Smart displays, tablets, laptops, and other portable devices often include a camera and a protective cover that enables the user to cover the camera. The cover ensures that the camera view is blocked when cover is set in place in front of the camera. In such devices, placement of the cover in a manner that covers a device microphone can interfere with the functioning of the microphone. This disclosure provides a solution that overcomes the microphone interference problem caused by inadvertent placement of the cover in a manner that blocks or interferes with a device microphone. The camera cover is made of optically opaque and acoustically transparent cover such that it blocks the camera view when placed in front of the device camera without blocking audio signals when placed in front of the device microphone.
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Anonymous, "Acoustically Transparent Camera Cover For Smart Devices", Technical Disclosure Commons, (September 11, 2020)