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General Information
G.723.1 (previously just "G.723") is a standards-based voice codec. It was designed for video conferencing / telephony over standard phone lines, and is optimized for realtime encode & decode.

G.723.1 is part of the H.323 (IP) and H.324 (POTS) standards for video conferencing.

Architectures Supported
Pros, Cons & Tips
  • Standards-based
  • Decent voice quality
  • Allows simultaneous encode & decode in software (on fast computers)

  • Not well-suited to music or sound effects
  • Lower quality than many other codecs at similar data rates

Ideal source material Voice, 8.000 khz
Compression Ratio / Datarates 5.3 and/or 6.3 kbits/sec (0.7-0.8 kbytes/sec), depending on implmentation
Compression time Realtime
Manufacturer Microsoft, Vivo, Lucent, many others

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