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Stereo Speaker Arrangement

Stereo Speaker Arrangement patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Electrical Audio Signal Processing Systems And Devices


Binaural And Stereophonic > Stereo Speaker Arrangement



Electronic device and method for reproducing surround audio signal
10/30/14 - 20140321678 - A method for reproducing a surround audio signal using an electronic device. The electronic device first establishes connections between the electronic device and other N−1 electronic devices, once the electronic device sets each of the N electronic devices to output one of the N channel signals according to one-to-one relationships,...

Method for practical implementation of sound field reproduction based on surface integrals in three dimensions
10/30/14 - 20140321679 - A method for 3D sound field reproduction from a first audio input signal using a plurality of loudspeakers distributed over a loudspeaker surface aiming at synthesizing a 3D sound field within a listening area in which none of the loudspeakers are located with the sound field radiating from a virtual...

Acoustic signal processing apparatus, acoustic signal processing method, program, and recording medium
09/25/14 - 20140286511 - HRTF on a side of the sound source on the acoustic signal. A crosstalk compensation processing unit performs, with respect to the first binaural signal and the second binaural signal, a crosstalk compensation for canceling out an acoustic transfer characteristic and a crosstalk. The present technology can be applied to,...

Audio localization techniques for visual effects
09/18/14 - 20140270280 - Techniques for improved audio localization for visual effects are described. In one embodiment, for example, an apparatus may comprise a processor circuit and an audio management module, and the audio management module may be operable by the processor circuit to determine a position of a user interface element in a...

Spatial audio enhancement processing method and apparatus
09/18/14 - 20140270281 - An audio processing system for processing a single channel audio signal includes a a processor configured to derive a synthetic difference component from the single channel audio input signal a filtering module configured to apply a first filter to the sum signal represented by the single channel signal and to...

Multichannel audio calibration method and apparatus
09/18/14 - 20140270282 - A method comprising: generating at least one audio signal to be output by at least one speaker for a multi-speaker system; receiving at least two output signals, the at least two output signals provided by at least two microphones and based on the at least one acoustic wave output by...

Phase-unified loudspeakers: parallel crossovers
08/07/14 - 20140219480 - Complimentary crossovers that reduce phase distortion in loudspeaker systems, typically pairs, are described. In the fundamental embodiment, each loudspeaker possesses two drivers, a woofer and a tweeter. The “effective third-order” crossover on the right-hand loudspeaker remains “symmetric,” but the “effective third-order” crossover on the left-hand loudspeaker is rendered “asymmetric,” as...

Multiple sound channels speaker
08/07/14 - 20140219481 - A multiple sound channels speaker is disclosed herein and includes a first speaker, at least one second speaker, a sensing switch and an audio decoder. The second speaker is adjacent to the first speaker, and the sensing switch is disposed between the first speaker and the second speaker. The audio...

Flat panel electronic device and audio playing apparatus thereof
08/07/14 - 20140219482 - A flat panel electronic device and an audio playing apparatus thereof are provided. The audio playing apparatus comprises an audio generator, a plurality of speakers, a sensor and a controller. The audio generator is operable to generate a left channel audio and a right channel audio. The plurality of speakers...

Audio speaker system with semi-shared passive radiators
07/10/14 - 20140193005 - A multi-channel stereo speaker system includes acoustically separated but mechanically connected chambers containing active drivers to reproduce sound for each channel, and a passive radiator for each chamber to help tune the frequency response of the chamber. Passive radiators are positioned and oriented so that their movements tend to cancel...

Game system, game process control method, game apparatus, and computer-readable non-transitory storage medium having stored therein game program
05/15/14 - 20140133681 - Sounds are reproduced from a plurality of sound source objects at the same timing. A sound volume and a localization of each sound when the sounds are received by a virtual microphone are calculated. Any one sound source object is determined as a weight assignment target on the basis of...

Upmixing object based audio
05/15/14 - 20140133682 - In some embodiments, a method for rendering an object based audio program indicative of a trajectory of an audio source, including by generating speaker feeds for driving loudspeakers to emit sound intended to be perceived as emitting from the source, but with the source having a different trajectory than that...

Information processing system, computer-readable non-transitory storage medium having stored therein information processing program, information processing control method, and information processing apparatus
05/01/14 - 20140119580 - In an exemplary information processing system including an information processing section, a first loudspeaker, and a second loudspeaker, predetermined music data composed of two channels is separated into first channel music data and second channel music data. A first sound source object associated with one of the first channel music...

System and tools for enhanced 3d audio authoring and rendering
05/01/14 - 20140119581 - 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...

