Abstract: Sound reduction includes receiving a reference signal corresponding to undesired sound present in the target space, and producing, based on the reference signal, a cancelling signal representative of the undesired sound present in the target space. Sound reduction further includes producing, based on the cancelling signal, sound to destructively interfere with the undesired sound present in the target space, and delaying at least one of the reference signal and the cancelling signal to reduce or compensate for runtime differences between signal paths that transfer the reference signal to the target space.

Abstract: An earphone signal processing method includes: a signal picked up by a first microphone of an earphone at a position close to a mouth outside an ear canal, a signal picked up by a second microphone of the earphone at a position away from the mouth outside the ear canal and a signal picked up by a third microphone are acquired, the third microphone being in a cavity formed by the earphone and the ear canal; dual-microphone noise reduction is performed on the signals picked up by the first and second microphones to obtain a first intermediate signal; dual-microphone noise reduction is performed on the signals picked up by the second and third microphones to obtain a second intermediate signal; the first and second intermediate signals are fused to obtain a fused voice signal; and the fused voice signal is output.

Abstract: An audio-video correspondence system performs a correspondence analysis between audio and video content. The system obtains video content that includes audio content, the video content comprising a plurality of frames. The system identifies a first set of pixels within the video content associated with changes in pixel values over a first set of frames of the video content. The system subsequently identifies, from the audio content, first audio associated with the first set of frames corresponding to changes in pixel values of the first set of pixels. The system finally assigns the first audio over the first set of frames to the first set of pixels.

Abstract: A system for dynamically updating a head-related transfer function (HRTF) model that is customized to a user. The system receives one or more images of the user captured by one or more imaging devices. The system determines a pose of the user using the one or more captured images. The pose of the user includes a head-torso orientation of the user. The system updates a HRTF model for the user based on the determined pose including the head-torso orientation. The system generates one or more sound filters using the updated HRTF model and applies the one or more sound filters to audio content to generate spatialized audio content. The system provides the spatialized audio content to the user.

Abstract: Systems, methods, and computer-readable media are disclosed for ring-shaped devices with voice integration. In one embodiment, an example device may include an antenna element that at least partially forms an outer surface of the ring-shaped device, an outer shell coupled to the antenna element, an inner shell coupled to the outer shell, a curved battery disposed along a first side of the ring-shaped device, and a flexible printed circuit assembly coupled to the curved battery and disposed along a second side of the ring shaped device.

Abstract: One embodiment provides a method, including: detecting audio being supplied across an electronic communication medium, wherein the audio comprises at least one noise other than a speaker; minimizing the at least one noise by dynamically adjusting a latency of the audio being supplied to a recipient, wherein the minimizing comprises adjusting the latency to a value allowing for a noise cancelling algorithm to minimize the at least one noise; and providing the audio having the minimized at least one noise to the recipient. Other aspects are described and claimed.

Abstract: An electronic device for playing audio information to a user includes a body and an ear insert. The body has a speaker therein. The ear insert includes an integrated fin and sound director. The fin and sound director are oriented opposite one another at opposite ends of the ear insert in a longitudinal direction. The fin and sound director each project beyond the body in the longitudinal direction. The sound director is in audio communication with the speaker to direct sound from the speaker through and out of the sound director.

Abstract: An exemplary mobile edge compute (“MEC”) server implementing an extended reality audio processing system generates a near-field audio data stream and a far-field audio data stream. The near-field audio data stream is configured to be rendered by a near-field rendering system, while the far-field audio data stream is configured to be rendered by a far-field rendering system. The near-field and far-field audio data streams are each representative of virtual sound presented to an avatar of a user experiencing an extended reality world. The MEC server provides the near-field and far-field audio data streams to a media player device separate from the MEC server and implementing the near-field and far-field rendering systems. Specifically, the MEC server provides the audio data streams for concurrent rendering by the media player device as the user experiences the extended reality world using the media player device. Corresponding methods and systems are also disclosed.

Abstract: Embodiments relate to audio processing for opposite facing speaker configurations that results in multiple optimal listening regions around the speakers. A system includes a left speaker and a right speaker in an opposite facing speaker configuration, and a crosstalk cancellation processor connected with the left speaker and the right speaker. The crosstalk cancellation processor applies a crosstalk cancellation to an input audio signal to generate left and right output channels. The left output channel is provided to the left speaker and the right output channel is provided to the right speaker to generate sound including multiple crosstalk cancelled listening regions that are spaced apart.

Abstract: The disclosure relates to an electronic apparatus including: a user input unit; an audio output unit; and a processor configured to identify whether a changing pattern of audio volume levels is present based on a history of the audio volume levels set by a user for a predetermined period of time, perform automatic volume-level control, by which an audio volume level of the audio output unit is controlled based on the changing pattern of the audio volume levels, based on presence of the corresponding pattern, and perform no automatic volume-level control, based on absence of the changing pattern of the audio volume levels.

