The vast majority of those who listen to recordings of classical music take good audio quality for granted.

For this test, however, we've ignored looks in favour of audio quality.

Audio quality will depend on both the codec used and its bitrate (the amount of data used per second of sound).

Audio quality varies greatly, although even low-bandwidth stations are acceptable for speech radio.

It sounded sophisticated with both internet radio and digital music files, though audio quality depends on your hi-fi and the calibre of the music played.