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公开(公告)号：US20190289395A1
公开(公告)日：2019-09-19
申请号：US16435234
申请日：2019-06-07
Applicant: Dolby Laboratories Licensing Corporation
Inventor： David Matthew FISCHER , Sripal S. MEHTA , Timothy James EGGERDING
Abstract: A system and method of providing a signal to wireless speakers. An audio stick connects to a source device and provides the audio signal to the wireless speakers. The audio stick combines the functionality of two separate devices: an audio receiver device and a transmitter device for the wireless speakers.
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公开(公告)号：US20180367939A1
公开(公告)日：2018-12-20
申请号：US16060372
申请日：2016-12-14
Applicant: DOLBY LABORATORIES LICENSING CORPORATION
Inventor： David Matthew FISCHER , Warren MANSFIELD , Adam Christopher NOEL , Timothy James EGGERDING , Philip NICOL
CPC classification number: H04S7/305 , H04R1/26 , H04R1/323 , H04R3/12 , H04R5/02 , H04R2205/024 , H04R2420/01 , H04S3/00
Abstract: Systems and methods are described for an adaptive audio system that renders reflected sound for adaptive audio systems in different ways depending on the orientation of at least one speaker in a set of speakers. A speaker of the system may comprise an integrated speaker having front-firing and upward-firing drivers, a sensor to determine the orientation of the speaker (e.g., horizontal or vertical) and a transceiver and control unit that transmits the orientation to a decoder and receives updated speaker feeds from the renderer based on the orientation.
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公开(公告)号：US20180255398A1
公开(公告)日：2018-09-06
申请号：US15756555
申请日：2016-09-01
Applicant: DOLBY LABORATORIES LICENSING CORPORATION
Inventor： David Matthew FISCHER , Sripal S. MEHTA , Timothy James EGGERDING
CPC classification number: H04R3/12 , G06F3/162 , H04R2420/07 , H04R2420/09 , H04S7/301
Abstract: A system and method of providing a signal to wireless speakers. An audio stick connects to a source device and provides the audio signal to the wireless speakers. The audio stick combines the functionality of two separate devices: an audio receiver device and a transmitter device for the wireless speakers.
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公开(公告)号：US20220366933A1
公开(公告)日：2022-11-17
申请号：US17683662
申请日：2022-03-01
Applicant: Dolby Laboratories Licensing Corporation
Inventor： Chunmao ZHANG , Lianwu CHEN , Ziyu YANG , Joshua Brandon LANDO , David Matthew FISCHER , Lie LU
Abstract: An apparatus and method of blind detection of binauralized audio. If the input content is detected as binaural, a second binauralization may be avoided. In this manner, the user experience avoids audio artifacts introduced by multiple binauralizations.
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公开(公告)号：US20200241830A1
公开(公告)日：2020-07-30
申请号：US16751165
申请日：2020-01-23
Applicant: Dolby Laboratories Licensing Corporation
Inventor： David Matthew FISCHER , Benjamin George WEBSTER , Adam Scott KONIAK , Kevin Cheng LAI
IPC: G06F3/16 , G10L19/008 , H04B10/114
Abstract: An apparatus and method of interfacing between a source media device and a destination media device. A wireless module passes through an audio signal from the source device to an output device, and transmits a wireless signal to a wireless device that outputs the audio signal. In this manner, the number of devices used for the connections may be reduced.
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Patent Agency Ranking
公开(公告)号：US20210056984A1
公开(公告)日：2021-02-25
申请号：US17050786
申请日：2019-04-24
Applicant: Dolby Laboratories Licensing Corporation
Inventor： Chunmao ZHANG , Lianwu CHEN , Ziyu YANG , Joshua Brandon LANDO , David Matthew FISCHER , Lie LU
Abstract: An apparatus and method of blind detection of binauralized audio. If the input content is detected as binaural, a second binauralization may be avoided. In this manner, the user experience avoids audio artifacts introduced by multiple binauralizations.
