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jarvis-server/jarvis/utils/stt/vosk/__init__.py

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2021-09-17 15:05:32 +02:00
import json
import os
import wave
from vosk import Model, KaldiRecognizer, SetLogLevel
from jarvis import get_path_file
SetLogLevel(-1)
model, rec = None, None
def loadModel():
global model, rec
if not os.path.exists("model"):
print(
"Please download the model from https://alphacephei.com/vosk/models and unpack as 'model' in the current folder.")
exit(1)
print("Loading model...")
model = Model("model")
rec = KaldiRecognizer(model, 16000)
rec.SetWords(True)
print("Model loaded successfully.")
def process_audio_file(file):
global model, rec
print("File : " + file)
wf = wave.open(file, "rb")
if wf.getnchannels() != 1 or wf.getsampwidth() != 2 or wf.getcomptype() != "NONE":
print("Audio file must be WAV format mono PCM.")
exit(1)
while True:
data = wf.readframes(4000)
if len(data) == 0:
break
if rec.AcceptWaveform(data):
pass
# print(rec.Result())
else:
pass
# print(rec.PartialResult())
print(json.loads(rec.FinalResult())['text'])
if __name__ == '__main__':
loadModel()
path = os.path.dirname(get_path_file.__file__) + "\\audio_samples\\"
files = ["test_jarvis_examples_french.wav"]
for file in files:
process_audio_file(path + file)