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Project Description

SNDFILE.IO

A simple module providing a unified API to read and write sound-files to and from numpy arrays. If no extra modules are installed, it uses only standard modules and numpy to read and write uncompressed formats (WAV, AIFF).

If other modules are installed (scikits.audiolab, for example), then they are used.

Even without third-party packages, it has certain advantages over the built-in modules wave and aifc

  • support for PCM16, PCM24, PCM32 and FLOAT32
  • unified output format, independent of encoding (always float64)
  • unified API for all backends

API

sndread

  • it will read ALL the samples and return a Sample (a tuplet data, samplerate)
  • Data will always be as a numpy.float64, between -1 and 1, independently of bit-rate

sndread_chunked

  • will read chunks of frames, avoiding the allocation of all the samples in memory

sndinfo

  • return SndInfo, a namedtuple with all the information of the sound-file

sndwrite

  • write the samples.
  • samples need to be a numpy.float64 array with data between -1 and 1

sndwrite_chunked

  • allows you to write to the file as samples become available

Dependencies

Mandatory:
  • numpy
Optional:
  • scikits.audiolab
Release History

Release History

0.7.1

This version

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0.7

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0.6

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0.4-

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0.3.1

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0.3

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0.2

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0.1

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Download Files

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
sndfileio-0.7.1.macosx-10.6-intel.exe (74.3 kB) Copy SHA256 Checksum SHA256 any Windows Installer Nov 20, 2014
sndfileio-0.7.1.tar.gz (10.1 kB) Copy SHA256 Checksum SHA256 Source Nov 20, 2014

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