An International Telecommunications Union (
ITU-T) standard for
for audio (speech)
compression and
decompression that is used in digital transmission systems, and in particular,
used for the coding of
analog signals into digital signals.
G.723 is an ITU-T standard codec that uses Adaptive Differential
Pulse Code Modulation (ADPCM) standard for
speech codecs on a 24 and 40 kbps channel. NOTE: G.723 was
first introduced in 1988. In 1990 this standard was folded into G.726 along
with G.721. (See also ADPCM).
See G.7xx for more information on how these standards are used in telephony
networks.