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1. 发明授权

US10945063B2 Neckband headset with noise rejection 有权
公开(公告)号：US10945063B2
公开(公告)日：2021-03-09
申请号：US16533641
申请日：2019-08-06
申请人： Plantronics, Inc.
发明人： Cheng Liu , John A Kelley , Wen Song , John S. Graham
IPC分类号： H04R1/10 , H04R1/08 , G10L21/0232 , H04R3/00 , G06F3/16 , H04R1/40
摘要： A communication headset includes a neckband with a horseshoe-shaped footprint and two microphone tips disposed at two ends of the neckband, the two ends establishing an aperture of the horseshoe-shaped footprint. Each of the two microphone tips includes a slanted base. The communication headset further includes a microphone array including two sets of microphones in a spatial configuration in which the two sets of microphones are disposed on the slanted bases of the two microphone tips. An effective acoustic spacing between the microphones in the microphone array is at least 15 mm.

2. 发明申请

US20170374444A1 Sound Exposure Limiter 有权
公开(公告)号：US20170374444A1
公开(公告)日：2017-12-28
申请号：US15189491
申请日：2016-06-22
申请人： Plantronics, Inc.
发明人： Iain McNeill , Kwangsee Allen Woo , John S. Graham
IPC分类号： H04R1/10 , H04R29/00
CPC分类号： H04R1/10 , H04R1/1083 , H04R29/001 , H04R2420/09 , H04R2430/01 , H04R2460/01
摘要： Methods and apparatuses for user sound exposure limiting are disclosed. In one example, an accumulated sound dose exposure from a headset speaker is determined for a plurality of sequentially monitored time intervals during a current listening session, wherein the current listening session comprises a total session time. It is determined whether a predicted sound dose exposure for the total session time exceeds or falls below a permitted sound dose exposure limit, the predicted sound dose exposure determined from the accumulated sound dose exposure. A threshold intervention level at which a time-weighted-average limiter at a headset applies attenuation to an audio signal output at a headset speaker is adjusted.

3. 发明申请

US20150112671A1 Headset Interview Mode 有权
标题翻译：耳机采访模式
公开(公告)号：US20150112671A1
公开(公告)日：2015-04-23
申请号：US14057854
申请日：2013-10-18
申请人： Plantronics, Inc.
发明人： Timothy P. Johnston , Jacob T. Meyberg , John S. Graham
IPC分类号： H04R1/10 , G10L25/78
CPC分类号： H04R1/1083 , G10L21/0208 , G10L2021/02166 , H04R3/005 , H04R27/00 , H04R2227/003 , H04R2227/009
摘要： Methods and apparatuses for headsets are disclosed. In one example, a headset includes a processor, a communications interface, a user interface, and a speaker. The headset includes a microphone array including two or more microphones arranged to detect sound and output two or more microphone output signals. The headset further includes a memory storing an application executable by the processor configured to operate the headset in a first mode utilizing a first set of signal processing parameters to process the two or more microphone output signals and operate the headset in a second mode utilizing a second set of signal processing parameters to process the two or more microphone output signals.
摘要翻译：公开了耳机的方法和装置。在一个示例中，耳机包括处理器，通信接口，用户接口和扬声器。耳机包括麦克风阵列，包括两个或更多个麦克风，其布置成检测声音并输出两个或多个麦克风输出信号。头戴式耳机还包括存储器，其存储可由处理器执行的应用，该处理器被配置为利用第一组信号处理参数在第一模式下操作耳机，以处理两个或多个麦克风输出信号，并以第二模式操作头戴式耳机，一组信号处理参数来处理两个或多个麦克风输出信号。

4. 发明申请

US20210044889A1 Neckband Headset with Noise Rejection 有权
公开(公告)号：US20210044889A1
公开(公告)日：2021-02-11
申请号：US16533641
申请日：2019-08-06
申请人： Plantronics, Inc.
发明人： Cheng Liu , John A Kelley , Wen Song , John S. Graham
IPC分类号： H04R1/10 , H04R1/08 , G10L21/0232 , H04R1/40 , H04R3/00 , G06F3/16
摘要： A communication headset includes a neckband with a horseshoe-shaped footprint and two microphone tips disposed at two ends of the neckband, the two ends establishing an aperture of the horseshoe-shaped footprint. Each of the two microphone tips includes a slanted base. The communication headset further includes a microphone array including two sets of microphones in a spatial configuration in which the two sets of microphones are disposed on the slanted bases of the two microphone tips. An effective acoustic spacing between the microphones in the microphone array is at least 15 mm

