I have generated two similar audio waves, but one of them is presenting some strange effects when played. I have attached both files:
They are both PCM 16 bits little endian pure audio files, 8khz rate.
I would like to know:
1) Why is the second audio presenting hissing effects? The waveforms seem very similar to me. 2) What kind of filtering could I perform to attenuate these effects, and get a more comfortable audio?
Edit: I changed the file formats to windows WAV