Irrelevant comment: Title 'consise' -> 'concise'
a)Yes it does transform audio data into text, provided you have audio data to start with. One good free data base the creators of Kaldi championed and support is called Librispeech which is available…
No, speech recognition systems are not necessarily good at that. You need a speaker recognition system for that. http://en.wikipedia.org/wiki/Speaker_recognition
Irrelevant comment: Title 'consise' -> 'concise'
a)Yes it does transform audio data into text, provided you have audio data to start with. One good free data base the creators of Kaldi championed and support is called Librispeech which is available…
No, speech recognition systems are not necessarily good at that. You need a speaker recognition system for that. http://en.wikipedia.org/wiki/Speaker_recognition