G-Series¶

Transmission systems and media, digital systems and networks

G.711
        Pulse code modulation (PCM) of voice frequencies
        Corresponding ANSI-C code is available in the G.711 module of the ITU-T G.191 Software Tools Library.

G.722
        7 kHz audio-coding within 64 kbit/s

G.723.1
        Dual rate speech coder for multimedia communications transmitting at 5.3 and 6.3 kbit/s

G.726
        40, 32, 24, 16 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM)
        Corresponding ANSI-C code is available in the G.726 module of the ITU-T G.191 Software Tools Library

G.729
        Coding of speech at 8 kbit/s using conjugate-structure algebraic-code-excited linear prediction (CS-ACELP)

参考¶

H Series: https://www.itu.int/rec/T-REC-G/en