Every new version of both the HDMI and DisplayPort standards typically introduce some minor new features, and higher resolution and bandwidth. VESA members also concluded subjective testing as a far more robust method to verify visually lossless quality rather than using objective metrics, such as, PSNR which typically designates one value for an image. Its worth trying! With link training/link quality monitoring as in data communications, DisplayPort provides a more robust and stable AV link. Enabling the most reliable outcomes, from start to finish, with a wide range of Barco services. It can carry both audio and video over a single connection. The most used HDMI-version,HDMI 2.0,features UHD resolution at 60 Hz and a bandwidth of 14.4 Gbps[1]. Meanwhile, HDMI 2.1 has been launched, supporting 4K at 120 Hz or 8K at 60 Hz, and offering 48 Gbps speeds. The main difference is that HDMI features an audio return channel (ARC). The lesser known Type B (29 pins) is used for dual-link applications, whereas Type E has a locking tab to keep the cable from vibrating loose in automotive applications. I personally would choose DisplayPort. I like to keep up with the ever-evolving world of gadgets, home entertainment, and personal technology. VESA has also completed and published VDC-M. VDC-M is a new display interface compression standard designed for embedded mobile display applications, including smart phones and other hand-held devices. DisplayPort 1.4, supporting 5120 x 2800 @60Hz at a bandwidth of 25.92 Gbps, is becoming increasingly popular. While there are USB-C to DisplayPort receptacle adapters on the market which enable the use of a standard DisplayPort cable (one with a DisplayPort plug on both ends), use of such adapter is not recommended because it may result in poor picture quality, intermittent operation, or no video display. There are two sizes available: the standard DisplayPort and a smaller alternative made by Apple called Mini DisplayPort. Cannot hear audio when connecting HP 8740w to Sony Bravia K46S4100 via displayport, Cant select which HDMI/DisplayPort monitor to output sound to. Another solution could be switching your default audio device back to your monitor. It also decreases the displays frame buffer size which further decreases cost. Also for DisplayPort, fiber cables can cover longer distances. It supports the same sample rate, sample size, and a number of audio channels as DisplayPort 1.4. That is an important caveat. This requirement will apply to DisplayPort-to-HDMI 2.0 converters as well (including USB Type-C to HDMI 2.0 converters that utilize DisplayPort Alt Mode). The evaluation included a statistically significant number of observers who viewed many images over four image categories including artificial engineered images, text and graphics, such as street maps or different examples of printed material, people, landscape, animals and stills. The dock can be implemented in a variety of form factors, including as a PC monitor. In terms of image quality, there is virtually no difference between HDMI and DP. Some PCs and monitors include HDMI to enable connectivity with HDTVs and other consumer electronics gear. The dock can also include a DisplayPort branch device to support one or more downstream display devices, including DisplayPort displays, or VGA, DVI, and HDMI displays by using a DisplayPort protocol converter. The new DisplayPort capabilities included in DisplayPort 2.0 have begun the cycle of hardware development that will result in such technology becoming available to consumers in a range of products over the next few years. Although not common, this standard is already used in some top-end models (e.g. I've been writing about the industry now for over 10 years - first as an editor of various magazines before branching out to work on my own blog. The USB Type-C to HDMI, DVI, and VGA converters need to be plugged into a video source device that has the USB Type-C connector. Another very important feature of DisplayPort, is that it can be daisy chained todrive multiple monitors at a time. More like San Francis-go (Ep. But HDMI will work fine for many years, it can handle high refresh rates too, so it really boils down to a matter of personal preference. Yes. Obviously, thats well beyond the capabilities of any hardware today, but it gives you an idea of how powerful it will be in the future. DisplayPort 2.0 represents the latest interconnect technology now available to consumers from manufacturers. Today Im going to clear up some concerns that people might have with the DisplayPort connector. Clipped from Wikipedia (buyer beware, but this type of technical information tends to be truthier). Which ones are the most future-proof? Without this overhead, the bandwidth would be 18Gbps. Thunderbolt is a combination of DisplayPort and PCIe and is the same formfactor as MiniDisplayPort. It doesn't make much sense to include a standard that supports 8K resolution on an HD display. HDMI doesnt have a locking mechanism. is the French certificate of renewal of CNI enough to prove my identity in Switzerland. The official name for this resolution is by the way UHD, but the term 4K is often used as well. DSC is used in the internal embedded display interface to both save system power, which extends battery life, and reduce the system form factors weight, and cost by decreasing the number of interconnect wires. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Overall, observers completed nearly 250,000 subjective image comparisons. The dock can include a USB 2.0 or USB 3.1 hub function to support one or more downstream USB devices, and in the case where the dock is also a PC monitor, can include a display and speaker that would utilize the transported DisplayPort data. Utilizing the new DisplayPort 1.4a Standard, future DisplayPort Alt Mode devices will support 8K video at 60Hz in 4:4:4 pixel format, and 120Hz in 4:2:0 format. DisplayPort enables high display performance, robustness, and versatility, highest degree of system integration, and greater interoperability among various device types. Dedicated graphics cards offer full support for audio-out over their often numerous DisplayPort outputs, but some laptop video outputs (for a second, or more, screens) may not allow it, so check with your device's specifications if you're unsure. Best Budget Projectors: Top Picks And Reviews DisplayPort provides several direct and indirect benefits to the user. HDMI Alt Mode compliance testing would also need to added, and the device OEM would likely need to be an HDMI Adopter and pay HDMI royalty. Yes. Just think about the video recorder standards war in the early 1980s between Video 2000, VHS and Betamax. watching Netflix on a smart-TV), but you dont want to listen to the sound using the TVs built-in speakers and prefer the surround sound system of the AV-receiver. It rather describes a performance specification from which the cable length can be derived. All of the features associated with DisplayPort 2.0 will be available for the DisplayPort Alt Mode. However, many tests show that higher resolutions are possible as well. The maximum bandwidth to be sent through a DP 1.2 cable is 17.28 Gbps. 65 Inch TV Dimensions: What You Need to Know Before Buying, 43 Inch TV Dimensions: Length and Height in cm and inches. The VESA DSC Standard 1.2a, including the codec C source code files, is available for free from VESA. Not at all. If you need to cover a distance of up to 15 meters, you are limited to 1080p resolution according to the specification. This is supported by a standard full-featured USB Type-C cable. Yes. No video data will be received by the display, so there will be no image on the screen. [1]: Considering the 8b/10 overhead to measure the effective data transmission rate. The DisplayPort 1.0 and 1.1 standards had a maximum sample rate of 192 kHz, a maximum sample size of 24 bits, and a maximum of eight audio channels. Those are a few things you can try if audio is not working with DisplayPort. Simply open the control panel on Windows, click on Hardware and Sound, click on Sound, and a list of audio devices should appear. USB Type-C connectors that support the DisplayPort over USB-C will normally include the DisplayPort (DP) logo near the connector. It can do it simultaneously, though it's not mandatory, and each form of data can be transmitted without the others if a user calls for it. Yes, it does. More recently, there was the battle between Blu-ray and HD DVD. If there are other audio devices connected to the system, such as dedicated speakers, or a virtual reality headset, you may find that the audio still doesn't come through your DisplayPort configuration. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. But what is apart from the clearly distinct connectors the difference between DisplayPort and HDMI? Cable Matters Inc. All rights reserved. These are large corporations that primarily target purely image driven applications. Adapters and Adapter cables, as defined in the DisplayPort Alt Mode for USB Type-C Standard, are available to connect DisplayPort over USB-C to DisplayPort, HDMI, DVI, and VGA monitor inputs. DisplayPort and HDMI are very different technically, and each began with a different product focus. supports HDCP content protection used It can do that and more. Yes. The USB Type-C connector is the next generation USB interface and it appears on devices such as Smart Phones, Tablets, PCs, Notebooks, Docking Stations, Displays, and Peripherals. I'm wondering if the spec permits for audio over DP, and if possible whether the Lenovo laptops I mentioned implement it. What is "Rosencrantz and Guildenstern" in _The Marvelous Mrs. Maisel_ season 3 episode 5. The DisplayPort website states that In the future, DSC will be used to further increase display resolution for external displays. Just choose it and set it as your default audio device and the sound should automatically come on the TV. Mini DisplayPort connectors can also be converted to full-size DisplayPort connectors, and DisplayPort audio transmission can even be leveraged over Thunderbolt 3, which incorporates the DisplayPort protocol into its technology. My MacBook Pro (Retina, 15-inch, Late 2013) does indeed supply sound over the Mini DisplayPort to DisplayPort cable to a BenQ 32-inch 4K monitor (model BL3201PH), much to my surprise. The new version of DisplayPort, 2.0, is said to be able to support 8K and higher resolutions at 60 Hz. Yes, DisplayPort supports multi-channel audio and many advanced audio features. DisplayPort vs HDMI: What is the difference. HDMI. If you want to learn more about DisplayPort technology, Cable Matters has a number of articles that dig into what refresh rates it supports, the main differences between DisplayPort versions, and more. To add HDMI Alt Mode support to a device that already support DisplayPort Alt Mode, we imagine that an alternate USB-C configuration switch / signal mux would be needed in order to support the TMDS clock and data signals that are used by the HDMI signal. Most PCs cant even output games at 4K at a stable 60 frames a second, so hardware still has some catching up to do. Products adopting HDMI Alt Mode will likely continue to support DisplayPort Alt Mode. VESA, the Video Electronics Standards Association, published a new Standard in 2014 that uses visually lossless image compression to increase the amount of data carried by a display interface data rate, saving power. Does the title of a master program make a difference for a later PhD? For LCD video walls, DP is the standard of choice in many cases, because it offers the possibility to drive multiple displays with one cable connection. I can do audio out on my MacBook Air when using a Thunderbolt-to-HDMI adapter. However, DisplayPort supports many adapters, to connect a large number of display standards, including a VGA, single-link DVI or HDMI. For longer distances, you can rely on a signal booster or an active cable which amplifies the signal. Devices that support DisplayPort Alt Mode may also have the DP logo next the connector, in addition to the USB logo. DisplayPort has most of the advanced audio features that you can find in HDMI. I also have Lenovo Thinkpad T410. in the HDMI standard. No, the USB IF (Implementers Forum) defines a hub as a product that only supports USB, and in particular does NOT support Alt Modes, including the DisplayPort Alt Mode. It only takes a minute to sign up. DisplayPort Audio Not Working: Ethical implications of using scraped e-mail addresses for survey. Why was Max Verstappen not required to start on his Q2 tyres in the Hungary GP? A. And since it can only be connected to an HDMI display, and not a USB-C enabled display, the display cannot include the dock functions supported by DisplayPort Alt Mode including charging power for the connected device, nor a SuperSpeed USB hub. AirPlay Not Working on LG TV: How to fix Todays most common version (for video wall displays), DisplayPort 1.2, supports video resolutions of up to 3840 x 2160 pixels, at a refresh rate of 60 Hz. How to Connect Soundbar to a TV without HDMI, Best Budget Projectors: Top Picks And Reviews. It looks like it can be used as a passive pass-through to HDMI with an adapter. DisplayPort to HDMI adapters also include the ability to support HDMI audio. converted to full-size DisplayPort connectors. DisplayPort, USB data, and USB Power Delivery can all be carried simultaneously through the same USB Type-C connector and cable. Improved user experience with augmented/virtual reality (AR/VR) displays, including support for 4K-and-beyond VR resolutions. 5+7-THREE = The captcha value you provided is incorrect. It can also support multiple displays from a single USB-C output, and can operate over a standard USB-C cable. Contrary to HDMI, DP cannot carry Ethernet signals, nor does it have an audio return signal. Yes, the DisplayPort spec is an audio/video interconnect spec. But Weve packed a lot of powerful technology in this small plug and know you might have some questions. HDMI 2.1 supports 8K at 30 Hz, 4K 120 Hz, and well over 240 Hz at 1080P. DisplayPort over USB-C enables the USB Type-C connector and cable to support the DisplayPort interface for audio/video (AV) transport capability. DisplayPort was originally developed as the next generation personal computer display interface and is now available on a wide range of tablets, notebooks, and desktop computers as well as monitors. What's up with HDMI and DisplayPort over USB C? This article contains incorrect information. If not, you will be paying more for