Uniform and nonuniform quantization in digital communication
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There are two types - Uniform Quantization and Non-uniform Quantization.
In Uniform Quantization, the levels are uniformly spaced. And where the space is not equal and relation between them in logarithmic, it is called Non-Uniform Quantization.
Again in the Uniform Quantization, we have two – Mid-Rise and Mid-Tread type.
When the origin lies in the middle of the raising part of the stair-case like graph, it is called Mid-Rise type. It has even number of quantization levels.
While the origin lies in the middle of the tread of the stair-case like graph, it is called Mid-tread type. It has odd number of quantization levels.
Both the types of uniform quantizers are symmetric about the origin.
In Uniform Quantization, the levels are uniformly spaced. And where the space is not equal and relation between them in logarithmic, it is called Non-Uniform Quantization.
Again in the Uniform Quantization, we have two – Mid-Rise and Mid-Tread type.
When the origin lies in the middle of the raising part of the stair-case like graph, it is called Mid-Rise type. It has even number of quantization levels.
While the origin lies in the middle of the tread of the stair-case like graph, it is called Mid-tread type. It has odd number of quantization levels.
Both the types of uniform quantizers are symmetric about the origin.
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