Use text-to-speech, speech-to-text, and translation functions in your app
You can see the Text to Speech and Translation blocks in use in this video tutorial:
Read a piece of text aloud in a specified language.
Translate a piece of text. This block is powered by Yandex. Any language code from this list can be used.
Recognize a piece of audio in a given language. Returns a text transcription of the speech.