Battery-powered stereo speaker assembly having power connection for charging a handheld device
04/10/14 - 20140098979 - The present invention provides a portable and compact battery-powered stereo speaker assembly that incorporates a DC to DC converter, which enables power from the internal stereo speaker assembly battery to charge an interconnected hand-held device, such as a smartphone, through a USB connection, thereby extending the time that the device...

Method and apparatus for capturing and rendering an audio scene
04/10/14 - 20140098980 - The method of capturing an audio scene includes acquiring sounds having first and second directivities to obtain first and second acquisition signals, respectively, the first directivity being higher than the second directivity, the steps of acquiring being performed simultaneously, and both acquisition signals together representing the audio scene; separately storing...

One-piece active acoustic loudspeaker enclosure configurable to be used alone or as a pair, with reinforcement of the stero image
03/20/14 - 20140079256 - The loudspeaker enclosure (10) comprises a central channel (16) turned toward the listener, and left and right side channels (18L, 18R) oriented perpendicular to each other. The signal to be reproduced is separated into: i) a mono component correlated between the left and right signals; ii) left and right surround...

Method for controlling a speaker array to provide spatialized, localized, and binaural virtual surround sound
03/06/14 - 20140064526 - A system and method for producing a binaural and localized audio signal to a user is provided. A signal processing method is provided for delivering spatialized sound in various ways using highly optimized inverse filters to deliver narrow localized beams of sound from the included speaker array. The inventive method...

Compact stand-alone stereo loudspeaker
12/19/13 - 20130336504 - Stereo loudspeaker in a single cabinet (CB), such as a portable stereo loudspeaker. Two dipole loudspeaker units (DLL, DLR) generate respective acoustic dipole signals (L+, L−, R+, R−) in accordance with two channels on an input signal. The two dipole loudspeaker units (DLR, DLL) are closesly spaced and oriented such...

Noise elimination circuit for audio equipment
12/05/13 - 20130322664 - A noise elimination circuit, includes an audio chipset configured to process an audio data file, a power supply unit, a loudspeaker, and a ground circuit. The power supply unit is connected to the sound card and provides power to the audio data file. The audio chipset generates an analog signal...

Context-aware voice guidance
12/05/13 - 20130322665 - A context-aware voice guidance method is provided that interacts with other voice services of a user device. The voice guidance does not provide audible guidance while the user is making a verbal request to any of the voice-activated services. Instead, the voice guidance transcribes its output on the screen while...

Method and apparatus for processing audio signal and audio playback system
12/05/13 - 20130322666 - A Method for processing an audio signal to use a beamforming technique in a three-dimensional (3D) space is disclosed. The method may include generating a beamforming signal on a horizontal plane related to a sound source in a three-dimensional (3D) space and modulating the beamforming signal to head for a...

3-d audio data manipulation system and method
11/21/13 - 20130308800 - A 3-D audio data manipulation system providing a multi-dimensional audio field generated by a speaker array. The speaker array is driven by audio data and has a plurality of speakers, with each speaker having a unique physical position within the audio field. The system includes a 3-D mixing module having...

Stereo mp3 system
10/03/13 - 20130259275 - A stereo system for listening to music and other content is provided. The stereo system comprises a stereo and an MP3 device mounted within the stereo. The MP3 device stores and plays downloaded MP3 and other digital audio files while also providing full connectivity and compatibility wired or wireless with...

Noise reduction apparatus and audio reproduction apparatus
09/19/13 - 20130243225 - A noise reduction apparatus includes: a speaker with a speaker unit held by holding means to make it possible to mix sounds emitted from front and rear of a vibration plate of the speaker; a microphone provided in an area where the sounds emitted from the front and rear of...

Data structure for higher order ambisonics audio data
08/22/13 - 20130216070 - The invention is related to a data structure for Higher Order Ambisonics HOA audio data, which data structure includes 2D or 3D spatial audio content data for one or more different HOA audio data stream descriptions. The HOA audio data can have on order of greater than ‘3’, and the...

Surround sound simulation with virtual skeleton modeling
08/15/13 - 20130208926 - A method for providing three-dimensional audio includes determining a world space ear position of a human subject based on a modeled virtual skeleton. The method further includes providing three-dimensional audio output to the human subject via an acoustic transducer array including one or more acoustic transducers. The three-dimensional audio output...

Information processing apparatus and speaker
07/11/13 - 20130177185 - There is provided an information processing apparatus including a speaker having speaker units of a speaker for a left channel that outputs left channel audio, a speaker for a right channel that outputs right channel audio, and a speaker for bass that outputs bass, wherein the speaker units are integrally...

