Hdmi。 What is HDMI (High Definition Multimedia Interface)?

HDMI

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. One single cable carries ultra-high-definition video, as well as high-resolution audio, which greatly simplifies system setup. 6 It is intended for portable devices. Other than improved audio and video capacity, performance, resolution and color spaces, newer versions have optional advanced features such as , data connection, and CEC Consumer Electronics Control extensions. The ATI Radeon HD 5870 released in September 2009 is the first video card that allows bitstream output over HDMI for Dolby TrueHD and DTS-HD Master Audio. MegaChips Technology America Corp. The General Control Packet carries information on AVMUTE which mutes the audio during changes that may cause audio noise and which sends the bit depth of the current video stream and is required for. Higher-quality can reach 12 to 15 meters. Features specific to HDMI, such as remote-control and audio transport, are not available in devices that use legacy DVI-D signalling. Legacy compatibility [ ] HDMI can only be used with older analog-only devices using connections such as , , RCA, etc. In December 2016 additional support for HDR Video transport was added to HDMI 2. Each individual cable package will display the Premium HDMI Cable Certification Label. The increase in maximum bandwidth is achieved by increasing both the bitrate of the data channels and the number of channels. 3 can support 30-, 36- and 48-bit color options known as deep color, but many media players and recorded video materials don't go beyond 16-bit color. It also added support for the color space, in addition to the Rec. pdf• A further complication is that there is a small amount of display equipment, such as some high-end home theater projectors, designed with HDMI inputs but not HDCP-compliant. CEC also allows for individual CEC-enabled devices to command and control each other without user intervention. HDMI Forum 83 companies• V The maximum pixel clock rate for HDMI 1. Main article: 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. Total transmission bit rate is equal to the number of data channels multiplied by the bit rate per channel binary digits transmitted per second. It is electrically compatible with , but has not yet been used in any products. Japan Aviation Electronics Industry, Ltd. Archived from PDF on January 6, 2016. Information about the geographic location of the device when it accesses a website or mobile application. That requires every length of every model line to be tested• Devices called HDCP strippers can remove the HDCP information from the video signal so the video can play on non-HDCP-compliant displays, though a and form must usually be signed with a registering agency before use. This is sometimes informally referred to as the pixel clock or TMDS clock because these terms were once equivalent in past HDMI versions. On September 18, 2014, Nvidia launched GeForce GTX 980 and GTX 970 with GM204 chip with HDMI 2. Archived from on February 22, 2008. Maximum supported format is at 120 Hz• Archived from PDF on August 11, 2017. Adopters have IP rights• The encoding step helps protect signal quality by reducing the number of chances for the signal to degrade. , no standardized timings defined may be implemented as a vendor-specific format. 8 The DDC channel is actively used for HDCP. This also prevents closed captions when transmission over HDMI is required for upconversion. 4 was released on June 5, 2009, and first came to market after Q2 of 2009. DeBoer, Clint. Digital cameras and camcorders [ ] As of 2012 , most consumer camcorders, as well as many digital cameras, are equipped with a mini-HDMI connector type C connector. 25 MHz which would include resolutions such as 720p60 and 1080i60 , and Category 2-certified cables, which have been tested at 340 MHz which would include resolutions such as 1080p60 and 4K30. Trust the cable with the label Certification assurance makes sure cables are authentic and certified throughout the supply chain. With the right setup, HDMI can make a significant difference in a home-theater system. 1 was released on May 20, 2004, and added support for. Specifications [ ] The HDMI specification defines the protocols, signals, electrical interfaces and mechanical requirements of the standard. If the cable is sold directly to consumers, then the cable would be subject to a royalty. 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. They can run from one foot up to 50 feet, though it's not recommended that users buy more than a 25 foot cable as it may result in signal degradation or loss. The first Authorized Testing Center ATC , which tests HDMI products, was opened by on June 23, 2003, in California, United States. The day also marked the 10th anniversary of the release of the first HDMI specification. Premium High Speed HDMI Cable• 0b initially supported the same HDR10 standard as HDMI 2. 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. In our opinion, DisplayPort 1. On March 17, 2015, GeForce GTX TITAN X GM200 launched with HDMI 2. Since the bandwidth allotments of previous standards are generally enough for most high-definition applications, your picture should still have a pretty good quality. 