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Re: +/- 90 degree phase shift of input WAV?

Date2007-08-01 18:06
FromVictor Lazzarini
SubjectRe: +/- 90 degree phase shift of input WAV?
if you use stereo (nchnls=2) you can output
both signals with outs acos, asin and check that
you are getting what you want.

Victor

>
>
> Cribbing from several Csound examples, this is what I came
> up with that appears to work (I still need to look at the
> output waveforms, but it at least produces sane output) -
> replace "out acos" with "out asin" to reverse the phase:
>
> 
>   
>     -W
>   
>   
>     sr = 44100
>     kr = 4410
>     ksmps = 10
>     nchnls = 1
>
>     instr 1
>       Sname strget 1
>       ilen filelen Sname
>       event_i "i", 2, 0, ilen
>     endin
>
>     instr 2
>       Sname strget 1
>       ain soundin Sname
>       acos, asin hilbert ain
>       out acos
>     endin
>   
>   
>     i1 0 1
>   
> 
>
> Thanks for the pointer on stripping it down to hilbert
> only!
>
> Rodney
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> Nabble.com.
>
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