audioop.mul(fragment, width, factor) Return a fragment that has all samples in the original fragment multiplied by the floating-point

aifc.setnframes(nframes) Specify the number of frames that are to be written to the audio file. If this parameter is not set

aifc.setframerate(rate) Specify the sampling frequency in frames per second.

aifc.getsampwidth() Return the size in bytes of individual samples.

audioop.avgpp(fragment, width) Return the average peak-peak value over all samples in the fragment. No filtering is done, so

audioop.findfit(fragment, reference) Try to match reference as well as possible to a portion of fragment (which

aifc.getmarkers() Return a list of markers in the audio file. A marker consists of a tuple of three elements. The first is the

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

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

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