Signal processing method and apparatus therefor

Details Signal processing method and apparatus therefor Signal processing method and apparatus therefor

1994-07-26

1996-11-12

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341110, H03M 160

Patent

active

055744567

ABSTRACT:
A signal processing method includes steps for converting an input analog signal into a pulse width modulated signal, for converting the pulse width modulated signal into a single-bit digital signal, for digitally processing the converted single-bit digital signal into a processed digital signal and for converting the processed digital signal into an output analog signal. The signal processing method advantageously reduces the required memory capacity of the digital signal processor and permits a simplified circuit configuration to be adopted. Several corresponding apparatuses are also described.

REFERENCES:
patent: 4219879 (1980-08-01), Judell
patent: 4509037 (1985-04-01), Harris
patent: 4608553 (1986-08-01), Ormond
patent: 4910515 (1990-03-01), Iwamatsu
patent: 4965867 (1990-10-01), Tsuchida et al.
patent: 5276764 (1994-01-01), Dent

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