Neural network quantizer

Details Neural network quantizer Neural network quantizer

1991-08-15

1992-10-20

Hoff, Marc

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341155, 341200, H03M 134

Patent

active

051573997

ABSTRACT:
A neural network quantizer for quantizing input analog signals includes a plurality of multi-level neurons. The input analog signals are sampled and supplied to respective ones of the multi-level neurons. Output values of the multi-level neurons are converted into analog values, weighted by weighting coefficients determined in accordance with a frequency band of at least one frequency component of the input analog signals and fed back to the respective one of the multi-level neurons and to the other multi-level neurons. The weighted analog values fed back are compared with the respective ones of the sampled input analog signals. The output values of the multi-level neurons are corrected in response to the compared results, and when the compared results are converged within a predetermined range, the output values of the multi-level neurons are produced to quantize the input analog signals.

REFERENCES:
patent: 4926180 (1990-05-01), Anastassiou

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