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公开(公告)号：US20170243596A1
公开(公告)日：2017-08-24
申请号：US15329909
申请日：2015-07-27
Applicant: Dolby Laboratories Licensing Corporation
Inventor： Timothy James EGGERDING , Christian WOLFF , Adam Christopher NOEL , David Matthew FISCHER , Sergio MARTINEZ
IPC: G10L19/20 , H04S5/00 , G10L19/018 , H04S3/00 , G10L19/16 , G10L19/008
CPC classification number: G10L19/20 , G10L19/008 , G10L19/018 , G10L19/167 , H04S3/008 , H04S5/00 , H04S2400/11
Abstract: Embodiments are directed processing adaptive audio content by determining an audio type as one of channel-based audio and object-based audio for each audio segment of an adaptive audio bitstream, tagging the each audio segment with a metadata definition indicating the audio type of the corresponding audio segment, processing audio segments tagged as channel-based audio in a channel audio renderer component, and processing audio segments tagged as object-based audio in an object audio renderer component that is distinct from the channel audio renderer component. Object-based audio is rendered through an object audio renderer interface that dynamically adjusts processing block sizes of the object audio segments based on timing and alignment of metadata updates and maximum/minimum block size parameters.
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公开(公告)号：US20190253801A1
公开(公告)日：2019-08-15
申请号：US16336861
申请日：2017-09-28
Inventor： Daniel ARTEAGA , Giulio CENGARLE , David Matthew FISCHER , Antonio MATEOS SOLE , Davide SCAINI , Alan J. SEEFELDT
Abstract: Embodiments are described for a method for localizing a set of speakers (106) and microphones (108), having only the times of arrival between each of the speakers and microphones. An autodiscovery process (107) uses an external input to set: a global translation (3 continuous parameters), a global rotation (3 continuous parameters), and discrete symmetries, i.e., an exchange of any axis pairs and/or reversal of any axis. Different time of arrival acquisition techniques may be used, such as ultrasonic sweeps or generic multitrack audio content. The autodiscovery algorithm is based in minimizing a certain cost function, and the process allows for latencies in the recordings, possibly linked to the latencies in the emission.
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公开(公告)号：US20180115733A1
公开(公告)日：2018-04-26
申请号：US15557450
申请日：2016-03-03
Inventor： David Matthew FISCHER , Timothy James EGGERDING , Christian WOLFF , Bartosz BUDZANOWSKI , Tomasz BARTCZAK
IPC: H04N5/44 , H04R3/12 , H04N5/60 , H04N21/4363 , H04N21/422
CPC classification number: H04N5/4403 , H04N5/60 , H04N7/16 , H04N21/42204 , H04N21/43635 , H04R3/12 , H04R2420/07 , H04S3/008
Abstract: A system and method of interfacing between a source media device, a destination media device and wireless speakers. A media stick provides the output video signal to the destination media device via a wired signal path, and provides the output audio signal to the wireless speakers via a wireless signal path. In this manner, a user may use a single device—the media stick—as both a connector between the devices and to provide the audio signal to the wireless speakers.
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公开(公告)号：US20160150347A1
公开(公告)日：2016-05-26
申请号：US14899481
申请日：2014-06-17
Applicant: DOLBY LABORATORIES LICENSING CORPORATION
Inventor： David Matthew FISCHER , Timothy James EGGERDING , Eugene Edward RADZIK , Adam Christopher NOEL , David S. MCGRATH
CPC classification number: H04S7/308 , H03G11/008 , H04R3/04 , H04R3/12 , H04R3/14 , H04S3/008 , H04S5/00 , H04S7/30 , H04S2400/03 , H04S2400/07 , H04S2400/11
Abstract: Improved methods and devices for processing low-frequency audio data are provided. A bass extraction process may involve applying low-pass filters to received audio object signals, to produce extracted low-frequency audio signals. The bass extraction process may be performed prior to a process of rendering audio objects into speaker feed signals. A bass management process may involve routing the extracted low-frequency audio signals to the one or more speakers capable of reproducing low-frequency audio signals.
Abstract translation: 提供了改进的处理低频音频数据的方法和设备。 低音提取处理可以包括对接收的音频对象信号应用低通滤波器，以产生提取的低频音频信号。 可以在将音频对象呈现为扬声器馈送信号的处理之前执行低音提取处理。 低音管理过程可以包括将所提取的低频音频信号路由到能够再现低频音频信号的一个或多个扬声器。
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