HDMI 1.3. What you need to know
HDMI 1.0 -Single-cable digital audio/video connection with a maximum bitrate of 4.9 Gbit/s. Supports up to 165Mpixels/s video (1080p60 Hz or UXGA) and 8-channel/192 kHz/24-bit audio.
HDMI 1.1 - Added support for DVD audio
HDMI 1.2 -Added support for One Bit Audio, used on Super Audio CDs, up to 8 channels. Ability for PC sources to use native RGB color-space while retaining the option to support the YCbCr CE color space.
HDMI 1.3- Increases single-link bandwidth to 340 MHz (10.2 Gbit/s)
-Availability of a new mini connector for devices such as camcorders.
Do I need HDMI 1.3:
You will still get incredible HD picture quality with HDMI 1.1 and 1.2 and all versions support 1080P. HDMI 1.3 is backwards compatible with previous versions of HDMI. Getting HDMI 1.3 display and HDMI sources will enable you to take advantage of the extra feature enhancements available. If you are in the market for a new HDTV, then it would be advisable to get one with HDMI 1.3 support. However, you should look for the specific features that is supported.
HDMI 1.3 – what is different:
On the physical layer level, all HDMI versions utilize Transmission Minimized Differential Signaling, TMDS and the physical connector looks identical. The major enhancements of HDMI 1.3 are:
Expanded Data Rate Support
Although, HDMI 1.3 has provision for up to 10.2Gbps, the transition will be gradual with the first devices available to achieve 6.75Gbps initially.
Deeper Color and higher resolution
Lip Synch Correction
What is still the same
HDMI 1.3 is fully backwards compatible with previous versions of HDMI. So if your display supports 1.2 and your source is 1.3 capable. The source and display will arbitrate for the best available format. HDCP, although not required by HDMI 1.3, still enables HDCP to be implemented over the HDMI interface.
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