enough reconfigurable pins remaining in USB-C to accommodate the DDC clock (SCL), DDC data (SDA), and CEC – these three signals are bridged between the HDMI source and sink via the USB Power Delivery 2.0 (USB-PD) protocol, and are carried over the USB-C Configuration Channel (CC) wire.

As of January 2023 stated at CES, HDMI Alternate Mode for USB Type-C is no longer being updatedDisplayPort Alternate Mode is the primary video protocol of choice over USB-C.

The DisplayPort audio/video interface was introduced in May 2006. In recent years, DisplayPort connectors have become a common feature of premiumcompanies producing DisplayPort equipment are in the computer sector. The DisplayPort website states that DisplayPort is expected to complement HDMI,Variable Refresh Rate).

DisplayPort uses a self-clocking, micro-packet-based protocol that allows for a variable number of differential LVDS lanes as well as flexible allocation of bandwidth between audio and video, and allows encapsulating multi-channel compressed audio formats in the audio stream.FreeSync), and Dual-mode LVDS/TMDS transmitters compatible with HDMI 1.2 or 1.4.Gbit/s with the new HBR3 mode featuring 8.1Gbit/s per lane; it requires Dual-mode with mandatory HDMI 2.0 compatibility and HDCP 2.2.BT.2020 color space, and HDR10 extensions from CTA-861.3, including static and dynamic metadata.

The DisplayPort connector is compatible with HDMI and can transmit single-link DVI and HDMI 1.2/1.4/2.0 signals using attached passive adapters or adapter cables.DisplayPort Dual-mode ports and cables/adapters are typically marked with the DisplayPort++ logo. Thunderbolt ports with mDP connector also supports Dual-mode passive HDMI adapters/cables. Conversion to dual-link DVI and component video (VGA/YPbPr) requires active powered adapters.

The USB 3.1 Type-C connector is an emerging standard that replaces legacy video connectors such as mDP, Thunderbolt, HDMI, and VGA in mobile devices. USB-C connectors can transmit DisplayPort video to docks and displays using standard USB Type-C cables or Type-C to DisplayPort cables and adapters; USB-C also supports HDMI adapters that actively convert from DisplayPort to HDMI 1.4 or 2.0. DisplayPort Alternate Mode for USB Type-C specification was published in 2015. USB Type-C chipsets are not required to include Dual-mode transmitters and only support DisplayPort LVDS protocol, so passive DP-HDMI adapters do not work with Type-C sources.

DisplayPort has a royalty rate of US$0.20 per unit (from patents licensed by MPEG LA), while HDMI has an annual fee of US$10,000 and a per unit royalty rate of between $0.04 and $0.15.

HDMI has a few advantages over DisplayPort, such as ability to carry Consumer Electronics Control (CEC) signals, and electrical compatibility with DVI (though practically limited to single-link DVI rates).active cable solutions and fiber optic cable extender solutions can be used to extend effective DisplayPort distances.

Mobile High-Definition Link (MHL) is an adaptation of HDMI intended to connect mobile devices such as smartphones and tablets to high-definition televisions (HDTVs) and displays.DVI, which is compatible with HDMI using only passive cables and adapters, MHL requires that the HDMI socket be MHL-enabled, otherwise an active adapter (or dongle) is required to convert the signal to HDMI. MHL is developed by a consortium of five consumer electronics manufacturers, several of which are also behind HDMI.

MHL pares down the three TMDS channels in a standard HDMI connection to a single one running over any connector that provides at least five pins.micro-USB – be used, avoiding the need for additional dedicated video output sockets.

In addition to the features in common with HDMI (such as HDCP encrypted uncompressed high-definition video and eight-channel surround sound), MHL also adds the provision of power charging for the mobile device while in use, and also enables the TV remote to control it. Although support for these additional features requires connection to an MHL-enabled HDMI port, power charging can also be provided when using active MHL to HDMI adapters (connected to standard HDMI ports), provided there is a separate power connection to the adapter.

Version 1.0 supported 720p/1080i 60 Hz (RGB/4:4:4 pixel encoding) with a bandwidth of 2.25 Gbit/s. Versions 1.3 and 2.0 added support for 1080p 60 Hz (Y′CBCR 4:2:2) with a bandwidth of 3 Gbit/s in PackedPixel mode.Ultra HD (3840 × 2160) 30 Hz video, and also changed from being frame-based, like HDMI, to packet-based.

The fourth version, superMHL, increased bandwidth by operating over multiple TMDS differential pairs (up to a total of six) allowing a maximum of 36 Gbit/s.USB-C Alternate Mode (only a single lane is supported over micro-USB/HDMI). Display Stream Compression (DSC) is used to allow up to 8K Ultra HD (7680 × 4320) 120 Hz HDR video, and to support Ultra HD 60 Hz video over a single lane.

