DVD-Audiobahn

RE: I can't tell if you are serious or not

71.167.190.182

In Reply to: RE: I can't tell if you are serious or not posted by Ted Smith on January 06, 2008 at 13:35:59

Ted,

This debate rages when ever someone says they can hear the difference between CD audio and higher bit rates. The Nyquist Theory guys apparently have either never listened to high bit rate audio, or can't hear sound, or both. There is an audible difference between audio bit rates. This was the whole reason for this thread, so see if I could find a recording of sufficiently high bit rate to see if it made a difference. I happened to find a disc (not yet in my hands) that presents multiple bit rates of the same recording. According to Nyquist, there should be no discernable difference between the higher bit rates. I hope to find out soon enough, but others have heard a difference.

I was being somewhat joking, and I agree, for predictable wave forms, Nyquist works just fine.

Two questions.

1. Is audio (for example a musical performance) a "bandlimited signal"?

2. Is audio (same example) predictable? ie. how do you know you did not miss some unpredictable part of the wave form when you reproduced it?

Bruce

Follow Ups:

RE: I can't tell if you are serious or not - Sunya 14:53:59 01/06/08 (0)
RE: I can't tell if you are serious or not - Ted Smith 14:21:02 01/06/08 (0)

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