Abstract: A method performed by an electronic device in a room. The method performs an enrollment process in which a spatial profile of a location of an artificial sound source is created and performs an identification process that determines whether a sound event within the room is produced by the artificial sound source by 1) capturing the sound event using a microphone array and 2) determining a likelihood that the sound event occurred at the location of the artificial sound source.

Abstract: A hearing device adapted for being located at or in an ear of a user, or for being fully or partially implanted in the head of a user comprises a) an input unit for providing at least one electric input signal representing sound in an environment of the user, said electric input signal comprising a target speech signal from a target sound source and additional signal components, termed noise signal components, from one or more other sound sources, b) a noise reduction system for providing an estimate of said target speech signal, wherein said noise signal components are at least partially attenuated, and c) an own voice detector for repeatedly estimating whether or not, or with what probability, said at least one electric input signal, or a signal derived therefrom, comprises speech originating from the voice of the user.

Abstract: Audio content coded for a reference speaker configuration is downmixed to downmix audio content coded for a specific speaker configuration. One or more gain adjustments are performed on individual portions of the downmix audio content coded for the specific speaker configuration. Loudness measurements are then performed on the individual portions of the downmix audio content. An audio signal that comprises the audio content coded for the reference speaker configuration and downmix loudness metadata is generated. The downmix loudness metadata is created based at least in part on the loudness measurements on the individual portions of the downmix audio content.

Abstract: In an audio setup including at least one audio device configurable to process audio for a first user of a plurality of user, an identifier may be assigned to a control dataset associated with the audio device, the control dataset including one or more control parameters relating to operation or functions of the audio device. At least a portion of the control dataset may be uploaded to a central depository that is accessible by a plurality of users; and access to the at least a portion of the control dataset in the central depository, by one or more of the plurality of users, may be managed. Access to the central depository may be managed via web-accessed service. Managing access to the at least a portion of the control dataset may include requiring validating any user requesting access to the at least a portion of the control dataset.

Abstract: An apparatus for providing an output signal to an audio transducer comprises: one or more signal paths for receiving respective digital audio input signals, applying respective digital gains, and outputting respective amplified digital audio input signals; one or more inputs for receiving one or more volume parameters associated with the digital audio input signals; converter circuitry, coupled to the one or more signal paths, for converting the one or more amplified digital audio input signals into the analogue domain, and outputting an analogue audio input signal; an analogue gain element, for applying an analogue gain to the analogue audio input signal and outputting the output signal; and a control circuit, coupled to the one or more signal paths, operative to select the analogue gain based on a comparison of the volume parameters and the one or more digital audio input signals as multiplied by the volume parameters, and to select the respective digital gains for each digital audio input signal so that an

Abstract: A method for detecting a prominent tone of an input audio includes establishing a first analysis audio signal based on the input audio signal, establishing a second analysis audio signal based on the input audio signal, wherein an analysis audio signal of the first analysis audio signal and the second analysis audio signal is established by applying an analysis audio filter to the input audio signal, comparing the first analysis audio signal and the second analysis audio signal to obtain an energy level contrast, and determining a representation of the prominent tone by converting the energy level contrast by a contrast-to-frequency mapping function.

Abstract: An example headphone device includes a first earpiece and a second earpiece, each earpiece including a respective antenna at least partially disposed within the earpiece. The headphone device includes a headbow adjustably connecting the first earpiece and the second earpiece, where the first earpiece and second earpiece are each extendable from the headbow, which includes an inner cavity. A cable assembly including a cable extends between the first earpiece and the second earpiece. The cable assembly is at least partially formed from an elastomeric material and is positioned within the inner cavity of the headbow in a resting position such that the cable assembly is extendable within the inner cavity of the headbow from the resting position when one or both of the first and second earpieces are extended from the headbow.

Abstract: According to an example embodiment, a method for processing a spatial audio signal that represents an audio scene, wherein the spatial audio signal is controllable and associated with at least two viewing directions is provided, the method including receiving a focus direction and a focus amount; processing the spatial audio signal by modifying the audio scene so as to control emphasis in, at least in part, a portion of the spatial audio signal in said focus direction according to said focus amount; and outputting the processed spatial audio signal, wherein the modified audio scene enables the emphasis in, at least in part, said portion of the spatial audio signal in said focus direction according to said focus amount.

Abstract: A method for preparing reference signals for an echo cancellation system disposed in a vehicle, comprising the steps of: receiving a plurality of drive signals, each drive signal being provided to an associated transducer of a plurality of acoustic transducers such that the associated acoustic transducer transduces the drive signal into an acoustic signal, filtering each drive signal with a respective filter of a plurality of filters to produce a plurality of filtered signals, wherein each of the plurality of filters approximates a transfer function from an associated acoustic transducer to a microphone disposed within the vehicle such that the plurality of filtered signals each estimate a respective acoustic signal at the microphone; summing together at least a subset of the plurality of filtered signals to produce a summed reference signal; and outputting the summed reference signal to an echo cancellation system.

