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Method and apparatus for processing an audio signal using window transitions for coding schemes

  • US 9,064,490 B2
  • Filed: 08/06/2013
  • Issued: 06/23/2015
  • Est. Priority Date: 07/27/2009
  • Status: Active Grant
First Claim
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1. A method for processing an audio signal, comprising:

  • when a second coding scheme is applied to a current frame of the audio signal, receiving, by an audio processing apparatus, window type information indicating a particular window for the current frame from among a plurality of windows; and

    ,applying a current window to the current frame based on the window type information,wherein, when a first coding scheme is applied to a previous frame, the plurality of windows includes a short window, a first transition window, and a second transition window,wherein the short window has at least one ascending line which width is N/8, and the first transition window and the second transition window have an ascending line which width is N/4, and wherein the N is the frame length.

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