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公开(公告)号：US09913033B2
公开(公告)日：2018-03-06
申请号：US14292690
申请日：2014-05-30
Applicant: Apple Inc.
Inventor： Douglas S. Wyatt , Anthony J. Guetta
CPC classification number: H04R3/12 , H04R5/04 , H04R2499/11 , H04R2499/15
Abstract: A system determines to use at least two independent renderers to render at least two output streams that are to be synchronized. The independent renderers are provided with a shared synchronization object when instructed to render the respective output stream. A time when all of the independent renderers can render a respective first buffer of the respective output stream is determined from the shared synchronization object. Rendering of the output streams utilizing the independent renderers is begun at the determined time. In this way, rendering of the output streams may be synchronized.
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Patent Agency Ranking
公开(公告)号：US20150350803A1
公开(公告)日：2015-12-03
申请号：US14292690
申请日：2014-05-30
Applicant: Apple Inc.
Inventor： Douglas S. Wyatt , Anthony J. Guetta
IPC: H04S5/00
CPC classification number: H04R3/12 , H04R5/04 , H04R2499/11 , H04R2499/15
Abstract: A system determines to use at least two independent renderers to render at least two output streams that are to be synchronized. The independent renderers are provided with a shared synchronization object when instructed to render the respective output stream. A time when all of the independent renderers can render a respective first buffer of the respective output stream is determined from the shared synchronization object. Rendering of the output streams utilizing the independent renderers is begun at the determined time. In this way, rendering of the output streams may be synchronized.
Abstract translation: 系统确定使用至少两个独立渲染器来渲染要同步的至少两个输出流。 当指示渲染相应的输出流时，独立渲染器被提供有共享同步对象。 从所述共享同步对象确定所有独立渲染器可以呈现相应输出流的相应第一缓冲器的时间。 在确定的时间开始使用独立渲染器的输出流的渲染。 以这种方式，输出流的呈现可以被同步。
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公开(公告)号：US20150348379A1
公开(公告)日：2015-12-03
申请号：US14702705
申请日：2015-05-02
Applicant: Apple Inc.
Inventor： Camille Moussette , Douglas S. Wyatt , Anthony J. Guetta
CPC classification number: G08B6/00 , G08B3/10 , G11B27/10 , H04N21/4307
Abstract: A system determines to use at least two independent renderers to render at least two output streams that are to be synchronized. The independent renderers are provided with a shared synchronization object when instructed to render the respective output stream. A time when all of the independent renderers can render a respective first buffer of the respective output stream is determined from the shared synchronization object. Rendering of the output streams utilizing the independent renderers is begun at the determined time. In this way, rendering of the output streams may be synchronized.
Abstract translation: 系统确定使用至少两个独立渲染器来渲染要同步的至少两个输出流。 当指示渲染相应的输出流时，独立渲染器被提供有共享同步对象。 从所述共享同步对象确定所有独立渲染器可以呈现相应输出流的相应第一缓冲器的时间。 在确定的时间开始使用独立渲染器的输出流的渲染。 以这种方式，输出流的呈现可以被同步。
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公开(公告)号：US09613506B2
公开(公告)日：2017-04-04
申请号：US14702705
申请日：2015-05-02
Applicant: Apple Inc.
Inventor： Camille Moussette , Douglas S. Wyatt , Anthony J. Guetta
CPC classification number: G08B6/00 , G08B3/10 , G11B27/10 , H04N21/4307
Abstract: A system determines to use at least two independent renderers to render at least two output streams that are to be synchronized. The independent renderers are provided with a shared synchronization object when instructed to render the respective output stream. A time when all of the independent renderers can render a respective first buffer of the respective output stream is determined from the shared synchronization object. Rendering of the output streams utilizing the independent renderers is begun at the determined time. In this way, rendering of the output streams may be synchronized.
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公开(公告)号：US20130332969A1
公开(公告)日：2013-12-12
申请号：US13828332
申请日：2013-03-14
Applicant: APPLE INC.
Inventor： William G. Stewart , Roger N. Pantos , Douglas S. Wyatt , Zhenheng Li
IPC: H04N21/472
CPC classification number: H04N21/47202 , G11B27/034 , G11B27/038 , H04N21/23439 , H04N21/4307 , H04N21/439 , H04N21/44209 , H04N21/8456
Abstract: Systems and methods for switching between encoded media streams are disclosed. A system may be configured to receive at least two media streams of differing qualities that are associated with an identical media asset. The system can seamlessly switch between a first media stream and a second media stream using an algorithm that can determine which frames of a second stream must be discarded to sync the second stream with the first media stream. The two media streams can then be cross faded to switch from the first media stream to the second media stream.
Abstract translation: 公开了用于在编码媒体流之间切换的系统和方法。 系统可以被配置为接收与相同媒体资产相关联的不同质量的至少两个媒体流。 系统可以使用可以确定必须丢弃第二流的哪些帧以将第二流与第一媒体流同步的算法在第一媒体流和第二媒体流之间无缝切换。 然后可以将两个媒体流交叉淡入淡出以从第一媒体流切换到第二媒体流。
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公开(公告)号：US08904453B2
公开(公告)日：2014-12-02
申请号：US13828332
申请日：2013-03-14
Applicant: Apple Inc.
Inventor： William G. Stewart , Roger N. Pantos , Douglas S. Wyatt , Zhenheng Li
IPC: H04N7/173 , H04N7/10 , H04N7/025 , H04N21/43 , H04N21/2343 , H04N21/472 , H04N21/442 , G11B27/038 , H04N21/439 , H04N21/845
CPC classification number: H04N21/47202 , G11B27/034 , G11B27/038 , H04N21/23439 , H04N21/4307 , H04N21/439 , H04N21/44209 , H04N21/8456
Abstract: Systems and methods for switching between encoded media streams are disclosed. A system may be configured to receive at least two media streams of differing qualities that are associated with an identical media asset. The system can seamlessly switch between a first media stream and a second media stream using an algorithm that can determine which frames of a second stream must be discarded to sync the second stream with the first media stream. The two media streams can then be cross faded to switch from the first media stream to the second media stream.
Abstract translation: 公开了用于在编码媒体流之间切换的系统和方法。 系统可以被配置为接收与相同媒体资产相关联的不同质量的至少两个媒体流。 系统可以使用可以确定必须丢弃第二流的哪些帧以将第二流与第一媒体流同步的算法在第一媒体流和第二媒体流之间无缝切换。 然后可以将两个媒体流交叉淡入淡出以从第一媒体流切换到第二媒体流。
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