A CODEC (COmpressor/DECompressor) is an algorithm for taking voice or video and compressing the information. CODECs are used within voice and video systems, including DVD players and VoIP systems.

The table below lists a number of popular voice and video CODECs.

  • G.711
  • G.723.1
  • G.726
  • G.729
  • H.261
  • H.263
  • H.264
  • iLBC
  • MPEG (acutally a family of standards with voice and video compression)