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

IPC: H04R1/02 ,  H04R1/04 ,  H04R3/00 ,  G06F3/16 ,  G10L15/20

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.

公开(公告)号：US10283121B1

公开(公告)日：2019-05-07

申请号：US15649256

申请日：2017-07-13

Applicant: Amazon Technologies, Inc.

Inventor： Timothy Theodore List

IPC: H04R1/32 ,  G10L17/22 ,  G10L15/30 ,  G10L15/18 ,  H04R1/08 ,  H04R1/34 ,  G10L21/0216 ,  G10L21/0208

Abstract: A voice controlled assistant has a housing to hold one or more microphones, one or more speakers, and various computing components. The housing has an elongated cylindrical body extending along a center axis between a base end and a top end. The microphone(s) are mounted in the top end and the speaker(s) are mounted proximal to the base end. The microphone(s) and speaker(s) are coaxially aligned along the center axis. The speaker(s) are oriented to output sound directionally toward the base end and opposite to the microphone(s) in the top end. The sound may then be redirected in a radial outward direction from the center axis at the base end so that the sound is output symmetric to, and equidistance from, the microphone(s).

公开(公告)号：US09900694B1

公开(公告)日：2018-02-20

申请号：US15339425

申请日：2016-10-31

Applicant: Amazon Technologies, Inc.

Inventor： Timothy Theodore List

IPC: H04R25/00 ,  H04R5/02 ,  H04S3/00 ,  H04S7/00 ,  H04R1/00 ,  H04R1/40

CPC classification number: H04R5/02 ,  H04R1/00 ,  H04R1/403 ,  H04R2201/401 ,  H04R2201/405 ,  H04R2203/12 ,  H04R2205/022 ,  H04S3/002 ,  H04S7/303 ,  H04S2400/11

Abstract: In an augmented reality environment, a speaker array is centrally located within an area to generate sound for the environment. The speaker array has a spherical or hemispherical body and speakers mounted about the body to emit sound in multiple directions. A controller is provided to select sets of speakers to form beams of sound in determined directions. The shaped beams are output to deliver a full audio experience in the environment from the fixed location speaker array.

公开(公告)号：US09837083B1

公开(公告)日：2017-12-05

申请号：US15207249

申请日：2016-07-11

Applicant: Amazon Technologies, Inc.

Inventor： Timothy Theodore List

IPC: H04R1/02 ,  G10L17/22 ,  H04R1/32 ,  H04R1/34 ,  H04R1/08 ,  G10L15/18 ,  G10L15/30 ,  G10L21/0208 ,  G10L21/0216

CPC classification number: G10L17/22 ,  G10L15/08 ,  G10L15/1822 ,  G10L15/20 ,  G10L15/30 ,  G10L21/0208 ,  G10L2021/02082 ,  G10L2021/02166 ,  H04R1/08 ,  H04R1/323 ,  H04R1/326 ,  H04R1/345 ,  H04R3/002 ,  H04R3/005 ,  H04R3/12 ,  H04R27/00 ,  H04R2227/003 ,  H04R2420/07

Abstract: A voice controlled assistant has a housing to hold one or more microphones, one or more speakers, and various computing components. The housing has an elongated cylindrical body extending along a center axis between a base end and a top end. The microphone(s) are mounted in the top end and the speaker(s) are mounted proximal to the base end. The microphone(s) and speaker(s) are coaxially aligned along the center axis. The speaker(s) are oriented to output sound directionally toward the base end and opposite to the microphone(s) in the top end. The sound may then be redirected in a radial outward direction from the center axis at the base end so that the sound is output symmetric to, and equidistance from, the microphone(s).