METHOD OF COMPENSATING FOR AUDIO FREQUENCY CHARACTERISTICS AND AUDIO/VIDEO APPARATUS USING THE METHOD
First Claim
1. A method of compensating for audio frequency characteristics of an audio/video (AV) apparatus, the method comprising:
- calculating a listening distance between the AV apparatus and a listener;
calculating a distance between a speaker mounted on the AV apparatus and a neighboring reflective surface;
setting a spatial frequency compensation filter value and a speaker frequency characteristic compensation filter value based on the calculated distances; and
compensating for frequency characteristics of an audio signal by combining the spatial frequency compensation filter value and the speaker frequency characteristic compensation filter value.
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Accused Products
Abstract
A method of compensating for spatial audio frequency characteristics that varies in accordance with a mounting condition of a down firing speaker of an audio/video (AV) apparatus includes calculating a listening distance between the AV apparatus and a listener, calculating a distance between a speaker mounted on the AV apparatus and a neighboring reflective surface, setting a spatial frequency compensation filter value and a speaker frequency characteristic compensation filter value based on the calculated distances, and compensating for frequency characteristics of an audio signal by combining the spatial frequency compensation filter value and the speaker frequency characteristic compensation filter value.
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Citations
22 Claims
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1. A method of compensating for audio frequency characteristics of an audio/video (AV) apparatus, the method comprising:
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calculating a listening distance between the AV apparatus and a listener; calculating a distance between a speaker mounted on the AV apparatus and a neighboring reflective surface; setting a spatial frequency compensation filter value and a speaker frequency characteristic compensation filter value based on the calculated distances; and compensating for frequency characteristics of an audio signal by combining the spatial frequency compensation filter value and the speaker frequency characteristic compensation filter value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An audio/video (AV) apparatus, comprising:
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channel speaker units to output audio signals; a control unit to extract information on a listening distance between the AV apparatus and a listener, and information on a distance between each of the channel speaker units and a respective neighboring reflective surface thereof, and to set a spatial frequency compensation filter and a speaker frequency characteristic compensation filter of each of the channel speaker units, based on the extracted information; and an audio frequency compensation unit to compensate for frequency characteristics of an audio signal by combining the spatial frequency compensation filter and the speaker frequency characteristic compensation filter which are set by the control unit. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A computer readable recording medium having embodied thereon a computer program to execute a method, wherein the method comprises:
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calculating a listening distance between an audio/video (AV) apparatus and a listener; calculating a distance between a speaker mounted on the AV apparatus and a neighboring reflective surface; setting a spatial frequency compensation filter value and a speaker frequency characteristic compensation filter value based on the calculated distances; and compensating for frequency characteristics of an audio signal by combining the spatial frequency compensation filter value and the speaker frequency characteristic compensation filter value.
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19. An audio/video (AV) apparatus, comprising:
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a channel speaker unit including one or more of a spatial frequency compensation filter and a speaker frequency characteristic compensation filter, and disposed at a predetermined angle off-axis position from a listener; and a control unit to extract information on at least one of a listening distance between the AV apparatus and the listener, and a surface distance between the channel speaker unit and a neighboring reflective surface thereof, wherein the control unit sets, based on the extracted information, the one or more of the spatial frequency compensation filter to compensate for frequency characteristics which vary in accordance with a mounting condition of the channel speaker unit and a speaker frequency characteristic compensation filter to compensate for a high band based on the extracted information. - View Dependent Claims (20, 21)
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22. A method of operating an audio/video (AV) apparatus, the method comprising:
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extracting information on at least one of a listening distance between an AV apparatus and a listener, and a surface distance between a channel speaker unit disposed at a predetermined angle off-axis position from the listener and a neighboring reflective surface thereof, and setting, based on the extracted information, one or more of a spatial frequency compensation filter to compensate for frequency characteristics which vary in accordance with a mounting condition of the channel speaker unit and a speaker frequency characteristic compensation filter to compensate for a high band based on the extracted information.
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Specification