0b in the recently released CTA-861-G specification, which extends the static metadata signaling to include HLG. This is particularly true when transmitting 1080p signals -- the increased demands on bandwidth speeds up the deterioration of the signal. 4 million in 2005, 63 million in 2006, and 143 million in 2007. In 2008, awarded a Technical Excellence Award in the Home Theater category for an "innovation that has changed the world" to the CEC portion of the HDMI specification. Korea Electric Terminal Co. It is important to note that not all computers and video cards have HDMI connectors; your computer may use , , or technology. Even with an HDMI output, a computer may not be able to produce signals that implement , Microsoft's Protected Video Path, or Microsoft's Protected Audio Path. The HDMI founders began development on HDMI 1. These features were added to the official HDMI specification slightly later, but with the introduction of HDMI 2. Intel created the original technology to make sure that digital content followed the guidelines set by the Digital Content Protection group. 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. 3 It is electrically compatible with. No signal conversion is necessary, nor is there a loss of video quality when a DVI-to-HDMI adapter is used. Component video cables use RCA connectors. These capabilities have changed significantly over several revisions to the standard, which we'll compare in the next section. 5 Refresh frequency limits for standard video [ ] HDMI 1. Parade Technologies• "HDMI: The Digital Display Link. 1 specification, a third category of cable was announced on January 4, 2017, called "48G". The DisplayPort connector is compatible with HDMI and can transmit single-link and HDMI 1. In September 2009, announced the video cards, which have HDMI 1. The cables themselves come in two categories. These Participants may be represented as brand names in the marketplace or supply manufacturers who go to market with their own brand names. The longest HDMI cable we have ever seen a compliance test certificate for is our own Series-1, which passed ATC testing at 45 feet under HDMI 1. CEA-861-F adds the ability to transmit several video formats and additional color spaces. Fortunately, there are amplifiers and extenders that can decode, re-set and re-encode the signal before sending it on the next leg of its journey. Products from Adopters are listed and marketed in the official HDMI product finder database• The TMDS character rate is the number of 10-bit TMDS characters per second transmitted across one HDMI data channel. HDMI is capable of transmitting standard, enhanced, and high-definition video signals, and up to 8-channels of digital audio signals. Adapters are generally bi-directional. The specific problem is: Lead is out-of-date, section reads likes a timeline Please help if you can. 3 Applications [ ] Blu-ray Disc and HD DVD players [ ] and , introduced in 2006, offer high-fidelity audio features that require HDMI for best results. HDMI also has the ability to protect data from piracy. It is anticipated that such Blu-ray UHD players will be required to include a HDMI 2. Digital Content Protection, LLC provides which was developed by for HDMI. The passive cables are only useful if you have 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. 0b Nov 2017 Signal specifications Max. The TMDS channels, the clock and the shields make up the bulk of the cable pairs inside the HDMI cable. 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. DisplayPort Alternate Mode for USB Type-C specification was published in 2015. CEC has been in the HDMI specification since version 1. CEC wiring is mandatory, although implementation of CEC in a product is optional. It uses this information to compensate for any loss of signal along the way. ExtremeTech Staff January 29, 2008. If an unauthorized device tries to intercept the data, the source device stops transmitting. The first ATC in China was opened by Silicon Image on November 21, 2005, in Shenzhen. On April 8, 2008 there were over 850 and PC companies that had adopted the HDMI specification HDMI adopters. It uses high-bandwidth digital copy protection HDCP to accomplish this. As there are not enough reconfigurable pins remaining in USB-C to accommodate the clock SCL , DDC data SDA , and CEC — these three signals are bridged between the HDMI source and sink via the USB-PD protocol, and are carried over the USB-C Configuration Channel CC wire. Most consumer cables are the faster category 2 variety. Archived from PDF on March 5, 2016. 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. "High-bandwidth Digital Content Protection System. 6 Category 1 HDMI cables are marketed as "Standard" and Category 2 HDMI cables as "High Speed". The Alternate Mode reconfigures the four SuperSpeed differential pairs present in USB-C to carry the three HDMI channels and the clock signal. One addition is CEC command, allowing for volume control of an AV receiver. C and some multimedia displays may accept HDMI including audio over a DVI input. The HDMI website contains a list of all the ATCs. Production of consumer HDMI products started in late 2003. Also, HDMI can sustain full bandwidth for up to 10 meters of cable length and there are certification programs to ensure this; [ ] DisplayPort cables, conversely, don't ensure full bandwidth beyond 3 meters, [ ] however some extend the distance to 15 meters at certain resolutions, and specialist optical extender solutions exists to extend distances even further by sending the signal over. This is twice as fast as the maximum refresh rate in the current standard. Created by a group of electronics manufacturers, the HDMI standard is a set of guidelines for creating high-bandwidth connections between digital devices. Ten companies were given a Technology and Engineering Emmy Award for their development of HDMI by the on January 7, 2009. Jean-Pierre Evain October 2007. 