aifc.setpos(pos) Seek to the specified frame number.

audioop.cross(fragment, width) Return the number of zero crossings in the fragment passed as an argument.

aifc.close() Close the AIFF file. After calling this method, the object can no longer be used.

aifc.getnchannels() Return the number of audio channels (1 for mono, 2 for stereo).

class chunk.Chunk(file, align=True, bigendian=True, inclheader=False) Class which represents a chunk. The file argument

oss_audio_device.getfmts() Return a bitmask of the audio output formats supported by the soundcard. Some of the formats supported

oss_audio_device.mode The I/O mode for the file, either "r", "rw", or "w".

audioop.lin2ulaw(fragment, width) Convert samples in the audio fragment to u-LAW encoding and return this as a bytes object

oss_audio_device.setfmt(format) Try to set the current audio format to format—see getfmts() for a list

audioop.reverse(fragment, width) Reverse the samples in a fragment and returns the modified fragment.