A compact disc (CD) records audio signals digitally by using PCM. Let the audio signal bandwidth be 15 kHz. a) If the Nyquist samples are uniformly quantized into L = 65,536 levels 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 W and peak voltage of 1 V, find the resulting ratio of signal to quantization noise (SNR = Psig/q,) of the uniform quantizer output in part (a). Give your answer in dB. %3D %3D
A compact disc (CD) records audio signals digitally by using PCM. Let the audio signal bandwidth be 15 kHz. a) If the Nyquist samples are uniformly quantized into L = 65,536 levels 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 W and peak voltage of 1 V, find the resulting ratio of signal to quantization noise (SNR = Psig/q,) of the uniform quantizer output in part (a). Give your answer in dB. %3D %3D
Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
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This is from communication systems
![A compact disc (CD) records audio signals digitally by using PCM. Let the
audio signal bandwidth be 15 kHz.
a) If the Nyquist samples are uniformly quantized into L = 65,536 levels
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 W and peak voltage of 1
V, find the resulting ratio of signal to quantization noise (SNR = Psie/q,)
of the uniform quantizer output in part (a). Give your answer in dB.
%3D
sig!](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73e365ed-485d-47fd-a653-34357f9aae62%2Fe34320c4-50a2-4bf8-96b3-8eed0e7bbf88%2Fr3t76k_processed.png&w=3840&q=75)
Transcribed Image Text:A compact disc (CD) records audio signals digitally by using PCM. Let the
audio signal bandwidth be 15 kHz.
a) If the Nyquist samples are uniformly quantized into L = 65,536 levels
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 W and peak voltage of 1
V, find the resulting ratio of signal to quantization noise (SNR = Psie/q,)
of the uniform quantizer output in part (a). Give your answer in dB.
%3D
sig!
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