The bandwidth of code modulator is restricted to 4kHz The input is varies fom -3.8V to 3.8V. The average power of input is 30mW and signal to quantization noise power is 20dB.The modulator give binary output and quantization is uniform find number of bit required per sample pulse
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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