Wireless audio player and speaker system
07/11/13 - 20130177186 - The present disclosure relates to an audio player and speaker system, and particularly, to a wireless audio player and speaker system. More particularly, the present disclosure relates to a portable, rechargeable, wireless boombox-style audio player, for playing audio from an external audio source, and including a wireless charging element for...

Apparatus and method for calculating filter coefficients for a predefined loudspeaker arrangement
05/30/13 - 20130136281 - An apparatus for calculating filter coefficients for a predefined loudspeaker arrangement has a multi-channel renderer. The multi-channel renderer calculates a filter coefficient for each loudspeaker of a virtual loudspeaker arrangement, being different from the predefined loudspeaker arrangement, based on a property (e.g. position or type) of a virtual source of...

Compact stereo loudspeaker for wall mounting
04/25/13 - 20130101146 - Loudspeaker in a single cabinet arranged for wall mounting. The loudspeaker has two dipole loudspeaker units spaced apart and arranged to generate respective acoustic dipole signals. Reflectors, such as plane surfaces, are arranged to reflect sound from the respective dipole loudspeaker units. The reflectors and the dipole loudspeaker units are...

Sound systems
03/14/13 - 20130064402 - According to certain embodiments of the present disclosure, systems are disclosed that house and orient electro-acoustic drivers therein to simulate surround effects from a single enclosure....

Shaping sound responsive to speaker orientation
01/24/13 - 20130022221 - Techniques for shaping sound based on a speaker orientation are disclosed. In an embodiment, an audio data stream is obtained by a zone player having one or more speaker drivers, an orientation of the zone player is determined, and sound is reproduced by the zone player based on the orientation....

Modifying spatial image of a plurality of audio signals
01/03/13 - 20130003998 - A method comprising: modifying a sound stage produced by an input audio signal comprising two or more audio channels such that spatial room is relieved for one or more additional sound sources; and inserting said one or more additional sound sources in the relieved spatial room of the modified sound...

Personal audio equipment
12/27/12 - 20120328134 - A personal audio device comprises a first speaker housing (10) having a speaker (12) associated therewith, and a second speaker housing (18) having a speaker (20) associated therewith, wherein the first and second speaker housings (10, 18) are provided with wireless communication means whereby an audio signal can be transmitted...

Speaker system and method of operation therefor
12/27/12 - 20120328135 - A speaker system comprises a first speaker (203) and a second speaker (205). A driving circuit receives an audio signal and comprises a first drive circuit (209) generating a first drive signal for the first speaker (203) in response to a first filtering of the audio signal with a first...

Solar powered wireless bluetooth stereo speaker with connectivity to mp3 player
11/29/12 - 20120300962 - A portable Bluetooth stereo speaker including a rechargeable battery coupled to power the Bluetooth stereo speaker, a solar panel coupled to the rechargeable battery for recharging the battery when the solar panel is exposed to sunlight, a capacitive touch panel coupled to the Bluetooth stereo speaker for controlling music, skip...

Audio jack with emi shielding
10/04/12 - 20120250911 - An audio jack for an audio plug for use in an electrical device, comprising a non-conductive enclosure having a front side and defining a cavity having an aperture within the front side for receiving the audio plug, the aperture having a first diameter, the cavity extending along a longitudinal axis;...

Array element rigging component, system and method
04/19/12 - 20120093347 - Disclosed herein is a rigging component for connecting an array element in an array. The rigging component includes an elongate housing connectable to an array element; a connection link disposed within, and slideably extendible from, one end of the housing; a conduit extending into the housing from its opposite end,...

Generation of 3d sound with adjustable source positioning
04/19/12 - 20120093348 - A system for generating 3D sound with adjustable source positioning includes a first stage and a second stage, which is coupled to the first stage and to a speaker array that includes a plurality of speakers. The first stage is configured to position a plurality of virtual sound sources through...

Method and device for activating a media player
03/08/12 - 20120057731 - A method and device for activating a media player enables efficient and convenient access to media files. The method includes determining that a wireless communication device is not operatively coupled to a network. An operative coupling of a speaker system to the wireless communication device is detected. The media player...

Audio reproduction apparatus
03/01/12 - 20120051565 - An audio reproduction apparatus includes: a delay equalizer (301), a delay equalizer (303), a level adjuster (314), and a level adjuster (317). The delay equalizer (301) equalizes an FL signal using an equalizer characteristic EQ9 that converts a characteristic of an audio signal perceived as being reproduced at a position...

