Analyzing the quality of a music track

1. How do you Analyse audio quality?
2. How do you define music quality?

How do you Analyse audio quality?

To check the true quality of an audio file is to run a spectrum analysis. A spectrum analysis is nothing new, what it does is measure the power and magnitude of an input signal versus frequency.

How do you define music quality?

Sounds may be generally characterized by pitch, loudness, and quality. Sound "quality" or "timbre" describes those characteristics of sound which allow the ear to distinguish sounds which have the same pitch and loudness. Timbre is then a general term for the distinguishable characteristics of a tone.