What is a MP2 file?
MP2 — broadcast audio
What is it?
MP2 is MP3's older sibling: it's Layer 2 of the same MPEG-1 standard. Less efficient at compression, it's nonetheless more robust and much simpler to decode.
That's what made it, and what still keeps it, the format of choice for professional broadcasting.
History & origin
Standardized in 1993 alongside MP3, MP2 was adopted by broadcasters for digital radio and television, where reliability matters more than saving bandwidth.
It still runs behind the scenes in radio production and broadcast chains around the world today — a quiet but persistent veteran.
Why it is useful
Strong resilience to transmission errors and very low latency, two decisive qualities for live broadcasting.
Simple decoding that's easy on hardware.
Limits & drawbacks
Less efficient compression than MP3: for the same quality, the file is larger.
It's practically nonexistent in the consumer world.
Practical tips
If you come across an MP2 file, convert it to MP3 or AAC for comfortable listening and archiving.
There's no reason to choose this format today, unless you're working in a broadcast chain that requires it.
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