APPARATUS AND METHOD FOR PROVIDING A FREQUENCY RESPONSE FOR AUDIO SIGNALS
    4.
    发明申请
    APPARATUS AND METHOD FOR PROVIDING A FREQUENCY RESPONSE FOR AUDIO SIGNALS 审中-公开
    提供音频信号频率响应的装置和方法

    公开(公告)号:US20150010173A1

    公开(公告)日:2015-01-08

    申请号:US14133092

    申请日:2013-12-18

    IPC分类号: H04R17/00 H04R1/02

    摘要: An apparatus includes a housing and a piezoelectric element coupled to the housing. The apparatus also includes an electromagnetic element coupled to the housing. The piezoelectric element is configured to convert first signals within a first frequency band into first sound waves by vibrating a first portion of the housing. The electromagnetic element is configured to convert second signals within a second frequency band into second sound waves by vibrating the first portion of the housing and a second portion of the housing.

    摘要翻译: 一种装置包括壳体和联接到壳体的压电元件。 该装置还包括耦合到壳体的电磁元件。 压电元件被配置为通过振动壳体的第一部分来将第一频带内的第一信号转换成第一声波。 电磁元件被配置为通过振动壳体的第一部分和壳体的第二部分来将第二频带内的第二信号转换成第二声波。

    Feedback control for calibration of display as sound emitter

    公开(公告)号:US11450305B2

    公开(公告)日:2022-09-20

    申请号:US16796534

    申请日:2020-02-20

    摘要: 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.

    Sound leak cancellation for display as sound emitter

    公开(公告)号:US11238840B2

    公开(公告)日:2022-02-01

    申请号:US16796515

    申请日:2020-02-20

    摘要: Aspects of the disclosure relate to using a display as a sound emitter and may relate to an electronic device including a display and for sound leak cancellation. A vibration sensor such as an accelerometer is physically coupled to the display and senses the display vibration to provide a signal representing actual acoustic output from the display. The electronic device includes a first actuator physically coupled to the display and configured to cause vibration of the display in response to a first audio signal. The electronic device further includes the vibration sensor configured to output a vibration sensor signal proportional to the vibration of the display. The electronic device further includes a second actuator physically coupled to a portion of the electronic device different from where the first actuator is physically coupled to the display and configured to cause vibration of the portion in response to a second audio signal.

    Method and apparatus for audio signal equalization

    公开(公告)号:US11026038B2

    公开(公告)日:2021-06-01

    申请号:US16567461

    申请日:2019-09-11

    摘要: A device to perform audio signal equalization includes one or more processors configured to receive impulse response data corresponding to multiple audio channels. Each audio channel is associated with a corresponding microphone of multiple microphones of an audio device and indicative of sound propagation from one or more speakers of the audio device to the corresponding microphone. The one or more processors are configured to generate equalization filter data that is based on the impulse response data and that is indicative of multiple equalization filters. Each of the equalization filters is associated with a corresponding audio channel of the multiple audio channels. The one or more processors are also configured to process the equalization filter data to determine a playback equalization filter to be applied to an audio playback signal prior to playout at the one or more speakers.