1) What is the bit rate that is transmitted by this coder in bits/second? A PCM coder performs an analog‐to‐digital conversion, then transmits the encoded signal over a digital network to a receiver running an equivalent PCM decoder. The PCM encoder runs under the following specifications: - It samples incoming analog signals at 200,000 samples/sec. - It performs uniform quantization on the PAM samples using a –3.2 volt to +3.2 volt scale and 5‐bit quantization
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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1) What is the bit rate that is transmitted by this coder in bits/second? A PCM coder performs an analog‐to‐digital conversion, then transmits the encoded signal over a digital network to a receiver running an equivalent PCM decoder. The PCM encoder runs under the following specifications:
- It samples incoming analog signals at 200,000 samples/sec.
- It performs uniform quantization on the PAM samples using a –3.2 volt to +3.2 volt scale and 5‐bit quantization
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