61results about "Loudspeaker enclosure positioning" patented technology

A loudspeaker system includes a three-loudspeaker array and signal processing method for rendering and playing audio content in a listening environment. The three-loudspeaker array includes a left loudspeaker element, a center / height loudspeaker element, and a right loudspeaker element. A signal processor / renderer can be programmed or configured to process input audio content with a plurality of (e.g., at least five) playback channels (e.g., left, center, right, left elevation, and right elevation channels). The right loudspeaker can be driven by a right main signal and a right elevation-cancellation signal, and / or a combined signal thereof. The left loudspeaker can be driven by a left main signal and a left elevation-cancellation signal, and / or a combined signal thereof. The center / height loudspeaker can be driven by a combination of a center main signal and an elevation / height signal derived or rendered from the input audio signal.

An audio system is provided. The audio system includes a plurality of loudspeakers and a mobile device. The plurality of loudspeakers is capable of being positioned in a listening environment and being arranged to transmit an audio signal in the listening environment. Each loudspeaker is programmed to determine angle information of the audio signal as received at the loudspeaker relative to other loudspeakers of the plurality of loudspeakers and to transmit a first signal indicative of the angle information. The mobile device is programmed to receive the first signal from each of the loudspeakers and to determine a location for each loudspeaker in the listening environment based at least on the angle information.

A computer-implemented method of generating a loudspeaker position profile for sound management of an acoustic system comprising a plurality of loudspeakers is provided. The method comprises receiving measurement data; determining types of loudspeakers; calculating angles of arrival; determining a spatial group for each loudspeaker; grouping loudspeakers into spatial groups; assigning each loudspeaker to a type group; grouping loudspeakers into type groups; generating the loudspeaker position profile; and providing the loudspeaker position profile to a sound field management system.

To provide a soundbar device with which it is possible to realize an optimum surround environment that corresponds to the screen width of a television device. [Solution] This soundbar device 1 comprises: a first housing 10 having a speaker at a front surface and a left side surface; and a second housing 11 having a speaker at a front surface and a right side surface, it being possible to attach / detach the second housing 11 to / from the right side of the first housing 10 using an attachment / detachment mechanism 12. One of the first housing 10 and the second housing 11 is a main housing, and the other of the two housings is a sub-housing. The main housing extracts an audio signal for a channel allocated to the speakers provided to the main housing from a multi-channel audio signal received by a television device 3, plays back the extracted audio signal, and outputs the played-back audio signal from the speakers, and also extracts an audio signal for a channel allocated to the speakers provided to the sub-housing and transmits the extracted audio signal to the sub-housing. The sub-housing receives the audio signal from the main housing, plays back the received audio signal, and outputs the played-back audio signal from the speakers provided to the sub-housing.

Various embodiments set forth techniques for positioning speakers within a venue. The techniques include generating, via a machine learning model, at least one of a two-dimensional (2D) representation or a three-dimensional (3D) representation of a venue based on one or more images of the venue. The techniques further include determining one or more parameters associated with one or more speakers to be placed within the venue based on the at least one of the 2D representation or the 3D representation.

This application provides a method and an apparatus for determining a virtual speaker set. The method for determining a virtual speaker set includes: determining a target virtual speaker from F preset virtual speakers based on a to-be-processed audio signal, where each of the F virtual speakers corresponds to S virtual speakers, F is a positive integer, and S is a positive integer greater than 1; and obtaining, from a preset virtual speaker distribution table, respective position information of S virtual speakers corresponding to the target virtual speaker, where the virtual speaker distribution table includes position information of K virtual speakers, the position information includes an elevation angle index and an azimuth angle index, K is a positive integer greater than 1, F≤K, and F×S≥K. This application can improve audio signal playback effect.

An apparatus and method of rendering audio. A binaural signal is split on an amplitude weighting basis into a front binaural signal and a rear binaural signal, based on perceived position information of the audio. In this manner, the front-back differentiation of the binaural signal is improved.

