mpeg-4 hvxc

from The Free On-line Dictionary of Computing (8 July 2008)

MPEG-4 Harmonic Vector eXCitation
MPEG-4 HVXC

   <compression, standard, algorithm> (MPEG-4 HVXC) An {MPEG-4}
   variant using {parametric encoding} with a target {bit rate}
   of 20 kbps, for voice coding.

   (2001-12-09)