[music-dsp] Measuring Impulse Response with multiple sine sweeps

douglas irving repetto douglas at music.columbia.edu
Sat Sep 4 12:27:00 EDT 2004


>On Monday, August 23, 2004, 05:59:21, Ed Wildgoose wrote:
>>  Do you have any pointers on how to implement a "swept" band pass
>>  filter?  I can get my head around a static on, but not a swept band
>>  pass?  Do you just use smallish ffft windows and gradually increase the
>>  parameters in small steps (ie not completely smooth)?
>
>*shudder* Sorry, but no.
>The question about swept sine measurements and swept band pass filtering
>(what effectively is being done in time delay spectrometry, TDS) seems to
>pop up about every week now. Have a look at the following paper; it's by
>Swen Müller, not as well known, but immensely useful:
>"Transfer-Function Measurement with Sweeps",
>http://www.anselmgoertz.de/Page10383/Monkey_Forest_dt/Manual_dt/Aes-swp.pdf
>
>Regards, Roman


how about a FAQ entry then...

http://www.musicdsp.org/phpWiki/index.php/MusicDspFaqs




douglas

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