The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 11, 1997
Filed:
Aug. 03, 1992
Leonardus L Vogten, Eindhoven, NL;
Chang X Ma, Eindhoven, NL;
Werner D Verhelst, Brussels, BE;
Josephus H Eggen, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
A method and an apparatus for manipulating an input signal (e.g., an audio equivalent signal) having a specific length to form an output signal having a different length. A chain of successive overlapping time windows is positioned with respect to the input signal; segment signals are derived from the input signal and the segment signals; and the output signal is synthesized by chained superposition of a sequence of the segment signals. Each of the windows (except for the first window in the chain) is positioned by incrementing a position of the window from a corresponding position of a preceding window in the chain by a time interval. That time interval is substantially equal to a principal period of periodicity of a portion of the input signal with respect to which the window will be positioned. The sequence of segment signals is derived from the segment signals by performing at least one of repeating and suppressing one or more of the segment signals.