ref: 89bc6f4938d3c1e41e351d7cd8314ed3fb3cd433
dir: /python/demos/demo_pysoundcard_record.py/
#! /usr/bin/env python def record_sink(sink_path): """Record an audio file using pysoundcard.""" from aubio import sink from pysoundcard import Stream hop_size = 256 duration = 5 # in seconds s = Stream(blocksize = hop_size, channels = 1) g = sink(sink_path, samplerate = int(s.samplerate)) s.start() total_frames = 0 try: while total_frames < duration * s.samplerate: vec = s.read(hop_size) # mix down to mono mono_vec = vec.sum(-1) / float(s.channels[0]) g(mono_vec, hop_size) total_frames += hop_size except KeyboardInterrupt: duration = total_frames / float(s.samplerate) print("stopped after %.2f seconds" % duration) s.stop() if __name__ == '__main__': import sys record_sink(sys.argv[1])