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94results about "Loudspeaker spatial/constructional arrangements" patented technology

Systems and methods for tuning based on furniture configuration

An electronic furniture assembly of the present invention includes: (i) a furniture assembly comprising: (A) a base (e.g., a seat portion), (B) at least one transverse or upright member (e.g., a side, armrest or backrest), and (ii) a speaker system mounted within one or more portions of the furniture assembly. A method of tuning a speaker of an audio-enhanced furniture system includes presenting a user with predetermined tuning profiles corresponding to a plurality of configuration footprint shapes in which the furniture assembly can be assembled and in response to a user selection of a given configuration footprint shape, tuning the speaker system according to the tuning profile selected by the user.
Owner:THE LOVESAC CORP

Display device

ActiveCN114071310Bimprove sound qualityprevent or reduce interferenceTelevision system detailsHousing of computer displaysDisplay deviceTesting Methods
A display device includes: a display panel comprising a first area and a second area; a sound generator disposed on the display panel in at least one of the first area and the second area; a dividing member disposed on the display panel at the boundary between the first area and the second area and extending in a predetermined direction; and a blocking member disposed on the display panel in at least one of the first area and the second area and spaced apart from the dividing member.
Owner:SAMSUNG DISPLAY CO LTD

Loudspeaker arrangement and method for manufacturing a loudspeaker arrangement

The invention relates to a loudspeaker arrangement (1) for stereophonic reproduction of acoustic signals, comprising a front loudspeaker unit (3) with a front radiation axis (4) that can be directed towards a target listening area, a left loudspeaker unit (6) with a left radiation axis (7) oriented in a horizontal projection plane transverse to the front radiation axis, and a right loudspeaker unit (9) with a right radiation axis (10) oriented in the horizontal projection plane transverse to the front radiation axis, wherein the front loudspeaker unit (3) and the left loudspeaker unit (6) are connected in series in a left audio channel (L) of the loudspeaker arrangement (1), and the front loudspeaker unit (3) and the right loudspeaker unit (9) are connected in series in a right audio channel (R) of the loudspeaker arrangement (1).To provide a novel and compact loudspeaker arrangement (1), it has a rear loudspeaker unit (16) with a rear radiation axis (17) directed away from the target area, wherein the rear loudspeaker unit (16) and the left loudspeaker unit (6) are connected in series in the left audio channel (L) of the loudspeaker arrangement (1), and the rear loudspeaker unit (16) and the right loudspeaker unit (9) are connected in series in the right audio channel (R) of the loudspeaker arrangement (1), and wherein the left loudspeaker unit (6), the right loudspeaker unit (9) and the rear loudspeaker unit (16) are connected with the same polarity, and the front loudspeaker unit (3) is connected with opposite polarity to the left loudspeaker unit (6), the right loudspeaker unit (9) and the rear loudspeaker unit (16).
Owner:BEHRING SASCHA

Magnetic reorientation for securing playback devices

PendingUS20260147526A1Docking-station type assembliesCircuit arrangementsMagnetic polesMagnetic polarity
A system for magnetic reorientation is provided to secure and align devices during wireless charging. The system comprises a first device and a second device. The first device includes a power transfer coil configured to transfer power inductively between the first device and the second device; and one or more dock magnets configured to align and secure the second device to the first device during power transfer, wherein the one or more dock magnets are configured to provide reorientation of magnetic polarity based on a magnetic polarity orientation of one or more device magnets located in the second device. The first device is compatible with a plurality of device types including a first device type having a first magnet orientation and a second device type having a second magnet orientation, and the one or more dock magnets are configured to reorient based on the magnet orientation of the first device.
Owner:SONOS INC

Speaker assembly, seat, and electronic device

The disclosure relates to the technical field of sound-electricity conversion, and discloses a speaker assembly, a seat, and an electronic device, which can realize directional sound emission of audio and has a simple structure. The speaker assembly includes a mounting body, a plurality of dipole speaker units, and a control unit. The plurality of dipole speaker units are disposed inside the mounting body and are configured to form a dipole sound source to achieve directional sound emission. The control unit is electrically connected with each dipole speaker unit of the plurality of dipole speaker units and configured to control at least one control parameter for the dipole speaker unit of the plurality of dipole speaker units to adjust a sound field of the dipole speaker unit in a preset region.
Owner:AAC ACOUSTIC TECH (SHANGHAI) CO LTD