The invention relates to the technical field of audio acquisition and noise reduction, and discloses a microphone array method for effectively reducing high-speed wind noise, which realizes the elimination of wind noise and echo and the accurate pickup of human voice in a high-speed motion scene through the specific layout design of a five-microphone array in combination with a multi-channel audio data fusion algorithm. The problems that an existing microphone array cannot adapt to a 40km / h high-speed wind noise scene and the sound receiving definition is insufficient are solved. According to the invention, five microphone arrays are deployed according to functions, the MIC1 is specially used for collecting loudspeaker echoes, the MIC2 and the MIC5 symmetrically capture multi-directional wind noise, the MIC3 and the MIC4 accurately pick up human voice in a leeward area, various signals are collected in a classified manner and do not interfere with each other, and a pure data basis is provided for subsequent noise reduction processing; particularly, the MIC3 and the MIC4 form a straight line with the mouth of a wearer and are positioned in a leeward area shielded by the lenses, so that the wind noise interference is greatly reduced, and the voice acquisition definition is improved.

To provide rendering of an M-channel input on S speakers (S<M).SOLUTION: An audio renderer for rendering a multi-channel audio signal having M channels to a portable device having S independent speakers, comprises: a first matrix application module for applying a primary rendering matrix to an input audio signal to provide a first pre-rendered signal suitable for playback on the multiple independent speakers; a second matrix application module for applying a secondary rendering matrix to the input audio signal to provide a second pre-rendered signal suitable for playback on the multiple independent speakers; a channel analysis module configured to calculate mixing gain according to a time-varying channel distribution; and a mixing module configured to produce a rendered output signal by mixing the first and second pre-rendered signals based on the mixing gain.SELECTED DRAWING: Figure 1

In at least one embodiment, an audio system including a first loudspeaker and a second loudspeaker and at least one controller is provided. The first loudspeaker transmits a first audio signal including a first signature tone into a listening environment. The second loudspeaker transmits a second audio signal including a second signature tone into the listening environment and receive the first audio signal including and the first signature tone. The second loudspeaker receives the second audio signal including the second signature tone after transmitting the second signature tone into the listening environment and determines an estimated distance between the first loudspeaker and the second loudspeaker based at least on the first signature tone and the second signature tone. The second loudspeaker performs a time frequency masking operation to extract a least one of the first signature tone and the second signature tone from the noisy and reverberant mixture.

Various embodiments include an audio system and method for mixed rendering to improve audio output. Certain embodiments include at least one far-field speaker configured to output a first portion of an audio signal and a pair of non-enclosed near-field speakers configured to output a second portion of the audio signal in synchronization with the output of the first portion of the audio signal, wherein the first portion of the audio signal is different from the second portion of the audio signal.

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.

Systems and methods for loudspeaker layout mapping in accordance with embodiments of the invention are illustrated. In many embodiments, loudspeakers are able to generate tones which are used by other loudspeakers to generate impulse responses. The impulse responses and the angles at which the tones were received can be used to determine the relative locations and orientations of the loudspeakers. In various embodiments, obstacles which obstruct the path of the tone can be identified and accounted for.

System and techniques for audio enhancement processing for both electronically delivered audio signals and ambient sound. Ambient sound processing includes audio enhancement processing of signals captured by ambient microphones communicatively coupled to an audio enhancement processing apparatus as well as media provided by a storage device. Audio enhancement processing is provided for a user utilizing an electronic device that is directly or indirectly communicatively coupled to accessory microphones.

Provided is an information processing device that performs processing on a content. An information processing device is provided with an estimation unit that estimates sounding coordinates at which a sound image is generated on the basis of a video stream and an audio stream, a video output control unit that controls an output of the video stream, and an audio output control unit that controls an output of the audio stream so as to generate the sound image at the sounding coordinates. A discrimination unit that discriminates a gazing point of a user who views video and audio is further provided, in which the estimation unit estimates the sounding coordinates at which the sound image of the object gazed by the user is generated on the basis of a discrimination result.

The present disclosure relates to a complete set of equipment, in particular, a vibration plate with sound generation. A display device according to the present disclosure includes a display module, a back cover provided at a rear surface of the display module, a compartment provided within the back cover, a fixing element provided within the compartment, a sound generation unit inserted into the compartment and mounted by the fixing element, and an adhesive element attaching an upper surface of the sound generation unit and a rear surface of the display module.

