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

audioop.ratecv(fragment, width, nchannels, inrate, outrate, state[, weightA[, weightB]]) Convert the frame rate of the input

aifc.writeframes(data) Write data to the output file. This method can only be called after the audio file parameters have been

aifc.getframerate() Return the sampling rate (number of audio frames per second).

aifc.getparams() Returns a

oss_audio_device.post() Tell the driver that there is likely to be a pause in the output, making it possible for the device

aifc.tell() Return the current frame number.

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

aifc.getcompname() Return a bytes array convertible to a human-readable description of the type of compression used in the audio

oss_mixer_device.controls() This method returns a bitmask specifying the available mixer controls (“Control” being a specific