[LAU] OT - impulse response recording

fons at kokkinizita.net fons at kokkinizita.net
Sun Jan 30 20:41:04 UTC 2011


On Sun, Jan 30, 2011 at 09:27:46PM +0100, Hartmut Noack wrote:

> Do you think, the same problem would arise with the MD-Recorder?
> ATRAC is based on the same principles as MP3 so it  may have the
> same shortcomings when it comes to record material for
> HIFI-impulses.

Yes. Just imagine a reverb of 2 seconds (RT60), and a 10 seconds
long logarithmic sweep, that's about 1 second per octave. So
when the sweep is at 2 kHz, the room response for 1k kHz is
already 30 dB down. Any perceptual coding is going to remove
that, or make nonsense of it.

Ciao,

-- 
FA

There are three of them, and Alleline.



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