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Dolby Podcast Episode 60 – March 26, 2009 – Part one of a two-part discussion with Steve Venuti, President, and Jeff Park, Technology Evangelist, of HDMI Licensing.

Dolby Podcast Episode 62 – April 23, 2009 – Part two of a two-part discussion with Steve Venuti, President, and Jeff Park, Technology Evangelist, of HDMI Licensing.

I designed this simple case to house a generic 7" HDMI Touchscreen (some links below) that I"m using for Klipperscreen. It attaches to any horizontal aluminium profile (or two appropriately spaced vertical profiles) with a couple of M4 screws & T-Nuts. It can be printed without support. I opted for 3 walls, 4 top/bottom layers and 15% infill. I printed it face down on a glass bed for a nice smooth finish.

The screen screws into the case using the four M3 screws provided, cutting their own thread into the plastic. The holes may need a bit of cleaning/tweaking. Also. once the screen is in, it was really fiddly for me to tighten the two screws to mount it to the 3D printer. In hindsight, it would have been better to design it so that the screen slots into a recess at the top of the case and then just uses the bottom two screws to hold it in place. if I"d have done it like that then the case could be mounted to the printer before slotting the display into the case and securing it with the easily accessible bottom two screws. I may redesign it at some point. I have included the Fusion 360 and STEP file if you want to do it yourself.

The resolution and refresh rate supported for the external display depends on how many displays are connected and whether the display on your Surface is on or off. It also depends on which processor you have.

When connecting through Surface Dock there’s a maximum screen refresh or resolution possible, even if some Surface model capabilities exceed this. The following table specifies the max refresh rate and screen resolution for Surface devices that are using either one or two external displays.

When you use two external displays, you may be able to achieve a higher refresh or screen resolution on one display by lowering the refresh or screen resolution used on the other.

In order to meet the increasing need of compact HDMI displays, especially for some popular single-board computers like the Raspberry Pi, the UCTRONICS team now releases a 7-inch HDMI LCD display with capacitive multi-touch touchscreen.

This product supports Windows 10/8.1/8/7 OS.：1. Connect the TOUCH interface of LCD to the USB interface of PC . Waiting for a moment, The touch will be recognized by Windows automatically2. If you use HDMI, you need to connect the HDMI interface of LCD to the HDMI port of PC. About 5s later, you can see that the LCD display properly. If you need the audio, if you insert a 3.5mm earphones to HP ports.3. Use VGA,you need to connect the VGA interface of LCD to PC"s VGA ports byMini HDMI to VGA CableNote:1) If multi screen are connected to one PC at the same time, you can only control the cursor by this LCD, so please set the LCD as main screen.2) Some of PC cannot support HDMI screen Hot Plug . In this case, restart the PC can solve.3) Sometimes LCD will flicker because of undersupply from USB cable of PC. You need to connect an external power supply (5V/2A) to DC port.4) HP audio output only works while using HDMI communication5) Mini HDMI to VGA Cable is necessary and need to be purchased separately if you use VGA communication.

Some users want to connect more than one display to their PC. Here we talk about how to setting the touch to make the touchscreen to control its screen separately.Connect touchscreen to PC. Here we use an standard PC monitor and connect an 7inch HDMI LCD (C) for example. We make the monitor as main screen and the touchscreen as secondary screen.

If we want the touch of the touchscreen to control the desktop of the touchscreen itself. Just press Enter key to pass the first screen. And the second screen, when you find that the black text is displayed on the touchscreen, just touch the center of the touchscreen to finish this setting.After this setting, the touch on the screen will just control this touchscreen even thought it is not the main screen.

1 If the first screen and the second screen are touchscreen as well, you can touch them when the text is displayed on the screens. Then you can find that all the touchscreen can work.

When working with Raspberry Pi, you should set the resolution of the LCD by yourself, or else the LCD screen will not work. For more detail information, please read the following section.

With the operation above. The screen could rotate in display. However, the touch works improperly. To rotate the touch as display, you could do as below:

To work with Jetson Nano Developer Kit, you just need to connect the LCD and power onConnect the Touch interface of the LCD to USB port of Jetson Nano

Connect the USB Touch interface on the LCD to the USB interface on the BeagleBone board with a type-A-to-micro USB cable. (BeagleBone has two USB interfaces, one for host and the other for client. In here, you should connect the LCD module to the USB host interface).

Before powering up the Banana Pi, you should connect it to a LCD displayer properly, since the Banana Pi may read the resolution parameters of the LCD displayer on startup. And the connection should be remained till the Banana Pi enters the desktop. In this case, even if you disconnect the LCD displayer and reconnect it again to the Banana Pi, the LCD can still work properly.

Program the image file 7inch HDMI LCD (H)Lubuntu Imagewith password u00b to the board. This image file supports the modules BananaPi Pro and BananaPi. User name: bananapi Password: bananapi