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The design of a high-performance, floating-point embedded system for speech recognition and audio research purposes
(Stellenbosch : Stellenbosch University, 2008-03)
This thesis describes the design of a high performance, floating-point, standalone embedded
system that is appropriate for speech and audio processing purposes.
The system successfully employs the Analog Devices TigerSHARC ...
Automatic alignment and error detection for phonetic transcriptions in the African speech technology project databases
(Stellenbosch : University of Stellenbosch, 2006-03)
The African Speech Technology (AST) project ran from 2000 to 2004 and involved collecting speech data for five South African languages, transcribing the data and building automatic speech recognition systems in these ...
USB telephony interface device for speech recognition applications
(Stellenbosch : University of Stellenbosch, 2005-12)
Automatic speech recognition (ASR) systems are an attractive means for companies to deliver value added
services with which to improve customer satisfaction. Such ASR systems require a telephony interface to
connect the ...
Tree-based Gaussian mixture models for speaker verification
(Stellenbosch : University of Stellenbosch, 2005-12)
The Gaussian mixture model (GMM) performs very effectively in applications
such as speech and speaker recognition. However, evaluation speed is greatly
reduced when the GMM has a large number of mixture components. ...