Thank you :)
--- In Gianni Pavan <> wrote:
>
> cutting frequencies below 1kHz is just high-pass filtering at 1kHz.
> besides this, real-world filters can't cut everything up to 999Hz and
> leave intact all waves at 1000Hz and up.
> any filter has its own "cutting shape" that may affect frequencies
> above your cutting frequency.
> but you can approximate the cutting shape you need by trying with
> different tools: in Audition you have a collection of different
> filters and in particular with FFT filter you can accurately set the
> cutting shape you need.
> but sharp-cutting is not always the best sounding option. if you need
> to remove ambient rumbles below 1 kHz maybe you'll discover that
> sharp-cutting sounds not-so-natural. Try with more gentle operation
instead.
> maybe audacity has similar functions.
>
> Gianni
>
> At 03.26 27/02/2006, you wrote:
>
> >Hi there,
> >
> >Does anyone know how to cut off all data below a certain frequency
> >threshold? I don't want to use the HighPass Filter, I just want to get
> >rid of all the sound below 1kHz...
> >
> >Also, if I run the the highpass filter, it doesn't affect things above
> >the threshold I give it at all, right?
> >
> >Thanks! Natalie :)
>
> --------------------------------------------------------------
> Gianni Pavan
> Email
> Centro Interdisciplinare di Bioacustica e Ricerche Ambientali
> Universita' degli Studi di Pavia
> Via Taramelli 24, 27100 PAVIA, ITALIA
> Tel +39-0382-987874
> Fax +39-02-700-32921
> Web http://www.unipv.it/cibra
>
>
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