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公开(公告)号：US12143801B2
公开(公告)日：2024-11-12
申请号：US17666868
申请日：2022-02-08
Applicant: Apple Inc.
Inventor： Matthew S. Connolly , Christopher T. Eubank , Stephen E. Pinto , Tomlinson Holman
IPC: H04S7/00 , G06F3/16 , G10L19/008 , G10L19/16
Abstract: An audio asset library containing audio assets formatted in accordance with a file format for spatial audio includes asset metadata that enables simulated reality (SR) application developers to compose sounds for use in SR applications. The audio assets are formatted to include audio data encoding a sound capable of being composed into a SR application along with asset metadata describing not only how the sound was encoded, but also how a listener in SR environment experiences the sound. A SR developer platform is configured so that developers can compose sound for SR objects using audio assets stored in the audio library, including editing the asset metadata to include transformation parameters that support dynamic transformation of the asset metadata in the SR environment to alter how the SR listener experiences the composed sound. Other embodiments are also described and claimed.
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公开(公告)号：US20240073638A1
公开(公告)日：2024-02-29
申请号：US18497933
申请日：2023-10-30
Applicant: Apple Inc.
Inventor： Jonathan D. Sheaffer , Daniel K. Boothe , Martin E. Johnson , Neal D. Evans , Nikolas T. Vitt , Christopher T. Eubank , Peter V. Jupin , Symeon Delikaris Manias , Shai Messingher Lang
CPC classification number: H04S7/301 , H04R1/1008 , H04R1/403 , H04R1/406 , H04R29/005 , H04S2400/01 , H04S2420/01
Abstract: A method for self-calibrating a sound pickup process that uses a microphone array in a wearable device that also includes a loudspeaker, where the microphone array being in a physical arrangement with respect to the loudspeaker. The method obtains, for each of several microphones of the microphone array, one or more transfer functions that each represent a response of the microphone to sound from a position in an acoustic space. The method determines whether a physical arrangement of the microphone array with respect to the loudspeaker has changed and adjusts the transfer function, for at least one of the microphones of the several microphones, in response to determining that the current physical arrangement of the microphone array with respect to the loudspeaker has changed.
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公开(公告)号：US11822367B2
公开(公告)日：2023-11-21
申请号：US17322691
申请日：2021-05-17
Applicant: Apple Inc.
Inventor： Christopher T. Eubank , Devin W. Chalmers , Kirill Kalinichev , Rahul Nair , Thomas G. Salter
IPC: G06F3/16 , G06F3/01 , G06V40/19 , G10K11/175 , G10K11/178 , G10L25/51 , G10L25/78 , H04R1/08 , H04R1/10 , H04R1/40 , H04R3/00
CPC classification number: G06F3/165 , G06F3/013 , G06F3/017 , G06V40/19 , G10K11/1754 , G10K11/17881 , G10L25/51 , G10L25/78 , H04R1/08 , H04R1/1041 , H04R1/406 , H04R3/005 , G10K2210/1081 , G10K2210/3026 , G10K2210/3027 , G10K2210/3044 , H04R2430/01
Abstract: A method performed by an audio system comprising a headset. The method sends a playback signal containing user-desired audio content to drive a speaker of the headset that is being worn by a user, receives a microphone signal from a microphone that is arranged to capture sounds within an ambient environment in which the user is located, performs a speech detection algorithm upon the microphone signal to detect speech contained therein, in response to a detection of speech, determines that the user intends to engage in a conversation with a person who is located within the ambient environment, and, in response to determining that the user intends to engage in the conversation, adjusts the playback signal based on the user-desired audio content.
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公开(公告)号：US20230113703A1
公开(公告)日：2023-04-13
申请号：US17937534
申请日：2022-10-03
Applicant: Apple Inc.
Inventor： Christopher T. Eubank , Ronald J. Guglielmone, JR.
Abstract: A method performed by a first electronic device that includes a first speaker, the method includes, receiving, via a network, a representation of audio content, while a second electronic device is playing back the audio content through a second speaker, determining that the first electronic device is moving away from the second electronic device, and, in response to determining that the first electronic device is moving away from the second electronic device, using the representation of audio to play back the audio content through the first speaker.
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公开(公告)号：US11520041B1
公开(公告)日：2022-12-06
申请号：US16580337
申请日：2019-09-24
Applicant: Apple Inc.
