H04R2460/05

Method and device for the improved perception of one's own voice

A hearing aid device and a method for operating the hearing aid device. The hearing aid device has an acousto-electrical transducer, a signal processing unit, an electro-acoustic transducer and a unit for recognizing a wearer's own voice. The hearing aid device detects and recognizes the wearer's own voice by way of the recognition unit and, when the wearer's own voice has been detected, operates the signal processing unit with a modified signal processing parameter that is modified such that the sound of the wearer's own voice is improved.

BIOMETRIC, PHYSIOLOGICAL OR ENVIRONMENTAL MONITORING USING A CLOSED CHAMBER
20210174778 · 2021-06-10 · ·

An aural iris includes a lumen and an actuator coupled on or in or to the lumen for at least partially attenuating sound traversing through the lumen by selectively actuating the actuator on and off. Other embodiments are disclosed.

Controlling ambient sound volume

An earpiece includes a feed-forward microphone coupled to the environment outside the headphones, a feedback microphone coupled to an ear canal of a user when the earpiece is in use, a speaker coupled to the ear canal of the user when the earpiece is in use, a digital signal processor implementing feed-forward and feedback noise compensation filters between the respective microphones and the speaker, and a memory storing an ordered sequence of sets of filters for use by the digital signal processor. Each of the sets of filters includes a feed-forward filter that provides a different frequency-dependent amount of sound pass-through or cancellation, which in combination with residual ambient sound reaching the ear results in a total insertion gain at the ear of a user.

METHOD OF DETERMINING A STATUS OF AN ACOUSTIC FEEDBACK PATH OF A HEAD WEARABLE HEARING DEVICE AND A HEAD WEARABLE HEARING DEVICE

A method performed by a hearing device comprising a first housing, a microphone, a speaker, and a first control system configured to control an active vent, the active vent comprising a vent canal and a valve member configured to block the vent canal when the active vent is in the closed state, and to allow passage of air through the vent canal when the active vent is in the open state, comprising: emitting an acoustic signal from the speaker; measuring a first transfer function of an acoustic feedback path between the speaker and the microphone when the active vent is expected to be in the open state; measuring a second transfer function of the acoustic feedback path when the active vent is expected to be in the closed state; and determining a status of the active vent based at least on the first and second measured transfer functions.

Hearing Device Assemblies
20210185463 · 2021-06-17 · ·

An exemplary hearing device assembly is configured to be worn at least partially within an ear canal of a user. The hearing device assembly includes a housing including an output transducer configured to provide an output audio signal representative of sound presented to the user. The housing is configured to be positioned entirely within the ear canal. The hearing device assembly also includes a tube extending from an end of the housing and configured to provide an acoustic pathway from outside the ear canal to the housing, an inner seal extending from the housing, and an outer seal extending from the tube. The inner seal and the outer seal are together are configured to enclose a main volume that surrounds the tube within the ear canal and that is acoustically sealed from an ambient environment of the user.

Compensation of own voice occlusion

A method of equalising sound in a headset comprising an internal microphone configured to generate a first audio signal, an external microphone configured to generate a second audio signal, a speaker, and one or more processors coupled between the speaker, the external microphone, and the internal microphone, the method comprising: while the headset is worn by a user: determining a first audio transfer function between the first audio signal and the second audio signal in the presence of sound at the external microphone; and determining a second audio transfer function between a speaker input signal and the first audio signal with the speaker being driven by the speaker input signal; determining an electrical transfer function of the one or more processors; determining a closed-ear transfer function based on the first audio transfer function, the second audio transfer function and the electrical transfer function; and equalising the first audio signal based on a comparison between the closed-ear transfer function and an open-ear transfer function to generate an equalised first audio signal.

Balanced armature receiver with bi-stable balanced armature

A balanced armature receiver is disclosed that includes a housing and an armature assembly within the housing. The armature assembly includes a first armature portion and a second armature portion. The first armature portion and the second armature portion are operated such that the second armature portion is substantially unstable relative to the first armature portion.

STATE CLASSIFICATION FOR AUDIO ACCESSORIES, AND RELATED SYSTEMS AND METHODS
20210099782 · 2021-04-01 ·

An earphone has a housing and a corresponding user-contact surface configured to urge against a user's anatomy. The housing defines an acoustic chamber and an acoustic port opening from the acoustic chamber. The user-contact surface is complementarily configured relative to the user's anatomy. When the earphone is donned, the user-contact surface forms an acoustic seal between the user-contact surface and the user's anatomy, acoustically coupling the acoustic chamber with the user's ear canal. An acoustic driver is positioned in the housing and acoustically coupled with the acoustic chamber. A microphone transducer acoustically couples with the acoustic port. A processing component is configured to detect a presence or an absence of anti-resonance in a spectral envelope observed by the microphone transducer.

Voice Sensing using Multiple Microphones

A noise cancelling headset includes an earpiece, the earpiece including a feedback microphone, a feed-forward microphone, and an output driver. A first feedback filter receives an input from at least the first feedback microphone and produces a first filtered feedback signal. A first feed-forward filter receives an input from at least the first feed-forward microphone and produces a first filtered feed-forward signal. A first summer combines the first filtered feedback signal and the first filtered feed-forward signal and produces a first output signal. An output interface provides the first output signal as an output from the headset.

Biometric, physiological or environmental monitoring using a closed chamber
10937407 · 2021-03-02 · ·

An aural iris includes a lumen and an actuator coupled on or in or to the lumen for at least partially attenuating sound traversing through the lumen by selectively actuating the actuator on and off. Other embodiments are disclosed.