Compressed domain voice activity detector

Details Compressed domain voice activity detector Compressed domain voice activity detector

2006-06-12

2008-09-02

Abebe, Daniel D (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S500000

Reexamination Certificate

active

07421388

ABSTRACT:
The system and method of the present invention comprises a compressed domain voice activity detector that detects the presence or absence of voice activity in a digital input signal. The method includes converting a digital input signal into parametric data. The parametric data is subsequently analyzed, and then compared against a background noise threshold to determine if voice activity is present.

REFERENCES:
patent: 6880082 (2005-04-01), Ohta
patent: 7096009 (2006-08-01), Mousseau et al.

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