timestretch

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timestretch

y = timestretch ( x,factor )
y = x.timestretch ( factor )
y = x % factor

Stretch the audio in time without changing the pitch or the spectrum

arg

type

Description

Unit or Value scale

x

AUD

Audio signal


factor

SCL or TSQ

The time stretch factor


Outputs

  • y is AUD or VCT

Notes

  • The audio extends in time by the factor of x--e.g., x means the new duration is 1.5 times the old one
  • Do not put a percentage value for x.

Examples

See Also

respeed | pitchscale | movespec

Algorithm

This is based on the WSOLA algorithm (http://www.audiolabs-erlangen.de/resources/MIR/TSMtoolbox/)

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