8 mm and a USB Type-A connector is 11. The Blu-ray Disc Association BDA spokespersons have stated Sept. 4, the HDMI Licensing LLC group which oversees the HDMI standard has banned the use of version numbers to identify cables. That requires each cable to be tested at an official HDMI Authorized Test Center• Evan Sun November 8, 2007. However, not until 2015 did most major manufacturers of AV receivers also support HDCP 2. Ultra High Speed HDMI Cable 48G Cable — 4K, 5K, 8K and 10K at 120 Hz Extenders [ ] 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. 4b is the last version of the standard that HDMI Licensing, LLC is responsible for. Adopters must license HDCP separately. 3, the maximum bandwidth of single-link HDMI exceeded that of dual-link DVI-D. 0, but only began appear in consumer electronics products with HDMI version 1. During the Video Data Period, the pixels of an active video line are transmitted. JCE• No signal conversion is required when an adapter or asymmetric cable is used, so there is no loss of video quality. Demke, Kurt. Video formats do not require explicit support from the HDMI Specification in order to be transmitted and displayed. The HDMI standard was not designed to pass data for example, to the television for decoding. 2 is used for video formats higher than 8K with 4:2:0 chroma subsampling• The current standard can carry 1080p high-definition signals, and it supports eight channels of uncompressed audio, enough for a 7. Secrets of Home Theater and High Fidelity. This is the only HDMI cable test program:• Participating HDMI Adopters can promote their ATC-tested High Speed HDMI Cables as Premium High Speed HDMI Cables or Premium High Speed HDMI Cables with Ethernet using a unique anti-counterfeiting authentication label on their products. Uncompressed LPCM audio, however, does not require a Protected Audio Path, and software programs such as PowerDVD and WinDVD can decode Dolby TrueHD and DTS-HD MA and output it as LPCM. 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. Elka• 1 It is a one-wire bidirectional bus that is based on the standard protocol to perform functions. the interface is commonly known as DVI-HDTV. It keeps the standard 19 pins of types A and C, but the pin assignment is different from both. Both use a grid of pins to transmit signals from the cable to the device. 2 and all later versions allow any arbitrary resolution and frame rate within the bandwidth limit. On August 20, 2015, GeForce GTX 950 with GM206 chip launched with HDMI 2. Digital Content Protection LLC. 1, these gaps are already leveled off with e. Video formats that require more bandwidth than 18. Adopters receive more exposure through combined marketing, such as the annual HDMI Developers Conference and technology seminars HDMI Fee Structure [ ] There are 2 annual fee structures associated with being an HDMI Adopter:• In the reverse case, a DVI-D monitor has the same level of basic interoperability unless content protection with HDCP interferes—or the HDMI color encoding is in component color space instead of , which is not possible in DVI. But signal transmission via HDTV does require an encoding step. All HDMI-compatible devices are required to support HDCP, but the companies that manufacture and distribute high-definition content aren't required to enable it. HDMI Ethernet and Audio Return Channel [ ] Introduced in HDMI 1. Like HDMI, MHL defines a Alternate Mode to support the MHL standard over USB-C connections. Playback of SACD may be possible for older HDMI versions if the source device such as the 970 converts to LPCM. The cable is backwards compatible with the earlier HDMI devices, using existing HDMI type A, C and D connectors, and includes HDMI Ethernet. We'll also examine whether the newest standard, HDMI 1. Standard HDMI Cable with Ethernet• Audio return channel ARC is a feature introduced in the HDMI 1. From the HDMI connector's pins, signals travel through twisted pairs of copper cable. DSC 1. It's easy to imagine a high-definition, digital signal traveling straight from an player to an HDTV. Information about the user's activity on that device, including web pages and mobile apps visited or used• On May 6, 2016, Nvidia launched the GeForce GTX 1080 GP104 GPU with HDMI 2. Companies who are licensed by HDMI LLC are known as HDMI Adopters. This lets existing connectors in mobile devices — such as — be used, avoiding the need for additional dedicated video output sockets. 