Title :
Multimedia multipoint teleconference system using the 7 kHz audio coding standard at 64 kbit/s
Author :
Taka, Masahiro ; Shimada, Shoji ; Aoyama, Tomonori
Author_Institution :
Transmission Syst. Labs., NTT, Kanagawa, Japan
fDate :
2/1/1988 12:00:00 AM
Abstract :
The International Telegraph and Telephone Consultative Committee (CCITT) has recommended an algorithm to code wideband speech and music (i.e. 7-kHz audio) with 64 kb/s as an international standard (recommendation G.722). A multimedia multipoint teleconference system using the 7-kHz audio coding standard is discussed. System requirements for teleconferencing are examined, and control procedures for the system are examined. A system using digital leased circuits is presented, and the audio-bridging technique used in this system is discussed
Keywords :
code standards; speech analysis and processing; telecommunications control; teleconferencing; 64 kbit/s; 7 kHz; CCITT; audio coding standard; audio-bridging technique; control procedures; digital leased circuits; multimedia multipoint teleconference system; music; recommendation G.722; wideband speech; Audio coding; Circuits; Code standards; Control systems; Multimedia systems; Speech coding; Teleconferencing; Telegraphy; Telephony; Wideband;
Journal_Title :
Selected Areas in Communications, IEEE Journal on
