Patents by Inventor Ajith Prabhakara

Ajith Prabhakara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230368780
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. If the DSP’s wakeword detection component detects a wakeword in speech, the companion application’s wakeword detection component may be used to determine whether the wakeword was spoken by the user of the device. If the companion application’s wakeword detection component determines the user spoke the wakeword, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Application
    Filed: May 25, 2023
    Publication date: November 16, 2023
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 11694679
    Abstract: Techniques for processing incoming audio using multiple wakeword detectors are described. Audio data representing an utterance may be processed by different wakeword detectors that can detect different wakewords and are associated with different speech processing components. When a wakeword is detected by one of the wakeword detectors, it may be processed by the corresponding speech processing component.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: July 4, 2023
    Assignee: Amazon Technologies, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 11514900
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may initially include an untrained wakeword detection component. The wakeword detection component of the DSP may be trained by engaging a user to speak particular utterances. Once a companion application is configured to implement a wakeword detection component, the companion application's wakeword detection component may be trained specific to the user of the device. Once the companion application's wakeword detection component is trained, the DSP wakeword detection component may be deactivated or its accuracy adjusted.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: November 29, 2022
    Assignee: Amazon Technology, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 11373644
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. In response to determining that the user spoke the wakeword, the companion application may send audio data representing the speech and data corresponding to the user to at least one server(s) for processing. Further, the device may receive captured speech and captured image data corresponding to the captured speech and determine a representation of a user in the captured image data. If the device determines the user is represented in the image data, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: June 28, 2022
    Assignee: Amazon Technologies, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Publication number: 20220059084
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. If the DSP's wakeword detection component detects a wakeword in speech, the companion application's wakeword detection component may be used to determine whether the wakeword was spoken by the user of the device. If the companion application's wakeword detection component determines the user spoke the wakeword, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Application
    Filed: October 4, 2021
    Publication date: February 24, 2022
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 11151988
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. If the DSP's wakeword detection component detects a wakeword in speech, the companion application's wakeword detection component may be used to determine whether the wakeword was spoken by the user of the device. If the companion application's wakeword detection component determines the user spoke the wakeword, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: Amazon Technolgies, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Publication number: 20200372901
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. If the DSP's wakeword detection component detects a wakeword in speech, the companion application's wakeword detection component may be used to determine whether the wakeword was spoken by the user of the device. If the companion application's wakeword detection component determines the user spoke the wakeword, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 26, 2020
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 10825451
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may initially include an untrained wakeword detection component. The wakeword detection component of the DSP may be trained by engaging a user to speak particular utterances. Once a companion application is configured to implement a wakeword detection component, the companion application's wakeword detection component may be trained specific to the user of the device. Once the companion application's wakeword detection component is trained, the DSP wakeword detection component may be deactivated or its accuracy adjusted.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 3, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray
  • Patent number: 10762896
    Abstract: Techniques for implementing multiple wakeword detectors on a single device are described. A digital signal processor (DSP) of the device may implement a wakeword detection component to detect when captured speech includes a wakeword. A companion application installed on the device may implement a wakeword detection component trained using speech of a user of the device. If the DSP's wakeword detection component detects a wakeword in speech, the companion application's wakeword detection component may be used to determine whether the wakeword was spoken by the user of the device. If the companion application's wakeword detection component determines the user spoke the wakeword, audio data representing the speech may be sent to at least one server(s) for processing.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: September 1, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Deepak Yavagal, Ajith Prabhakara, John Gray