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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: HANG ON EVERYONE! Lets try again without so much bickering posted by macaque on May 20, 2005 at 08:57:39:
I think these 2 comments are particularly interesting:There is a lot of talk that jitter is FM, but it is FM of the digital clock. This does not tell us the resulting behaviour of the analog signal after the reconstruction filter.
...I suspect jitter does a lot more than add spurious frequencies to a signal. It can also change the magnitude and phase of the frequencies that are supposed to be reproduced and the relationship of associated harmonics and the harmonic structure pattern is how we recognize individual sounds in a complex signal.
It seems likely that jitter results in short-term signals that are not harmonically related to the desired signal, but are not the same as noise. How could you measure this?And of course there's that gap between identifying the forms of distortion and understanding how the brain proceses this stuff.
Beyond that we have no idea how we isolate individual sounds in a complex signal, but it must be one hell of a pattern recognition engine in there.
Great post!
Peter
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Follow Ups
- Thanks for getting us back on track - Commuteman 09:44:44 05/20/05 (1)
- Re: Thanks for getting us back on track - macaque 16:03:26 05/21/05 (0)
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