A loudspeaker transducer arrangement is provided. At least three loudspeaker transducer units emit sound in different directions, where the loudspeaker transducer units are arranged in separate walls, arranged in separate planes, such that a first wall arranged in the first plane is defined by a normal L1 perpendicular to the first plane and the first loudspeaker transducer unit mainly emits sound along the normal L1, a second wall arranged in the second plane is defined by a normal L2 perpendicular to the second plane and the second loudspeaker transducer unit emits sound mainly along the normal L2, and a third wall arranged in the third plane is defined by a normal L3 perpendicular to the third plane and the third loudspeaker transducer unit emits sound mainly along the normal L3. A soundbar is also provided.

This application provides a method and an apparatus for determining a virtual speaker set. The method for determining a virtual speaker set includes: determining a target virtual speaker from F preset virtual speakers based on a to-be-processed audio signal, where each of the F virtual speakers corresponds to S virtual speakers, F is a positive integer, and S is a positive integer greater than 1; and obtaining, from a preset virtual speaker distribution table, respective position information of S virtual speakers corresponding to the target virtual speaker, where the virtual speaker distribution table includes position information of K virtual speakers, the position information includes an elevation angle index and an azimuth angle index, K is a positive integer greater than 1, F≤K, and F×S≥K. This application can improve audio signal playback effect.

A computer-implemented method of generating a speaker location profile for sound management of an acoustic system comprising a plurality of speakers is provided. The method comprises the following steps: receiving measurement data; determining the type of the loudspeaker; calculating an angle of arrival; determining a group of spaces for each speaker; grouping the loudspeakers into spatial groups; assigning each speaker to a type group; grouping the loudspeakers into a type group; generating a loudspeaker position profile; and providing the speaker location profile to the sound field management system.

In at least one embodiment, an audio system including a first loudspeaker and a second loudspeaker and at least one controller is provided. The first loudspeaker transmits a first audio signal including a first signature tone into a listening environment. The second loudspeaker transmits a second audio signal including a second signature tone into the listening environment and receive the first audio signal including and the first signature tone. The second loudspeaker receives the second audio signal including the second signature tone after transmitting the second signature tone into the listening environment and determines an estimated distance between the first loudspeaker and the second loudspeaker based at least on the first signature tone and the second signature tone. The second loudspeaker performs a time frequency masking operation to extract a least one of the first signature tone and the second signature tone from the noisy and reverberant mixture.

The present disclosure relates to a sound box assembly, a display device, an audio output method and device. The sound box assembly is applied to the display device, and the sound box assembly comprises a shell, a cavity is formed in the shell, and a connecting component is arranged on the shell; a loudspeaker is arranged in the cavity of the shell, and the sound image center is located at the center position of the display device when playing sound; wherein the loudspeaker comprises a middle sound loudspeaker arranged in the middle part of the shell, and a bass loudspeaker and a treble loudspeaker, one of which is arranged above the middle sound loudspeaker, and the other is arranged below the middle sound loudspeaker. By arranging the sound box assembly on both sides of the display device, the volume of the sound box is increased, the sound effect is improved, the sound image center is located at the center position of the display device, and the quality of the sound and picture can be improved.

A method for generating a frame of an encoded bitstream of an audio program comprising a plurality of audio signals, wherein the frame comprises two or more independent blocks of encoded data, the method comprising receiving, for one or more of the plurality of audio signals, information indicating a playback device with which the one or more audio signals are associated, receiving, for the indicated playback device, information indicating one or more additional associated playback devices, receiving one or more audio signals associated with the indicated one or more additional associated playback devices, encoding the one or more audio signals associated with the playback device, encoding the one or more audio signals associated with the indicated one or more additional associated playback devices, combining the one or more encoded audio signals associated with the playback device and signaling information indicating the one or more additional associated playback devices into a first independent block, combining the one or more encoded audio signals associated with the one or more additional associated playback devices into one or more additional independent blocks, and combining the first independent block and the one or more additional independent blocks into the frame of the encoded bitstream.

A plurality of modal parameters is estimated for a set of discrete locations within a local area using a set of room impulse responses for the set of discrete locations. The local area includes an audio system. A plurality of acoustic model parameters is generated by fitting the plurality of modal parameters to an acoustic model that accounts for a physical geometry of the local area. The plurality of acoustic model parameters and an indication about the acoustic model are stored for later use by the audio system. The audio system estimates the set of acoustic parameters using the plurality of acoustic model parameters and the indication about the acoustic model, and presents audio content using the set of acoustic parameters.