Speaker arrangement structure and speaker arrangement method

To improve the sense of direction in audio for 3D content. [Solution] The speaker arrangement structure according to the present invention is a speaker arrangement structure that arranges speakers around a user, and comprises a first speaker group and a second speaker group. The first speaker group is arranged at the vertices of a regular polyhedron located on a sphere centered on the user's head. The second speaker group is arranged on the sphere at equal intervals from adjacent vertices of the regular polyhedron on which the first speaker group is arranged.
Owner:DENSO TEN LTD

Adaptive control of loudspeaker directivity and adaptive sweetspot compensation

Aspects provide methods of audio reproduction including determining dynamic position information including positions of one or more loudspeakers and / or a listener within the local reproduction system relative to a reference point. A method includes automatically applying one or more adaptive sweetspot parameters to an audio signal based on the dynamic position information and automatically controlling a directivity of the one or more loudspeakers based on the dynamic position information and the one or more adaptive sweetspot parameters. A method includes determining a directivity of the loudspeaker within the local reproduction system based on the dynamic position information and automatically enabling or disabling an adaptive sweetspot function based on the directivity of the loudspeaker. The methods include rendering the corrected audio signal to the local reproduction system based on the directivity of the one or more loudspeakers and the adaptive sweetspot parameters.
Owner:BANG & OLUFSEN AS

Spatial audio for interactive audio environments

To provide a system and method for presenting spatial audio for suitable interactive audio environments.SOLUTION: Provided is an audio mixing system 800 for presenting an output audio signal to a listener located at a first location in a virtual environment. For each sound source of a plurality of sound sources 810 in the virtual environment, a respective first intermediate audio signal corresponding to an input audio signal is determined based on a location of the respective sound source in the virtual environment and the respective first intermediate audio signal is associated with a first bus 840. For each sound source of the plurality of sound sources in the virtual environment, a respective second intermediate audio signal is determined. The respective second intermediate audio signal corresponds to reverberation of the input audio signal in the virtual environment, is determined based on the location of the respective sound source and further based on an acoustic property of the virtual environment, and is associated with a second bus 830. The output audio signal is presented to the listener via the first bus and the second bus.SELECTED DRAWING: Figure 8
Owner:MAGIC LEAP INC

Intelligent audio device and automatic lifting / lowering control method for sound column

PCT designated stageWO2026108185A1MicrophonesLoudspeaker screensMechanical engineeringSound post
An intelligent audio device and an automatic lifting / lowering control method for a sound column. The intelligent audio device comprises a sound column assembly, a housing, and a driving assembly; the housing is provided with at least one first accommodating position; one end of the first accommodating position extends to the outer wall of the housing to form a first opening; the driving assembly is connected to the sound column assembly, and the driving assembly can drive the sound column assembly to reciprocate between a first position and a second position; when the sound column assembly is located at the first position, the sound column assembly is located in the first accommodating position; and when the sound column assembly is located at the second position, the sound column assembly is at least partially located outside the first accommodating position. The intelligent audio device can drive, by means of the driving assembly, the sound column assembly to move and reciprocate between the first position and the second position, and is convenient to use and has good stability.
Owner:GUANGDONG TAIDE ZHILIAN TECH CO LTD

Adaptive control of loudspeaker directivity and adaptive sweetspot compensation

Aspects provide methods of audio reproduction including determining dynamic position information including positions of one or more loudspeakers and / or a listener within the local reproduction system relative to a reference point. A method includes automatically applying one or more adaptive sweetspot parameters to an audio signal based on the dynamic position information and automatically controlling a directivity of the one or more loudspeakers based on the dynamic position information and the one or more adaptive sweetspot parameters. A method includes determining a directivity of the loudspeaker within the local reproduction system based on the dynamic position information and automatically enabling or disabling an adaptive sweetspot function based on the directivity of the loudspeaker. The methods include rendering the corrected audio signal to the local reproduction system based on the directivity of the one or more loudspeakers and the adaptive sweetspot parameters.
Owner:BANG & OLUFSEN AS

Apparatus for rendering audio objects according to imposed speaker zone constraints, corresponding method and computer program product

