07: Kognitive Systeme, Vorlesung, SS 2017, 31.05.2017

Kognitive Systeme, SS2017, Vorlesung

07 | 0:00:00 Starten 0:00:10 Lecture Demos 0:00:42 Spectogram Controls 0:09:49 Speech: State-of-the-Art 0:14:09 Sloppy Speech 0:16:47 Speech Recognition (System Overview) 0:20:21 Voiced and Unvoiced Phonemes 0:21:35 Analog to Digital 0:21:50 Front End Processing 0:23:49 Linear Sequence Alignment 0:25:15 Problem with Linear Alignment 0:28:08 Speech Recognition (Components) 0:30:50 Spectogram 0:32:04 Markov Models 0:36:18 Single Fair Coin 0:37:23 Discrete Observation HMM 0:40:54 Hidden Markov Models 0:45:25 Acoustic Modeling 0:48:13 HMM Problems and Solutions 0:51:35 Evaluation 0:54:08 The Forward Algorithm 0:58:58 Forward Trellis 1:04:39 The Backward Algorithm 1:05:00 Decoding 1:08:35 Viterbi Trellis