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【单选题】
用PCM对语音进行数字量化,如果将声音分为64个量化级,采样频率为8000次/秒,那么一路话音需要的数据传输率为A.
128bit/s
B.
56kbit/s
C.
48kbit/s
D.
64kbit/s
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【简答题】The boy scouts teach their members an “Outdoor Code” before they camp. Direct Object : Indirect Object:
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