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assigning discrete integer values to PAM sample inputs
Encoding the sign and magnitude of a quantization interval as binary digits
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What is the Different between sampling and quantization?
Sampling Discritizes in time Quantization discritizes in amplitude
What is an ideal quantization error?
The ideal Quantization error is 2^N/Analog Voltage
What is the difference between uniform quantization and non uniform quantization?
one syllable LOL
What are the types of scalar quantization?
There are two types of quantization .They are, 1. Truncation. 2.Round off.
What does companding involve?
Compressing a voice signal sample into segments prior to quantization and expanding it it its original size once transmitted Compressing larger signals more than smaller signals
What is the relationship between quantisation noise and bandwidth in pcm systems?
Quantization noise is a model of quantization error introduced by quantization in the analog-to-digital conversion(ADC) in telecommunication systems and signal processing.
Sampling frequency doubles then quantization noise?
quantisation noise decrease and quantization density remain same.
What is the effect of quantization on image?
You get Jaggies
What are advantages of vector quantization?
Vector quantization lowers the bit rate of the signal being quantized thus making it more bandwidth efficient than scalar quantization. But this however contributes to it's implementation complexity (computation and storage).
Suppose that the quality of a phone signal degrades due to quantization noise once it is digitized?
assigning too few quantization intervals during sampling of the signal
If sampling frequency doubles then quantization noise?
reduces
What is logarithmic quantizer or quantization?
In logarithmic quantization, one does not quantize the incoming signal but log of it to maintain signal to noise ratio over dynamic range. Dr Inayatullah Khan