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. For example, the first revision, HDMI 1. Adopters receive the right to use HDMI logos and TMs on their products and marketing materials• Only Adopters have access to the Compliance Test Specification CTS that is used for compliance and certification This is required before any HDMI product can be legally sold. All future versions of the HDMI Specification were produced by the HDMI Forum, created on October 25, 2011. However, many devices output HDMI over a DVI connector e. 0a was released on April 8, 2015, and added support for with static metadata. Even for a compressed audio 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. 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. III A product listed as having an HDMI version does not necessarily mean that it has all features in that version, since some HDMI features are optional, such as deep color and xvYCC which is branded by Sony as "x. All members of the HDMI Forum have equal voting rights, may participate in the Technical Working Group, and if elected can be on the Board of Directors. Adopters are listed on the HDMI website• 4 does not officially allow 4:2:0 chroma subsampling, NVIDIA and AMD have added 4:2:0 support to their HDMI 1. Without ARC, the audio output from the TV must be routed by another cable, typically TOSLink or coax, into the speaker system. Samsung February 24, 2006. Secrets of Home Theater and High Fidelity. 9 Although no maximum length for an HDMI cable is specified, signal dependent on the cable's construction quality and conducting materials limits usable lengths in practice and certification is difficult to achieve for lengths beyond 13 m. In the United States, this content-protection ability is mandated by the Federal Communications Commission FCC. The standard was released in September 2016, and supports all features such as video resolutions up to 30 Hz, and Consumer Electronic Control. That regularly audits cables for continuing test compliance throughout the life of the product• Archived from on April 26, 2009. HDTVs have an aspect ratio of 16:9, so the picture is rectangular. "CEA Mulls Spec for 1080p over Component Video. All you need to connect an HDMI cable to a DVI port is a passive adapter. 2 was released on August 8, 2005, and added the option of One Bit Audio, used on , at up to 8 channels. HDTV signals can also be progressive, meaning that the each frame of the moving image is a whole picture rather than half of one. DisplayPort uses a self-clocking, micro-packet-based protocol that allows for a variable number of differential lanes as well as flexible allocation of bandwidth between audio and video, and allows encapsulating multi-channel compressed audio formats in the audio stream. Cables are tested to ensure they support the full 18Gbps bandwidth from the HDMI 2. 0, referred to by some manufacturers as HDMI , was released on September 4, 2013. Ultra High Speed HDMI cables are backwards compatible with older HDMI devices, and older cables are compatible with new HDMI 2. 4 specification, the following cable types are defined for HDMI in general:• HFR for 4K, 8K, and 10K, which adds support for refresh rates up to 120 Hz• The lets a user connect the reversible connector with the HDMI source devices mobile, tablet, laptop. Long cables can cause instability of and blinking on the screen, due to the weakened signal that HDCP requires. 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. Other channels carry encryption data and electricity to power communication between devices. The following variable per-unit royalty is device-based and not dependent on number of ports, chips or connectors:• At the time, DVI-HDCP DVI with HDCP and DVI-HDTV DVI-HDCP using the CEA-861-B video standard were being used on HDTVs. Archived from PDF on May 12, 2011. 66x bandwidth, raises the maximum data rate of HDMI 2. 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. High Speed HDMI cables as defined in HDMI 1. Any DVI-to-HDMI adapter can function as an HDMI-to-DVI adapter and vice versa. The color spaces that can be used by HDMI are , and. All future development of the HDMI specification take place in the HDMI Forum and are built upon the HDMI 1. 0 increases the maximum bandwidth to 18. Brian Weatherhead November 2004. Digital Content Protection, LLC. Category 2 has a speeded of 340 MHz. Archived from PDF on April 19, 2009. Its resolution, or the number of dots that make up the picture on the screen, was about 704 x 480 pixels. "HDMI Interface: A Beginner's Guide. An HDMI source, such as a player, may require an HDCP-compliant display, and refuse to output HDCP-protected content to a non-compliant display. 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. Since then, there have been several changes to the HDMI standard. Information about other identifiers assigned to the device• That uses a proprietary 2-level commercial grade mobile scanning app available for Android and Apple and also in the top 10 China app stores Participants Participants in the Premium HDMI Cable Certification Program are HDMI Adopters who have signed up and qualified for the program. Most Chinese-made tablets running provide HDMI output using a mini-HDMI type C port. HDMI has the support of motion picture producers , , and , along with system operators , and. DisplayPort is a new high-definition standard that will cover connections inside devices, like within a laptop, and between devices, like from a media player to an HDTV. The most recent major revision -- the jump from version 1. References [ ]• 1,CEC-5 USB to CEC adapters exist that allow a computer to control CEC-enabled devices. Multichannel LPCM can be transported over an HDMI connection, and as long as the implements multichannel LPCM audio over HDMI and implements , the audio reproduction is equal in resolution to HDMI 1. For example, the increased bandwidth -- from 4. This, in combination with the 2. Standard Automotive HDMI Cable• 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. 