Integrated Services Digital Network (ISDN); Videotelephony teleservice; Part 2: Electroacoustic characteristics for 3,1 kHz bandwidth loudspeaking and handsfree terminals
综合业务数字网(ISDN);可视电话业务;第2部分:3.1 kHz带宽扬声器和免提终端的电声特性
发布日期:
1995-12-01
使用脉冲编码调制(PCM)A律编码和扬声器或免提功能的ISDN可视电话终端电声特性的标准化
Standardization of electroacoustical characteristics of videotelephony terminals for ISDN using Pulse Code Modulation (PCM) A-law coding and loudspeaking or handsfree functions