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Smarc audio rate converter, ...another SR converter developed at TÚlÚcom ParisTech, France.
post Oct 25 2011, 10:50
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Smarc is a fast and high quality audio rate converter. It allows conversion between any samplerate. Smarc is a command-line program and a C library to be integrated in other applications.

  • signal rate conversion between any sample rates.
  • optimized for conversion between standard audio sample rates.
  • command-line tool to convert audio files
  • C library to integrate smarc converter into other applications.
  • Initially designed to convert audio, but also any 1-D signals such as EEG, seismic signals, etc.
  • Convert sample rate using polyphase decimation and interpolation filters. This method guarantees high-quality for upsampling and downsampling.
  • Internal filters can be tuned to emphasize speed or quality.

Official website
Official download page
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post Oct 26 2011, 21:05
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BTW, frequency response (passband) for 96000 -> 44100 conversion (smarc -r 44100 in.wav out.wav):

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