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40 years of research on speech and speaker recognition

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1 40 years of research on speech and speaker recognition
Selected topics from 40 years of research on speech and speaker recognition Sadaoki Furui Tokyo Institute of Technology Department of Computer Science

2 Generations of ASR technology
1950 1960 1970 1980 1990 2000 2010 1952 1G 1968 Heuristic approaches (analog filter bank + logic circuits) 1968 2G 1980 Pattern matching (LPC, FFT, DTW) 1980 3G 1990 Statistical framework (HMM, n-gram, neural net) 1990 3.5G Discriminative approaches, robust training, Prehistory normalization, adaptation, spontaneous speech, rich transcription ? 4G Extended knowledge processing Our research NTT Labs (+Bell Labs), Tokyo Tech Collaboration with other labs

3 Japanese traditional cuisine “Kaiseki-ryori”

4 ATTENTION! TRIAL LIMITATION - ONLY 3 SELECTED PAGES MAY BE CONVERTED PER CONVERSION. PURCHASING A LICENSE REMOVES THIS LIMITATION. TO DO SO, PLEASE CLICK ON THE FOLLOWING LINK:

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