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公开(公告)号：US20160171975A1
公开(公告)日：2016-06-16
申请号：US14872207
申请日：2015-10-01
Applicant: MEDIATEK Inc.
Inventor： Liang-Che Sun , Chia-Hsien Lu , Yiou-Wen Cheng , Hsin-Ping Cheng
CPC classification number: G10L15/08 , G06F1/3206 , G06F1/3287 , G06F9/4418 , G10L15/02 , G10L15/20 , G10L15/22 , G10L15/32 , G10L2015/088
Abstract: A voice wakeup detecting device for an electronic product includes a front end detecting circuit, a speech recognition processor and a main processor. The front end detecting circuit judges whether a voice signal contains a sub-keyword according to sub-keyword model parameters. If the front end detecting circuit confirms that the voice signal contains the sub-keyword, then it generates a first interrupt signal. In response to the first interrupt signal, the speech recognition processor is enabled to judge whether the voice signal contains a keyword according to keyword model parameters. If the speech recognition processor confirms that the voice signal contains the keyword, then it generates a second interrupt signal. In response to the second interrupt signal, the main processor is enabled. Consequently, the electronic produce is waked up from a sleep state to a normal working state.
Abstract translation: 用于电子产品的语音唤醒检测装置包括前端检测电路，语音识别处理器和主处理器。 前端检测电路根据子关键词模型参数判断语音信号是否包含子关键词。 如果前端检测电路确认语音信号包含子关键字，则产生第一个中断信号。 响应于第一中断信号，语音识别处理器能够根据关键词模型参数判断语音信号是否包含关键词。 如果语音识别处理器确认语音信号包含关键词，则产生第二个中断信号。 响应于第二个中断信号，主处理器被使能。 因此，电子产品从睡眠状态唤醒到正常工作状态。
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2.发明申请AUDIO SAMPLE RATE CONTROL METHOD APPLIED TO AUDIO FRONT-END AND RELATED NON-TRANSITORY MACHINE READABLE MEDIUM 审中-公开适用于音频前端和相关非中继机可读介质的音频采样率控制方法公开(公告)号：US20160300583A1
公开(公告)日：2016-10-13
申请号：US15037328
申请日：2015-10-29
Applicant: MEDIATEK INC.
Inventor： Pei-Lin Hsu , Chi-Peng Chang , Hsin-Ping Cheng
CPC classification number: G10L21/01 , G06F3/162 , G11B20/10009 , G11B20/10037 , H04R3/00
Abstract: An audio sample rate control method includes at least the following steps: when an audio source is required to undergo audio playback via an audio front-end (AFE), checking a sample rate control criterion; and performing sample rate control upon the AFE according to a checking result of the sample rate control criterion.
Abstract translation: 音频采样率控制方法至少包括以下步骤：当音频源经由音频前端（AFE）进行音频回放时，检查采样率控制标准; 并根据采样率控制标准的检查结果对AFE进行采样率控制。
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公开(公告)号：US09779725B2
公开(公告)日：2017-10-03
申请号：US14872207
申请日：2015-10-01
Applicant: MEDIATEK Inc.
Inventor： Liang-Che Sun , Chia-Hsien Lu , Yiou-Wen Cheng , Hsin-Ping Cheng
CPC classification number: G10L15/08 , G06F1/3206 , G06F1/3287 , G06F9/4418 , G10L15/02 , G10L15/20 , G10L15/22 , G10L15/32 , G10L2015/088
Abstract: A voice wakeup detecting device for an electronic product includes a front end detecting circuit, a speech recognition processor and a main processor. The front end detecting circuit judges whether a voice signal contains a sub-keyword according to sub-keyword model parameters. If the front end detecting circuit confirms that the voice signal contains the sub-keyword, then it generates a first interrupt signal. In response to the first interrupt signal, the speech recognition processor is enabled to judge whether the voice signal contains a keyword according to keyword model parameters. If the speech recognition processor confirms that the voice signal contains the keyword, then it generates a second interrupt signal. In response to the second interrupt signal, the main processor is enabled. Consequently, the electronic produce is waked up from a sleep state to a normal working state.
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