Patents by Inventor Dialog Semiconductor B.V.

Dialog Semiconductor B.V. 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).

  • Post Filter for Spectral Domain Echo Cancellers to Handle Non-Linear Echo Components
    Publication number: 20130217349
    Abstract: The present document discloses a method and system for improving echo cancellation in the presence of non-linear distortions. A circuit attenuates a transmit signal in one or more spectral bands based on a receive signal. The distorted echo comprised within the transmit signal results from distortions incurred by the receive signal when being rendered by an electronic device. The circuit compares energy values of the receive signal in multiple spectral bands with multiple corresponding spectral band dependent distortion thresholds and determines that for a first spectral band from multiple spectral bands. A first energy value from multiple energy values exceeding a first distortion threshold from multiple distortion thresholds attenuates the transmit signal in one or more spectral bands at higher frequencies than the first spectral band with corresponding spectral band dependent attenuation factors.
    Type: Application
    Filed: October 17, 2012
    Publication date: August 22, 2013
    Applicant: Dialog Semiconductor B.V.
    Inventor: Dialog Semiconductor B.V.