42.) Output data ratio of an 8-bit PCM-TDM system sampling 24 voice channels, comparing these using µ-Law at the rate of 8 kHz and with a I frame alignment word is (a) 1.2×106 bits/sec (b) 1.4×106 bits/sec (c) 1.6×106 bits/sec (d) 1.8×106 bits/sec
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.
Probability of Error
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