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1. 发明申请

WO2017034895A1 MANIPULATION OF PLAYBACK DEVICE RESPONSE USING SIGNAL PROCESSING 审中-公开
标题翻译：使用信号处理来处理播放设备的响应
公开(公告)号：WO2017034895A1
公开(公告)日：2017-03-02
申请号：PCT/US2016/047418
申请日：2016-08-17
申请人： SONOS, INC.
发明人： CHAMNESS, Mike , KADRI, Romi
IPC分类号： H04R3/12 , H04S3/02 , H04R5/02
CPC分类号： H04S5/005 , H04R1/323 , H04R3/12 , H04R5/02 , H04S3/02 , H04S5/00 , H04S7/30 , H04S7/305 , H04S7/307 , H04S2400/05 , H04S2400/13
摘要： An example method for a playback device (i) provides a center channel of audio content to one or more first audio drivers and one or more second audio drivers so that the center channel is reproduced according to a first radiation pattern and (ii) provides a side channel of audio content to the one or more first audio drivers so that the side channel is reproduced according to a second radiation pattern. The first and second radiation patterns may combine to form a response lobe that has a maximum between the respective maxima of the first and second radiation patterns. An example non-transitory computer-readable medium and an example playback device, both related to the example method, are also disclosed herein.
摘要翻译：一种播放装置（i）的示例性方法（i）向一个或多个第一音频驱动器和一个或多个第二音频驱动器提供音频内容的中心声道，使得根据第一辐射图案再现中心声道，并且（ii）将音频内容的侧边通道传送到一个或多个第一音频驱动器，使得根据第二辐射图案再现侧声道。第一和第二辐射图可以组合以形成在第一和第二辐射图案的相应最大值之间具有最大值的响应波瓣。本文还公开了与示例性方法相关的示例性非暂时计算机可读介质和示例性回放设备。

2. 发明申请

WO2016089774A1 MULTI-CHANNEL PLAYBACK OF AUDIO CONTENT 审中-公开
标题翻译：多声道播放音频内容
公开(公告)号：WO2016089774A1
公开(公告)日：2016-06-09
申请号：PCT/US2015/063008
申请日：2015-11-30
申请人： SONOS, INC.
发明人： CHAMNESS, Mike , RAMOS, Aurelio, Rafael , SHEEN, Timothy , LEHNERT, Hilmar
IPC分类号： H04S1/00
CPC分类号： H04R3/04 , H04R1/403 , H04R2201/403 , H04R2203/12 , H04R2205/024 , H04R2227/005 , H04S1/002 , H04S3/002
摘要： An example method is performed by a media playback system comprising a plurality of audio drivers having a first radiation pattern. The method includes receiving data representing audio content, where each datum of the data indicates (i) a frequency and (ii) an amplitude corresponding to the frequency. The method further includes, for each audio driver of the plurality of audio drivers, determining a transfer function; processing each datum of the data based on (i) the frequency indicated by the given datum and (ii) the determined transfer function; and providing, to the given audio driver, a respective signal representing the data processed for the given audio driver, thereby causing the plurality of audio drivers to play back the audio content according to a second radiation pattern that is different from the first radiation pattern. An example media playback system and an example non-transitory computer-readable medium related to the example method is also disclosed herein.
摘要翻译：一种示例性方法由包括具有第一辐射图案的多个音频驱动器的媒体播放系统执行。该方法包括接收表示音频内容的数据，其中数据的每个数据指示（i）频率和（ii）与频率对应的幅度。所述方法还包括：对于所述多个音频驱动器的每个音频驱动器，确定传递函数; 基于（i）由给定数据指示的频率和（ii）确定的传递函数来处理数据的每个数据; 以及向给定音频驱动器提供表示针对给定音频驱动器处理的数据的相应信号，从而使多个音频驱动器根据与第一辐射图案不同的第二辐射图来播放音频内容。本文还公开了与示例方法相关的示例性媒体回放系统和示例性非暂时性计算机可读介质。

3. 发明申请

WO2017034896A1 MANIPULATION OF PLAYBACK DEVICE RESPONSE USING AN ACOUSTIC FILTER 审中-公开
标题翻译：使用声学滤波器对播放设备响应的操作
公开(公告)号：WO2017034896A1
公开(公告)日：2017-03-02
申请号：PCT/US2016/047420
申请日：2016-08-17
申请人： SONOS, INC.
发明人： CHAMNESS, Mike , RAMOS, Aurelio
IPC分类号： H04R1/34
CPC分类号： H04R1/2842 , H04R1/345 , H04R2227/005
摘要： An acoustic filter includes holes and is configured to receive sound waves generated by an audio driver of a playback device. The sound waves comprise sound waves of a first frequency that radiate according to a first radiation pattern and sound waves of a second frequency that radiate according to a second radiation pattern that is less directed along an axis of the audio driver than the first radiation pattern. The second frequency is lower than the first frequency. The acoustic filter is configured to attenuate the sound waves of the first frequency so that the attenuated sound waves of the first frequency are emitted from the acoustic filter according to an effective radiation pattern that is less directed along the axis of the audio driver than the first radiation pattern and pass the sound waves of the second frequency in substantial accordance with the second radiation pattern.
摘要翻译：声学滤波器包括孔，并被配置为接收由回放装置的音频驱动器产生的声波。声波包括根据第一辐射图案辐射的第一频率的声波和根据不同于第一辐射图案沿着音频驱动器的轴指向的第二辐射图辐射的第二频率的声波。第二频率低于第一频率。声学滤波器被配置为衰减第一频率的声波，使得根据有效辐射模式，从声滤波器发射第一频率的衰减声波，该有效辐射模式沿着音频驱动器的轴比第一频率低辐射图案并基本上按照第二辐射图案传递第二频率的声波。

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