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a company's telephone exchange digitizes telephone channels at 8000 samples/s, using 8 bits for quantization. This telephone channels over a

a company's telephone exchange digitizes telephone channels at 8000 samples/s, using 8 bits for quantization. This telephone channels over a communications link. a. what's the required data rate? b. in order to provide answering machine service, the telephone exchange can store 3 minute audio messages of the same quality as that of the telephone channels. how many megabytes of data storage space are needed to store eachof these messages?

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