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A compact disc(CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15kHz. i. If the Nyquist sample are uniformly quantized into L=65,536 levels and then binary-coded, determine the number of binary digits required to encode a sample. ii. If the audio signal has average power of 0.1 W and peak voltage of 1 V. Find the resulting ratio of signal to quantization noise (SQNR) of the uniform quantizer output in part (i).

A compact disc(CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15kHz. i. If the Nyquist sample are uniformly quantized into L=65,536 levels and then binary-coded, determine the number of binary digits required to encode a sample. ii. If the audio signal has average power of 0.1 W and peak voltage of 1 V. Find the resulting ratio of signal to quantization noise (SQNR) of the uniform quantizer output in part (i).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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a. A compact disc(CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15kHz. i. If the Nyquist sample are uniformly quantized into L-65,536 levels and then binary-coded, determine the number of binary digits required to encode a sample. ii. If the audio signal has average power of 0.1 W and peak voltage of 1 V. Find the resulting ratio of signal to quantization noise (SQNR) of the uniform quantizer output in part (i).
Transcribed Image Text:a. A compact disc(CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15kHz. i. If the Nyquist sample are uniformly quantized into L-65,536 levels and then binary-coded, determine the number of binary digits required to encode a sample. ii. If the audio signal has average power of 0.1 W and peak voltage of 1 V. Find the resulting ratio of signal to quantization noise (SQNR) of the uniform quantizer output in part (i).
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