Noise canceller

Details Noise canceller Noise canceller

2007-09-11

2007-09-11

Vo, Don N. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

Reexamination Certificate

active

10483054

ABSTRACT:
If a mode calculating section (52) judges that an inputted modulated signal is nearly in a no-sound state, the interpolation width determined by an interpolation width calculating section (53) is increased, whereas if the mode calculating section (52) judges that the inputted modulated signal contains a lot of high-frequency components, the interpolation width determined by the interpolation width calculating section (53) is decreased.

REFERENCES:
patent: 4501014 (1985-02-01), Bluthgen
patent: 6690805 (2004-02-01), Tsuji et al.
patent: 1069693 (2001-01-01), None
patent: 58-7933 (1983-01-01), None
patent: 6-177786 (1994-06-01), None
patent: 06-177786 (1994-06-01), None
patent: 06177786 (1994-06-01), None
patent: 2001-36420 (2001-02-01), None

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