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    Low power mode for speech capture devices
    1.
    发明授权
    Low power mode for speech capture devices 有权

    公开(公告)号：US11810593B2

    公开(公告)日：2023-11-07

    申请号：US17091118

    申请日：2020-11-06

    Applicant: Amazon Technologies, Inc.

    Inventor： Dibyendu Nandy ,  Om Prakash Gangwal

    IPC: G10L25/21 ,  G10L21/0232 ,  G10L15/16 ,  G10L15/22 ,  G10L21/0216 ,  G10L13/02

    CPC classification number: G10L25/21 ,  G10L15/16 ,  G10L15/22 ,  G10L21/0232 ,  G10L13/02 ,  G10L2021/02166

    Abstract: A system configured to perform low power mode wakeword detection is provided. A device reduces power consumption without compromising functionality by placing a primary processor into a low power mode and using a secondary processor to monitor for sound detection. The secondary processor stores input audio data in a buffer component while performing sound detection on the input audio data. If the secondary processor detects a sound, the secondary processor sends an interrupt signal to the primary processor, causing the primary processor to enter an active mode. While in the active mode, the primary processor performs wakeword detection using the buffered audio data. To reduce a latency, the primary processor processes the buffered audio data at an accelerated rate. In some examples, the device may further reduce power consumption by including a second buffer component and only processing the input audio data after detecting a sound.

    Video game streaming with dynamic range conversion
    2.
    发明授权
    Video game streaming with dynamic range conversion 有权

    公开(公告)号：US11666823B1

    公开(公告)日：2023-06-06

    申请号：US17361938

    申请日：2021-06-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Om Prakash Gangwal ,  Ross Alan Cameron Gardner ,  Daniel Campanile ,  Alexander Tyler

    IPC: A63F13/355 ,  H04N5/57 ,  H04N5/235 ,  H04N23/741

    CPC classification number: A63F13/355 ,  H04N5/57 ,  H04N23/741 ,  A63F2300/538

    Abstract: Conversion components may receive game video rendered in high-dynamic-range (HDR) and standard-dynamic-range (SDR) camera video of a game player. The conversion components may provide local video output to a local display and remote video output for network transmission to remote viewers. The SDR camera video may be converted to HDR and provided with HDR game video in the local video output. For HDR network transmission, the HDR game video and converted HDR camera video may be included in the remote video output. For SDR network transmission, the HDR game video may be converted to SDR and provided with the SDR camera video in the remote video output. The game video, camera video and other video feeds may have respective portals in the local and remote video outputs. The local and remote video outputs may have respective visual portal arrangements that may be at least partially different from one another.

    Low power mode for speech capture devices
    3.
    发明授权
    Low power mode for speech capture devices 有权

    公开(公告)号：US11514926B2

    公开(公告)日：2022-11-29

    申请号：US17091215

    申请日：2020-11-06

    Applicant: Amazon Technologies, Inc.

    Inventor： Dibyendu Nandy ,  Om Prakash Gangwal

    IPC: G10L15/22 ,  G10L25/21 ,  G10L21/0232 ,  G10L15/16 ,  G10L21/0216 ,  G10L13/02

    Abstract: A system configured to enable a Wi-Fi processor to enter a low power mode (LPM) for short periods of time without compromising functionality is provided. A device reduces power consumption by enabling the Wi-Fi processor to enter LPM with scheduled wakeup events to enable specific functionality. In some examples, the Wi-Fi processor toggles between LPM and an active mode based on a first duty cycle to enable new device provisioning. The first duty cycle corresponds to a time required to scan a plurality of wireless channels, waking the Wi-Fi processor at a first frequency to monitor for incoming probe requests. In other examples, the Wi-Fi processor uses a second duty cycle chosen to maintain time synchronicity between a time master device and time follower devices. The device sets the second duty cycle to wake the Wi-Fi processor at a second frequency to exchange data packets with synchronized devices.

    Video game streaming with dynamic range conversion
    5.
    发明授权
    Video game streaming with dynamic range conversion 有权

    公开(公告)号：US11617946B1

    公开(公告)日：2023-04-04

    申请号：US17361856

    申请日：2021-06-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Om Prakash Gangwal ,  Ross Alan Cameron Gardner ,  Daniel Campanile ,  Alexander Tyler

    IPC: A63F13/355 ,  A63F13/86 ,  H04N7/01 ,  H04N5/232 ,  H04N21/2187 ,  H04N21/478

    Abstract: Conversion components may receive game video rendered in high-dynamic-range (HDR) and standard-dynamic-range (SDR) camera video of a game player. The conversion components may provide local video output to a local display and remote video output for network transmission to remote viewers. The SDR camera video may be converted to HDR and provided with HDR game video in the local video output. For HDR network transmission, the HDR game video and converted HDR camera video may be included in the remote video output. For SDR network transmission, the HDR game video may be converted to SDR and provided with the SDR camera video in the remote video output. The game video, camera video and other video feeds may have respective portals in the local and remote video outputs. The local and remote video outputs may have respective visual portal arrangements that may be at least partially different from one another.

    Video game streaming with dynamic range conversion
    6.
    发明授权
    Video game streaming with dynamic range conversion 有权

    公开(公告)号：US11612812B1

    公开(公告)日：2023-03-28

    申请号：US17362087

    申请日：2021-06-29

    Applicant: Amazon Technologies, Inc.

