PLEASE SHOW ALL WORK 5. Consider an audio signal with spectral components in the range 300 to 3000 Hz. Assume that a sampling rate of 8000 samples/sec will be used to generate a PCM signal. For SNR = 50 dB a) What is the number of uniform quantization levels needed? b) What data rate is required?
Quantization and Resolution
Quantization is a methodology of carrying out signal modulation by the process of mapping input values from an infinitely long set of continuous values to a smaller set of finite values. Quantization forms the basic algorithm for lossy compression algorithms and represents a given analog signal into digital signals. In other words, these algorithms form the base of an analog-to-digital converter. Devices that process the algorithm of quantization are known as a quantizer. These devices aid in rounding off (approximation) the errors of an input function called the quantized value.
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This topic is widely taught in many undergraduate and postgraduate degree courses of:
PLEASE SHOW ALL WORK
5. Consider an audio signal with spectral components in the range 300 to 3000 Hz. Assume that a sampling rate of 8000 samples/sec will be used to generate a PCM signal. For SNR = 50 dB
a) What is the number of uniform quantization levels needed?
b) What data rate is required?
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