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MFFM Time Scale Modification for Audio

by flatmax

Implementation of the WSOLA algorithm for time scale modification of audio without artifact introduction (ideally). It allows one to speed/slow audio without altering its pitch.


http://mffmtimescale.sourceforge.net

Conversion, Sound Synthesis

Project Feed

  • Test executables 4.10.1 file released: WSOLA.Amis.zip

    fixed speed slider positioning and switched from debug mode to release mode ... the experience should be ALOT better.

    01:04PM on Nov 16 2005

  • developer v4 unstable v4.9 file released: WSOLA.4.9.zip

    Version 4.9 16/10/2005
     * After a rigorous working through AmisAudio, a new and robust example now
       exists in exampes ... it uses sox as the input file reader and Audiere
       as the /dev/dsp controller ... tested both in Unix and win32 ...
       although a ...

    12:45PM on Oct 16 2005

  • developer v4 unstable v4.9 file released: WSOLA.4.9.tar.gz

    Version 4.9 16/10/2005
     * After a rigorous working through AmisAudio, a new and robust example now
       exists in exampes ... it uses sox as the input file reader and Audiere
       as the /dev/dsp controller ... tested both in Unix and win32 ...
       although a ...

    12:27PM on Oct 16 2005

  • Tracker comment added

    flatmax commented on the request for LPGL artifact

    07:51AM on Jun 03 2005 by flatmax

  • developer v4 unstable v4.8 file released: WSOLA.v4.8.zip

    Version 4.8 28/04/2005
    
     * Altered WSOLA to allow people to shift it's time code reference on
       this allows one to bypass WSOLA when the speed is unity (1.0) and
       still use WSOLA as the mutlimedia master sync.
     * Altered the example WSOLA4Audiere to ...

    01:28PM on Apr 28 2005

  • developer v4 unstable v4.8 file released: WSOLA.v4.8.tar.bz2

    Version 4.8 28/04/2005
    
     * Altered WSOLA to allow people to shift it's time code reference on
       this allows one to bypass WSOLA when the speed is unity (1.0) and
       still use WSOLA as the mutlimedia master sync.
     * Altered the example WSOLA4Audiere to ...

    01:28PM on Apr 28 2005

  • developer v4 unstable v4.7 file released: WSOLA.v4.7.zip

    Version 4.7 22/04/2005
    
     * Altered the values HANNING_DURATION and DELTA_DIVISOR in WSOLA.H to get
       better sound quality and operation in the example of WSOLA4Audiere.
    
    Version 4.6 20/04/2005
    
     * Various changes to examples/WSOLA4Audiere.H including ...

    05:53AM on Apr 22 2005

  • developer v4 unstable v4.7 file released: WSOLA.v4.7.tar.bz2

    Version 4.7 22/04/2005
    
     * Altered the values HANNING_DURATION and DELTA_DIVISOR in WSOLA.H to get
       better sound quality and operation in the example of WSOLA4Audiere.
    
    Version 4.6 20/04/2005
    
     * Various changes to examples/WSOLA4Audiere.H including ...

    05:53AM on Apr 22 2005

  • developer v4 unstable v4.6 file released: WSOLA.v4.6.zip

    Version 4.6 20/04/2005
    
     * Various changes to examples/WSOLA4Audiere.H including compatability with
       Audiere version 1.4.4 (CVS version). Documentation now exists for this
       header ... check the html directory.
    
    Version 4.4 11/04/2005
    
     * More bug ...

    02:40PM on Apr 20 2005

  • developer v4 unstable v4.6 file released: WSOLA.v4.6.tar.bz2

    Version 4.6 20/04/2005
    
     * Various changes to examples/WSOLA4Audiere.H including compatability with
       Audiere version 1.4.4 (CVS version). Documentation now exists for this
       header ... check the html directory.
    
    Version 4.4 11/04/2005
    
     * More bug ...

    02:40PM on Apr 20 2005

MFFM Time Scale Modification for Audio Actions