#!/usr/bin/env python3

import sys
import json

from vosk import Model, KaldiRecognizer

model = Model(lang="en-us")

# Large vocabulary free form recognition
rec = KaldiRecognizer(model, 16000)

# You can also specify the possible word list
#rec = KaldiRecognizer(model, 16000, "zero oh one two three four five six seven eight nine")

with open(sys.argv[1], "rb") as wf:
    wf.read(44) # skip header

    while True:
        data = wf.read(4000)
        if len(data) == 0:
            break
        if rec.AcceptWaveform(data):
            res = json.loads(rec.Result())
            print(res["text"])

    res = json.loads(rec.FinalResult())
    print(res["text"])