70results about "Hearing device active noise cancellation" patented technology

A hearing device including a spout configured for wearing on a user's concha or at least partially in a user's ear canal is disclosed. The hearing device includes a speaker having a sound outlet acoustically coupled to an opening of a spout by a speaker sound path, and a sensor having a signal input coupled to the spout opening by a sensor signal path. A partition disposed in the passage of the spout is located between the speaker sound path and the sensor signal path, wherein the partition isolates the sensor signal path from the speaker sound path along at least a portion of the spout passage.

Techniques and apparatuses are described that perform gesture-based control using active acoustic sensing. By transmitting and receiving acoustic signals, a hearable can recognize changes in an acoustic circuit to perform gesture recognition. Gesture recognition involves recognizing a muscle-based gesture and / or an object-based gesture. With gesture recognition, the hearable can support a voice-free and / or hands-free user interface that enables the user to control an operation of the hearable or a computing device that is coupled to the hearable. This voice-free and / or hands-free user interface can provide a discreet and socially acceptable means of controlling an electronic device in a variety of different environments. It can also provide additional accessibility for people with various disabilities or physical restrictions.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive an ambient sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received ambient sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to broadcast the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive a second attenuation function detail from a second in-ear protection device. The processor is configured to calculate a first attenuation function detail and compare the first and second attenuation function details. The performed attenuation function is based on one of the first and second attenuation function details.

A method for rendering output audio via a wearable audio device is provided. The method includes: (1) generating an aware audio signal based on a playback audio signal and an environmental aware signal corresponding to a feedforward microphone; (2) filtering, via an adaptive filter, the aware audio signal to generate an adapted aware signal; (3) generating an acoustic driver signal based on the adapted aware signal and a feedback audio signal corresponding to a feedback microphone; and (4) rendering, via an acoustic driver, output audio based on the acoustic driver signal. The adaptive filter is configured to adapt based on the aware audio signal and the feedback audio signal.

A system and method for removing unwanted vibrational noise is provided. The system can detect, by one or more microphones of the system, at least one audio signal that includes audio content output from at least one speaker and audio data from one or more other sources or caused by the one or more other sources. The other audio data can include determined undesired vibrational noise that causes distortion of the at least one audio signal. The system can determine, by at least one sensor of the system, a subset of the other audio data based in part on determining at least one motion of a user of the system or motion of one or more other users. The system can remove or reduce the undesired vibrational noise from the at least one audio signal to enable output of sound associated with the modification of the at least one audio signal.

To provide earphones with superior noise cancellation accuracy compared to conventional models. [Solution] The earphone comprises an earphone body having a housing in which a speaker unit is incorporated, and an earpiece attached to a roughly cylindrical sound conduit protruding from the housing. The sound conduit has, as separate spaces from each other, sound emission holes for releasing sound emitted from the speaker unit to the earpiece, and a microphone housing for housing a noise-canceling microphone.

A hearing device is disclosed, comprising a grommet configured to be worn on a user's ear or at least partially within the user's ear canal. The hearing device includes a loudspeaker with a sound outlet acoustically coupled to an opening of the grommet via a loudspeaker sound path, a microphone with a sound port acoustically coupled to the opening of the grommet via a microphone sound path, and a distributor comprising a sound port of the microphone as a cover. The distributor includes a sound passage between the sound port of the microphone and an opening of the distributor, the distributor isolating the microphone sound path from the loudspeaker sound path along at least a section of the grommet passage.

Various implementations include hearing assist devices and systems for processing audio signals. In particular implementations, a process includes receiving an input signal via a microphone; performing a sound pressure level (SPL) shift that decreases a gain of the input signal to generate a gain reduced audio signal; amplifying the gain reduced audio signal using dynamic range compression to generate an amplified audio signal; generating a noise reduced amplified signal using active noise reduction that simultaneously processes the input signal; and outputting the noise reduced amplified signal to an electrodynamic transducer.

A wind noise reduction system is provided, including a beamformer, a comparator, and an audio mixer. The beamformer may be an MVDR beamformer and generates a beamformed signal based on a first microphone signal and a second microphone signal. The comparator generates a comparison signal based on the beamformed signal and the wind microphone signal. The comparison signal may be further based on a beamformed energy level of the beamformed signal and a wind energy level of the wind microphone signal. The audio mixer generates an output audio signal based on the beamformed signal, the wind microphone signal, and the comparison signal. The wind noise reduction system may further include a wind microphone corresponding to the wind microphone signal. The wind microphone may be located in a portion of a wearable audio device configured to sit on the wearer's concha.

