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2. Consider a speech signal with a bandwidth of 12 kHz. the SNR in dB of the received signal? (b) Now assume that the channel

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2. Consider a speech signal with a bandwidth of 12 kHz. the SNR in dB of the received signal? (b) Now assume that the channel transmits at 190 kpbs. What is the SNR in dB of the received signal? (c) What channel speed is needed if an SNR of 30 dB is required? Hint: SNR-6m 7.2 dB, where m is the number of bits of quantization for 2 levels of quantization.]

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