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14.5.1 Wave_read Objects

Wave_read objects, as returned by open(), have the following methods:


close( )
Close the stream, and make the instance unusable. This is called automatically on object collection.


getnchannels( )
Returns number of audio channels (1 for mono, 2 for stereo).


getsampwidth( )
Returns sample width in bytes.


getframerate( )
Returns sampling frequency.


getnframes( )
Returns number of audio frames.


getcomptype( )
Returns compression type ('NONE' is the only supported type).


getcompname( )
Human-readable version of getcomptype(). Usually 'not compressed' parallels 'NONE'.


getparams( )
Returns a tuple (nchannels, sampwidth, framerate, nframes, comptype, compname), equivalent to output of the get*() methods.


readframes( n)
Reads and returns at most n frames of audio, as a string of bytes.


rewind( )
Rewind the file pointer to the beginning of the audio stream.

The following two methods are defined for compatibility with the aifc module, and don't do anything interesting.


getmarkers( )
Returns None.


getmark( id)
Raise an error.

The following two methods define a term ``position'' which is compatible between them, and is otherwise implementation dependent.


setpos( pos)
Set the file pointer to the specified position.


tell( )
Return current file pointer position.




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