An ear-worn device may include an adaptive feedback filter and control circuitry. The control circuitry may determine a metric value based on coefficients of the adaptive feedback filter at causal delays (longer than minimum electroacoustic propagation time) and acausal delays (shorter than minimum electroacoustic propagation time). The metric may indicate entrainment degree in the adaptive feedback filter. Based on the metric, the control circuitry may adjust filter parameters and / or signal processing operations to mitigate entrainment effects.

An acoustic signal output device includes a concave reflector with a surface configured as a rotational paraboloid or an approximation thereof, and a first driver unit positioned within the reflector. The reflector has a cutout portion at a part of its open end, providing an aperture to the exterior. The first driver unit emits a first acoustic signal in a first direction and a second acoustic signal in a second, opposing direction. The device is configured such that the attenuation rate of the first acoustic signal between a predetermined first point of arrival and a more distant second point is less than or equal to a predetermined value that is smaller than the attenuation rate due to air propagation alone between the same two points.

An earbud includes a speaker, a communication circuit, multiple microphones, an acceleration sensor, and at least one processor. The earbud is configured to receive, from an external electronic device, a first data signal for identifying at least one filter among multiple filters for audio data output from the multiple microphones. The earbud is configured to identify at least one microphone for mono recording among the multiple microphones based on reception of the first data signal. The earbud is configured to obtain voice data by applying a filter for the mono recording among the multiple filters to a voice signal received from the at least one microphone. The earbud is configured to transmit a second data signal indicating the voice data to the external electronic device.

The present disclosure relates to the technical field of signal processing, and in particular to a whistling sound suppression method, an earphone, a storage medium and a computer program product. The method includes: obtaining an ambient audio signal, the ambient audio signal being a sound signal in a surrounding environment of an earphone; filtering the ambient audio signal according to a preset first filter group to obtain a first audio signal; obtaining an ear canal audio signal, the ear canal audio signal being a sound signal when the first audio signal propagates in an ear canal; and filtering a subsequently obtained ambient audio signal according to a preset second filter group to obtain a second audio signal in response to the ear canal audio signal meets a whistling condition. The present disclosure can effectively suppress the whistling sound.

A hearing aid comprises a forward path comprising a) an input transducer for converting sound (x(n), v(n)) in an environment around the hearing aid to an electric input signal (y(n)) representing said sound; b) a hearing aid processor for processing said electric input signal (y(n)), or a signal originating therefrom (e(n)), and to provide a processed signal (u(n)) based thereon; c) an output transducer for converting said processed signal (u(n)), or a signal originating therefrom (ua(n)), to acoustic stimuli presented to said eardrum of the user. The hearing aid further comprises d) a feedback control system for attenuating or cancelling feedback propagated via a feedback path (H) from an electric input signal to said output transducer to an electric output from said input transducer, the feedback control system comprising d1) a first adaptive filter configured to provide an estimate (v') of said feedback, the first adaptive filter comprising d1.1) a variable filter comprising configurable filter coefficients, for providing a current estimate (v'(n)) of said feedback in dependence of a current variable filter input signal; and d1.2) an adaptive algorithm for providing updated filter coefficients to said variable filter in dependence of first and second algorithm input signals. The first and second algorithm input signals are the feedback corrected input signal (e(n)) and the processed signal (u(n)), respectively. The feedback control system further comprises d2) a first combination unit located in the forward path for combining said current estimate (v'(n)) of feedback with a signal of the forward path and providing a feedback-corrected input signal (e(n)). The current variable filter input signal is a signal comprising said processed signal (u(n)) compensated by the cancellation signal a(n) filtered by the feedback path (H) or its estimate (H'); and said current filter input signal is said electric input signal (y(n)), or a signal originating therefrom (e(n)). A method of operating a hearing aid is further disclosed. The invention may e.g. be used in hearing aids or headsets.

An earphone includes an earphone main body having a housing inside which a speaker unit is incorporated; and an earpiece attached to a substantially cylindrical sound conduit provided to protrude from the housing. The sound conduit includes as mutually independent spaces, a sound emitting hole for emitting a sound emitted from the speaker unit to the earpiece, and a microphone accommodation portion in which a microphone for noise cancelling is accommodated.

