MP2 is a short form of MPEG Audio Layer 2, and it is also used as a file extension for files containing audio data of this type. While it has largely been superseded by MP3 for PC and Internet applications, it remains a dominant standard for audio broadcasting as part of the DABdigital radio[?] and DVBdigital television standards.
For details and a short historic introduction to MP2, see MP3.
... and nasal stop at each of the following places of articulation:
Velar (soft palate[?]) (k, kh, g, gh, n as in ing)
Palatal (hard palate[?]) (c, ch, j, jh, ...