Wavelet transforms for non-uniform speech recognition systems
1996
An algorithm for nonuniform speech segmentation and its application in speech recognition systems is presented. A method based on the Modulated Gaussian Wavelet Transform based Speech Analyser (MGWTSA) and the subsequent parametrization block is used to transform a uniform signal into a set of nonuniformly separated frames, with the accurate information being fed into a speech recognition system. The algorithm needs a frame characterizing the signal where necessary, trying to reduce the number of frames per signal as much as possible, without an appreciable reduction in the recognition rate of the system.
Keywords:
- Speech processing
- Speech recognition
- Second-generation wavelet transform
- Acoustic model
- Automatic target recognition
- Speech coding
- Wavelet
- Computer vision
- Wavelet packet decomposition
- Linear predictive coding
- Pattern recognition
- Artificial intelligence
- Computer science
- Discrete wavelet transform
- Stationary wavelet transform
- Correction
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