Home Video Asylum

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Re: Is 2 channel audio off of a movie same compression as dvd ????

I believe that the player typically constructs a two channel signal based off the Dolby Digital data using some kind of algorithm. This would be true whether you used the analog stereo outputs or instructed the player to output PCM out of the digital output. Some DVDs have 16 bit/48 kHz PCM soundtracks but not very many. BTW, the CD standard is 16 bits x 44.1 kHz x 2 channels = approximately 1.4 million bits/second.

My experience with using the analog outputs or having the player output PCM is that it sounds like shit. Running the DD into a processor results in far superior sound. I will say that I think DD is inferior to PCM (the genuine article, such as would be found on a laserdisc) for music intensive material. DD seems fine for sound effects, though.

Todd


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  • Re: Is 2 channel audio off of a movie same compression as dvd ???? - Lasermeister 15:52:31 04/27/03 (0)


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