MP3 File Format Specification - mpgedit Home Page

NOTES: All values are in kbps V1 - MPEG Version 1 V2 - MPEG Version 2 and Version 2.5 L1 - Layer I L2 - Layer II L3 - Layer III "free" means free format. If the correct fixed bitrate (such files cannot use variable bitrate) is different than those present

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