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公开(公告)号：US12126958B2
公开(公告)日：2024-10-22
申请号：US18444898
申请日：2024-02-19
申请人： ClearOne, Inc.
IPC分类号： H04R1/40 , G10L21/0208 , G10L21/0232 , H04R1/08 , H04R1/28 , H04R3/00 , H04R3/04 , H04R17/02 , H04R29/00 , H04R31/00
CPC分类号： H04R1/406 , G10L21/0232 , H04R1/08 , H04R1/2876 , H04R3/005 , H04R3/04 , H04R17/02 , H04R29/005 , H04R31/006 , G10L2021/02082 , H04R2201/021 , H04R2420/07 , H04R2430/21 , H04R2430/23
摘要： This disclosure describes an apparatus and method of an embodiment of an invention that is a ceiling tile microphone that includes: a plurality of microphones coupled together as a microphone array used for beamforming where the plurality of microphones are positioned at predetermined locations and produce audio signals to be used to form a directional pickup pattern; a single ceiling tile with an outer surface on the front side of the ceiling tile where the outer surface is acoustically transparent, the microphone array couples to the back side of the single ceiling tile and combines with the single ceiling tile as a single unit; a housing that encloses signal processing circuitry and couples to the back side of the single unit; where the single unit is mountable on the ceiling using mounting accessories; where all or part of the housing is in the ceiling space above the plane of the ceiling; where the single unit further includes beamforming.
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公开(公告)号：US20240314495A1
公开(公告)日：2024-09-19
申请号：US18676812
申请日：2024-05-29
申请人： Nureva, Inc.
CPC分类号： H04R1/406 , H04R3/005 , H04R29/005 , H04S7/30 , H04R2201/401 , H04R2201/403 , H04S2400/15
摘要： Method, apparatus, and computer-readable media focusing sound signals from plural microphones in a 3D space, to determine audio signal processing profiles to optimize sound source(s) in the space. At least one processor determines plural virtual microphone bubbles in the space, and defines one or more bubble object profiles which comprise(s) specific attributes and functions of audio processing functions for each bubble, each bubble object profile including: (a) an individual bubble object profile when the bubble has been configured for an individual bubble; (b) a region object profile when the bubble has been configured for a region of one or more bubbles; and (c) a group object profile when the bubble has been configured for a group having one or more bubbles. The audio signal processing functions are used for the at least one bubble, for any combination of (a), (b), and (c).
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公开(公告)号：US12096194B2
公开(公告)日：2024-09-17
申请号：US17833516
申请日：2022-06-06
发明人： Yumi Fujii , Toshiaki Nagai , Hisako Murata
CPC分类号： H04R5/04 , H04R5/033 , H04R29/002 , H04R29/005 , H04R2400/01
摘要： A processing device according to this embodiment includes: a measurement signal output unit configured to output a frequency sweep signal whose frequency is swept as a measurement signal; a sound pickup signal acquisition unit configured to acquire L-ch and R-ch sound pickup signals obtained by picking up the measurement signal by a left microphone and a right microphone; an evaluation signal acquisition unit configured to calculate an evaluation signal in a time domain in accordance with the L-ch and R-ch sound pickup signals; an extraction unit configured to extract a partial section of the evaluation signal as an extraction section; a comparison unit configured to compare the L-ch sound pickup signal with the R-ch sound pickup signal using the evaluation signal in the extraction section; and a determination unit configured to determine whether the fit of the right and left microphones or the output unit is good or not based on the results of the comparison made in the comparison unit.
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公开(公告)号：US12081949B2
公开(公告)日：2024-09-03
申请号：US18048768
申请日：2022-10-21
申请人： SYNG, Inc.
CPC分类号： H04R29/002 , H04R1/403 , H04R29/005 , G01S3/8083 , H04R2430/21
摘要： 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.
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公开(公告)号：US12047755B2
公开(公告)日：2024-07-23
申请号：US17702429
申请日：2022-03-23
发明人： Jérôme Berger , Radu Nedelcu
CPC分类号： H04R3/005 , G10L15/08 , G10L15/22 , H04R1/406 , H04R29/005 , G10L2015/088 , H04R2201/401
摘要： A selection method is implemented in electronic equipment and includes steps consisting of: acquiring and memorizing, for each microphone of the equipment, a first reference audio signal produced by said microphone from a reception by the set of microphones of a first reference sound signal; analyzing the first reference audio signals to produce at least one directional parameter representative of a direction of arrival of the first reference sound signal; selecting, according to the directional parameters from among the set of microphones, the first microphones which make it possible to maximize an effectiveness of a first voice recognition method.
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公开(公告)号：US12047753B1
公开(公告)日：2024-07-23
申请号：US17135173
申请日：2020-12-28
申请人： Sonos, Inc.
