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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: Human differential localization discussion posted by jneutron on June 8, 2005 at 09:48:22:
Lots of interesting stuff in that thread.....One comment you make in the DIY thread about 1-2 usec ITD being incongrous with 20 KHz bandwidth. I don't think it is a problem at all since you are talking about measuring the time difference of two different sensors measuring the same signal and this has nothing to do with the frequency of the signal being measured, only the resolution of the system meauring both sensors to detect a _difference_ in the trigger time.
The other common misconception is that the ITD in a CD signal is limited by the 44.1 Khz sampling rate when in fact it is limited by the 16 bit sample depth for exactly the same reason. The discrete time sampling does not limit the ITD in any way since you are talking about 2 different signals and the time delay between them. You need very high phase resolution to produce very short time delays and the bit depth is what limits the possible phase differences.
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Follow Ups
- Re: Human differential localization discussion - macaque 18:14:23 06/08/05 (1)
- Re: Human differential localization discussion - jneutron 07:32:18 06/09/05 (0)
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