aymankhattar / google_stt

python STT linked to node.js testing NLU app

Google_STT

Test --- python STT linked to node.js testing NLU app

Authentification

If your not authentified yet on Google API Client Libraries please do it by following instructions on that link : https://developers.google.com/api-client-library/python/apis/discovery/v1

you could link your google API Client accound with your server by using either API Keys or OAuth 2.0

Running local STT Sample

make sure you have python 2.7 on your machine

$ cd STT/
$ python stt_v1.py 

this script takes short .flac file displaying a spoken query, eg : "play the Hammerhead from Birdy Nam Nam" after encoding the .flac file with based 64 bytes script, we give it as an input to STT as below

service = googleapiclient.discovery.build('speech', 'v1')
service_request = service.speech().recognize(
    body={
          "config": {
            "maxAlternatives": 30,
            "languageCode": "en_US",
            "speechContexts": [
              {
                "phrases": [
                  "Play",
                  "Volume up",
                  "Stop" # we could contextualise by adding more phrases. but the number of phrases is limited
                ]
              }
            ],
            "encoding": "FLAC"
          },
            'audio': {
                'content': speech_content
            }

        })

#. Json Output

It display 10 guesses

{"results": [{
      "alternatives": [
        {"transcript": "play the Hammerhead from birdie num num",
          "confidence": 0.83659744},
        {"transcript": "play the Hammerhead from Birdy num-num"},
        {"transcript": "play the Hammerhead from Birdy Nam Nam"},
        {"transcript": "play the Hammerhead from nerdy num num"},
        {"transcript": "play the Hammerhead from brooten MN"},
        {"transcript": "play the Hammerhead from routine of them"},
        {"transcript": "play the Hammerhead from 13 of them"},
        {"transcript": "play the hammerheads from nerdy num num"},
        {"transcript": "play the hammerheads from brooten MN"},
        {"transcript": "play the hammer head from nerdy num num"}]}]}

#. text Output

It display 10 guesses

play the Hammerhead from birdie num num

play the Hammerhead from Birdy num-num

play the Hammerhead from Birdy Nam Nam

play the Hammerhead from nerdy num num

play the Hammerhead from brooten MN

play the Hammerhead from routine of them

play the Hammerhead from 13 of them

play the hammerheads from nerdy num num

play the hammerheads from brooten MN

play the hammer head from nerdy num num