Spec 3.0 MRD Overview June 2015 Micha Risling, Marketing Chair
History of Specifications Spec 1.0 2010 Spec 2.0 2013 Spec 3.0 2016
3.0 Addressing the trend towards better resolution and high throughput, with 16G
Over the Years DP 1.3 (26G) HDMI 2.1 Higher Phy Rate? 3.0 (20G Fiber) DP 1.2 (17G) HDMI 2.1 54G w Compression? (16G Phy) HDMI 1.0 (4G) DP 1.0 (8.5G) HDMI 1.3 (8G) 1.0 (8G) HDMI 2.0 (16G) 2.0 (8G) 3.0 (16G Phy) 2002 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 Common TV Interface 720p/1080i (2G) 1080p (4G) 4k/30fps (8G) 4k/60fps (16G) 8k/30fps (32G)
Spec 3.0 Development Timeline Aggressive (tentative) cycle Development of use cases & technical requirement proposals MRD completed & ratified Start of 60 Days IPR Review Dec 14 Tech Proposals Jun 15 Kyoto Drafts, Reviews Sept 16 Feb 15 Oct 15 YE 16 Spec scope & tech requirements selected Tech solutions selected (first drafting) Spec Ratification
Market Requirements For Spec 3.0
Bandwidth Support 4K/60fps/4:4:4 Uncompressed Upgrade downstream link to 16Gbps Visually-lossless compression Enable operation over existing-inter-switch or limited 8Gbps downstream links Support 8K bandwidth (visually-lossless compression) Support 1Gb Ethernet over and USB 3.0 2Gbps upstream bandwidth
Multistreaming Enhanced multi stream operation Bandwidth management with visually-lossless compression Upgrade inter-switch connectivity 16G bidirectional symmetric link Upgrade standby mode bandwidth 25Mbps Support HDCP protected dynamic multicast over multi-stream HDCP2.2 for (HDCP2.2T)
And More Enhance audio support HDMI insertion and extraction Support USB 3.0 Support 1-lane operation HPnP-based device control
Spec 2.0 vs. Spec 3.0 Feature Spec 3.0 (Proposed) Spec 2.0 Maximum Video Format 4K/60fps/4:4:4 4K/30fps/4:4:4 4K/60fps/4:2:0 Up to 64G formats with compression: 8K/60fps/4:4:4 8K/120fps?4:2:0 Support 8 channels 192 Kbps 2 channels 192 Kbps Link Bandwidth (TX/RX) 16G/2G 2G/16G 8G/8G 16G/16G x2 8G/0.3G 0.3G/8G Ethernet over 1G 100M Standby Mode 25Mbps 4Mbps 1-Lane + - HPnP Control Session & Device Session USB USB 3.0 USB 2.0
Use Cases
4K Over 16G Link Use Case No. 1 Use Case: transmitting 4K/60fps/4:4:4/24bps with 1GbE, USB 3.0 and some other interfaces Requirement: an asymmetric 16Gbps/2Gbps link (16/2 link) 4K/60fps/4:4:4/24bpp 4K/60fps/4:4:4/24bpp, 1GbE, USB3.0 16G link 2G link 1GbE, USB3.0
4K Over 8G Link (with Lite Compression) Use Case No. 2 Use Case: transmitting 4K/60fps/4:4:4/24bps over 8G links and any switch Requirement: visually-lossless, lite compression (2:1) Lite Compression (2:1) Decompression 4K/60fps/4:4:4/24bpp 8G link 8G link Uncompressed Lite Compressed 4K/60fps/4:4:4/24bpp Lite Compressed 4K/60fps/4:4:4/24bpp Uncompressed
4K over 2-lane 8G link (with Lite Compression) Use Case No. 3 Use case: transmitting 4K/60fps/4:4:4/24bps over 2-lane 8G links Requirement: visually-lossless, lite compression (2:1) Lite Compression (2:1) Decompression 4K/60fps/4:4:4/24bpp 8G link (2-lane) 4K/60fps/4:4:4/24bpp (Lite Compression)
4K Over 1-Lane 4G Link (with Lite Compression) Use Case No. 4 Use case: transmitting 4K/60fps/4:4:4/24bps over 1-lane 4G links Requirement: visually-lossless, lite compression (4:1) Lite Compression (4:1) Decompression 4K/60fps/4:4:4/24bpp 4G link (1-lane) 4K/60fps/4:4:4/24bpp (Lite Compression)
