ITU-T-G711
Pulse code modulation (PCM) of voice frequencies
Defines 64 kbit/s PCM coding for voice telephony. Specifies A-law and mu-law companding algorithms. The foundational voice codec for PSTN, VoIP, and digital communication systems worldwide.
- Document
- ITU-T G.711 (1988, amended 2024)
- URL
- https://www.itu.int/rec/T-REC-G.711
- Label
- Standard
- Keywords
- PCM voice codec A-law mu-law telephony VoIP PSTN
Domain: Telecommunications · Standard