Shenzhen Shokz Co., Ltd.

Shenzhen Voxtech Co., Ltd.

Other

King Tone Innovation (beijing) Technology Co., Ltd.

Qi, Xin

Xin Qi

Fengyun Liao

Lei Zhang

Junjiang Fu

Jinbo Zheng

Bingyan Yan

Qian Chen

Wei Dong Chen

Peigeng Tong

Yongjian Li

Jiang Xu

Tao Zhao

Guolin Xie

Ao Ji

Duoduo Wu

Wenbing Zhou

Yongshuai Yuan

Wenjun Deng

Haofeng Zhang

Liwei Wang

Yujia Huang

Chengqian Zhang

Zhen Wang

Yueqiang Wang

Le Xiao

Hao Chen

Zeying Zheng

Ye Yu

Meilin Zhou

Zhuyang Jiang

Shuailin Xie

Guangyuan Zhu

Chong Wang

Ruixin Han

Gan Lai

Shanyong Gu

Yunbin Chen

Xin Zhou

Yuxiang Zhang

Lei Su

Ting Liu

Xianwei Shi

Meiqi Li

Hongqiang Zhao

Chaowu Li

Yonggen Wang

Xin Fu

Zhiqing Liu

Huifang Tang

Qingyi Wang

Bocheng Li

Qianwen Nie

Hao Ke

Linlin Zhu

Shoubai Yao

Fei Bao

The present disclosure provides a method for voice enhancement, including: obtaining a first signal and a second signal of a target voice, the first signal being a signal of the target voice collected based on a first position, and the second signal being a signal of the target voice collected based on a second position; determining a first coefficient by processing, based on a position of the target voice, the first position, and the second position, the first signal and the second signal; determining, based on the first signal and the second signal, a plurality of parameters related to a plurality of sound source directions; determining, based on the plurality of parameters and the position of the target voice, a second coefficient; and obtaining a voice-enhanced first output voice signal corresponding to the target voice by processing the first signal and/or the second signal.

Methods and systems for voice enhancement

The present disclosure provides a microphone comprising: an acoustoelectric transducer configured to convert an sound signal to an electrical signal; an acoustic structure, the acoustic structure comprising a sound guiding tube and an acoustic cavity, the acoustic cavity being acoustically communicated with the acoustoelectric transducer and acoustically communicated with the outside of the microphone through the sound guiding tube; wherein the acoustic structure has a first resonant frequency, the acoustoelectric transducer has a second resonant frequency, and an absolute value of the difference between the first resonant frequency and the second resonant frequency is not greater than 1000 Hz.

Microphones

The present disclosure discloses an earphone. The earphone may include a hook-shaped component, a connecting component, and a holding component. When the earphone is in a wearing state, the hook-shaped component may be configured to hang between a rear side of an ear of a user and a head of the user. The holding component may be configured to contact a front side of the ear. The connecting component may be configured to connect the hook-shaped component and the holding component and extend from the head to an outside of the head to cooperate with the hook-shaped component to provide the holding component with a pressing force on the front side of the ear.

Earphone

Disclosed is an open earphone, comprising a sound production component and an ear hook. The ear hook may include a first portion and a second portion connected in sequence. The first portion may be hung between the auricle of a user and the head of the user, the second portion may extend toward a front outer side of the auricle and connect the sound production component, and the sound production component may be located close to the ear canal but not block the opening of the ear canal; wherein the sound production component and the auricle may have a first projection and a second projection on a sagittal plane, respectively, a centroid of the first projection may have a first distance from a highest point of the second projection in a vertical axis direction, a ratio of the first distance to a height of the second projection in the vertical axis direction may be within a range of 0.25-0.6, the centroid of the first projection may have a second distance from an end point of the second projection in a sagittal axis direction, and a ratio of the second distance to a width of the second projection in the sagittal axis direction may be within a range of 0.4-0.7.

Open earphones

A bone conduction speaker includes a housing, a vibration board and a transducer. The transducer is located in the housing, and the vibration board is configured to contact with skin and pass vibration. At least one sound guiding hole is set on at least one portion of the housing to guide sound wave inside the housing to the outside of the housing. The guided sound wave interfaces with the leaked sound wave, and the interfacing reduces a sound pressure level of at least a portion of the leaked sound wave. A frequency of the at least a portion of the leaked sound wave is lower than 4000 Hz.

Systems and methods for suppressing sound leakage

The present disclosure provides an acoustic device. The acoustic device may include a housing, a transducer, and a diaphragm. The housing may be configured to form a cavity. The transducer may be arranged in the cavity and connected to the housing. The housing may produce a bone-conduction sound under an action of the transducer. The diaphragm may be connected between the transducer and the housing to divide the cavity into a first cavity and a second cavity. The housing may be provided with at least one pressure relief hole communicating with the first cavity and at least one sound modulation hole communicating with the second cavity. At least a portion of the at least one pressure relief hole and at least a portion of the at least one sound modulation hole may be arranged adjacently. The housing may be further provided with a sound outlet hole communicating with the second cavity. The diaphragm may produce an air-conduction sound transmitted outward through the sound outlet hole during a relative movement of the transducer and the housing.

Acoustic devices

The present disclosure provides an acoustic output device including a speaker assembly. The speaker assembly may include a transducer, a diaphragm, and a housing. A vibration of the diaphragm driven by the transducer may generate an air conduction sound wave. The housing may form an accommodating chamber for accommodating the transducer and the diaphragm. The diaphragm may separate the accommodating chamber to form a first chamber and a second chamber. A sound outlet communicating with the second chamber is arranged on the housing. The air conduction sound wave is transmitted to the outside of the acoustic output device through the sound outlet. A sound guiding channel communicating with the sound outlet is provided on the housing for guiding the air conduction sound wave to a target direction outside the acoustic output device. The length of the sound guiding channel may be less than or equal to 7 mm.

Acoustic output devices

A vibration sensor includes a vibration receiver and an acoustic transducer. The vibration receiver includes a housing and a vibration unit. The housing forms an acoustic cavity. The vibration unit is located in the acoustic cavity and divides the acoustic cavity into a first acoustic cavity and a second acoustic cavity. The acoustic transducer is acoustically connected to the first acoustic cavity. The housing is configured to generate vibration based on an external vibration signal. The vibration unit vibrates in response to the vibration of the housing and transmits, through the first acoustic cavity, the vibration to the acoustic transducer to generate an electrical signal. The vibrating unit includes a mass element and an elastic element. A deviation between cross-sectional areas of the mass element and the first acoustic cavity perpendicular to a vibration direction of the mass unit is less than 25%.

Vibration sensors

The present disclosure provides an acoustic output apparatus. The acoustic output apparatus may include a bone-conduction acoustic assembly, an air-conduction acoustic assembly, and a housing. The bone-conduction acoustic assembly may be configured to generate bone-conduction sound waves. The air-conduction acoustic assembly may be configured to generate air-conduction sound waves. The housing may include an accommodating chamber configured to accommodate the bone-conduction acoustic assembly and the air-conduction acoustic assembly. At least a portion of the housing may be in contact with a user's skin to transmit the bone-conduction sound waves under an action of the bone-conduction acoustic assembly. The air-conduction sound waves may be generated based on vibrations of at least one of the housing or the bone-conduction acoustic assembly when the bone-conduction sound waves are generated.

Acoustic output apparatus

The present disclosure provides a system and method for acoustic device. The acoustic output device may include an earphone core including at least one acoustic driver for outputting sound though one or more sound guiding holes set on the acoustic output apparatus; the acoustic output device may include one or more sensors configured to detect status information of a user of the acoustic output apparatus; the acoustic output device may include a controller configured to cause the at least one acoustic driver to output sound based on the detected status information of the user; the acoustic output device may further include a power source assembly configured to provide electrical power to the earphone core, the one or more sensors, and the controller; and the acoustic output device may further include a flexible circuit board configured to connect at least the earphone core and the power source assembly.

Acoustic output apparatus with multiple sound guide holes and bluetooth low energy reciever

A speaker comprises a housing, a transducer residing inside the housing, and at least one sound guiding hole located on the housing. The transducer generates vibrations. The vibrations produce a sound wave inside the housing and cause a leaked sound wave spreading outside the housing from a portion of the housing. The at least one sound guiding hole guides the sound wave inside the housing through the at least one sound guiding hole to an outside of the housing. The guided sound wave interferes with the leaked sound wave in a target region. The interference at a specific frequency relates to a distance between the at least one sound guiding hole and the portion of the housing.

The present disclosure provides a vibration sensor. The vibration sensor may include a vibration receiver and an acoustic transducer. The vibration receiver may include a housing, a limiter and a vibration unit. The housing and the acoustic transducer may form an acoustic cavity. The vibration unit may be located in the acoustic cavity to separate the acoustic cavity into a first acoustic cavity and a second acoustic cavity. The acoustic transducer may be acoustically connected to the first acoustic cavity. The housing may be configured to generate a vibration based on an external vibration signal. The vibration unit may change an acoustic pressure within the first acoustic cavity in response to the vibration of the housing, such that the acoustic transducer generates an electrical signal. The vibration unit may include a mass element and an elastic element. A first side of the elastic element may be connected around a side wall of the mass element. A second side of the elastic element may be connected with the limiter.

Vibration sensor

The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

The embodiments of the present disclosure provide a signal processing circuit and a signal processing method. The signal processing circuit may include a control circuit, a switch circuit, an analog circuit, and at least two signal acquisition circuits. The at least two signal acquisition circuits may be configured to acquire at least two-channel target signals. The switch circuit may be configured to control conduction between the at least two signal acquisition circuits and the analog circuit, so that the target signal acquired by a part of the at least two signal acquisition circuits may be transmitted to the analog circuit at the same time. The analog circuit may be configured to process the received target signal. The control circuit may be configured to receive the processed target signal and sample the processed target signal.

Signal processing circuits and methods

A voice activity detection method and system and a voice enhancement method and system are provided. A voice presence probability of a target voice signal present in microphone signals may be determined by calculating a linear correlation between a signal subspace where the microphone signals are located and a target subspace where the target voice signal is located. The voice enhancement method and system may be used to calculate filter coefficients based on the voice presence probability, so as to perform voice enhancement on the microphone signals. The calculation accuracy of the voice presence probability is improved, and the voice enhancement effect is also improved.

Voice activity detection method and system, and voice enhancement method and system

Growing community of inventors

Shenzhen, China

Xin Qi