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公开(公告)号：US20240388823A1
公开(公告)日：2024-11-21
申请号：US18641953
申请日：2024-04-22
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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Patent Agency Ranking
公开(公告)号：US20220286763A1
公开(公告)日：2022-09-08
申请号：US17751928
申请日：2022-05-24
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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公开(公告)号：US10136204B1
公开(公告)日：2018-11-20
申请号：US15467267
申请日：2017-03-23
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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公开(公告)号：US09641919B1
公开(公告)日：2017-05-02
申请号：US14502301
申请日：2014-09-30
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
CPC classification number: H04R1/02 , G10L15/20 , H04R2400/00 , H04R2410/00
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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公开(公告)号：US11974082B2
公开(公告)日：2024-04-30
申请号：US17751928
申请日：2022-05-24
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
CPC classification number: H04R1/025 , G06F3/167 , H04R1/02 , H04R1/04 , H04R3/00 , G10L15/20 , H04R2400/00 , H04R2410/00
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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公开(公告)号：US10708677B1
公开(公告)日：2020-07-07
申请号：US16193258
申请日：2018-11-16
Applicant: Amazon Technologies, Inc.
Inventor： David Wilson Poole , Timothy Theodore List , Jacobi Colton Grillo , Wei Li , Tony David
Abstract: Voice-controlled devices that include one or more speakers for outputting audio. In some instances, the device includes at least one speaker within a cylindrical housing, with the speaker aimed or pointed away from a microphone coupled to the housing. For instance, if the microphone resides at or near the top of the cylindrical housing, then the speaker may point downwards along the longitudinal axis of the housing and away from the microphone. By pointing the speaker away from the microphone, the microphone will receive less sound from the speaker than if the speaker were pointed toward the microphone). Because the voice-controlled device may perform speech recognition on audio signals generated by the microphone, less sound from the speaker represented in the audio signal may result in more accurate speech recognition, and/or a lesser need to perform acoustic echo cancelation (AEC) on the generated audio signals.
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