ITU-T G.721-1989
32 kbit/s Adaptive Differential Pulse Code Modulation (ADPCM) - General Aspects of Digital Transmission Systems; Terminal Equipments (Study Groups XV and XVIII) 38 pp

Standard No.

ITU-T G.721-1989

Release Date

1989

Published By

ITU-T - International Telecommunication Union/ITU Telcommunication Sector