MP2

• Codec ID: 0x0050

MPEG-1 Audio Layer II (MP2) is an audio codec defined by ISO/IEC 11172-3. An extension exists: MPEG-2 Layer II and is defined in ISO/IEC 13818-3. It is the predecessor of MP3.

Some useful information on MPEG Layer 2 (unreachable as of Dec 7th 2007)

Open source encoder implementations

• TooLame, free software MPEG Layer II implementation with DAB support (Digital Audio Broadcasting)
• TwoLame, more recent free software implementation but DAB support broken