Csak hogy pontosan legyen itt Spotify-nak is.

"Spotify uses 3 quality ratings for streaming, all in the Ogg Vorbis format.

~96 kbps
Normal quality on mobile.
~160 kbps
Desktop and web player standard quality.
High quality on mobile.
~320 kbps (only available to Premium subscribers)
Desktop high quality.
Extreme quality on mobile."