System for and method of determining the period of recurring...

Details System for and method of determining the period of recurring... System for and method of determining the period of recurring...

2007-08-07

2007-08-07

Tran, Sinh (Department: 2615)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Digital audio data processing system

C084S484000, C715S716000

Reexamination Certificate

active

09835253

ABSTRACT:
The disclosure relates to a method of determining one or more periods of recurring events within a recorded signal, such as, music. This method can include establishing one or more anchor points in the recorded signal where an anchor point is indicative of a beginning point for a period of recurring events in the recorded signal, determining a length for the period of recurring events in the recorded signal where the length starts from the established anchor point and defines a first loop, and refining the length for the period of recurring events by comparing the first loop with subsequent loops. The subsequent loops have the length of the first loop.

REFERENCES:
patent: 5265248 (1993-11-01), Moulios et al.
patent: 5734731 (1998-03-01), Marx
patent: 6175632 (2001-01-01), Marx
patent: 6225546 (2001-05-01), Kraft et al.
patent: 6518492 (2003-02-01), Herberger et al.

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