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

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

oss_mixer_device.reccontrols() Returns a bitmask specifying the mixer controls that may be used to record. See the code example

Wave_read.close() Close the stream if it was opened by wave, and make the instance unusable. This is called automatically

aifc.getnframes() Return the number of audio frames in the file.

aifc.tell() Return the current frame number.

oss_mixer_device.get_recsrc() This method returns a bitmask indicating which control(s) are currently being used as a recording

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

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

audioop.lin2adpcm(fragment, width, state) Convert samples to 4 bit Intel/DVI ADPCM encoding. ADPCM coding is an adaptive coding