How the NSA Converts Spoken Words Into Searchable Text

 

Top-secret documents from the archive of former NSA contractor Edward Snowden show the National Security Agency can now automatically recognize the content within phone calls by creating rough transcripts and phonetic representations that can be easily searched and stored.

https://firstlook.org/theintercept/2015/05/05/nsa-speech-recognition-snowden-searchable-text