Why are an integers bytes stored backwards? Does this apply to headers only?

Question

I\'m currently trying to decipher WAV files. From headers to the PCM data.

I\'ve found a PDF (http://www.tdt.com/T2Support/technical_notes/tn0132.pdf) detailing the

Answer 1

"Backwards" is subjective. Some machines are big-endian, others are little-endian. In byte-oriented contexts like file formats and network protocols, the order is arbitrary. Some formats like to specify big- or little-endian, others like to be flexible and accept either form, with a flag indicating which is in use.

Looks like WAV files just like little-endian.