something you cannot use. The possibility to drive multiple displays with one cable is for many professionals a must. Downstream DisplayPort displays can be supported using either native DisplayPort receptacles, or by using a USB-C connector supporting the DisplayPort Alt mode was well as power and USB data. HDMI supports an Audio Return Channel (ARC), making it possible to send sound from the display to the source which can be handy when using a smart-TV. DisplayPort delivers more high-performance features than any other digital interface. While there are many things that can cause this problem, Ill run through a handful of the most well-known issues. In some cases, Windows can automatically change the default audio device to a different one, and youll have to change it back. Only very rarely the display and the source are further than 2 meters apart in television and projector setups. Because DisplayPort uses common signaling technology in use for data communications and a packetized data structure, through a common connector, it can be combined with standards such as USB and Thunderbolt. Super User is a question and answer site for computer enthusiasts and power users. Luckily, its easy. What determines whether Schengen flights have passport control? connected to Dual-mode ports, and This site is protected by reCAPTCHA and the Google. Direct benefits include higher performance capability, the availability of display adapters for legacy display types, and the ability to connect multiple displays to a single video output. Developed in collaboration with the MIPI Alliance, VDC-M provides a higher level of compression ratio (up to 5:1) at the same visually lossless quality level as VESAs Display Stream Compression (DSC) standard (which offers up to 3:1 compression), with the trade-off of higher circuit complexity. If you want to use the highest refresh rate possible, I recommend using DisplayPort as the connector, HDMI is a good alternative too. Yes, DisplayPort 2.0 enables support for HDCP version 2.2. Odds are if you're using a laptop with a common video device like Intel or AMD, they implemented audio over the DisplayPort and you just need the drivers for it. Should your preferred language not be available, contents will be displayed in English. @Jim Huang: interesting. VESA has implemented a comprehensive certification program. Which ones can support higher refresh rates? In addition, the other sideband channels including DDC, and ARC, HEC and CEC, if supported, would need to managed. Cable Matters 48Gbps Ultra 8K HDMI Cable. Both HDMI and DisplayPort support up to 8 digital audio channels at up to 24 bit and 192 kHz. Now check your inbox and confirm your subscription! While both HDMI and DisplayPort have the same objective, they were in fact conceived under different constellations. Yes. Privacy Policy, This website uses cookies to ensure you get the best experience on our website. Your answer will be e-mailed to you! In this way, a single DisplayPort interface can drive up to 4 monitors at 1920x1200 resolution. Just like in standard DisplayPort connectors and cables, DisplayPort over USB-C can take advantage of the four high-speed data lanes in the USB Type-C connector and cable to provide 4K display resolutions and beyond. Vendor packaging and on-line information should indicate the DisplayPort features supported for each product. The Mini DisplayPort to HDMI adapter must also support audio. DisplayPort is definitely the connector to use in the near future. Products that support new DisplayPort features defined in DisplayPort 2.0 became available in 2020. It's an early 2010 15" MBPro and a late 2010 13" MBPro I have here. Yes, USB-C devices can support multiple Alt Modes; just like all USB-C devices that support the Thunderbolt 3 Alt Mode also support the DisplayPort Alt Mode. It is now also becoming available on digital televisions, including some 4K TVs, as a display input. Discovery of Alternate Mode support and enablement is performed through leveraging the use of the USB Power Delivery protocol. If you have a monitor or audio device that supports DisplayPort, it should be able to carry over the audio. rev2022.8.1.42699. The development of this Standard was done in collaboration with the USB 3.0 Promoters group, and VESA continues to collaborate with USB for the refinement of the specification and for compliance test development. DisplayPort does carry sound, its an audio and video connector similar to HDMI. Connect and share knowledge within a single location that is structured and easy to search. If you still find you can't hear anything over your DisplayPort audio, and youre starting to wonder, does DisplayPort carry audio, then it's also worth checking to see whether a driver update for your graphics card or chip, as well as your system's chipset, might fix the issue. A Thunderbolt connector on