audioop.rms(fragment, width) Return the root-mean-square of the fragment, i.e. sqrt(sum(S_i^2)/n).

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

aifc.getparams() Returns a

Wave_read.getparams() Returns a

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

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

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.

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