Orientation-responsive acoustic array control
First Claim
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1. An audio device comprising:
- a casing comprising an array of at least three acoustic drivers, each driver operating in a first frequency range and located along an elongate axis of the casing, the array configured to form a plurality of acoustic interference arrays operating over the first frequency range, each acoustic interference array being associated with one of a plurality of audio channels, the casing positionable between a first orientation and a second orientation different from the first orientation;
an orientation input device to detect the orientation of the casing relative to the direction of the force of gravity;
and a controller that alters a radiation pattern of at least one of the plurality of acoustic interference arrays based on the orientation of the casing detected by the 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,the audio device further comprising a first infrared sensor and a second infrared sensor;
wherein;
in response to the audio device 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 audio device 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.
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Citations
23 Claims
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1. An audio device comprising:
- a casing comprising an array of at least three acoustic drivers, each driver operating in a first frequency range and located along an elongate axis of the casing, the array configured to form a plurality of acoustic interference arrays operating over the first frequency range, each acoustic interference array being associated with one of a plurality of audio channels, the casing positionable between a first orientation and a second orientation different from the first orientation;
an orientation input device to detect the orientation of the casing relative to the direction of the force of gravity; and a controller that alters a radiation pattern of at least one of the plurality of acoustic interference arrays based on the orientation of the casing detected by the 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, the audio device further comprising a first infrared sensor and a second infrared sensor;
wherein;in response to the audio device 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 audio device 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, 9)
- a casing comprising an array of at least three acoustic drivers, each driver operating in a first frequency range and located along an elongate axis of the casing, the array configured to form a plurality of acoustic interference arrays operating over the first frequency range, each acoustic interference array being associated with one of a plurality of audio channels, the casing positionable between a first orientation and a second orientation different from the first orientation;
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10. 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; and a plurality of acoustic drivers disposed on the casing and operable to form a plurality of acoustic interference arrays, each acoustic interference array being associated with one of a plurality of audio channels, the acoustic drivers 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, wherein; the audio device is a portion of an audio system comprising the audio device and a subwoofer comprising a separate casing; and the audio device and the subwoofer cooperate to acoustically output audio received from another device, wherein the subwoofer acoustically outputs a portion of the received audio comprising sounds in a second frequency range lower than the first frequency range; the audio device further comprising a first infrared sensor and a second infrared sensor;
wherein;in response to the audio device 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 audio device 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 (11, 12, 13, 14, 15, 16)
- an elongate casing operating in a first orientation and a second orientation different from the first orientation;
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17. An audio device comprising:
- 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 in a first frequency range; a controller comprising a plurality of filters having associated filter coefficients;
wherein the plurality of acoustic drivers and the plurality of filters cooperate to form a plurality of acoustic interference arrays, each acoustic interference array being associated with one of a plurality of audio channels;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; the audio device further comprising; a subwoofer separate from the casing, the audio device and the subwoofer cooperate to acoustically output audio received from another device; wherein the subwoofer acoustically outputs a portion of the received audio comprising sounds in a second frequency range lower than the first frequency range; and a wireless transmitter to provide the subwoofer with at least sounds in the second frequency range. - View Dependent Claims (18, 19, 20, 21)
- a casing capable of operating in a first orientation and a second orientation different from the first orientation;
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22. An audio system comprising:
- a casing comprising an array of at least three acoustic drivers located along an elongate axis of the casing, each driver operating in a first frequency range,
wherein the casing comprises an elongate shape extending along the axis, and the array of acoustic drivers are disposed on the casing and form a laterally extending row; the array configured to acoustically output audio in a first frequency range and form a plurality of acoustic interference arrays, each acoustic interference array being associated with one of a plurality of audio channels; an orientation input device to detect the orientation of the casing relative to the direction of the force of gravity; a controller that alters the radiation pattern of at least one of the plurality of acoustic interference arrays based on the orientation of the casing detected by the input device; the audio device further comprising; a subwoofer separate from the casing, the subwoofer comprising at least one acoustic driver to acoustically output audio in a second frequency range lower the first frequency range; and a wireless transmitter to provide the subwoofer with audio signals to be acoustically outputted in the second frequency range. - View Dependent Claims (23)
- a casing comprising an array of at least three acoustic drivers located along an elongate axis of the casing, each driver operating in a first frequency range,
Specification