ITU-T G.761 FRENCH-1993
60路编码转换设备的一般性质

GENERAL CHARACTERISTICS OF A 60-CHANNEL TRANSCODER EQUIPMENT

ITU-T G.761 FRENCH-1993 发布历史

ITU-T G.761 FRENCH-1993由国际电信联盟 IX-ITU 发布于 1993-01-01。

ITU-T G.761 FRENCH-1993 在中国标准分类中归属于: M38 数字通信设备。

The 60-channel transcoder implements a conversion between two 30-channel 2048 kbit/s PCM streams and one 60-channel 2048 kbit/s ADPCM stream. In the 30-channel 2048 kbit/s streams, the telephone signals are coded using 64 kbit/s A-law PCM as specified in Recommendation G.711. In the 60-channel 2048 kbit/s stream, the telephone signals are coded using 32 kbit/s ADPCM as specified in Recommendation G.721. Figure 1/G.761 indicates the nomenclature used for the three different signal ports A, B and C.

标准号

ITU-T G.761 FRENCH-1993

发布

1993年

发布单位

国际电信联盟

 

 

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