[Problem] The problem addressed by the proposed technology is to provide a noise-cancelling headphone device which prevents deterioration in playback frequency characteristics in a high-frequency range while preventing a reduction in a noise component in a low-frequency range. [Solution] According to the proposed technology, the present invention is a noise-cancelling headphone device comprising: a speaker unit 4 comprising a dome-shaped diaphragm 2 having a centre dome 5 and a sub-dome 6; a microphone 31 which detects ambient noise entering the speaker unit; a baffle plate 17 on which the speaker unit is supported and which is provided with sound emission holes 20, 22 which emit playback sound emitted from the speaker unit; and a signal processing circuit which generates a noise cancellation signal generated on the basis of the ambient noise detected by the microphone, wherein an acoustic resistance member 35 is provided at a position opposite the sub-dome 6 of the dome-shaped diaphragm.

The present application discloses personalization of algorithm parameters of a hearing device, wherein a method of personalizing one or more parameters of a processing algorithm used in a processor of a hearing aid for a specific user comprises: performing a predictive test for estimating the hearing ability of a user when the user listens to test signals having different characteristics; analyzing the results of the predictive test of the user and providing a hearing ability measure of the user; selecting a specific processing algorithm of the hearing aid; selecting a cost-benefit function and / or a key value for the specific processing algorithm related to the hearing ability of the user from one or more related psychometric functions according to the characteristics of the test signals; and determining one or more personalization parameters of the specific processing algorithm for the user according to the hearing ability measure and the cost-benefit function.

Described herein is an ear-worn device that may include processing circuitry and control circuitry. The processing circuitry may include neural network circuitry configured to implement one or more first neural network layers or one or more second neural network layers. The control circuitry may be configured to control the processing circuitry to operate using a first configuration or a second configuration. The neural network circuitry may be configured to implement the one or more first neural network layers when the processing circuitry operates using the first configuration, and the first configuration may have a first data processing latency. The neural network circuitry may be configured to implement the one or more second neural network layers when the processing circuitry operates using the second configuration, and the second configuration may have a second data processing latency different from the first data processing latency.

This application relates to the field of audio device technologies, and in particular, to a sound output apparatus. The sound output apparatus includes a housing, a first bracket, a microphone, and a first speaker. The housing is provided with an accommodation space. The first bracket is fastened to the accommodation space of the housing. The first bracket includes a first surface and a second surface that face away from each other. The microphone is fastened to the first surface. The first speaker is fastened to the second surface. The microphone, the first bracket, and the first speaker are stacked in a first direction. The first bracket is used for separate fastening of the microphone and the first speaker, so that the first bracket has little impact on an earphone in the first direction. This helps reduce a size of the earphone in the first direction, to improve compactness of a structure of the earphone, and facilitates assembly, to help improve accuracy and consistency in assembling the earphone.

The apparatus includes noise-reducing headphones having one or more microphones and an acoustic transducer, the one or more microphones configured to generate an input signal; and a controller including one or more processing devices, the controller is configured to process the input signal through one or more noise-reducing filters to generate a noise-reducing signal, compare the input signal with an estimate of the ambient noise to determine whether the energy of the input signal is greater than the estimate of the ambient noise, and if the energy of the input signal is greater than the estimate of the ambient noise by a predetermined amount, suppress changes in the noise-reducing signal, and generate an output signal that at least partially includes the noise-reducing signal, the acoustic transducer is configured to generate an acoustic output in accordance with the output signal.

The disclosure describes an earphone comprising a main housing and a cap. The main housing may comprise an upper portion and a lower portion. A cap may be coupled to upper portion of the main housing. The cap may comprise a sound outlet pipe. The lower portion may comprise a protrusion that extends outward relative to the upper portion to form a stepped structure.

Disclosed herein is an audio system that can be customized by the user (including the developer) and that may allow the user to control more than just the sound levels and may allow the user to select more than one of a few pre-determined settings. Disclosed herein is a development platform that allows manufacturers (including the developers) to test various different parameters, settings, algorithms, functions, processes, accessories, and the like. The development platform allows the manufacturer to simulate the performances from possible options for the audio system, and then load the selected option from the development platform to the audio system. Additionally, the development platform that enables the end user to have the same level of control and ability to access, upload, and control plugins on the end user's device(s).

Embodiments of this application provide a headset noise processing method, an apparatus, and a headset, to implement the desired effect based on a user requirement. The headset has at least two functions of an ANC function, an HT function, or an AH function. The headset includes a first microphone and a second microphone. The first microphone is configured to collect a first signal. The first signal indicates a sound in a current external environment. The second microphone is configured to collect a second signal. The second signal indicates an ambient sound in an ear canal of a user wearing the headset. The headset can be a left earphone or a right earphone. Processing modes or processing strengths of the left earphone and the right earphone may be the same or different. The headset obtains a target mode, where the target mode may be determined based on a scene type of the current external environment; and obtains a second audio signal based on the target mode, the first signal, and the second signal. The target mode is determined based on the scene type of the external environment, so that auditory perception effect can be optimized for the user in real time.

