Impulse noise suppression device

Details Impulse noise suppression device Impulse noise suppression device

2002-10-08

2008-09-30

Chin, Vivian (Department: 2615)

Pulse or digital communications

Receivers

Interference or noise reduction

C381S094100, C381S094500, C381S071100, C381S071900, C704S226000, C704S227000, C704S228000, C704SE21004

Reexamination Certificate

active

07430255

ABSTRACT:
Digital audio data with error detection bits added thereto is inputted to an error detecting and correcting device (4). The correcting device (4) corrects an error when the error is detected in the digital audio data. The digital audio data outputted from the error detecting and correcting device (4) is inputted to an impulse noise suppressing circuit (6). The suppressing circuit (6) operates for a predetermined time period when the correcting device (4) detects an error.

REFERENCES:
patent: 7-87001 (1995-03-01), None
patent: 07087001 (1995-03-01), None
patent: 9-139980 (1997-05-01), None
patent: 2000-196568 (2000-07-01), None
Applicant's admitted prior art, p. 7, lines 1-2.

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