[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
I don't know about Garage Band, but Audacity uses an algorithm called
soundtouch, which is an implementation of the synchronous-overlap-add
method. Here is a link to the library used, and there is a link on this
page to a nice discussion by the author of how it works:
On 8/11/2011 11:11 AM, Brittany Guidone wrote:
Does anyone know what happens in Garage Band or Audacity when you change the pitch of a voice in
those programs? The voices are not getting faster or slower when I change them 4 semi tones. But I
want to know what is being done to the voices when I change the pitch.
Christopher Brown, Ph.D.
Associate Research Professor
Department of Speech and Hearing Science
Arizona State University