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

Wave_read.getframerate() Returns sampling frequency.

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

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

audioop.findfactor(fragment, reference) Return a factor F such that rms(add(fragment, mul(reference, -F)))

aifc.setcomptype(type, name) Specify the compression type. If not specified, the audio data will not be compressed. In AIFF

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

audioop.add(fragment1, fragment2, width) Return a fragment which is the addition of the two samples passed as parameters. width

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

audioop.maxpp(fragment, width) Return the maximum peak-peak value in the sound fragment.