×

Speech recognition using adaptation and prior knowledge

  • US 20070129943A1
  • Filed: 12/06/2005
  • Published: 06/07/2007
  • Est. Priority Date: 12/06/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A speech recognition system comprising:

  • a feature extraction component configured to receive a speech signal and to extract feature vectors from the speech signal; and

    a decoder comprising a speech acoustic model, a feature modification component, and a comparison component, wherein the feature modification component is configured to modify the feature vectors, using adaptation data and prior statistics, to more closely match the speech acoustic model, and wherein the comparison component is configured to utilize the modified feature vectors and the speech acoustic model to recognize the speech signal.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×