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An audio signal is sampled 8000 times per second . each sample is represented by 256 different levels. How many bits per second are needed to represent this signal?

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  • 1 decade ago
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    參考看看,有誤請指正!256 different levels需要8 bits表示,28=256。因為signal is sampled 8000 times per second而且每一個sample為8 bits,故需要8*8000=64000 bits per second 。

    Source(s): me
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