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.
ITU Recommendation G.723 Extensions of Recommendation G.721 adaptive differential pulse code modulation to 24 and 40 kbit/s for digital circuit multiplication equipment application.
The International Telecommunication Union The International Telecommunication Union is an international organization within which governments and the private sector coordinate global telecom networks and services. This home page offers numerous links to highlights and current topics, standardization, radiocommunication, telecommunication, and general secretariat sectors.
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