5. 发明申请

US20150348530A1 Noise Masking in Headsets 审中-公开
标题翻译：耳机中的噪音遮蔽
公开(公告)号：US20150348530A1
公开(公告)日：2015-12-03
申请号：US14293901
申请日：2014-06-02
申请人： Plantronics, Inc.
发明人： Benedict Andrew Findlay , Evan Harris Benway , Ken Kannappan , John S. Graham
IPC分类号： G10K11/178 , G10L21/0208 , H04R5/033 , H04R3/12 , H04R5/04 , H04S7/00 , G10L21/0216
CPC分类号： G10K11/178 , G10L21/0208 , G10L21/0216 , G10L2021/02165 , H04R1/1083 , H04R3/12 , H04R5/033 , H04R5/04 , H04R2460/01 , H04S7/304
摘要： Methods and apparatuses for addressing open space noise are disclosed using both dynamic and static sound masking. In one example, an adaptive sound masking system and method portions undesired sound into time-blocks and estimates frequency spectrum and power level, and continuously generates masking noise with a matching or predetermined spectrum and loudness or power level to mask the undesired sound. In another example, a static sound masking system and method portions undesired sound into time-blocks and estimates frequency spectrum and power level, and generates a static noise-masking signal with a matching spectrum and power level to mask the undesired sound.
摘要翻译：公开了用于解决开放空间噪声的方法和装置，其使用动态和静态声音掩蔽。在一个示例中，自适应声音屏蔽系统和方法将不期望的声音部分分解成时间块并估计频谱和功率电平，并且连续地生成具有匹配或预定频谱和响度或功率电平的掩蔽噪声以掩蔽不期望的声音。在另一示例中，静态声音屏蔽系统和方法将不期望的声音部分分解成时间块并估计频谱和功率电平，并且产生具有匹配的频谱和功率电平的静态噪声屏蔽信号以掩蔽不期望的声音。

6. 发明申请

US20230139601A1 SYSTEM FOR POWER CONSUMPTION BALANCING IN WIRELESS EARBUDS 有权
公开(公告)号：US20230139601A1
公开(公告)日：2023-05-04
申请号：US17530254
申请日：2021-11-18
申请人： Plantronics, Inc.
发明人： John S. Graham , Mingqi Wu , Shoubo Feng
IPC分类号： H04R1/10 , H04R5/033 , G06F1/3212
摘要： A first earbud configured to communicate with a user media device and a second earbud. The first earbud includes a battery, a battery monitor configured to determine a power level of the battery, a mode controller. The mode controller is configured to receive a first power level value from the battery monitor and a second power level value from the second earbud and make a determination that the first earbud is operating in a primary mode in which the first earbud receives audio data from the user media device and transmits the received audio data to the second earbud. The mode controller is further configured, in response to the determination that the first earbud is operating in the primary mode, switch the first earbud from the primary mode to a secondary mode based on at least one of the first power level and the second power level.

7. 发明申请

US20230134602A1 DISTRIBUTED MICROPHONE IN WIRELESS AUDIO SYSTEM 有权
公开(公告)号：US20230134602A1
公开(公告)日：2023-05-04
申请号：US17530298
申请日：2021-11-18
申请人： Plantronics, Inc.
发明人： Xiao Hui Dang , John S. Graham , Scott Walsh
IPC分类号： H04R1/10 , H04R3/12 , H04M1/60 , H04W4/80
摘要： A microphone device generates a transmit audio stream via at least one microphone on the microphone device. The microphone device transmits the transmit audio stream to the computing device via a first wireless connection and ignores a receive audio stream received from the computing device via the first wireless connection. The speaker device obtains a set of connection parameters for the first wireless connection between the microphone device and the computing device, intercepts the receive audio stream transmitted using the first wireless connection from the computing device to the microphone device, and plays the receive audio stream on a speaker of the speaker device.

8. 发明申请

US20200092638A1 Equipment Including Down-Firing Speaker 审中-公开
公开(公告)号：US20200092638A1
公开(公告)日：2020-03-19
申请号：US16130839
申请日：2018-09-13
申请人： Plantronics, Inc.
发明人： John A. Schaffer , Jacob T. Meyberg Guzman , John S. Graham
IPC分类号： H04R1/34 , H04R27/00 , H04R1/30
摘要： A desktop device comprises a housing having a bottom side configured to face a surface on which the device is to be placed, such as a desktop, and a front side configured to face a user of the device. A down-firing speaker is placed inside the housing. A speaker port is disposed on the bottom side of the housing. A horn assembly on the housing is arranged to define a speaker horn in combination with the surface on which the device is placed.

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