What do you know about companded quantization?

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- Companded Quantization maps the input through compressor function.

- This function expands the probability to the high level regions.

- These regions are close to the origin.

- These regions are compresses the corresponding lower probability regions that are away from the origin.

- The output of Companded Quantization is resulted by using uniform quantizer.

- An expander function is used to transform the quantized value.
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