0. Questions/Concerns
1. Case Study Reviews
2. Acoustic Modeling at 50k feet
    A. See https://www.eleanorchodroff.com/tutoria … ncept.html
3. Three hierarchical acoustic models
    A. Monophones
    B. Triphones
        1. decision tree
        2. HMM
    C. Triphones with LDA
3. Next Week