×

Signal processing apparatus and method, recording medium, and program

  • US 6,934,462 B2
  • Filed: 07/12/2002
  • Issued: 08/23/2005
  • Est. Priority Date: 07/17/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. A signal processing apparatus comprising:

  • amplitude extraction means for extracting the amplitude of an input audio signal, the audio signal having a plurality of contents in a time-division manner; and

    change-point detection means for detecting a change point of content in the input audio signal based on the temporal change of the amplitude extracted by said amplitude extraction means.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×