Sound signal detection system, sound signal detection...

Details Sound signal detection system, sound signal detection... Sound signal detection system, sound signal detection...

2011-01-18

2011-01-18

Albertalli, Brian L (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C704S231000, C707S705000

Reexamination Certificate

active

07873521

ABSTRACT:
A sound signal detection system of the present invention that searches for a portion of stored sound signals similar to a target sound signal, includes a stored feature calculation portion that calculates a stored feature from time-series data of the stored sound signals; a target feature calculation portion that calculates a target feature from time-series data of the target sound signal; a stored feature area selection portion that selects elements corresponding to statistics larger than a threshold from stored features and calculates stored area selection features generated from the selected elements; a target feature area selection portion that selects elements corresponding to statistics larger than a threshold from a target feature and calculates a target area selection feature generated from the selected element; and a feature comparison portion that sets a comparison segment in the stored area selection features and calculates a degree of similarity between comparison segments of both the target and stored area selection features.

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