Abstract: An active noise reduction system and method, and a storage medium are provided. In the system, a first signal acquisition circuitry acquires an external noise signal at a noise cancellation spot, and transmits the acquired external noise signal to a noise control system including a first frequency nonlinear transformation circuitry, a first filter circuitry and an inverter. The first frequency nonlinear transformation circuitry receives the external noise signal, and expands at least one target frequency band of the external noise signal based on a frequency nonlinear transformation mapping function to generate a first transformed external noise signal, the first filter circuitry filters the first transformed external noise signal to generate a filtered external noise signal, and the inverter performs inversion on the filtered external noise signal to generate a noise cancellation signal; and the signal output circuitry receives and outputs the noise cancellation signal to cancel an actual noise.

Abstract: The technology disclosed herein enables ambient noise level determination at an endpoint using a secondary audio capture system for the endpoint. In a particular embodiment, a method includes during a communication session, receiving an audio signal representing sound captured by a secondary audio capture system for an endpoint on the communication session. A primary audio capture system for the endpoint captures voice communications from a user of the endpoint for the communication session. The method further determining an ambient noise level for the endpoint from the audio signal and, in response to determining that the ambient noise level satisfies a loudness criterion, presenting a notification to the user about the ambient noise level.

Abstract: Systems and methods disclosed herein include, determining that a requirement exists to output a system response. In response to determining that a requirement exists to output a system response, (i) setting a system response volume for a first speaker associated with the first networked device and (ii) outputting a system response at the set system response volume via the first speaker associated with the first networked device.

Abstract: A method for routing audio content through an electronic device that is to be worn by a user. The method obtains a communication and determines whether the communication is private. In response to determining that the communication is private, the method drives a bone conduction transducer of the electronic device with an audio signal associated with the communication. In response to determining that the communication is not private, however, the method drives a speaker of the electronic device with the audio signal.

Abstract: An ear-plug device is an in-ear device that presents audio content to an ear canal of a user. The in-ear device includes a body configured to at least partially fit inside the ear canal of the user, and a transducer assembly coupled to the body. The transducer assembly comprises at least one transducer located within the ear canal. The at least one transducer is configured to vibrate a portion of the ear canal to cause the ear canal to create an airborne acoustic pressure wave in the ear canal in accordance with vibration instructions. The airborne acoustic pressure wave corresponds to and is for presentation of the audio content to the user.

Abstract: Disclosed is a noise suppressor for use inside a nozzle and adjacent a nozzle liner. The suppressor can include an inlet with a cross-sectional area larger than that of the nozzle liner outlet. The suppressor can also have an entrance length with a diverging cross-sectional area, and an exit length extending from the entrance length. By incorporating this geometry, the noise suppressor reduces noise and improves performance of the apparatus in which the suppressor is used.

Abstract: 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.

Abstract: An apparatus including circuitry configured for: defining at least one parameter field associated with an input multi-channel audio signals, the at least one parameter field configured to describe at least one characteristic of the multi-channel audio signals; determining at least one spatial audio parameter associated with the multi-channel audio signals; and controlling a rendering of the multi-channel audio signals by processing the input multichannel audio signals using at least the at least one characteristic of the multi-channel audio signals and the at least one spatial audio parameter.

Abstract: An object is to provide a sound collection apparatus capable of collecting a sound with a higher SN rate than before through use of a reflected sound. The sound collection apparatus is installed in a vehicle. The vehicle includes a seat for a passenger to sit on, and a reflective structure that reflects a sound emitted by a passenger sitting in the seat. The sound collection apparatus includes a first microphone arranged at a position where a direct sound that is a sound emitted by the passenger is readily collected, and a second microphone arranged at a position where a reflected sound that is a sound emitted by the passenger and reflected by the reflective structure is readily collected.

Abstract: Systems and methods for providing spatial audio are disclosed herein. In one example, the method includes receiving a first position of a first playback device relative to a user in a listening environment; receiving a second position of a second playback device relative to the user in the listening environment; transmitting, to a media content provider, location data corresponding to the first and second positions; receiving, from the media content provider, virtual media audio content associated with a virtual environment, the virtual media audio content comprising first and second audio signals generated based on the transmitted location data, wherein the generated first and second audio signals include one or more audio cues configured to enable the user to spatially perceive a location of a virtual object within the listening environment; and playing back the first audio signal via the first playback device in synchrony with playing back the second audio signal via the second playback device.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed methods and apparatus for audio equalization based on variant selection. An example apparatus includes a processor to obtain training data, the training data including a plurality of reference audio signals each associated with a variant of music and organize the training data into a plurality of entries based on the plurality of reference audio signals, a training model executor to execute a neural network model using the training data, and a model trainer to train the neural network model by updating at least one weight corresponding to one of the entries in the training data when the neural network model does not satisfy a training threshold.