Subject: Re: Standard Scale Modification Algorithm From: Toth Laszlo <tothl@xxxxxxxx> Date: Fri, 20 Jul 2007 14:00:50 +0200 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>On Fri, 20 Jul 2007, caitriona martyn wrote: > Would anyone have an already completed implementation of one of the standard > scale modification algorithms (perhaps one of the OLA algorithms) as I am > trying put together a basic Matlab program in order to compress/expand > speech recordings (phonemes)? If by scale you mean time-scale, you could try to search for "phase vocoder". There was a nice summary paper on phase vocoders at some DAFX conference, along with a Matlab code (It was online, but I don't known if it is still online; try searching for "TRADITIONAL (?) IMPLEMENTATIONS OF A PHASE-VOCODER: THE TRICKS OF THE TRADE") Laszlo Toth Hungarian Academy of Sciences * Research Group on Artificial Intelligence * "Failure only begins e-mail: tothl@xxxxxxxx * when you stop trying" http://www.inf.u-szeged.hu/~tothl *