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

audioop.add(fragment1, fragment2, width) Return a fragment which is the addition of the two samples passed as parameters. width

audioop.maxpp(fragment, width) Return the maximum peak-peak value in the sound fragment.

aifc.close() Close the AIFF file. After calling this method, the object can no longer be used.

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

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

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

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

colorsys.rgb_to_yiq(r, g, b) Convert the color from RGB coordinates to YIQ coordinates.

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