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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: Re: It's not that simple in real life. posted by andy_c on June 15, 2006 at 12:05:42:
I'll have to digest the "readme" from home.He is correct in pointing out that low-order distortion is not particularly audible, of course.
That does, however, depend on fundamental frequency. The third harmonic of 40 Hz is still in the same critical bandwidth as the original.
The third harmonic of 400Hz, however, is about 5 critical bands removed.
The audibility of the third harmonic in those two cases is going to be quite radically different.
The right scale to measure "distance" in terms of harmonic audibility would be a bark scale or an ERB scale, not frequency.
I wonder if he used any typical nonlinearities, where the order of the nonlinearity grows rapidly when you get near to maximum. This kind of behavior leads to huge loudness (loudness == percieved level) growth that is far in excess of what one would expect from level (amplitude, intensity) measurements, because it expands bandwidth rapidly as you approach clipping.
That artifact has been shown to enhance the sensation of "dynamic range", and quite a few people like this. It would take longer-term listening to recognize, indeed, you'd have to listen from ppp to fff.
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Follow Ups
- Hmmm.... - real_jj 13:06:54 06/15/06 (0)
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