From last time …. Grammar. Recognized Words “zero” “three” “two”. Cepstrum. Probabilities “z” -0.81 “th” = 0.15 “t” = 0.03. Decoder. Signal Processing. Probability Estimator. ASR System Architecture. Speech Signal. Pronunciation Lexicon. A Few Points about Human Speech Recognition.
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From last time …
Probabilities“z” -0.81“th” = 0.15“t” = 0.03
ASR System Architecture
A Few Points about Human Speech Recognition
(See Chapter 18 for much more on this)
Word error rates for 5000 word Wall Street Journal
read speech task using additive automotive noise
(old numbers – ASR would be a bit better now)