Headphones, characterized by this, that the earphone comprises a sound-generating part, a mounting part and an ear hook, wherein the ear hook connects the sound-generating part to the mounting part, wherein in a worn state the sound-generating part and the mounting part assume a clamping position on two sides of the helix and the sound-generating part lies in a cavum conchae; wherein the system component comprises a first housing and a first microphone arranged in the first housing, wherein the first microphone detects a first sound via a first sound inlet opening on the first housing; wherein the sound-generating part comprises a second housing and a second microphone arranged in the second housing, wherein the second microphone detects a second sound via a second sound inlet opening on the second housing; wherein the ear hook has a plane of symmetry provided in a longitudinal direction of the ear hook, wherein the plane of symmetry passes through a sound inlet end of the second sound inlet opening and a first sound outlet end, respectively, and wherein, in the worn state, the sound inlet end of the second sound inlet opening is located on a side of the second housing facing away from the helix and is closer to the ear hook than the first sound outlet end; and wherein the outer wall surface of the second housing has a third reference point on the plane of symmetry, which is closest to the attachment part, wherein the inner contour of the ear hook has a fourth reference point in an area which, in the worn state, is near the edge of the helix, which is furthest from the third reference point, wherein a fifth reference point, which is furthest from the fourth reference point, is further provided on the outer wall surface of the second housing, and wherein the first sound exit end and the sound entry end of the second sound entry opening are located on both sides of the fifth reference point.

An earphone call noise reduction method, an earphone, and a non-transitory computer-readable medium are provided. The method includes: acquiring a first sound signal inside a human ear through a first microphone and a second sound signal outside the human ear through a second microphone; performing target conversion processing on the first sound signal to obtain a first audio frame and on the second sound signal to obtain a second audio frame; performing adaptive filtering processing on the first audio frame based on the second audio frame to obtain a third audio frame; adjusting the third audio frame according to attribute information to obtain an in-ear resultant sound signal; adjusting the second audio frame according to the attribute information to obtain an out-ear resultant sound signal; and generating a target sound signal by fusing the in-ear resultant sound signal and the out-ear resultant sound signal.

There is provided an acoustic signal output device worn on an auricle, the acoustic signal output device including a housing that emits an acoustic signal, a first wearable portion that holds the housing and is worn on a first auricle portion that is a part of the auricle, and a second wearable portion that holds the housing and is worn on a second auricle portion that is a part of the auricle different from the first auricle portion. However, the first wearable portion includes a first fixing portion that grips or sandwiches an end of the first auricle portion, and / or the second wearable portion includes a second fixing portion that grips or sandwiches an end of the second auricle portion.

A method and corresponding electronic devices dynamically manage volume and active noise cancelation (ANC) modes of operation. The method involves determining, by one or more processors, that an audio output device is delivering audio content to a user while operating in a noise cancelation mode. The method further includes determining, from an audio input device, that the user is enunciating words. The processors then determine whether the words are directed to the audio input device or the environment. When the words are directed to the environment, the processors cause the device to transition from noise cancelation mode to transparency mode while lowering the volume level of the audio content. When the words are directed to the audio input device, the device maintains operation in the noise cancelation mode. The system utilizes various sensors and algorithms to enhance detection accuracy and improve user experience.

The disclosure describes an earphone. The earphone may comprise a main housing, and a sound outlet pipe connected to the main housing. The earphone may also comprise a cap coupled to the main housing and a wing provided around a peripheral side of the main housing. The earphone may also comprise a pressure relief channel communicating with the sound outlet pipe.

An electronic device and a method for audio processing are provided. The method includes the following steps. A sound signal is detected through a feedback microphone. One of a first configuration and a second configuration of a sound parameter is selected to obtain a selected configuration. An audio is output through a speaker according to the selected configuration.

The sound reproduction apparatus according to the present application includes a first microphone for noise cancellation processing performed by a feedback scheme, a second microphone for noise cancellation processing performed by a feedback scheme and having a sound collecting surface in a direction different from that of the sound collecting surface of the first microphone, and an acoustic signal processing unit which generates a noise cancellation signal using a first sound collecting signal obtained by sound collection by the first microphone and a second sound collecting signal obtained by sound collection by the second microphone.