a Mac or PC can use the standard mini DisplayPort connector or the USB-C connector to support DisplayPort as well as Thunderbolt. Unfortunately, as is often the case with low-cost consumer appliances, not all high speed HDMI cables can actually deliver the proper quality. Is "wait" an exclamation in this context? DisplayPort, a newer standard originally developed to support the higher performance requirements of personal computers, is based on updated signal and protocol technology similar to that already used in todays computer systems, enabling an increase in performance and integration. It also supports all common 3D video formats. The initial application for DSC is portable, battery powered systems with an embedded display. It is in fact much more important to check the version than the standard (HDMI or DP) itself. For more information on DisplayPort 2.0, see DisplayPort 2.0 Standard FAQs. Specifically, I am looking at Lenovo Laptops T410 or T510. The USB Type-C connector is also reversible, which further simplifies the consumer experience. This information should be provided by the device documentation. By the way, in this article you can read why you can easily convert DisplayPort signals to HDMI using a passive adapter, but not the other way round. If the HDTV has a DisplayPort input, then a USB-C to DisplayPort adapter cable can be used to provide DisplayPort display capability. The most important thing is that the standard matches the needs of the display. The current VESA DSC Standard is version 1.2a, and it is likely that the VESA contributing members will make future optimizations and publish future updated versions that will be backward-compatible with version 1.2a. gaming monitors). Are there any battle speeches given by Elven commanders in Tolkien's legendarium? My Mid 2010 13" MacBook Pro does output audio from the Mini DisplayPort. During the development of DSC, the contributing VESA member companies performed ongoing visual tests to uncover visual compression artifacts using different image types and image motion. Samsungs Crystal UHD VS QLED : Which One is Better? Thunderbolt takes advantage of DisplayPort technology, and Thunderbolt Hosts (such as notebooks and personal computers) are backward-compatible with DisplayPort cables and DisplayPort monitors. The sort of hub product that also supports DisplayPort Alt Mode is not identified as a hub, but is instead identified as a dock, as explained in the above FAQ. Read on to find out. For 1440P at 144 Hz you will need DisplayPort 1.2 which was released in 2010. Other research has indicated that the DisplayPort to HDMI adapter must also support audio. DisplayPort 2.0 may leapfrog HDMI 2.1's capabilities in audio as it is set to do in the video, but that remains to be seen. Adapters and Adapter cables are used to connect DisplayPort over USB-C to an HDMI input on the HDTV. One advantage HDMI does have over DisplayPort with regards to audio is with its ARC and eARC technology. In addition to supporting HDMI display data, just like standard HDMI cables the HDMI Alt Mode will also support the HDMI Audio Return Channel (ARC), HDMI Ethernet Channel (HEC), and the Consumer Electronic Control (CEC) feature. Doing this will not harm your device. Is it possible to use a NAS to host videos? The DisplayPort over USB-C Standard was designed to accommodate such adapter cable. This means you can plug a DisplayPort monitor into a Thunderbolt computer output, using a standard DisplayPort cable. DisplayPort is the new generation AV interface developed by the GPU/display industry segment and it continues to gain market momentum. By being visually lossless, a typical observer of a display, under typical viewing conditions, would in most cases not notice any difference or degradation of images or video after compression, when compared with the uncompressed image or video. If you are interested in HDMI 2.1 instead, Cable Matters carries several cables that support these standards. [14] DisplayPort can emit HDMI With so many technical specifications and acronyms, our goal is simple-to help you understand all there is about tech without making it difficult or daunting. Is stationarity of data necesarry in order to do any statistics? A lot of talk has been focused around DisplayPort 2.0 lately but what is DisplayPort 1.4? Most people suggest using DisplayPort for high refresh rate monitors simply because it has a higher refresh rate. Samsungs Crystal UHD VS QLED : Which One is Better? Its the future standard and its available today. While the latest version of HDMI lags a bit behind the latest version of DisplayPort, the specs are still far out of the average consumers range. Although the DisplayPort specification does allow for audio transmission over a DisplayPort cable and connection, it isn't always implemented by device manufacturers. The captcha value you