Orientation-responsive acoustic array control
First Claim
Patent Images
1. An audio device comprising:
- an elongate casing operating in a first orientation and a second orientation different from the first orientation;
an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity;
a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each array being associated with one of a plurality of audio channels, the acoustic drivers operate to acoustically output audio signals in a first frequency range;
a controller that modifies at least one of the acoustic interference arrays in response to a change in the orientation detected by the orientation input device by selecting a first plurality of coefficients to configure a plurality of filters in response to determining that the casing is in the first orientation, and selecting a second plurality of coefficients to configure the plurality of filters in response to determining that the casing is in the second orientation; and
a first infrared sensor and a second infrared sensor, wherein;
in response to the casing being positioned in the first orientation, the first sensor is enabled so that it is configured to receive infrared signals from an external control device, and the second sensor is disabled; and
in response to the casing being positioned in the second orientation, the second sensor is enabled so that it is configured to receive infrared signals from the external control device, and the first sensor is disabled.
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Abstract
An audio device includes a casing configured for operation in a first orientation and a second orientation different from the first orientation, an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity, and a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each of which is associated with one of a plurality of audio channels. The acoustic drivers of the audio device operate in a first frequency range and modify at least one of the acoustic interference arrays in response to a change in the orientation detected by the orientation input device.
31 Citations
27 Claims
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1. An audio device comprising:
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an elongate casing operating in a first orientation and a second orientation different from the first orientation; an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity; a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each array being associated with one of a plurality of audio channels, the acoustic drivers operate to acoustically output audio signals in a first frequency range; a controller that modifies at least one of the acoustic interference arrays in response to a change in the orientation detected by the orientation input device by selecting a first plurality of coefficients to configure a plurality of filters in response to determining that the casing is in the first orientation, and selecting a second plurality of coefficients to configure the plurality of filters in response to determining that the casing is in the second orientation; and a first infrared sensor and a second infrared sensor, wherein; in response to the casing being positioned in the first orientation, the first sensor is enabled so that it is configured to receive infrared signals from an external control device, and the second sensor is disabled; and in response to the casing being positioned in the second orientation, the second sensor is enabled so that it is configured to receive infrared signals from the external control device, and the first sensor is disabled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An audio device comprising:
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a casing capable of operating in a first orientation and a second orientation different from the first orientation; an orientation input device to detect an orientation of the casing relative to the direction of the force of gravity; a plurality of acoustic drivers, each driver operating to acoustically output audio signals in a first frequency range; a controller comprising a plurality of filters having associated filter coefficients, wherein the plurality of acoustic drivers and plurality of filters cooperate to form a plurality of interference arrays, each interference array being associated with one of a plurality of audio channels, and wherein the controller changes at least one filter coefficient to change the plurality of interference arrays in response to the orientation of the casing detected by the orientation input device; and a first infrared sensor and a second infrared sensor, wherein; in response to the casing being positioned in the first orientation, the first sensor is enabled so that it is configured to receive infrared signals from an external control device, and the second sensor is disabled; and in response to the casing being positioned in the second orientation, the second sensor is enabled so that it is configured to receive infrared signals from the external control device, and the first sensor is disabled. - View Dependent Claims (10, 11, 12, 13, 14)
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15. An audio system comprising:
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a casing rotatable about an axis between a first orientation and a second orientation different from the first orientation; an orientation input device to detect an orientation of the casing relative to the direction of the force of gravity; a plurality of acoustic drivers disposed on the casing, each acoustic driver operating in a first frequency range, the plurality of acoustic drivers configured to form a plurality of acoustic interference arrays; a subwoofer separate from the casing, the subwoofer comprising at least one acoustic driver to acoustically output audio in a second frequency range lower than the first frequency range, wherein; in response to the casing being in the first orientation, the plurality of acoustic drivers are configured to form at least a first acoustic interference array; and in response to the casing being in the second orientation, the plurality of acoustic drivers are configured to form at least a second acoustic interference array different from the first acoustic interference array; and a first infrared sensor and a second infrared sensor, and wherein; in response to the casing being positioned in the first orientation, the first sensor is enabled so that it is configured to receive infrared signals from an external control device, and the second sensor is disabled; and in response to the casing being positioned in the second orientation, the second sensor is enabled so that it is configured to receive infrared signals from the external control device, and the first sensor is disabled. - View Dependent Claims (16, 17, 18, 19)
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20. An audio device comprising:
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a casing rotatable between a first orientation and a second orientation different from the first orientation; an orientation input device disposed on the casing to detect an orientation of the casing relative to the direction of the force of gravity; a first plurality of acoustic drivers disposed on the casing and configured to form a plurality of acoustic interference arrays, each acoustic interference array being associated with one of a plurality of audio channels, and each acoustic driver of the first plurality of acoustic drivers operating in a first frequency range; a second plurality of acoustic drivers disposed on the casing and operating in a second frequency range, each acoustic driver of the second plurality of acoustic drivers being associated with one of a plurality of audio channels; a controller configured to, based on the detected orientation of the casing, select; filter coefficients to configure a plurality of filters to alter a radiation pattern of at least one of the acoustic interference arrays, and one or more acoustic drivers from the second plurality of acoustic drivers to be enabled for acoustically outputting sounds in the second frequency range. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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Specification