3 specification can work as Category 2 cables, but only Category 2-tested cables are guaranteed to work for Category 2 purposes. Some older phones may use to achieve a similar result. Archived from on October 29, 2011. 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. Alen Koebel February 2003. 4b was released on October 11, 2011, containing only minor clarifications to the 1. can drive 8-channel LPCM audio over HDMI if the video card has the necessary hardware and implements the ALSA. 709 color spaces supported by previous versions, and added the ability to carry metadata defining color gamut boundaries. 6 It also added the new type C Mini connector for portable devices. 4 requires that 3D displays implement the frame packing 3D format at either 720p50 and 1080p24 or 720p60 and 1080p24. The receiving device, such as an , decodes the signal. 4 features except for the HDMI Ethernet Channel, which requires the new High Speed HDMI Cable with Ethernet defined in HDMI 1. 0 can transfer Blu-ray discs at full video quality. Archived from PDF on August 26, 2017. 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 color space at 8 bits per component. This means that HDTVs need more data and need it a lot faster than standard-definition TVs do. The Protected Video Path was enabled in graphic cards that had HDCP capability, since it was required for output of Blu-ray Disc and HD DVD video. 0 on April 16, 2002, with the goal of creating an AV connector that was backward-compatible with DVI. 5 meters about 16 feet can be manufactured easily. Retrieved March 7, 2017 — via Microprocessor. 42 mm but has the same 19-pin configuration. Samsung has a similar proprietary thirty-pin port for their that can adapt to HDMI as well as USB drives. HDMI implements the standards, which define video formats and waveforms, transport of compressed and uncompressed audio, auxiliary data, and implementations of the. Previously, the similar 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 DVI and HDMI connectors have some other similarities. 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. Next, we'll take a look at the HDMI connector and cable and explore how they carry high-definition signals. HDMI began to appear on in 2004 and and in 2006. 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. 1 It was defined in HDMI Specification 1. Quick Media Switching QMS for movies and video eliminates the delay that can result in blank screens before content begins to be displayed• Rodolfo La Maestra June 25, 2006. In other words, it creates a shared secret. Archived from PDF on October 9, 2009. 3 Several versions of HDMI have been developed and deployed since the initial release of the technology, but all use the same cable and connector. The picture is an example of an HDMI cable from Mediabridge. Archived from on November 7, 2011. III CEA-861 signals carried by HDMI are electrically compatible with the CEA-861 signals used by the DVI. See also [ ]• But HDMI is more than a port on the back of a and the often expensive cable that fits inside. Some Blu-ray and HD DVD players can decode all of the audio internally and can output audio over HDMI. 5 The type C Mini connector can be connected to a type A connector using a type A-to-type C cable. 4 with audio return channel HDMI 1. 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. Retaining the bandwidth of the previous version, HDMI 1. Although cameras capable of often include an HDMI interface for playback or even , the and the of cameras usable for uncompressed video must be able to deliver the full at the specified in without any missing frames causing jitter. Critics also claim that deep color allows HDTV screens to display colors that most people can't even perceive. 0 include support for the 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 and audio standards, improved 3D capability, and additional CEC functions. Paul Mcgoldgrick August 1, 2006. According to In-Stat, the number of HDMI devices sold was 5 million in 2004, 17. In-Stat has estimated that 394 million HDMI devices would sell in 2009 and that all digital televisions by the end of 2009 would have at least one HDMI input. A typical case is the running of an app on a smart TV such as Netflix, but reproduction of audio is handled by the other equipment. The royalty fee structure is the same for all volumes. To achieve even higher formats, HDMI 2. A relay connector is available for connecting standard consumer cables to the automotive type. HDCP is an authentication protocol. The USB port switches to MHL mode when it detects a compatible device is connected. Premium High Speed HDMI Cable with Ethernet In conjunction with the HDMI 2.。 。

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How HDMI Works

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HDMI

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What is HDMI (High Definition Multimedia Interface)?

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