8K (or any other high bit rate) Video Over 16G link Use Case No. 5 Use case: transmitting high bit rate video formats (such as 8K, 4K-high-FPS, 4K-deep-color) over 16G links Requirement: visually-lossless, lite compression (2:1, 3:1, 4:1) 8K 4K-high-FPS 4K-deep-color Lite Compression (4:1) Decompression 16G link 2G link 8K or 4K-high-FPS or 4K-deep-color (lite compression)
Multi-stream with Lite Compression Use Case No. 6 Use case: transmitting two 4K/60fps/4:4:4/24bps streams with 1GbE, USB 3.0 and some other interfaces, over 16G/2G link Requirement: visually-lossless, lite compression (2:1) is required to use a link of 16Gbps/2Gbps For higher bit rate formats OR higher number of streams, OR both, higher ratio lite compression is required (such as 3:1 and 4:1) 4K/60fps/4:4:4/24bpp 4K/60fps/4:4:4/24bpp 4K/60fps/4:4:4/24bpp 2x 4K/60fps/4:4:4/24bpp, 1GbE, USB3.0 16G link 2G link 1GbE, USB3.0 4K/60fps/4:4:4/24bpp Lite Compression (2:1) Decompression
Inter- (Symmetric) Use Case No. 7 Use Case: inter-switch connectivity Simultaneously transferring 8G from one switch to the other & vice versa Simultaneously transferring 16G from one switch to the other & vice versa Requirement: symmetrical link of 8Gbps over 100m or 16Gbps over reduced distances (~50m) ~50m 16G link 16G link 16Gbps 100m 8G link 8G link
Auto Asymmetric Ports Use Case No. 8 Use case: connecting either a sink or a source to an port Requirement: port should be automatically configured as either TX or RX, ie, to either 16G/2G or 2G/16G Port #X 16G/2G link 4K/60fps/4:4:4/24bpp, 1GbE, USB3.0 1GbE, USB3.0 4K/60fps/4:4:4/24bpp, 1GbE, USB3.0 1GbE, USB3.0 Port #X 2G/16G link
Extraction Use Case No. 9 Use Case: audio extraction from the TMDS stream, submitted as separate video and audio Requirement: audio extraction (part of the HDMI T-adaptor) Video + Extraction Video Video (i.e. Projector) (i.e. AV Receiver) Video + Video + Video Video + Extraction Video (i.e. Projector) (i.e. AV Receiver)
Insertion Use Case No. 10 (Video) () Use Case: audio insertion from an audio source, submitted as a combined video-audio TMDS Requirement: audio insertion (part of the HDMI T-Adaptor) Video Insertion Video + Video + Video + Video (Video) () Video Video Insertion Video +
Insertion & Extraction Use Case No. 11 (Video/) () (Video/) () Use Case: audio extraction and insertion from a audio source, submitted as a combined video-audio TMDS Requirement: audio insertion & extraction (part of the HDMI T-Adaptor) 2 Video 1 + 1 2 Video 1 + 1 Extraction & Insertion Video 1 + 2 Video 1 + 1 2 Extraction & Insertion Video 1 + 2 Video 1 + 2 Video + Video
Insertion/Extraction Network Example (Video) Video 1 Insertion Use Case No. 12 Insertion & Extraction Video + Video () (Video/) 1 Video 2 + 2 Insertion Video 1 + 3 (i.e. AV Receiver) (Video/) Video 3 + 3 Video 3 Extraction
Protected Dynamic Multicast Use Case No. 13 Use Case: dynamic multicast with HDCP protection. After a session is created between the source and sink #1 and video is transmitted, sink #2 joins and the video is duplicated; sink #1 can then leave the session; video is kept and continues Requirement: HDCP2.2T for (support of dynamic multicast) #1 #2 Same Video
1GbE Fallback Use Case No. 14 100/1000 Eth 100/1000 Eth Ethernet 100/1000 Eth 100/1000 Eth Ethernet 100/1000 Eth 100/1000 Eth Ethernet
Device Control Use Case No. 15 Use case: unified device management Requirement: definition of common device management rules Device Control
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