[PD] [OT] gallery installation sound
Kyle Klipowicz
kyleklip at gmail.com
Tue Feb 13 18:34:58 CET 2007
On 2/13/07, Frank Barknecht <fbar at footils.org> wrote:
> Actually I think, engineers prefer to use frequency sweeps instead of
> pulses nowadays
How fast of a sweep are you talking about? Seconds or milliseconds? Is
this the 50 and 80 ms bit that the paper mentions?
> If we use a rising
> frequency sweep, the harmonics will be gener-
> ated ahead of the same frequencies appearing
> in the signal. So after deconvolution, any dis-
> tortion will appear as spurious peaks in negative
> time in the impulse response, and most of it can
> then be edited out easily.
What a great way to use an artifact of the FFT to one's advantage. Awesome!
~Kyle
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