May be helpful as a complement to the essential readings.
Holmes & Holmes – Chapter 6 – Phonetic Synthesis by Rule
Mainly of historical interest.
Holmes & Holmes – Chapter 11 – Improving Speech Recognition Performance
We mitigate the over-simplifications of the model using ever-more-complex algorithms.
Furui et al: Fundamental Technologies in Modern Speech Recognition
A complete issue of IEEE Signal Processing Magazine. Although a few years old, this is still a very useful survey of current techniques.
This is the new version. Still under construction.