Tja, du har jo også Dolby Digital TrueHD, som filmer på HD-DVD har.
klipp og lim:
------------------------------------------------
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.
Next-Generation High Definition Disc Players are Compatible with Current A/V Receivers
Whether you own an older audio/video (A/V) system equipped with Dolby® Digital, or a newer A/V receiver equipped with an HDMI™ connection or external line-level multichannel inputs, you are assured of a compatible, high-quality playback path.
----------------------------------------------
Hentet fra
http://www.dolby.com/consumer/technology/trueHD.html