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Any Dolby Digital 5.1 music CD?
Posted by Jonas A [IP: 130.244.110.95] on August 19, 1999 at 19:27:28 In Reply to: Any Dolby Digital 5.1 music CD? posted by Nigel Pond [SysOp] on August 19, 1999 at 16:01:09 Yes, there are different specs, and new formats pop up now and then... But, your magical "flag" is really the normal formatting of data for Red Book CD:s, the only differens between a normal music CD (CD-DA) and a DTS CD is the contents in the PCM Datablocks, on the CD-DA they contain 16/44.1 PCM information, and on the DTS-CD they contain a DTS bitstream. The CD-player thinks that it's playing a normal CD-DA and passes what it think is PCM information out the digital output, only it isn't. It's DTS information. There is nothing in the Red Book standard that specifies what kind of contents is allowed on the CD, and the CD-player doesn't really bother either. As long as the formatting data complies with the Red Book standard the CD-player plays the information. If you drive the point to absurdity A DTS CD can be replayed on a usual CD-player using its internal D/A, period. The formatting is clearly Red Book compatible and being so it's a CD. Doing so, however, produces what most people would refer to as "A Terrible Noise", but one could argue that, for example, popmusic is a terrible noise too... :-)
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