文档介绍：David Yao, Senior Sales Director, Silicon Image, Inc.
Vincent Hsia, Senior FAE Manager, Silicon Image, Inc.
Implementing New
HDMI Features
Specification released in June 2006
Developed to meet evolving needs of the high-definition
marketplace
Bandwidth more than doubled from 165 MHz ( Gbps) to
340 MHz ( Gbps) to support Higher Resolution, Faster
Refresh, and Deep Color
Extended color gamut for more natural and realistic color
Support for lossless digital audio
New HDMI Features Overview
Lip sync pensation
Mini connector for cameras and camcorders
Initial
Spec
2
More
Bandwidth
5→10Gb/s
Deep Color
24→48 bit
Wider Color
Gamut
Dolby® True HD
DTS-HD
Lip Sync
Mini Connector
35mm
Film
Eye
3
Human
1 Mpixel
10 Mpixel
100 Mpixel
1080p
HDTV
Cinema
Display
720p
HDTV
480p
EDTV
Compact
Digital Still
Camera
Digital SLR
Cell Phone
Camera
Digital
Cinema 4K
VCR
Sensor/
Recorder
Display
Mpixel
HDMI
–
Greater Bandwidth for
Higher Resolution
1440p/WQXGA
Apple
4
Smoother 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 faster
response time means living to
fight another day!
Greater Bandwidth for
Faster Refresh
Co
din
rb
5
− Billions of colors
Eliminates artifacts that appear as bands or
contours
− Most noticeable in subtle gradations and tonal
transitions
Increases contrast ratios for sharper images &
greater detail
More accurately represents original material
− Deeper color palette produces video more like
original film
− Live events look more natural
Simplified example of tonal transitions with limited color palette
Simplified example of tonal transitions with extended color palette
Current world: limited to 24 bits/ pixel color
− 16 million colors
Not good enough for today’s display