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在介绍ITU TG 72 9编码系统的基础上 ,通过实验仿真 ,着重分析了系统的性能指标。经非正式听音测试 ,G 72 9编码合成语音接近 32kbit/sADPCM编码质量 ,MOS分约为 4 0。
Based on the introduction of the ITU TG 72 9 coding system, the performance of the system is analyzed emphatically through experimental simulation. After an informal listening test, the G 72 9 encoded speech was nearly 32 kbit / s of ADPCM encoding quality with a MOS score of about 40.