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Wav files are normally used to hold uncompressed audio: We can view the internal ones and zeros:
$ ls -l crazy.wav 
50685644 2009-09-18 17:18 crazy.wav
$ cbgwave --dumphdr crazy.wav 
0000   52 49 46 46 C4 66 05 03   57 41 56 45 66 6D 74 20   RIFF.f..WAVEfmt 
0010   10 00 00 00 01 00 02 00   44 AC 00 00 10 B1 02 00   ........D.......
0020   04 00 10 00 64 61 74 61   A0 66 05 03 DE FF E0 FF   ....data.f......
WAV file:            crazy.wav, rate=44100, channels=2, bits=16, duration=4:47
Stereo difference is 9.8 dB
$ 
$
$ cbgwave --binaryview crazy.wav | head -10 
1111111111011110  1111111111100000
1111111111011111  1111111111011101
1111111111011111  1111111111011010
1111111111011110  1111111111011000
1111111111011011  1111111111011010
1111111111011011  1111111111011001
1111111111011101  1111111111011001
1111111111011110  1111111111011011