.. _stdlib_audio_wav:

============================
WAV file reading and writing
============================

.. das:module:: audio_wav

Module audio_wav



+++++++
WAV I/O
+++++++

  *  :ref:`read_wav (fname: string; var samples: array\<float\>; var sample_rate: int&; var channels: int&) : bool <function-audio_wav_read_wav_string_array_ls_float_gr__int_ref__int_ref_>`
  *  :ref:`write_wav (fname: string; samples: array\<float\>; sample_rate: uint = 0xac44; channels: int = 2) <function-audio_wav_write_wav_string_array_ls_float_gr__uint_int>`

.. _function-audio_wav_read_wav_string_array_ls_float_gr__int_ref__int_ref_:

.. das:function:: read_wav(fname: string; samples: array<float>; sample_rate: int&; channels: int&) : bool

Read a WAV file into float samples. Returns true on success. Sets sample_rate and channels.


:Arguments: * **fname** : string

            * **samples** : array<float>

            * **sample_rate** : int\ &

            * **channels** : int\ &

.. _function-audio_wav_write_wav_string_array_ls_float_gr__uint_int:

.. das:function:: write_wav(fname: string; samples: array<float>; sample_rate: uint = 0xac44; channels: int = 2)

Write float samples as a 16-bit PCM WAV file.


:Arguments: * **fname** : string

            * **samples** : array<float>

            * **sample_rate** : uint

            * **channels** : int