speech_to_text.py

import speech_recognition as sr
import text_to_speech

r = sr.Recognizer()
m = sr.Microphone()

def stt():
    try:
        # print("A moment of silence, please...")
        with m as source: r.adjust_for_ambient_noise(source)
        print("Set minimum energy threshold to {}".format(r.energy_threshold))
        while True:
            print("Say something!")
            with m as source: audio = r.listen(source)
            print("Got it! Now to recognize it...")
            try:
                # recognize speech using Google Speech Recognition
                value = r.recognize_google(audio)

                # we need some special handling here to correctly print unicode characters to standard output
                if str is bytes: # this version of Python uses bytes for strings (Python 2)
                    print(u"You said {}".format(value).encode("utf-8"))

                    return format(value).encode("utf-8")

                else: # this version of Python uses unicode for strings (Python 3+)
                    print("You said {}".format(value))
                    return format(value)
            except sr.UnknownValueError:
                text_to_speech.get_speech("Oops! Didn't catch that,pardon!")
                continue


            except sr.RequestError as e:
                print("Uh oh! Couldn't request results from Google Speech Recognition service; {0}".format(e))
    except KeyboardInterrupt:
        pass