HDMI 1.3 Benefits:



Higher Speed - Increase its single-link bandwidth from 165MHz (4.95 gigabits per second) to 340 MHz (10.2 Gbps).


Deep Color (TM) - Supports 30-bit, 36-bit and 48-bit (RGB or YCbCr) color depths, up from the 24-bit depths in previous versions.


Broader Color Space - Next-generation "xvYCC" color space supports 1.8 times as many colors as existing HDTV signals.


Lip Sync - Incorporates an automatic video/audio syncing capability that allows devices to perform this synchronization automatically with total accuracy.


New Lossless Audio Formats - Supports high-bandwidth uncompressed digital audio and all currently-available compressed formats (Dolby Digital, DTS, Dolby TrueHD, and DTS-HD.)