The 48-channel transcoder provides for the conversion between two 24-channel 1544 kbit/s PCM streams and one 48-channel 1544 kbit/s ADPCM stream. In the 24-channel 1544 kbit/s streams, the voice-frequency signals are coded at 64 kbit/s according to the PCM µ-law defined in Recommendation G.711. In the 48-channel 1544 kbit/s stream, the voicefrequency signals are coded at 32 kbit/s according to the ADPCM encoding law defined in Recommendation G.721.
ITU-T G.762 FRENCH-1993由国际电信联盟 IX-ITU 发布于 1993-01-01。
ITU-T G.762 FRENCH-1993 在中国标准分类中归属于: M38 数字通信设备。
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