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Appeared on: Tuesday, September 13, 2005
Dolby Laboratories Demos Dolby TrueHD Sound for Next-Generation DVD Formats

Dolby's lossless audio technology TrueHD is designed to complement the recent developments in high-definition optical disc formats.

The company demonstrated Dolby TrueHD along with Dolby Digital Plus at its CEDIA Expo. These two Dolby technologies are essential elements of next-generation high-definition entertainment, having been adopted for use in both the HD-DVD and Blu-ray Disc formats. Dolby TrueHD and Dolby Digital Plus technologies are mandatory audio codecs in the HD-DVD format as well as optional features in the Blu-ray Disc format.

Dolby TrueHD builds upon the foundation of MLP Lossless by incorporating higher bit rates, additional channels, enhanced stereo mix support, and extensive metadata functionality, including dynamic range control and dialogue normalization. Enabling recordings that are bit-for-bit identical to studio masters, MLP Lossless was first introduced in DVD-Audio. In addition, Dolby TrueHD provides support for all of the new speaker locations designated by the Society of Motion Picture and Television Engineers (SMPTE) for digital cinema applications (RP 226).

"When coupled with high-definition video, Dolby TrueHD offers an exceptional home theater experience that enables you to enjoy sound as stunning as the picture," said Ed Schummer, Senior Vice President and General Manager of the Consumer Division, Dolby Laboratories. "When a playback system displays the Dolby TrueHD logo, viewers are assured they are hearing the highest-quality audio performance possible -- as if they are hearing the studio master itself."


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