[PD] change samplerate locally

Martin Peach martin.peach at sympatico.ca
Sun Mar 15 19:30:44 CET 2009


hard off wrote:
> hi martin, thanks for taking the time to reply.
> 
> i can set pd to whatever samplerate i want in media->audio settings.  i 
> just checked again going through a whole bunch of values between 22050 
> and 44100 and they all work.

Yes you're right. I should have checked first ;)
Maybe writing into a table at 44100 and using [tabread4~] with a signal 
that is quantized to the ratio of sample rates would work?

> 
> my problem is that the samplerate is global, and i need it only to be 
> local.  i think the 'solution' i suggested in my 2nd post is going to be 
> the way to do it, but i just don't know how to do that.
> 
> 
>     [*~ 2048]
>     |
>     [expr~ $v1%2048]
>     |
>     [/~ 2048]
> 
> 
> thanks.  that's what i had done originally, but i couldn't hear any 
> effect.  i guess if i really want 12-bit sound in pd, i'd have to use 
> that construct after each and every calculation in the signal chain. 
> seems a fair bit of overkill just to make the sound WORSE though! 
> 
> 

Well 12-bit sound is pretty good, as good as audio cassette with no 
dolby. You should try replacing 2048 with 128 or less to hear true lo-fi.

Martin







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