Consider an audio signal having negligible content above 3.6KHZ. It is desired te transmit this signal using a PCM system. Assumef,= 8kHz, and that the ratio o peak signal power to average quantization noise power at the output needs to b 30 dB. (a) What is the minimum number of uniform quantization levels needed? (b) What is the minimum number of bits per sample needed?

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Consider an audio signal having negligible content above 3.6KHz. It is desired to
transmit this signal using a PCM system. Assumef,= 8kHz, and that the ratio of
peak signal power to average quantization noise power at the output needs to be
30 dB.
(a) What is the minimum number of uniform quantization levels needed?
(b) What is the minimum number of bits per sample needed?
Transcribed Image Text:Consider an audio signal having negligible content above 3.6KHz. It is desired to transmit this signal using a PCM system. Assumef,= 8kHz, and that the ratio of peak signal power to average quantization noise power at the output needs to be 30 dB. (a) What is the minimum number of uniform quantization levels needed? (b) What is the minimum number of bits per sample needed?
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