Signal processing apparatus, signal recording apparatus, and sig

Details Signal processing apparatus, signal recording apparatus, and sig Signal processing apparatus, signal recording apparatus, and sig

1997-04-22

1998-11-10

Hoff, Marc S.

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

375242, H05M 302

Patent

active

058350438

ABSTRACT:
A signal processing circuit for equalizing includes circuitry for down-sampling an original signal of a one-bit digital signal having a sampling frequency fs (Hz) to a lower sampling frequency used for converting the signal into a multi-bit signal, extracting a given band from the multi-bit signal, equalizing the extracted band, over-sampling the equalized band through the effect of an interpolation filter for converting it to a multi-bit signal, and adding the over-sampled multi-bit signal to the original signal delayed by a given time.

REFERENCES:
patent: 5341135 (1994-08-01), Pearce
patent: 5512898 (1996-04-01), Norsworthy et al.
patent: 5561424 (1996-10-01), Norsworthy et al.
patent: 5568142 (1996-10-01), Velazquez et al.
patent: 5585802 (1996-12-01), Cabler et al.

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