ActiveEP4543049B1Pseudo-stereo systemsLoudspeaker spatial/constructional arrangements
Improved tools for authoring and rendering audio reproduction data are provided. Some such authoring tools allow audio reproduction data to be generalized for a wide variety of reproduction environments. Audio reproduction data may be authored by creating metadata for audio objects. The metadata may be created with reference to speaker zones. During the rendering process, the audio reproduction data may be reproduced according to the reproduction speaker layout of a particular reproduction environment.
Owner:DOLBY LABORATORIES LICENSING CORP

Method and system for replicating headphone sound using frontal and supplementary speakers

A method for replicating headphone sound using frontal and supplementary speakers in an audio system. The method includes positioning a pair of frontal stereo speakers and a pair of supplementary speakers near a user's ears in a predetermined configuration, adding delay to either the pair of frontal speakers or the pair of supplementary speakers, playing test audio signals through the pair of frontal stereo speakers and supplementary speakers, measuring interaural level differences (ILD) at the user's ears across a frequency range of about 1 kHz to about 10 kHz to obtain a measured ILD, comparing the measured ILD to a generic ILD that represents a headphone-like spatial audio effect, deriving a set of equalization (EQ) settings for the pair of supplementary speakers to reduce differences between the measured ILD and the generic ILD, and storing the set of EQ settings for use in the audio system.
Owner:CREATIVE TECHNOLOGY LTD

Dynamic sound output adjustment based on environmental detection

Disclosed herein are system, apparatus, article of manufacture, method and / or computer program product embodiments, and / or combinations and sub-combinations thereof, for dynamically adjusting sound output of a multi-speaker configuration of a display device. The adjustment may be performed to optimize the sound output based on the physical position of the display device in relation to one or more microphones within a physical environment. An example embodiment operates by the speakers within the display device emitting calibration sound waves and receiving sound data associated with the calibration sound waves. The sound data includes characteristics of the calibration sound waves within the physical environment. The display device may then adjust sound output of speakers within the multi-speaker configuration based on the sound output characteristics.
Owner:ROKU INC

Audio system

The system provides an "audio system" that outputs audio to each user in a way that prevents one user from hearing the music the other user is listening to. [Solution] The system includes a crosstalk detection unit 1 that extracts the component of the second audio signal output to the second seat speaker from the microphone output as a crosstalk signal, a noise detection unit 2 that extracts the component of the microphone output that does not include the component of the second audio signal or the component of the output sound of the first seat speaker but includes a noise component as a noise signal, a band-by-band gain adjustment unit 4 that adjusts the gain of the second audio signal output to the second seat speaker, and a gain calculation unit 3 that calculates the gain adjustment amount of the band-by-band gain adjustment unit 4 based on the magnitudes of the crosstalk signal and the noise signal, so that the level of the crosstalk signal is less than or equal to the level of the noise signal.
Owner:ALPS ALPINE CO LTD

Multichannel audio system

This system provides a multi-channel audio experience that allows you to enjoy high-quality multi-channel audio without overwhelming the room with speakers. [Solution] The system comprises an audio device 1 that reproduces and outputs multi-channel audio data as audio signals for multiple channels, and multiple speakers 2-1 to 2-7, each corresponding to one of these multiple channels. The multiple speakers 2-1 to 2-7 are installed on the ceiling and each emits the audio signal for its corresponding channel, which is output from the audio device 1. Here, the speakers 2-1 to 2-7 corresponding to channels other than the height channels are configured such that the audio signal emitted from them reflects off the wall and reaches the listening point P from a direction determined relative to their corresponding channel.
Owner:D & M HOLDINGS INC

Audio transmission system and method

An audio transmission system includes: one or more loudspeakers, each of the one or more loudspeakers configured to radiate sound corresponding to a sound signal to at least one of two listening positions associated with a user of the respective system, each of the two listening positions being located at the entrance of the ear canal of the respective user; and a microphone configured to capture speech originating from a user associated with the respective system, wherein the system is configured to: capture a first speech signal originating from the user associated with the system via the microphone; compress the first speech signal via a codec of a first type to obtain a first compressed speech signal; receive a first audio signal from a signal source, wherein the signal source is different from the microphone; transmit the first compressed audio signal via a first communication channel; and transmit the first audio signal or a compressed version of the first audio signal via the first communication channel or via a second communication channel.
Owner:HARMAN BECKER AUTOMOTIVE SYST GMBH