Compact noise suppression circuit for small speakers
02/23/12 - 20120045079 - A compact noise suppression circuit for a small speaker system and having a circuit board with a left signal input connection and a right signal input connection and a ground connection, and further having a left speaker supply connection and a left speaker return connection, and a right speaker supply...

Signal processing system and signal processing method
01/05/12 - 20120002827 - A signal processing system includes a transmitter, a sensor, a plurality of processing apparatuses, a placement determiner and a signal distributor. The transmitter transmits a wireless signal. The sensor detects the wireless signal transmitted by the transmitter. The plurality of processing apparatuses receives corresponding signals and executes processing on the...

Speaker apparatus
10/06/11 - 20110243353 - A speaker apparatus includes: a first outputting unit that has a first speaker unit group in which a plurality of speaker units are arranged, and that outputs a supplied audio signal from the first speaker unit group as a sound which is directed in a direction; a second outputting unit...

Ambiophonic headrest
09/29/11 - 20110235832 - A headrest provided with several loudspeakers which normally reproduce an ambiophonic sound experience. The headrest generally includes a central section provided with at least one loudspeaker, one side section provided with at least one loudspeaker and a second side section provided with at least one loudspeaker. The side sections are...

Multi-element directional acoustic arrays
09/08/11 - 20110216924 - An audio system that may be implemented in a television, that includes a plurality of directional arrays. The arrays may include a common acoustic driver and may be spaces non-uniformly....

Virtual surround for loudspeakers with increased consant directivity
09/08/11 - 20110216925 - Various embodiments use combinations of different methods for creating virtual surround. Some of the methods used in various embodiments include: dipole beamforming, multi-stage arrays, transducer directionality, and enclosure shading. In general, each of these methods may operate over a specific frequency band in various embodiments. The use of multiple methods...

Virtual surround for loudspeakers with increased constant directivity
09/08/11 - 20110216926 - A speaker system includes a first array of transducers in a speaker enclosure and, and at least a second array of transducers in the speaker enclosure. The second array is a low-frequency array and the first array is a high-frequency array. The transducers in the first array are configured to...

Apparatus for binaural audio coding
08/25/11 - 20110206223 - An apparatus configured to: determine at least one first channel audio signal phase value for a current audio frame; determine at least one second channel audio signal phase value for the current audio frame; calculate at least one current phase difference between the at least one first channel audio signal...

Stereophonic widening
08/11/11 - 20110194712 - Widening stereophonic response is achieved in sound reproduction systems with at least two loudspeakers. A stereo signal input is accessed, which includes multiple frequency components. The loudspeakers are close to each other. A frequency range of the frequency components is decorrelated, e.g., upon pre-processing the stereo signal. The sound reproduction...

Method and system for enhancing bass effect in audio signals
07/21/11 - 20110176696 - The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to perceive the lower frequency signals, even though the speakers may be incapable of providing such low frequency outputs. Method and systems provided for...

Acoustic user interface system and method for providing spatial location data
07/07/11 - 20110164768 - An acoustic user interface system and method for tracking spatial location data. A location tracking unit provides location information with respect to an object in an environment. The location information may be further employed to synthesize a perception of three-dimensional spatial location data with respect to multiple objects in the...

Apparatus and method for calculating filter coefficients for a predefined loudspeaker arrangement
06/09/11 - 20110135124 - An apparatus for calculating filter coefficients for a predefined loudspeaker arrangement has a multi-channel renderer. The multi-channel renderer calculates a filter coefficient for each loudspeaker of a virtual loudspeaker arrangement, being different from the predefined loudspeaker arrangement, based on a property (e.g. position or type) of a virtual source of...

Method and system for determining relative positions of multiple loudspeakers in a space
05/26/11 - 20110123054 - A method for identifying and recording the relative positions of loudspeakers in an array with respect to one another using amplifiers connected on a network....

System and method of providing three-dimensional sound at a portable computing device
05/19/11 - 20110116665 - A method of providing three-dimensional (3D) sound at a wireless device is disclosed and may include detecting movement of a 3D virtual object within a display, determining a direction of the movement of the 3D virtual object, and transmitting sound from a 3D sound system that tracks the direction of...

Multichannel audio system having audio channel compensation
04/07/11 - 20110081032 - A multichannel compensating audio system includes first and second compensation channels to psychoacoustically minimize deviations in a target response, to psychoacoustically move the physical position of a speaker and/or to psychoacoustically provide a substantially equal magnitude of sound from a plurality of speakers in a plurality of different listening positions....

Apparatus and method for multi-channel parameter transformation
01/20/11 - 20110013790 - A parameter transformer generates level parameters, indicating an energy relation between a first and a second audio channel of a multi-channel audio signal associated to a multi-channel loudspeaker configuration. The level parameter are generated based on object parameters for a plurality of audio objects associated to a down-mix channel, which...

Audio channel assignment for audio output in a movable device
01/06/11 - 20110002487 - A device that provides an audio output includes a speaker array mechanically fixed to the device. The speaker array includes at least three speakers. An orientation sensor detects an orientation of the speaker array and provides an orientation signal. An audio receiver receives a number of audio signals that include...

Method and apparatus for simplified interconnection and control of audio components of an home automation system
12/16/10 - 20100316237 - A method and apparatus for distributing stereo signal of an audio system integrated with an home automation system. The audio system is further integrated with intercom and video intercom including the controlling of the intercom communications and the home automation appliances via a network and the Internet. The stereo signals...

Audio data receiving apparatus, audio data receiving method, and audio data transmission and receiving system
12/16/10 - 20100316238 - An audio data receiving apparatus includes a receiving unit configured to receive audio data sampled in accordance with a first clock signal; a synchronization unit configured to generate a second clock signal that is synchronized with the first clock signal by extracting clock components contained in the audio data; a...

Electronic accessory for an mp3 player, and method of providing the same
12/09/10 - 20100310099 - In one embodiment, an electronic accessory configured to couple with an electronic device can comprise a housing and a spacer. The housing can comprise a body comprising a width, a length, and a thickness; and a neck extending from the body, the neck comprising a length less than the length...

Apparatus and method for reproduction of stereo sound
12/02/10 - 20100303264 - Apparatus for reproduction of stereo sound from a two channel signal, having one or more first transducers (3a, 3b) for reproducing a signal comprising one of or the sum of the two channels, and one or more second transducers (5) for reproducing a signal comprising the difference between the two...

Speaker device
11/11/10 - 20100284555 - A speaker device includes: an acoustic diaphragm; a vibration transfer member provided in a state of touching the acoustic diaphragm over a given length, which is configured to transfer vibration to the acoustic diaphragm; and an actuator configured to add vibration corresponding to an audio signal to be reproduced to...

Multi-directivity sound device
06/24/10 - 20100158287 - A sound producing apparatus with multi-directivity has two or more speakers to produce music or other types of audio sounds. Each of the speakers can produce audio sounds in a certain direction and at least one speaker is steerable so that its sound propagation direction relative to the others can...

Apparatus and method for generating directional sound
06/10/10 - 20100142733 - An apparatus and method for generating directional sound are provided to output sound towards a specific sound zone. The apparatus includes an internal loudspeaker array having at least one sound source and edge loudspeakers, each with a sound source having directivity, located at respective ends of the internal loudspeaker array....

Apparatus for generating and playing object based audio contents
06/03/10 - 20100135510 - Disclosed is an object based audio contents generating/playing apparatus. The object based audio contents generating/playing apparatus may include an object audio signal obtaining unit to obtain a plurality of object audio signals by recording a plurality of sound source signals, a recording space information obtaining unit to obtain recording space...

Constant-beamwidth loudspeaker array
04/29/10 - 20100104117 - A loudspeaker is provided for receiving an incoming electrical signal and transmitting an acoustical signal that is directional and has a substantially constant beamwidth over a wide frequency range. The loudspeaker may include a curved mounting plate that has curvature over a range of angles. The loudspeaker may include an...

Method and system for creating three-dimensional spatial audio
04/22/10 - 20100098274 - A system and method for rendering a virtual sound source using a plurality of speakers in an arbitrary arrangement includes expanding a wave field of the virtual sound source and a composite wave field generated by the plurality of speakers into multi-pole expansions, and equating the multi-pole expansions to each...

System and method for generating sound events
04/22/10 - 20100098275 - A system and method for recording and reproducing three-dimensional sound events using a discretized, integrated macro-micro sound volume for reproducing a 3D acoustical matrix that reproduces sound including natural propagation and reverberation. The system and method may include sound modeling and synthesis that may enable sound to be reproduced as...

Apparatus and method for generating a number of loudspeaker signals for a loudspeaker array which defines a reproduction space
04/15/10 - 20100092014 - An apparatus for generating a number of loudspeaker signals for a loudspeaker array defining a reproduction space includes a prestage configured to generate a plurality of output audio signals while using one or more audio signals associated with one or more virtual positions, each output audio signal being associated to...