+ " --volume=VOLUME Specify the initial (linear) volume in range 0...256\n"
+ " --rate=SAMPLERATE The sample rate in Hz (defaults to 44100)\n"
+ " --format=SAMPLEFORMAT The sample type, one of s16le, s16be, u8, float32le,\n"
+ " float32be, ulaw, alaw (defaults to s16ne)\n"
+ " --channels=CHANNELS The number of channels, 1 for mono, 2 for stereo\n"
+ " (defaults to 2)\n",