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US 9,432,039 B2Granted
Quantization circuit and method for quantizing an input quantity
AssigneeIntel IP Corporation
InventorsAndreas Menkhoff, Mohamed Ibrahim
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Abstract
A quantization circuit includes a quantizer configured to provide a quantized sample using an input quantity and an error estimator configured to determine a quantization error of the quantized sample. An error corrector is configured to correct the quantized sample by a correction value depending on the quantization error.
Claims17
A quantization circuit, comprising:
- a quantizer configured to provide a quantized sample using an input quantity;
- an error estimator configured to determine a quantization error of the quantized sample;
- an error corrector configured to correct the quantized sample by a correction value based on the quantization error;
- wherein the error estimator comprises an error accumulator configured to determine an accumulated error estimation using the quantization error of subsequent quantized samples;
- wherein the error corrector further comprises a correction timer configured to correct every n-th quantized sample using the accumulated error estimation;
- and
- wherein n is an integer variable.
4 more elements
A method for quantization, comprising:
- providing a quantized sample using an input quantity;
- determining a quantization error of the quantized quantity;
- correcting the quantized sample by a correction value based on the quantization error;
- determining an accumulated error estimation using the quantization error of subsequent quantized samples;
- wherein every n-th quantized sample is corrected using the accumulated error estimation;
- and
- wherein n is an integer variable.
4 more elements
A means for quantizing, comprising:
- means for providing a quantized sample using an input quantity;
- means for determining a quantization error of the quantized quantity;
- means for correcting the quantized sample by a correction value based on the quantization error;
- means for determining an accumulated error estimation using the quantization error of subsequent quantized samples;
- wherein every n-th quantized sample is corrected using the accumulated error estimation;
- and
- wherein n is an integer variable.
4 more elements
Dependencies are inferred from the claim text.