Subject: Re: [linux-audio-user] Pitch shifting
From: Guenther Sohler (guenther.sohler_AT_newlogic.com)
Date: Mon Jan 28 2002 - 18:28:44 EET
hallo steve,
thank you very much for all the information!
> The hard part is maintaining the ratio between the partials.
Ya, but you can just wight them
lets say i=number of partial
and j=i*factor, which is some double number
you can weight the amplitude of i to floor(i) and ceil(i) correctly
what do you exacly mean by zero padding ? can you excacly describe the way it
should be done ?
> I think that the current best hardware uses LPC (Linear Predictice Coding).
> I haven't tried this technique though, it is a bit of a specialisation.
where can i find indofrmation on this ?
rds guenther
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