Digital data processing circuit and digital data processing meth

Details Digital data processing circuit and digital data processing meth Digital data processing circuit and digital data processing meth

1998-07-17

2000-03-21

Hoff, Marc S.

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

702190, G06F 1710

Patent

active

060412917

ABSTRACT:
A digital data processing circuit has an inverting circuit for inverting a positive
egative sign of the output data of an encoding circuit. A correcting circuit returns the inverted sign of the data to an original sign of data after decoding. Offset is made for truncation noises caused by the respective filtering operations in the encoding circuit and said decoding circuit. Sound quality is suppressed from degrading without increasing the circuit scale.

REFERENCES:
patent: 5086475 (1992-02-01), Kutaragi et al.
patent: 5212659 (1993-05-01), Scott et al.

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