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calib: automatic microphone gain calibration

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$ amodem-cli send -vv -c 'pactl set-sink-volume @DEFAULT_SINK@'
will set speaker level to 100%.

$ amodem-cli recv -vv -c 'pactl set-source-volume @DEFAULT_SOURCE@'
will use "binary search", to find the best microphone gain.
This commit is contained in:
Roman Zeyde
2015-01-17 12:30:52 +02:00
parent 35487966d8
commit ff8427f5f9
2 changed files with 68 additions and 24 deletions
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15
amodem-cli
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@@ -106,14 +106,14 @@ def main():
'-o', '--output', help='output file (use "-" for stdout).'
' if not specified, `aplay` tool will be used.')
sender.add_argument(
'-c', '--calibrate', default=False, action='store_true')
'-c', '--calibrate', nargs='?', default=False)
sender.set_defaults(
main=lambda config, args: send.main(
config, src=wrap(Compressor, args.src, args.zip), dst=args.dst
),
calib=lambda config, args: calib.send(
config, dst=args.dst
config=config, dst=args.dst, volume_cmd=args.calibrate
),
input_type=FileType('rb'),
output_type=FileType('wb', interface)
@@ -128,7 +128,7 @@ def main():
receiver.add_argument(
'-o', '--output', help='output file (use "-" for stdout).')
receiver.add_argument(
'-c', '--calibrate', default=False, action='store_true')
'-c', '--calibrate', nargs='?', default=False)
receiver.add_argument(
'-d', '--dump', type=FileType('wb'),
help='Filename to save recorded audio')
@@ -141,7 +141,8 @@ def main():
pylab=args.pylab, dump_audio=args.dump
),
calib=lambda config, args: calib.recv(
config, src=args.src, verbose=args.verbose
config=config, src=args.src, verbose=args.verbose,
volume_cmd=args.calibrate
),
input_type=FileType('rb', interface),
output_type=FileType('wb')
@@ -181,10 +182,10 @@ def main():
args.src = args.input_type(args.input)
args.dst = args.output_type(args.output)
if args.calibrate:
args.calib(config=config, args=args)
else:
if args.calibrate is False:
return args.main(config=config, args=args)
else:
args.calib(config=config, args=args)
if __name__ == '__main__':