    Inventor： Om Prakash Gangwal ,  Ross Alan Cameron Gardner ,  Daniel Campanile ,  Alexander Tyler

    IPC: A63F13/355 ,  A63F13/86 ,  H04N7/01 ,  H04N21/2187 ,  H04N21/478 ,  H04N5/232

    Abstract: Conversion components may receive game video rendered in high-dynamic-range (HDR) and standard-dynamic-range (SDR) camera video of a game player. The conversion components may provide local video output to a local display and remote video output for network transmission to remote viewers. The SDR camera video may be converted to HDR and provided with HDR game video in the local video output. For HDR network transmission, the HDR game video and converted HDR camera video may be included in the remote video output. For SDR network transmission, the HDR game video may be converted to SDR and provided with the SDR camera video in the remote video output. The game video, camera video and other video feeds may have respective portals in the local and remote video outputs. The local and remote video outputs may have respective visual portal arrangements that may be at least partially different from one another.

    Low resolution processing of high resolution video in support of video-based computing services
    7.
    发明授权
    Low resolution processing of high resolution video in support of video-based computing services 有权

    公开(公告)号：US11223796B1

    公开(公告)日：2022-01-11

    申请号：US16911758

    申请日：2020-06-25

    Applicant: Amazon Technologies, Inc.

    Inventor： Om Prakash Gangwal

    IPC: H04N7/01 ,  H04N19/59 ,  H04N19/146

    Abstract: Techniques for processing video data are described. In an example, a device receives input video data having a first resolution. A first processor of the device sends, based at least in part on the input video data, first video data having the first resolution to a display. The device generates second video data from the input video data by at least down scaling the input video data to a second resolution, the second resolution being lower than the first resolution. A second processor of the device determines, while the first video data is presented, a property of the input video data based at least in part on the second video data. The second processor generates an indication of the property, where the indication is output while the first video data is presented.

    System to mitigate image jitter by an actuator driven camera
    8.
    发明授权
    System to mitigate image jitter by an actuator driven camera 有权

    公开(公告)号：US11265469B1

    公开(公告)日：2022-03-01

    申请号：US16845651

    申请日：2020-04-10

    Applicant: AMAZON TECHNOLOGIES, INC.

    Inventor： Om Prakash Gangwal ,  Jonathan Ross

    IPC: H04N5/232

    Abstract: A device has a camera that is moveable by one or more actuators. During operation the camera moves. For example, the camera may move to follow a user as they move within the physical space. Mechanical limitations result in the camera movement exhibiting discontinuities, such as small jerks or steps from one orientation to another while panning. If the camera is acquiring video data while moving, the resulting video data may appear jittery and be unpleasant for a user to view. An offset is determined between an intended orientation of the camera at a specified time and an actual orientation of the camera at that time. A portion of raw image data acquired at the specified time is cropped using the offset to produce cropped image data that is free from jitter due to the movement discontinuities.

    LOW POWER MODE FOR SPEECH CAPTURE DEVICES
    9.
    发明申请
    LOW POWER MODE FOR SPEECH CAPTURE DEVICES 有权

    公开(公告)号：US20210398551A1

    公开(公告)日：2021-12-23

    申请号：US17091215

    申请日：2020-11-06

    Applicant: Amazon Technologies, Inc.

    Inventor： Dibyendu Nandy ,  Om Prakash Gangwal

    IPC: G10L25/21 ,  G10L15/16 ,  G10L15/22

    Abstract: A system configured to enable a Wi-Fi processor to enter a low power mode (LPM) for short periods of time without compromising functionality is provided. A device reduces power consumption by enabling the Wi-Fi processor to enter LPM with scheduled wakeup events to enable specific functionality. In some examples, the Wi-Fi processor toggles between LPM and an active mode based on a first duty cycle to enable new device provisioning. The first duty cycle corresponds to a time required to scan a plurality of wireless channels, waking the Wi-Fi processor at a first frequency to monitor for incoming probe requests. In other examples, the Wi-Fi processor uses a second duty cycle chosen to maintain time synchronicity between a time master device and time follower devices. The device sets the second duty cycle to wake the Wi-Fi processor at a second frequency to exchange data packets with synchronized devices.

    LOW POWER MODE FOR SPEECH CAPTURE DEVICES
    10.
    发明申请
    LOW POWER MODE FOR SPEECH CAPTURE DEVICES 有权

    公开(公告)号：US20210398550A1

    公开(公告)日：2021-12-23

    申请号：US17091118

    申请日：2020-11-06

    Applicant: Amazon Technologies, Inc.

    Inventor： Dibyendu Nandy ,  Om Prakash Gangwal

    IPC: G10L25/21 ,  G10L21/0232

    Abstract: A system configured to perform low power mode wakeword detection is provided. A device reduces power consumption without compromising functionality by placing a primary processor into a low power mode and using a secondary processor to monitor for sound detection. The secondary processor stores input audio data in a buffer component while performing sound detection on the input audio data. If the secondary processor detects a sound, the secondary processor sends an interrupt signal to the primary processor, causing the primary processor to enter an active mode. While in the active mode, the primary processor performs wakeword detection using the buffered audio data. To reduce a latency, the primary processor processes the buffered audio data at an accelerated rate. In some examples, the device may further reduce power consumption by including a second buffer component and only processing the input audio data after detecting a sound.

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