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Problem#2: A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz. |(a) Ifthe Nyquist samples are uniformly quantized into L = 65, 536levels and then binary-coded, determine the number of binary digits required to encode a sample. (b) If the audio signal has average power of 0.1 watt and peak voltage of 1 volt. Find the resulting signal-to-quantization-noise ratio (SQNR) of the uniform quantizer output in part (a). |@ Determine the number of binary digits per second (hit/s) required to encode the audio signal (d) For practical reasons discussed in the text, signals are sampled at a rate well abovethe Nyquist rate. Practical CDs use 44,100 samples per second. If L = 65, 536, determine the number of bits per second required to encode the signal, and the minimum bandwidth required to transmit the encoded signal.

Problem#2: A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz. |(a) Ifthe Nyquist samples are uniformly quantized into L = 65, 536levels and then binary-coded, determine the number of binary digits required to encode a sample. (b) If the audio signal has average power of 0.1 watt and peak voltage of 1 volt. Find the resulting signal-to-quantization-noise ratio (SQNR) of the uniform quantizer output in part (a). |@ Determine the number of binary digits per second (hit/s) required to encode the audio signal (d) For practical reasons discussed in the text, signals are sampled at a rate well abovethe Nyquist rate. Practical CDs use 44,100 samples per second. If L = 65, 536, determine the number of bits per second required to encode the signal, and the minimum bandwidth required to transmit the encoded signal.

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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Problem#2: A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz. (a) Ifthe Nyquist samplesare uniformly quantized into L = 65,536levels and then binary-coded, determine the number of binary digits required to encode a sample. |(b) If the audio signal has average power of 0.1 watt and peak voltage of 1 volt. Find the resulting signal-to-quantization-noise ratio (SQNR) of the uniform quantizer output in part (a). |@ Determine the number of binary digits per second (hit/s)required to encodethe audio signal- (d) For practical reasons discussed in the text, signals are sampled at arate well above the Nyquist rate. Practical CDs use 44,100 samples per second. If L = 65,536, determine the number of bits per second required to encode the signal, and the minimum bandwidth required to transmit the encoded signal.
Transcribed Image Text:Problem#2: A compact disc (CD) records audio signals digitally by using PCM. Assume that the audio signal bandwidth equals 15 kHz. (a) Ifthe Nyquist samplesare uniformly quantized into L = 65,536levels and then binary-coded, determine the number of binary digits required to encode a sample. |(b) If the audio signal has average power of 0.1 watt and peak voltage of 1 volt. Find the resulting signal-to-quantization-noise ratio (SQNR) of the uniform quantizer output in part (a). |@ Determine the number of binary digits per second (hit/s)required to encodethe audio signal- (d) For practical reasons discussed in the text, signals are sampled at arate well above the Nyquist rate. Practical CDs use 44,100 samples per second. If L = 65,536, determine the number of bits per second required to encode the signal, and the minimum bandwidth required to transmit the encoded signal.
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