FEEDBACK CONTROL FOR CALIBRATION OF DISPLAY AS SOUND EMITTER

    公开(公告)号:US20200275222A1

    公开(公告)日:2020-08-27

    申请号:US16796534

    申请日:2020-02-20

    Abstract: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display. In particular a vibration sensor such as an accelerometer is physically coupled to the display and senses display vibration to provide a high accuracy feedback loop with respect to representing actual audio output from the display. The electronic device includes an actuator physically coupled to the display and configured to cause vibration of the display in response to an audio signal. The electronic device further includes a vibration sensor physically coupled to the display and configured to output a vibration sensor signal proportional to the vibration of the display due to the actuator. The electronic device further includes a processor operably coupled to the vibration sensor. The processor is configured to adjust the audio signal based on the vibration sensor signal from the vibration sensor.

    SIGNAL GENERATION FOR ACCURATE HAPTIC FEEDBACK

    公开(公告)号:US20210223865A1

    公开(公告)日:2021-07-22

    申请号:US16747339

    申请日:2020-01-20

    Abstract: Various aspects of the present disclosure generally relate to haptic feedback. In some aspects, a device may receive an input identifying a one-cycle induced acceleration waveform associated with a haptic device, a resonant frequency associated with the haptic device, and a target acceleration waveform for the haptic device. The device may determine a plurality of weights based at least in part on the input. The device may generate a playback waveform based at least in part on the plurality of weights. The device may provide the playback waveform as input to the haptic device. Numerous other aspects are provided.

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