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[ Source: wsola  ]

Package: wsola (4.9-1.1 and others)

allows one to speed/slow audio without altering its pitch

It speeds up or slows down audio, without pitch alteration. WSOLA operates using the Waveform Similarity overlap add method [1]. 

 [1] @InProceedings{Verhelst:1993,
 author =       {Verhelst, W. and Roelands, M.},
 title =        {An overlap-add technique based on waveform similarity
 (WSOLA) for high quality time-scale modification of speech},
 booktitle  = {IEEE International Conference on Acoustics, Speech, and
 Signal Pr ocessing},
 pages =        {554-557},
 year =         {1993},
 volume =       {2},
 month =        {April} }
.

Tags: User Interface: Command Line, Role: Program, Scope: Utility, Sound and Music: Mixing, Purpose: Data Conversion, Works with: Audio

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Download wsola

Download for all available architectures
Architecture Version Package Size Installed Size Files
alpha 4.9-1.1 21.7 kB96 kB [list of files]
amd64 4.9-1.1 20.4 kB88 kB [list of files]
arm 4.9-1.1 22.9 kB51 kB [list of files]
armel 4.9-1.1 19.9 kB84 kB [list of files]
hppa 4.9-1.1+b1 22.4 kB92 kB [list of files]
hurd-i386 4.9-1.1 19.8 kB84 kB [list of files]
i386 4.9-1.1 20.1 kB88 kB [list of files]
ia64 4.9-1.1 27.0 kB128 kB [list of files]
kfreebsd-amd64 (unofficial port) 4.9-1.1 20.4 kB62 kB [list of files]
kfreebsd-i386 (unofficial port) 4.9-1.1 20.1 kB60 kB [list of files]
m68k 4.9-1.1 19.2 kB84 kB [list of files]
mips 4.9-1.1 20.8 kB100 kB [list of files]
mipsel 4.9-1.1 20.8 kB100 kB [list of files]
powerpc 4.9-1.1 23.3 kB96 kB [list of files]
s390 4.9-1.1 19.8 kB88 kB [list of files]
sparc 4.9-1.1 19.8 kB88 kB [list of files]