I am no audiophile, so I would make do with the best average. At the same time, a proper test would spell out all components used in the test, including:
- headphones used
- music used and mastering condition of music
- location which the test was performed in
To be fair you need something that shows minimal external interference. Mastering of music, from what I understand, can shift the audio to something good for one type of source type, to something that just ruins a...