Adaptive filter theory (2nd ed.)
Adaptive filter theory (2nd ed.)
Fundamentals of speech recognition
Fundamentals of speech recognition
Auditory modelling for speech analysis and recognition
Visual representations of speech signals
Voice Recognition
Various Speaker Recognition Techniques Using a Special Nonlinear Metric
KES '08 Proceedings of the 12th international conference on Knowledge-Based Intelligent Information and Engineering Systems, Part III
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Image of complex spectrograms on vocal signals gives interesting clues on important characteristics not to be ignored in voice processing. On-line high quality speaker-recognition continues to be a challenging attempt for the speech-processing domain, researches continuing to be developed for finding the optimal paths. Finding a certain voice in a party-environment or detecting the possible nationality of a speaker based on voiceanalysis has tremendous importance in forensic research. Compulsory pre-processing stages are implied in order to obtain the best feature vector, retaining the most important characteristics of the recorded utterance. The quality of the recording and the required noise treatment, the structure of the feature vector, the type of the classifier used in the recognition stage must take into consideration detailed aspects resulting when vowels spectrogram images are analyzed.