THE TELECOMMUNICATION TECHNOLOGY COMMITTEE
FAQContact UsSite MapJapanese


Voice Coding

JT-G711 Pulse Code Modulation (PCM) of Voice Frequencies
JT-G722 7 kHz Audio Coding within 64 kbit/s
JT-G722.1 7kHz audio-coding at 24 and 32 kbit/s for hands free operation in systems with low frame loss
JT-G722.2 Wideband coding of speech at around 16 kbit/s using adaptive multi-rate wideband (AMR-WB)
JT-G723.1 Dual Rate Speech Coder for Multimedia Telecommunication
Transmitting at 5.3 & 6.3 kbit/s
JT-G725 System Aspect for the Use of the 7 kHz Audio Codec within 64 kbit/s
JT-G726 40, 32, 24, 16 kbit/s adaptive differential pulse code modulation (ADPCM)
JT-G727 5-,4-,3-,and 2-bits/sample embedded adaptive differential pulse code modulation
JT-G728 Coding of Speech at 16 kbit/s Using Low-Delay Code Excited Linear Prediction (LD-CELP)
JT-G729 Coding of Speech at 8kbit/s using Conjugate-Structure Algebraic-Code-Excited Linear Prediction(CS-ACELP)
JT-G764 Voice Packetization - Packetized Voice Protocol
JT-J52 Digital transmission of high-quality sound-program signals using one, two or three 64kbit/s channels per mono signal
(and up to six stereo signal)


Up

Home


(C)1999-2004