Re: Real-time Pitchshifting
Re: Real-time Pitchshifting
- Subject: Re: Real-time Pitchshifting
- From: Jens Alfke <email@hidden>
- Date: Thu, 3 Apr 2008 10:41:11 -0700
On 3 Apr '08, at 9:12 AM, Peter Rebholz wrote:
However, I was under the impression from the original email that Sam
wanted a function he could call with a chunk of data and have the
pitch changed.
Not that I know the details of the math, but it's more than just a
function applied to a buffer of input data. It needs to keep a fair
amount of state in between calls. So an object of some sort, with an
input and an output stream, is the appropriate model. That's what an
AudioUnit is. If you want to, you can just instantiate one and feed it
buffers by hand; it's just that an AUGraph is usually more convenient.
—Jens
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