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

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

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

aifc.tell() Return the current frame number.

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

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

Wave_read.getparams() Returns a

Wave_write.setparams(tuple) The tuple should be (nchannels, sampwidth, framerate, nframes, comptype, compname)

aifc.aiff() Create an AIFF file. The default is that an AIFF-C file is created, unless the name of the file ends in '