provided is incorrect. Math Proofs - why are they important and how are they useful? As I mentioned before, these cables are very similar in terms of specs but DisplayPort is in the lead. ARC is supported on HDMI 1.4 connections and supports stereo and compressed 5.1 channel audio, as well as lip-sync correction on some devices. Unlike VESA which is a non-profit association open to all companies, HDMI LLC is a private, for-profit company that generates revenue through the licensing and royalty collected from OEMs adopting HDMI in products. Copyright 2009-2022 HDMI (short for High-Definition Multimedia Interface) was introduced in 2003 by a consortium of (mainly) display manufacturers, including Sony, Philips, Panasonic, and Toshiba. Deciding between the two can be difficult because theyre neck and neck when it comes to specs and capabilities. In this article we try to give you some advice. DisplayPort can also easily handle 240 Hz. Most PC chips and GPUs that support the USB-C connector also include Display Alt Mode Support. DisplayPort is a video interface standard administered by VESA, the Video Electronics Standards Association. Announcing the Stacks Editor Beta release! After this driver update I'm able to see the TV/audio device listed under Control Panel->Sound (LG TV/Intel Display Audio), as well as under Device Manager as Intel Display Audio (in addition to my regular audio device). There is no need for special adapters like with DVI, everything is automatic and built-in. DisplayPort is better than HDMI when it comes to specs but you wont run into any limitations with HDMI anytime soon. DisplayPort 2.0 enables up to 3X increase in video bandwidth performance (max payload of 77.37 Gbps), Maximum link rate to up to 20 Gbps/lane and features more efficient 128b/132b channel coding, delivering a maximum payload of 77.37 Gbps, First standard to support 8K resolution (7680 x 4320) at 60 Hz refresh rate with full-color 4:4:4 resolution, including with 30 bits per pixel (bpp) for HDR-10 support. This allows an HDMI cable to pass audio from the TV or monitor to an external audio device. The USB Type-C to Type-C cable is reversible, and so is the USB Type-C to DisplayPort adapter cable. A standard, full-featured USB Type-C cable would be used in such configuration. DisplayPort and HDMI are the two most common video and audio transmission connectors for game consoles, PCs, Blu-ray players, and other devices that output media to external displays. Some displays already take advantage of the USB Type-C connector to enable the use of the reversible connector as well as carry USB data and power over the same cable. I'm a technology columnist and tech blogger, with a love for video games, gadgets, home entertainment and personal technology. This is described in the USB-IF Trademark License Agreement and Usage Guidelines document published by the USB IF and available here:http://www.usb.org/developers. As others have mentioned, it's up to the manufacturer to support/implement audio over DisplayPort. Which ones carry audio? Cables are available for both. The HDMI standard doesnt really define a maximum cable length. Yes, it is published by VESA and called the DisplayPort Alt Mode for USB Type-C Standard. DisplayPort is expected to complement Designed to replace older standards like DVI and VGA, DisplayPort opens up new possibilities in computing, digital displays and consumer electronics. The latter is the same port as Thunderbolt. And you can help other readers too . Bear in mind, the DisplayPort cable has a locking mechanism that prevents the cable from falling out of the display or device. The 19 pins HDMI-connectors are actually available in 5 shapes, but only 3 of them are commonly seen: the well-known Type A (standard HDMI, mainly used for TVs, projectors and laptops), Type C (mini HDMI, commonly found on tablets and some laptops), and Type D (micro HDMI, for tablets and smartphones). DisplayPort and HDMI are two distinct standards for transmitting video and audio from a player to a display. When it comes to specs, its very close to HDMI, and while HDMI is found in more devices, DisplayPort is catching up. Note that HDMI signals can also run over CAT 5 or CAT 6 cables (up to 50 meters), coaxial cable (up to 90 meters) or over fiber (more than 100 meters). As with overall bandwidth and support for higher resolutions and refresh rates, DisplayPort has tended to offer greater support for audio sample rates, but HDMI 2.1 changed that. http://en.wikipedia.org/wiki/DisplayPort#Compatibility_with_HDMI.2FDVI. The simple decoder (typically less than 100k gates) takes very little chip area, which minimizes implementation cost and device power use, and adds no more than one raster scan line (less than 8 usec in a 4K @ 60Hz system) to the displays throughput latency, an unnoticeable delay for interactive applications.