The input file size  is 239766 bytes.

00-03:ChunkID=RIFF
04-07: ChunkSize=239758
08-11: Format=WAVE
12-15: SubChunk1ID=fmt 
16-19: SubChunk1Size =16
20-21: Audio Format =1 , value 1 for PCM
22-23: NumChannels=2
24-27: SampleRate =44100 
28-31: ByteRate =88200 
32-33: BlockAlign=2 
34-35: BitsPerSample=8 
36-39: SubChunk2ID=data
40-43: SubChunk2Size =239632

The audio time length = 2 seconds