ref: c4c51309beb1476e54845bdca78fe46f64449c7c
dir: /python/demos/demo_a_weighting.py/
#! /usr/bin/env python def apply_filter(path, params = {}): from aubio import source, sink, digital_filter from os.path import basename, splitex, splitextt s = source(path) f = digital_filter(7) f.set_a_weighting(s.samplerate) #f = digital_filter(3) #f.set_biquad(...) o = sink("filtered_" + splitext(basename(path))[0] + ".wav") # Total number of frames read total_frames = 0 while True: samples, read = s() filtered_samples = f(samples) o(samples, read) total_frames += read if read < s.hop_size: break print "filtered", s.uri, "to", o.uri, "using an A-weighting filter" if __name__ == '__main__': import sys for f in sys.argv[1:]: apply_filter(f)