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公开(公告)号：US11635938B2
公开(公告)日：2023-04-25
申请号：US17890979
申请日：2022-08-18
申请人： Apple Inc.
IPC分类号： G06F3/048 , G06F3/16 , G06F3/0481 , G06F3/0486 , G06F3/04883 , H04S1/00 , H04S7/00
摘要： The present disclosure generally relates to user interfaces for managing spatial audio. Some exemplary techniques include user interfaces for transitioning between visual elements. Some exemplary techniques include user interfaces for previewing audio. Some exemplary techniques include user interfaces for discovering music. Some exemplary techniques include user interfaces for managing headphone transparency. Some exemplary techniques include user interfaces for manipulating multiple audio streams of an audio source.
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公开(公告)号：US20230119651A1
公开(公告)日：2023-04-20
申请号：US17873199
申请日：2022-07-26
申请人： BENQ CORPORATION
发明人： Yuan-Chen LIAO , Chen-Cheng HUANG
摘要： A sound management system for a multimedia display apparatus includes: a first audio device built in a display apparatus to provide first audio, a second audio device separated from the display apparatus to provide second audio, a portable device separated from both the display and the second audio device, optionally being moved to the first or second position to receive and analyze either a first sound field at a first position or a second sound field at a second positions respectively formed by the first audio and the second audio, and a controller used to notify the first and/or second audio devices to adjust the first and/or second audio according to the analysis to synthesize either a first adjusted sound field at the first position or a second adjusted sound field at the second position with sound characteristics similar to that of a target sound audio.
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公开(公告)号：US11632641B2
公开(公告)日：2023-04-18
申请号：US16795564
申请日：2020-02-19
发明人： Simone Neukam , Jan Plogsties , Max Neuendorf , Juergen Herre , Bernhard Grill
摘要： An apparatus for playing back an audio object associated with a position includes a distance calculator for calculating distances of the position to speakers or for reading the distances of the position to the speakers. The distance calculator is configured to take a solution with a smallest distance. The apparatus is configured to play back the audio object using the speaker corresponding to the solution.
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公开(公告)号：US20230114777A1
公开(公告)日：2023-04-13
申请号：US17939883
申请日：2022-09-07
发明人： Hisako MURATA , Takahiro Gejo , Yumi Fujii , Masaya Konishi
摘要： An object of the present disclosure is to provide a filter generation device and a filter generation method, capable of generating a filter suitable for out-of-head localization processing. A processing device according to an embodiment includes: a frequency characteristics acquisition unit configured to acquire frequency characteristics based on sound pickup signals; a level calculation unit configured to calculate a reference level in the frequency characteristics; a correction unit configured to correct the frequency characteristics so that the frequency characteristics fall within a predetermined level range including the reference level, and thereby calculate corrected characteristics; and a filter generation unit configured to generate a corrected filter based on the corrected characteristics.
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公开(公告)号：US20230082132A1
公开(公告)日：2023-03-16
申请号：US17505514
申请日：2021-10-19
摘要： A wearable electronic device includes an anterior pendant and a posterior pendant. A first neck strap couples a first side of the anterior pendant to the posterior pendant, while a second neck strap couples a second side of the anterior pendant to the posterior pendant. The posterior pendant includes a first single channel posterior audio output delivering a left channel audio signal through a first port and a second single channel posterior audio output delivering a right channel audio signal from a second port. The anterior pendant has a single channel anterior audio output delivering a combined left channel audio signal and right channel audio signal to pull the stereo image defined by the combined acoustic signals toward the anterior pendant.
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6.发明申请公开(公告)号：US20230048860A1
公开(公告)日：2023-02-16
申请号：US17758927
申请日：2021-01-12
摘要： A stereo sound pickup method and apparatus, a terminal device, and a computer-readable storage medium. The method includes configuring a terminal device to record a video, wherein the terminal device comprises a plurality of microphones, configuring the plurality of microphones to capture a sound, and forming a stereo beam based on the captured sound. The stereo beam is related to a video recording scenario of the terminal device, and the video recording scenario includes a posture of the terminal device and usage of a camera, the posture includes that the terminal device is in a landscape mode or a portrait mode, and the usage of the camera includes that a rear-facing camera is used or a front-facing camera is used.
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公开(公告)号：US11570546B2
公开(公告)日：2023-01-31
申请号：US16907683
申请日：2020-06-22
申请人： GoPro, Inc.
发明人： Erich Tisch , Kielan C. Crow , Adrian Santos
摘要： An image capture device includes an audio depression formed into the housing with a drainage microphone mounted therein. A cover protects the drainage microphone disposed beneath the cover from an environment external to the image capture device. The cover and audio depression define a drainage channel extending from a channel entrance, through a channel volume, and out a channel exit. The surface area of the opening of the channel entrance is proportioned relative to the channel volume such that the ratio of the surface area to volume is greater than ten percent. This allows the cover to shift resonance outside of a desired frequency band.
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公开(公告)号：US20230025801A1
公开(公告)日：2023-01-26
申请号：US17859801
申请日：2022-07-07
申请人： Boomcloud 360 Inc.
IPC分类号： H04S7/00 , H04S3/00 , H04S1/00 , H04R3/04 , G10L21/028
摘要： A system includes one or more computing devices that encode spatial perceptual cues into a monaural channel to generate a plurality of output channels. A computing device determines a target amplitude response for the mid and side channels of the plurality of output channels, defining a spatial perceptual associated with one or more frequency-dependent phase shifts. The computing device determines a transfer function of a single-input, multi-output allpass filter based on the target amplitude response and determines coefficients of the allpass filter based on the transfer function, and processes the monaural channel with the coefficients of the allpass filter to generate the plurality of channels having the encoded spatial perceptual cues. The allpass filter is configured to be colorless with respect to the individual output channels, allowing for the placement of spatial cues into the audio stream to be decoupled from the overall coloration of the audio.
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公开(公告)号：US20220417696A1
公开(公告)日：2022-12-29
申请号：US17903301
申请日：2022-09-06
发明人： Hikaru USAMI , Tomokazu ISHIKAWA , Seigo ENOMOTO
摘要： A sound reproduction method includes: obtaining a first audio signal indicating a first sound which arrives at a listener from a first range and a second audio signal indicating a second sound which arrives at the listener from a predetermined direction; when the first range and the predetermined direction are determined to be included in a second range which is a back range relative to a front range in the direction that the head part of the listener faces, performing a correction process on at least one of the first audio signal or the second audio signal so that intensity of the second audio signal becomes higher than intensity of the first audio signal; and performing mixing of the at least one of the first audio signal or the second audio signal, and outputting, to an output channel, the first and second audio signals.
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公开(公告)号：US20220417691A1
公开(公告)日：2022-12-29
申请号：US17778454
申请日：2020-11-13
发明人： Mikko-Ville LAITINEN , Juha VILKAMO
IPC分类号： H04S7/00 , H04S1/00 , H04R1/32 , H04B17/364
摘要： An apparatus including circuitry configured to: obtain a binaural audio signal; obtain, based on the binaural audio signal, at least one direction parameter of at least one frequency band of the binaural audio signal; process the binaural audio signal to generate at least two audio signals for loudspeaker reproduction by modifying an inter-channel difference of the at least one frequency band of the binaural audio signal based on the at least one direction parameter for the at least one frequency band; and output the at least two audio signals for loudspeaker reproduction.
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