SciPy, rate, data)[source]

Write a numpy array as a WAV file


filename : string or open file handle

Output wav file

rate : int

The sample rate (in samples/sec).

data : ndarray

A 1-D or 2-D numpy array of either integer or float data-type.


  • The file can be an open file or a filename.
  • Writes a simple uncompressed WAV file.
  • The bits-per-sample will be determined by the data-type.
  • To write multiple-channels, use a 2-D array of shape (Nsamples, Nchannels).

Previous topic

Next topic