Dolby TrueHD

Dolby® TrueHD is Dolby’s next-generation lossless technology developed for high-definition disc-based media. Dolby TrueHD delivers tantalizing sound that is bit-for-bit identical to the studio master, unlocking the true high-definition entertainment experience on next-generation discs. When coupled with high-definition video, Dolby TrueHD offers an unprecedented home theater experience that lets you enjoy sound as stunning as the high-definition picture.

Features
100 percent lossless coding technology.
Up to 18 Mbps bit rate.
Supports up to eight full-range channels of 24-bit/96 kHz audio.*
Supported by High-Definition Media Interface (HDMI™), the new single-cable digital connection for audio and video.
Supports extensive metadata including dialogue normalization and dynamic range control.
*Dolby TrueHD can support more than eight audio channels. HD DVD and Blu-ray Disc standards currently limit their maximum number of audio channels to eight.

Benefits
Delivers enthralling studio-master-quality sound that unlocks the true high-definition entertainment experience on next-generation discs.
Offers more discrete channels than ever before for impeccable surround sound.
Compatible with the A/V receivers and home-theaters-in-a-box (HTIBs) of today and tomorrow.
Dialogue normalization maintains the same volume level when you change to other Dolby Digital and Dolby TrueHD programming.
Dynamic range control (Night mode) enables you to customize audio playback to reduce peak volume levels (no loud surprises) while experiencing all the details in the soundtrack, enabling late-night viewing of high-energy surround sound without disturbing others.
Selected as the mandatory format for HD DVD and as an optional format for Blu-ray Disc.



http://www.dolby.com/consumer/technology/trueHD.html
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