Patents by Inventor Mark A. Pereira

Mark A. Pereira 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).

  • Audio/video timescale compression system and method
    Patent number: 7941037
    Abstract: A system and method are provided for time scaling playback of digital audio signals with associated digital video signals. Initially, the digital video signals and the digital audio signals are received. Next, the digital audio signals are processed for the time scaling thereof while substantially preserving the frequency pitch of the digital audio signals. The processed audio signals are then encoded. Such encoded audio signals are then outputted for accelerated playback with the associated digital video signals.
    Type: Grant
    Filed: August 27, 2002
    Date of Patent: May 10, 2011
    Assignee: NVIDIA Corporation
    Inventor: Mark A. Pereira
  • System and method for processing multi-channel audio
    Patent number: 7561932
    Abstract: A user can assign different audio data streams to different output channels of a single audio card using substantially conventional APIs, device drivers, and Audio Codec Interfaces (ACIs). An Application Processing Unit (APU) sequences audio data streams in accordance with a user's output channel assignment.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: July 14, 2009
    Assignee: NVIDIA Corporation
    Inventors: Stephen G. Holmes, Mark A. Pereira, Micah S. Stroud