MP2
MP3 kōnae
Ko te MP2 (MPEG Audio Layer II) he whakatakotoranga puoro ororongo e whakamahia nuitia ana mo te haapurorotanga me te haapurorotanga ororongo mamati (DAB).
Ko te MP3 (MPEG Audio Layer III) he whakatakotoranga ororongo rongonui e mohiotia ana mo te kaha o te whakakoi me te kore e tino patu i te kounga ororongo.