Subject: Re: Standard Scale Modification Algorithm From: Vincent Verfaille <vincent@xxxxxxxx> Date: Mon, 23 Jul 2007 00:25:54 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>On 20 juil. 07, at 08:00, Toth Laszlo wrote: > 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 You can find interesting Matlab codes from the website of the DAFx book: http://www2.hsu-hh.de/ant/dafx2002/DAFX_Book_Page/matlab.html Simple time-scaling algorithms are provided with the 3 following models: phase vocoder, sola (time-domain), and additive model. best, ___ Vincent Verfaille, Post-Doc. Research Fellow Sound Processing & Control Lab. (SPCL) Input Devices & Musical Interaction Lab. (IDMIL) Centre for Interdisciplinary Research in Music Media and Technology (CIRMMT) Schulich School of Music, McGill University 555 Sherbrooke Street west, Montréal Qc, H3A 1E3, Canada Tel.: +1 514-398-4535, ext. 00271