700 Mbyte CD is used to store PCM voice data. Suppose that a CT voice signal is sampled at 8 ksamples/s, and each sample is encoded into a 12-bit. How many minutes of the voce signal can be stored (as PCM data) in this CD disk?
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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5. A 700 Mbyte CD is used to store PCM voice data. Suppose that a CT voice signal is sampled at 8 ksamples/s, and each sample is encoded into a 12-bit. How many minutes of the voce signal can be stored (as PCM data) in this CD disk?
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