| 摘要 |
A NOISE SUPPRESSION APPARATUS SUPPRESSES NOISE OF A LUMINANCE SIGNAL, FOR EXAMPLE, AT A FRINGE OF AREA OF RECEPTION IN A TELEVISION RECEIVER. THE NOISE SUPPRESSION APPARATUS INCLUDES A TUNER CIRCUIT (101), AN INTERMEDIATE FREQUENCY AMPLIFICATION CIRCUIT (102), A VIDEO DETECTION/AMPLIFICATION CIRCUIT (103) AN AGC DETECTION/AMPLIFICATION CIRCUIT (104), AN RF AGC CIRCUIT (105) A SOUND/CHROMINANCE SIGNAL SEPARATION CIRCUIT (106), A LUMINANCE SIGNAL PROCESSING CIRCUIT (109), AND A LUMINANCE SIGNAL NOISE SUPPRESSION CIRCUIT (112).
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