Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Reexamination Certificate
2007-04-10
2007-04-10
Smits, Talivaldis Ivars (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
C704S270100
Reexamination Certificate
active
10157629
ABSTRACT:
A system and method for transmitting speech activity in a distributed voice recognition system. The distributed voice recognition system includes a local VR engine in a subscriber unit and a server VR engine on a server. The local VR engine comprises an advanced feature extraction (AFE) module that extracts features from a speech signal, and a voice activity detection (VAD) module that detects voice activity within a speech signal. The combined results from the VAD module and feature extraction module are provided in an efficient manner to a remote device, such as a server, in the form of advanced front end features, thereby enabling the server to process speech segments free of silence regions. Various aspects of efficient speech segment transmission are disclosed.
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“The Performance Evaluation of Distributed Speech Recognition for Chinese Digits,” by Zhao et al., Proceedings of the 17th International Conference on AINA '03, Mar. 27-29, 2003, pp. 151-154.
Brown Charles D.
Kordich Donald C.
Ng Eunice
Qualcomm Incorporated
Rouse Thomas
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