Spatial audio localization for headrest speakers using additional cues

An in-car audio system, may include at least one vehicle speaker arranged in a vehicle headrest behind an occupant and configured to transmit audio signals to the associated occupant, the at least one vehicle speaker including a pair of speakers configured to provide binaural audio signals to the associated occupant; at least one visual indicator arranged within a vehicle cabin at a first location and configured to provide a visual cue to the occupant; a processor programmed to instruct the speaker to emit an audio signal perceived at the first location, and instruct the at least one visual indicator to concurrently illuminate with the audio signal to provide visual reinforcement to the occupant that the audio signal perceived is associated with the first location.
Owner:HARMAN INT IND INC

A loudspeaker array design method, structure and device based on sound path difference compensation

This invention discloses a speaker array design method and structure based on path difference compensation, belonging to the field of acoustic structure design technology. The method includes: establishing a parametric three-dimensional model of the speaker array, dividing the speakers into a right channel group, a reverse right channel group, a left channel group, and a reverse left channel group; setting listening area parameters and setting multiple sampling positions within the range; setting left and right ear reference points at each sampling position; calculating the path difference at each sampling position through acoustic simulation; and using a numerical optimization algorithm to obtain the optimal speaker layout parameters by minimizing the maximum path difference across all sampling positions. This invention, through a four-channel structure and optimization design method, achieves stereo separation over a wide listening distance, solving the problem of lack of stereo sound in narrow-box electronic devices. It eliminates the need for DSP chips and complex algorithms, offering advantages such as low cost, natural sound, and no "sweet spot" effect.
Owner:GUANGZHOU DISCUS INFORMATION TECH CO LTD

Audio system

PendingEP4750083A1MicrophonesLoudspeakers
An audio system includes a first left speaker arranged at a position corresponding to a left side of a head of a user on a first seat, a first right speaker arranged at a position corresponding to a right side of the head of the user on the first seat, a second left speaker arranged at a position corresponding to a left side of a head of a user on a second seat disposed side by side with the first seat, a second right speaker arranged at a position corresponding to a right side of the head of the user on the second seat, a front speaker arranged at a central position between the first seat and the second seat in a lateral direction, the central position being in front of the first seat and the second seat, and acoustic signal processing circuitry.
Owner:ALPS ALPINE CO LTD

Sound image localization processing method and sound image localization processing device

A sound image localization processing method includes inputting a sound source signal of a same sound source and localization information of the sound source to a first signal processing unit and a second signal processing unit; generating the first sound signal by subjecting the sound source signal to first localization processing based on the localization information and position information of the first speaker group to localize a sound of the sound source at a position indicated by the localization information; and generating the second signal by subjecting the sound source signal to second localization processing based on the localization information and position information of the second speaker group to localize the sound of the sound source at the position indicated by the localization information.
Owner:YAMAHA CORP

Integrated circuits for driving transducers

An integrated circuit (IC) 100 includes a first transducer driver 102 and a second transducer driver 104, for respectively driving first and second transducers 114, 116, and boost converter circuitry
Owner:CIRRUS LOGIC INT SEMICON LTD

Sound image localization processing method and sound image localization processing device

A sound image localization processing method includes inputting a sound source signal of a same sound source and localization information of the sound source to a first signal processing unit and a second signal processing unit; generating the first sound signal by subjecting the sound source signal to first localization processing based on the localization information and position information of the first speaker group to localize a sound of the sound source at a position indicated by the localization information; and generating the second signal by subjecting the sound source signal to second localization processing based on the localization information and position information of the second speaker group to localize the sound of the sound source at the position indicated by the localization information.
Owner:YAMAHA CORP

Intelligent audio device and method for controlling automatic lifting of sound column

An intelligent audio device and a method for controlling automatic lifting of a sound column. The intelligent audio device includes a sound column assembly, an enclosure and a drive assembly; the enclosure is configured with at least one first accommodation space; one end of the first accommodation space extends to an outer wall of the enclosure to form a first opening; the drive assembly connected to the sound column assembly; the drive assembly is able to drive the sound column assembly to reciprocate between a first position and a second position; wherein, when the sound column assembly is located at the first position, the sound column assembly is located in the first accommodation space; when the sound column assembly is located at the second position, the sound column assembly is at least partially located outside the first accommodation space.
Owner:GUANGDONG TAIDE ZHILIAN TECH CO LTD