Speech Recognition

• I'm not sure it's NLP, but speech recognition is an important, and widely used technology.
• Until recently, (for 40 years) these worked through Hidden Markov Models.
• More recently, deep nets seem to be winning.
• There is often a training period where the system is set for an individual.
• It helps if the environment is quiet (cocktail party problem).
• There are commonly available api for these now.