发明人： Matthew Buoni , Romi Kadri , Tetsuro Oishi
IPC分类号： H04R3/00 , G10L15/08 , G10L15/22 , G10L15/28 , G10L25/78 , H04R1/40 , H04R29/00 , G10L21/0216
CPC分类号： H04R3/005 , G10L15/08 , G10L15/22 , G10L15/28 , G10L25/78 , H04R1/406 , H04R29/005 , G10L2015/088 , G10L2015/223 , G10L2021/02166 , H04R2227/003 , H04R2227/005 , H04R2430/21
摘要： Systems and methods for three-dimensional beamforming disclosed herein include, among other features (i) generating a set of received-sound beams by applying a plurality of sets of beamforming coefficients stored in a tangible memory of the network device to sound received via a microphone array of the network device, wherein each received-sound beam corresponds to a separate direction relative to the microphone array, (ii) identifying a subset of the received-sound beams comprising speech content, (iii) for each received-sound beam in the subset of the received-sound beams comprising speech content, determining whether the speech content comprises a wake word, (iv) selecting one final received-sound beam from the received-sound beams in the subset of the received-sound beams determined to comprise a wake word; and (v) causing the selected one final received-sound beam to be processed to identify a voice command.
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公开(公告)号：US20240236562A9
公开(公告)日：2024-07-11
申请号：US18049234
申请日：2022-10-24
IPC分类号： H04R3/00 , G06F3/0346 , H04R1/02 , H04R1/40 , H04R29/00
CPC分类号： H04R3/005 , G06F3/0346 , H04R1/028 , H04R1/406 , H04R29/005 , H04R2499/11
摘要： Systems and methods are described for improving audio quality. Sensor data is received from an accelerometer of a camera. Based on measurements captured by the sensor data, a position of a lens of the camera and a current field of view (FOV) of the camera is determined. Audio beamforming is performed based on the current FOV of the camera by selecting a subset of microphones disposed on the camera to record audio based on the position of the lens and the current FOV of the camera; and activating the subset of microphones disposed on the camera, where microphones outside the selected subset of microphones are excluded from activation so that audio originating outside of the current FOV is removed.
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公开(公告)号：US12015901B2
公开(公告)日：2024-06-18
申请号：US17830931
申请日：2022-06-02
发明人： Tomoharu Awano , Masaru Kimura
CPC分类号： H04R3/005 , H04R1/406 , H04R3/04 , H04R29/005
摘要： An information processing device includes a sound signal acquisition unit that acquires sound signals outputted from a mic array, an analysis unit that analyzes frequencies of the sound signals, an information acquisition unit that acquires predetermined information indicating a steering vector in a first direction as a direction from the mic array to a target sound source, and a calculation unit that calculates a filter for formation in a second direction as a direction different from the first direction based on the frequencies and the information indicating the steering vector in the first direction and calculates a steering vector in the second direction by using an expression indicating a relationship between the calculated filter and the steering vector in the second direction.
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公开(公告)号：US11985488B2
公开(公告)日：2024-05-14
申请号：US17662902
申请日：2022-05-11
CPC分类号： H04R3/12 , H04R3/005 , H04R5/02 , H04R5/027 , H04R29/002 , H04R29/005 , H04S3/008 , H04R2430/01 , H04S2400/01 , H04S2400/13 , H04S2400/15
摘要： Embodiments include a processing device communicatively coupled to a plurality of audio devices comprising at least one microphone and at least one speaker, and to a digital signal processing (DSP) component having a plurality of audio input channels for receiving audio signals captured by the at least one microphone, the processing device being configured to identify one or more of the audio devices based on a unique identifier associated with each of the one or more audio devices; obtain device information from each identified audio device; and adjust one or more settings of the DSP component based on the device information. A computer-implemented method of automatically configuring an audio conferencing system, comprising a digital signal processing (DSP) component and a plurality of audio devices including at least one speaker and at least one microphone, is also provided.
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公开(公告)号：US11985487B2
公开(公告)日：2024-05-14
申请号：US17710955
申请日：2022-03-31
申请人： Intel Corporation
发明人： Hector Cordourier Maruri , Willem Beltman , Jose Rodrigo Camacho Perez , Paulo Lopez Meyer , Julio Zamora Esquivel , Alejandro Ibarra Von Borstel
CPC分类号： H04R3/005 , G10L25/18 , G10L25/30 , H04R1/406 , H04R29/005 , H04R2430/03
摘要： Methods, apparatus, systems, and articles of manufacture are disclosed to enhance and audio signal. An example apparatus includes processor circuitry to at least determine a first signal spectrum corresponding to a first microphone, the first signal spectrum identifying first audio, determine a second signal spectrum corresponding to a second microphone, the second signal spectrum identifying the first audio, the second spectrum different from the first spectrum, the first microphone different from the second microphone, the second signal spectrum having a first spectral distance to the first signal spectrum, calculate a mask based on the first and second signal spectrums, and generate a third signal spectrum corresponding to the first microphone utilizing the mask and the first signal spectrum, the third signal spectrum different from the first signal spectrum, the third signal spectrum having a second spectral distance to the second signal spectrum, the second spectral distance less than the first spectral distance.
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