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1、David Yao, Senior Sales Director, Silicon Image, Inc. Vincent Hsia, Senior FAE Manager, Silicon Image, Inc.Implementing New HDMI 1.3 FeaturesSpecification released in June 2006Developed to meet evolving needs of the high-definition marketplaceBandwidth more than doubled from 165 MHz (4.95 Gbps) to 3
2、40 MHz (10.2 Gbps) to support Higher Resolution, Faster Refresh, and Deep ColorExtended color gamut for more natural and realistic colorSupport for lossless digital audioNew HDMI 1.3 Features OverviewLip sync timing compensationMini connector for cameras and camcordersInitial Spec 1.32More Bandwidth
3、 510Gb/sDeep Color 2448 bitxvYCC Wider Color Gamut Dolby True HD DTS-HD Lip Sync Mini Connector35mm FilmEye3Human1 Mpixel10 Mpixel100 Mpixel1080p HDTVCinema Display 720p HDTV480p EDTVCompact Digital Still CameraDigital SLRCell Phone CameraDigital Cinema 4KVCRSensor/ RecorderDisplay0.1 MpixelHDMI HDM
4、I1.21.0 1.3Greater Bandwidth for Higher Resolution1440p/WQXGA Apple4Smoother Motion Motion blur often occurs in LCD displays with 60Hz refresh rates LCD refresh rates increasing to 120Hz Faster Response Time For Gamers, response time is the difference between life and death Faster refresh rate means
5、 faster response time means living to fight another day!Greater Bandwidth for Faster RefreshCodin rb5 Billions of colors Eliminates artifacts that appear as bands or contours Most noticeable in subtle gradations and tonal transitionsIncreases contrast ratios for sharper images &greater detail More a
6、ccurately represents original material Deeper color palette produces video more like original film Live events look more naturalSimplified example of tonal transitions with limited color paletteSimplified example of tonal transitions with extended color paletteCurrent world: limited to 24 bits/ pixe
7、l color 16 million colors Not good enough for todays displays Deep Color allows 24, 30, 36 and 48 bits/pixel color depth Simulated low-bit color depthSimulated high-bit color depthloangGreater Bandwidth for Deep Color6Takes full advantage of color rendering capabilities of modern digital displays vs
8、. older CRT technologyxvYCC Extended Color Gamut for Realistic and Natural ColorxvYCC is the next generation HD color space standard IEC 619966-2-4 vs. older ITU BT.709-5 A collaboration between major Consumer Electronics manufacturerssRGBxvYCC7Maximum Audio Performance HDMI 1.3 adds support for Dol
9、by TrueHD & DTS-HD Master Audio formats Approved audio formats for Blu-ray & HD-DVD Lossless audio formats offer digital surround sound with same fidelity as the sound stage and movie theaterLossless Audio for a True Digital Cinema Experience8Advanced video processing in todays HDTVs sometimes intro
10、duces a delay in video output relative to audio output Results in loss of “lip sync” Distracts from viewing experience HDMI 1.3 allows CE devices to automatically compensate for such timing differences Results in synchronized audio and video Much more enjoyable viewing experienceAutomatic Lip Sync T
11、iming Compensation9STBAVRScreenVideo ProcessorWithout Lip Sync Compensation1. Signal delivered to AVR2. AVR delivers audio to speakers and video to HDTV3. Speakers present audio while HDTV still processing video4. HDTV presents video out of sync with audioHDTV10STBAVRScreenVideo ProcessorWith Lip Sy
12、nc Compensation1. HDTV communicates video processing delay via HDMI 1.32. Signal delivered to AVR3.AVR delays audio to speakers to allow for video processing4. Video and audio presented in syncHDTV11Thinner, shorter, narrower Compatible with existing Type A connector Plug is slightly smaller but Cha
13、ssis receptacle is much smaller Requested by Camcorder and Digital Still Camera makersRegular and Mini ConnectorsType-C Mini-Connector5 meters10 metersCable Equalization Theory2) Receivers can compensate for that filter by applying an equal but opposite filter1) Cables are just a big filter2 meters3
14、) Different lengths change slope of attenuation receiver can target particular cable length1415Reference Cable EqualizerHDMI 1.3 measures Cat2 cable output after applying an ideal “Reference Cable Equalizer” This assumes that receivers will support such cable, so HDMI 1.3 measures receiver performan
15、ce against this same spec16Greater Bandwidth How? Source TerminationSerial transmission line basics Changes in impedance are bad Cause reflections back to the source of the signal Connectors frequently have impedance mismatches and cause some reflection High-impedance source will then bounce that re
16、flection back down the linebad signal quality17Potential ProblemHDMI CableSignal transmitted from driverPartial reflection back from connectorHigh-impedance source causes additional reflection18Source TerminationHDMI CablePartial reflection back from connector Signal transmitted from driverTerminated source swallows reflection19Source Termination Typical CableWithout source terminationWith source termination20Source Termination Worst-C