This application provides a method for establishing a home theater, a device, and a system, and relates to the field of terminal technologies, to simplify an operation of a user in a process of establishing a home theater, thereby improving user experience. The method includes: receiving m pieces of first capability information from m second devices; obtaining placement positions of the m second devices; and determining, based on the placement positions of the m second devices and the m pieces of first capability information, whether the placement positions of the m second devices meet a preset condition; and if the preset condition is not met, displaying a first interface; or if the preset condition is met, displaying a second interface. Each of the m pieces of first capability information indicates a sound channel supported by a corresponding second device, and m is an integer not less than 1. The preset condition includes placement positions of second devices that support different sound channels during establishment of a home theater, the first interface includes recommendation information of the placement positions of the m second devices, and the second interface includes information indicating that placement succeeds.

An electronic apparatus includes memory, a communication interface, a projector configured to output a projection image, and at least one processor, and the at least one processor is configured to identify a second location of a user with reference to a first location of the electronic apparatus, identify the number of terminal devices connectable to the electronic apparatus, identify a target location to place the terminal devices based on the first location, the second location and the number of terminal devices, and provide guide information to guide the terminal devices to be placed on the target location.

There is provided a system and method for detecting location and orientation of a plurality of devices in a surround sound system, the plurality of devices comprising a lead device and a plurality of follower devices. The method comprises a discovery stage in which the lead device discovers the plurality of follower devices. The method further comprises a primary mapping stage in which an ultra-wideband, UWB, connection is created between the lead device and a first group of the plurality of follower devices which are within a field of view, FoV, of the lead device. The method also comprises an orientation detection stage in which a location (XFa,YFa) and an orientation ΦL of each one of the follower devices of the first group is calculated.

A computer-implemented method of generating a loudspeaker position profile for sound management of an acoustic system comprising a plurality of loudspeakers is provided. The method comprises receiving measurement data; determining types of loudspeakers; calculating angles of arrival; determining a spatial group for each loudspeaker; grouping loudspeakers into spatial groups; assigning each loudspeaker to a type group; grouping loudspeakers into type groups; generating the loudspeaker position profile; and providing the loudspeaker position profile to a sound field management system.

The invention relates to a phase array sound box, which comprises a bottom frame unit and a plurality of single sound box units which are transversely arranged in the bottom frame unit in an array manner, and is characterized in that the bottom frame unit comprises a pair of transverse mounting frames and a connecting frame which is fixedly arranged at the end parts of the pair of transverse mounting frames; each single sound box unit comprises a sound box mounting seat assembly and a sound box main body mounted in the sound box mounting seat assembly; the sound box mounting seat assembly comprises a mounting seat body and connecting assemblies mounted at the front and rear ends of the mounting seat body. The transverse mounting frame comprises a mounting frame body and a guide connecting piece mounted on the mounting frame body; the guide connecting piece comprises a rail groove fixedly formed in the upper end face of the mounting frame body; a sliding block is fixedly installed on the lower end face of the connecting assembly, and the sliding block is the same as the rail groove in shape and size. In the installation process of the single sound box units, the sliding blocks of the single sound box units only need to be aligned with the track grooves, then the single sound box units are pushed in from one side, and the single sound box units and the underframe unit can be preliminarily installed.

A system and method are provided for detecting the positioning and orientation of a plurality of devices in a surround sound system, the plurality of devices including a guiding device and a plurality of follower devices. The method comprises a discovery phase in which the boot device discovers the plurality of follower devices. The method additionally includes a primary mapping phase in which an ultra wide band, UWB, connection is created between the guidance device and a first set of the plurality of follower devices within a field of view, FoV, of the guidance device. The method further comprises an orientation detection phase in which a position (XFa, YFa) and an orientation [phi] L of each of the follower devices of the first group are calculated.

The present disclosure relates to a method for installing and controlling light-sound cinema speakers to provide a light-sound system in a movie theater, which is performed by a light-sound system control device, the method including loading data from a speaker installation terminal; loading information on the movie theater; setting speaker installation positions for a light-sound system based on the loaded data and information; operating and performing the light-sound system; and calculating optimal information for the light-sound system based on the operation of the light-sound system.