资料来源 : Free On-Line Dictionary of Computing

MPEG-2.5 audio layer 3
     
         A non-standard
        extention of {MPEG-2 audio layer 3} by {FhG} for lowest
        sampling rates (8-12 kHz) targeting bit rates from 16-32 kbps
        (possibly 8-160 kbps).
     
        (2001-12-04)