Reading Coach is a feature of Immersive Reader by Microsoft. Reading Coach analyzes the audio of a learner reading a passage aloud and provides specific, personalized feedback to the individual including five target words to practice. The learner is then presented with words in isolation and invited to practice reading each word aloud. To help the individual learn how to decode the word, the learner has the option turn on image support which places a symbol or symbols over the text. The learner can use the image to help confirm what the word is which could help the individual learn how to read the word.
This video provides a quick demonstration of Reading Coach: