Sound critical points retrieving apparatus and method, sound...

Details Sound critical points retrieving apparatus and method, sound... Sound critical points retrieving apparatus and method, sound...

2005-11-15

2005-11-15

Neyzari, Ali (Department: 2655)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030240

Reexamination Certificate

active

06965546

ABSTRACT:
A sound features extracting unit receives a sound signal of a music piece to extract sound features. A peak detecting unit detects a peak time when a cost function calculated by a cost function calculating unit indicates a maximal value, and a peak value thereof. A selecting unit selects a time property indicating sound critical points from the peak time and the peak value. This method allows the user to automatically retrieve sound critical points without having to listen to the sound in advance.

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