求大神来解答下面的问题1.An audio signalis sampled 8000 times per second. Each sample is represented by 256 differentlevels. How many bits are needed to represent this signal?A.8000 B. 256*8000 C.7*8000 D. 8*80002.An imaginarycomputer h
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![求大神来解答下面的问题1.An audio signalis sampled 8000 times per second. Each sample is represented by 256 differentlevels. How many bits are needed to represent this signal?A.8000 B. 256*8000 C.7*8000 D. 8*80002.An imaginarycomputer h](/uploads/image/z/6971490-18-0.jpg?t=%E6%B1%82%E5%A4%A7%E7%A5%9E%E6%9D%A5%E8%A7%A3%E7%AD%94%E4%B8%8B%E9%9D%A2%E7%9A%84%E9%97%AE%E9%A2%981%EF%BC%8EAn+audio+signalis+sampled+8000+times+per+second.+Each+sample+is+represented+by+256+differentlevels.+How+many+bits+are+needed+to+represent+this+signal%3FA.8000+B.+256%2A8000+C.7%2A8000+D.+8%2A80002%EF%BC%8EAn+imaginarycomputer+h)
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