Mistake #0: Working at the wrong level of abstraction. There are perfectly good library functions (in python, and I assume in C) for loading a wav file into a

Mistake #0: Working at the wrong level of abstraction. There are perfectly good library functions (in python, and I assume in C) for loading a wav file into a simple array of values, and writing an array back into a new wav file... Load the data, skip the zeros, and write.