Inventor： Christopher T. Eubank , Ryan S. Carlin
Abstract: In one implementation, a method includes: obtaining a first depth estimation characterizing a distance between the device and a surface in a real-world environment, wherein the first depth estimation is derived from image data including a representation of the surface; receiving, using the audio transceiver, an acoustic reflection of an acoustic wave, wherein the acoustic wave is transmitted in a known direction relative to the device; and determining a second depth estimation based on the acoustic reflection, wherein the second depth estimation characterizes the distance between the device and the surface in the real-world environment; and determining a confirmed depth estimation characterizing the distance between the device and the surface based on resolving any mismatch between the first depth estimation and the second depth estimation.
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Patent Agency Ranking
公开(公告)号：US11366325B2
公开(公告)日：2022-06-21
申请号：US17064829
申请日：2020-10-07
Applicant: Apple Inc.
Inventor： Robert D. Silfvast , James W. VanDyke , Jeremy C. Franklin , Neal D. Evans , Christopher T. Eubank
Abstract: An audio component for a head-mounted display system includes a first port through which sound is projected to a user during operation in a first audio mode, a second port through which sound is projected to a user during operation in a second audio mode, an insulator positioned along an acoustic path between the first port and the second port, wherein the insulator is configured to inhibit sound projection along the acoustic path by isolating the first port from the second port, and an earpiece configured to engage the audio component to an ear of the a user, to deliver sound from the audio component to the user, and to reduce ambient noise from a surrounding environment during operation of the audio component in the second audio mode.
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公开(公告)号：US20220091812A1
公开(公告)日：2022-03-24
申请号：US17242080
申请日：2021-04-27
Applicant: Apple Inc.
Inventor： Christopher T. Eubank , Tomlinson Holman
Abstract: A method performed by a portable media player device. The method receives a microphone signal that includes audio content output by an audio playback device via a loudspeaker. The method determines identification information regarding the audio content, wherein the identification information is determined through an acoustic signal analysis of the microphone signal. In response to determining that the audio playback device has ceased outputting the audio content, the method retrieves from local memory of the portable media player device or a remote device with which the portable media player device is communicatively coupled, an audio signal that corresponds to the audio content and drives a speaker that is not part of the audio playback device using the audio signal to continue outputting the audio content and any additional audio content related to the audio content.
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公开(公告)号：US11202164B2
公开(公告)日：2021-12-14
申请号：US16651316
申请日：2018-09-25
Applicant: Apple Inc.
Inventor： Juha O. Merimaa , Christopher T. Eubank , Martin E. Johnson , Stuart J. Wood , Deepak Natarajan
Abstract: Methods and apparatus for predictive head-tracked binaural audio rendering in which a rendering device renders multiple audio streams for different possible head locations based on head tracking data received from a headset, for example audio streams for the last known location and one or more predicted or possible locations, and transmits the multiple audio streams to the headset. The headset then selects and plays one of the audio streams that is closest to the actual head location based on current head tracking data. If none of the audio streams closely match the actual head location, two closest audio streams may be mixed. Transmitting multiple audio streams to the headset and selecting or mixing an audio stream on the headset may mitigate or eliminate perceived head tracking latency.
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公开(公告)号：US20210329405A1
公开(公告)日：2021-10-21
申请号：US17360823
申请日：2021-06-28
Applicant: Apple Inc.
Inventor： Christopher T. Eubank , Joshua D. Atkins , Soenke Pelzer , Dirk Schroeder
IPC: H04S7/00
Abstract: Processing sound in an enhanced reality environment can include generating, based on an image of a physical environment, an acoustic model of the physical environment. Audio signals captured by a microphone array, can capture a sound in the physical environment. Based on these audio signals, one or more measured acoustic parameters of the physical environment can be generated. A target audio signal can be processed using the model of the physical environment and the measured acoustic parameters, resulting in a plurality of output audio channels having a virtual sound source with a virtual location. The output audio channels can be used to drive a plurality of speakers. Other aspects are also described and claimed.
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公开(公告)号：US10816812B2
公开(公告)日：2020-10-27
申请号：US16381330
申请日：2019-04-11
Applicant: Apple Inc.
Inventor： Robert D. Silfvast , James W. VanDyke , Jeremy C. Franklin , Neal D. Evans , Christopher T. Eubank
Abstract: A head-mounted display system is disclosed that includes a housing; a visual system associated with the housing to facilitate image and/or video display; a wearable support connectable to the housing; and an audio component pivotably connected to the support such that the audio component is movable between a first position in which the audio component is in general alignment with the support, and a second position in which the audio component is out of general alignment with the support. Movement from the first position to the second position transitions the audio component from a first mode (i.e., an extra-aural mode) in which sound is projected through a first port in communication with a driver to a user to a second mode (i.e., an intra-aural mode) in which sound is projected through a second port in communication with the driver to the user.
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