> that's why the music on CDs is sampled at 44.1kHz (40kHz with some safety margin) A nice explanation of the 44.1kHz is here: http://www.cs.columbia.edu/~hgs

> that's why the music on CDs is sampled at 44.1kHz (40kHz with some safety margin) A nice explanation of the 44.1kHz is here: http://www.cs.columbia.edu/~hgs/audio/44.1.html http://www.cs.columbia.edu/~hgs/audio/44.1.html Initially digital video tracks were used and as such they were constrained by the video formats commonly recorded on them and the playback devices coming with that.