Abstract: An audio system comprising a control circuit, at least one loudspeaker and at least one subwoofer for reproducing audio signals at low frequencies. The control circuit comprises an input connector and a bass management circuit that comprises a first filter with a low-pass for pre-filtering audio signals for the subwoofer and a second filter for pre-filtering audio signals for the loudspeaker. The loudspeaker comprises a high-pass filter, wherein in a transition frequency range of the amplitude responses of the first filter and the high-pass filter both filters raise or attenuate the audio signals such that the audio system overall, without considering the second filter, has a wavy amplitude response in the transition frequency range. The second filter however comprises at least one parametric filter that is adapted for flattening the amplitude response in the transition frequency range.

Abstract: This application provides a headset accommodating apparatus, a headset, and a portable device. The headset accommodating apparatus includes a base, and an accommodating cavity used to accommodate a headset is formed on the base. The accommodating cavity has a bottom surface, a side wall, and an opening, and has a first end corresponding to a headset head and a second end corresponding to a headset tail. An epitaxial frame that extends toward the second end is formed at an opening of the first end. The apparatus includes a first spring and a sliding block at a side wall of the second end, and the first spring may be compressed in a direction of a connecting line between the first end and the second end. A first end of the sliding block is connected to the first spring, and a protruding part is formed on a second end of the sliding block.

Abstract: A method for acoustic beamforming filter generation may be provided. Applying eigen decomposition to generate a matrix of eigenvectors and a matrix of eigenvalues to solve a pseudoinverse of a matrix of transfer functions. Substituting any eigenvalues in the matrix of eigenvalues that are less than a value of a gain control parameter with the value of the gain control parameter to form a revised matrix of eigenvalues. A matrix of spatial filter coefficients to apply to a sound signal received at least at the first speaker and at the second speaker may be calculated based on the matrix of eigenvectors, the revised matrix of eigenvalues, and a matrix of desired frequency responses.

Abstract: A portable radio includes a printed circuit board, a frame positioned in front of the printed circuit board, a speaker positioned within the frame, a support platform positioned in front of the speaker and the frame, a button positioned in front of the support platform, and electrical components linked between the button and the printed circuit board. The button is movable between a first position where an electrical signal is sent through the plurality of electrical components to the printed circuit board, and a second position where the electrical signal is interrupted.

Abstract: Appropriate audio processing is selected. A signal processing apparatus includes: an audio signal output unit that outputs a plurality of test sounds in a superimposed manner; a controller that prompts a listener to select a test sound having a specific sense of localization out of the plurality of test sounds; a receiver that acquires results of the selection made by the listener; and an audio signal processing unit that performs audio signal processing associated with the results of the selection on an input signal.

Abstract: The present disclosure relates to an audio system and a method of controlling the same. An aspect of the present disclosure is to provide an optimal listening state according to a user setting volume and hardware characteristics of an audio system. The audio system includes a signal inputter configured to receive an input audio signal; a signal processor configure to variably apply a dynamic range for each area of the input audio signal, to apply a scaling of a size corresponding to an inverse number of a boosting gain determined by a user setting volume for the input audio signal, to perform a tone mapping of the input audio signal by applying the boosting gain, to perform signal compensation for the input audio signal by the inverse number of the scaling, and to apply a master volume according to the user setting volume; a storage configured to store parameters used in signal processing of the signal processor; and a signal outputter configured to output the audio signal processed by the signal processor.

Abstract: Described herein is a speakerphone system (system) comprising: at least one loudspeaker, the loudspeaker adapted to generate mechanical vibrations on an enclosure of the system; at least one microphone (mic) adapted to convert an input sound acoustic signal into an input sound electrical signal and adapted to convert the mechanical vibrations into a mechanical vibrations electrical signal, and to output both of the input sound electrical signal and the mechanical vibrations electrical signal as a mic output signal; at least one mechanical vibration sensor (MVS) adapted to convert the mechanical vibrations to a mechanical vibration error signal to output the mechanical vibration error signal as an MVS output signal; and circuitry adapted to subtract the MVS output signal from the mic output signal and output the resultant signal as a speakerphone output signal.

Abstract: The present application provides an electronic device. After a display screen of the electronic device is attached to a screen frame, the display screen extends beyond the screen frame at at least two opposite edges and extends toward the second side of the display screen by taking the screen frame as an axis, and then the display screen is mounted by a mounting structure connected with the screen frame, so that the display screen is kept flat by a tensile force provided to the display screen via the mounting structure.

Abstract: Systems and methods for optimizing network microphone devices using noise classification are disclosed herein. In one example, individual microphones of a network microphone device (NMD) detect sound. The sound data is analyzed to detect a trigger event such as a wake word. Metadata associated with the sound data is captured in a lookback buffer of the NMD. After detecting the trigger event, the metadata is analyzed to classify noise in the sound data. Based on the classified noise, at least one performance parameter of the NMD is modified.

Abstract: Systems and methods for Contextual Audio Detection, wherein Contextual Audio Detection includes detecting specific sounds using Adjustable Parameters and using the output to control audio routing, input parameters, and other features.