Electronic system having heat dissipation and feed-forward active noise control function and related method

    公开(公告)号:US12002446B2

    公开(公告)日:2024-06-04

    申请号:US17973508

    申请日:2022-10-25

    申请人: ACER INCORPORATED

    摘要: An electronic system includes a fan module, a reference microphone, a micro speaker module, and an active noise cancellation controller. The micro speaker module provides a noise-cancellation signal according to a micro speaker control signal for canceling the noises generated during the operation of the electronic system. The reference microphone outputs a wide-band noise signal associated with the operation of the fan module. The active noise cancellation controller outputs a virtual error signal according to a first transfer function between the reference microphone and a physical microphone when the fan module operates with a predetermined fan speed, a second transfer function between the micro speaker module and the physical microphone when the fan module is not in operation, and the wide-band noise signal. The active noise cancellation controller provides the micro speaker control signal according to a synchronization signal, the wide-band noise signal and the virtual error signal.

    Headphones providing fully natural interfaces

    公开(公告)号:US11252497B2

    公开(公告)日:2022-02-15

    申请号:US16988700

    申请日:2020-08-09

    摘要: Headphone providing fully natural interface are described. According to one aspect of such headphones, the headphones comprises a microphone configured for capturing an ambient sound, a speaker configured for playing audio signals, a command interface configured for receiving one or more external control commands, and a control unit having an ambient sound monitoring function. The control unit captures the ambient sound through the microphone, and automatically causes the headphones to enter an interactive mode when a preset interested sound is detected to appear in the ambient sound. The control unit controls the headphones to output an interactive reminder in the interactive mode, and the interactive reminder comprises one or more of visual reminders, a tactile reminder and an auditory reminder. Thus, interaction between the user and the ambience can be realized in a fully natural interface manner according to user preferences.

    Noise cancellation headphone
    4.
    发明授权

    公开(公告)号:US11100912B2

    公开(公告)日:2021-08-24

    申请号:US16640827

    申请日:2018-08-16

    发明人: Peter McCutcheon

    摘要: A noise cancellation headphone comprises a speaker, a front plate for carrying the speaker, a microphone arranged on or in the front plate, and a front vent opening arranged within the front plate and in close proximity to the microphone. The microphone is usable as a feedback microphone for active noise cancellation.

    MEMS-based bone conduction sensor

    公开(公告)号:US11039254B2

    公开(公告)日:2021-06-15

    申请号:US16661326

    申请日:2019-10-23

    发明人: Jinghua Ye

    摘要: The invention relates to the field of electronic technology, and more particularly, to a microphone structure. A MEMS (Micro-Electro-Mechanical System)-based bone conduction sensor comprises: a closed cavity within which a uniaxial or biaxial accelerometer sensor is arranged to be adjacent to bones of a human ear; an ASIC (application-specific integrated circuit) processing chip coupled to the uniaxial or biaxial accelerometer sensor, the ASIC processing chip being provided with an output end for a vibration signal. By adopting the above-mentioned technical solution, a bone conduction sensor with a closed cavity is provided in the present invention. Furthermore, a uniaxial or biaxial accelerometer sensor and an ASIC processing chip are arranged inside the closed cavity. In this way, the production costs are reduced, and interference of the sensor caused by ambient environment is reduced.

    Hearing protection system with own voice estimation and related methods

    公开(公告)号:US10945073B2

    公开(公告)日:2021-03-09

    申请号:US16505460

    申请日:2019-07-08

    申请人: GN HEARING A/S

    摘要: The present disclosure provides a hearing protection system and a method for estimating a voice signal of a hearing protection system user. The hearing protection system comprises an ear canal microphone for provision of an ear canal input signal; a receiver for provision of an audio output signal; a compensation module for receiving and filtering the ear canal output signal for provision of a compensation signal; and a mixer connected to the ear canal microphone and the compensation module for provision of a voice signal, wherein the compensation module comprises a filter controller, a primary filter and a secondary filter, wherein the primary filter is a static filter, wherein primary filter coefficients of the primary filter are static, and wherein the secondary filter is an adaptive filter, wherein secondary filter coefficients of the secondary filter are controlled by the filter controller based on the voice signal.

    Hearing protector and data transmission device

    公开(公告)号:US10729587B2

    公开(公告)日:2020-08-04

    申请号:US16099406

    申请日:2017-05-05

    摘要: A hearing protector device (9) comprising a controller (11), a memory (14), and a receiver (12) is provided. The controller (11) is configured to be connected to the memory (14), the receiver (12) and an at least one user-notifying device (31) adapted to notify a hearing protector user. The hearing protector device (9) is configured to receive at least one data transmission signal from a data transmission device (20); storing at least one signal parameter; and comparing said data transmission signal to the at least one stored signal parameter. The at least one stored signal parameter is associated with at least one suitable notification; wherein the user-notifying device (31) is configured to, when the signal from the data transmission device (20) matches the signal parameter, present the at least one notification associated to the signal parameter to the hearing protector user. A data transmission device (20) comprising a processor (21) configured to be connected to an external signal receiver (22) and a data device transmitter (23) is also provided, wherein the data transmission device (20) is configured to receive at least one external signal from an external source (40) and transmit a data transmission signal configured to be received by at least one hearing protector device (9).

    Hearing protection system with own voice estimation and related methods

    公开(公告)号:US10462566B2

    公开(公告)日:2019-10-29

    申请号:US16151346

    申请日:2018-10-04

    申请人: GN Hearing A/S

    摘要: The present disclosure provides a hearing protection system and a method for estimating a voice signal of a hearing protection system user. The hearing protection system comprises an ear canal microphone for provision of an ear canal input signal; a receiver for provision of an audio output signal; a compensation module for receiving and filtering the ear canal output signal for provision of a compensation signal; and a mixer connected to the ear canal microphone and the compensation module for provision of a voice signal, wherein the compensation module comprises a filter controller, a primary filter and a secondary filter, wherein the primary filter is a static filter, wherein primary filter coefficients of the primary filter are static, and wherein the secondary filter is an adaptive filter, wherein secondary filter coefficients of the secondary filter are controlled by the filter controller based on the voice signal.

    Methods and devices for attenuating sound in a conduit or chamber

    公开(公告)号:US10418016B2

    公开(公告)日:2019-09-17

    申请号:US15168020

    申请日:2016-05-28

    摘要: Occlusion devices, earpiece devices and methods of forming occlusion devices are provided. An occlusion device is configured to occlude an ear canal, but other biological and non-biological conduits or chambers can be occluded using the devices and methods herein. The occlusion device includes an insertion element and at least one occluding member or element (which can be expandable) disposed on the insertion element. The occluding member is configured to receive a medium via the insertion element and is configured to expand, responsive to the medium, to contact the ear canal. Alternatively, the occluding member is made of a non-Newtonian fluid and can be enclosed by a balloon or not. Physical parameters of the occlusion device are selected to produce a predetermined sound attenuation characteristic over a frequency band. Use of a non-Newtonian fluid provides additional options or variables in customizing or designing a predetermined sound attenuation characteristic.