Crazy+Lady+Video

Edison created first sound recording

Music can now be brought to other places

guy from MIT - digital recording 1976

sample rate - number of samples captured per second - the more 1s and 0s you have, the more little jaggies there are, and the better it sounds. if you only have a few, it won't sound as real.

1982 - Jack Renner - first CD recording

DAT tape

mp3 discards "less important to human hearing" parts to compress the file