Pythonで簡単に音声認識を導入

#音声toTXT変換

import speech_recognition as sr
import soundfile as sf
from io import BytesIO
import os

r = sr.Recognizer()

def analyze_wav(wavfile):
    try:
        adata, samplerate = sf.read(BytesIO(wavfile.read()))

        newpath = "new_file.wav"

        path_tmp = os.path.join(os.path.dirname(os.path.abspath(__file__)), "tmp")

        if not os.path.exists(path_tmp):
            os.mkdir(path_tmp)

        savepath = os.path.join(path_tmp, newpath)
        sf.write(savepath, adata, samplerate)

        with sr.AudioFile(savepath) as src:
            audio = r.record(src)
        txt = r.recognize_google(audio, language='ja-JP')

        return txt
    except:
        import traceback
        traceback.print_exc()

#サーバーで利用する場合(Flask)

from flask import Flask, request, abort

import speech_recognition as sr
import soundfile as sf
from io import BytesIO
import os

r = sr.Recognizer()

@app.route("/webapp", methods=['POST'])
def webapp():
    wavdata = request.files["file"].stream
    txt = analyze_wav(wavdata)
    return txt

def analyze_wav(wavfile):
    try:
        adata, samplerate = sf.read(BytesIO(wavfile.read()))

        newpath = "new_file.wav"

        path_tmp = os.path.join(os.path.dirname(os.path.abspath(__file__)), "tmp")

        if not os.path.exists(path_tmp):
            os.mkdir(path_tmp)

        savepath = os.path.join(path_tmp, newpath)
        sf.write(savepath, adata, samplerate)

        with sr.AudioFile(savepath) as src:
            audio = r.record(src)
        txt = r.recognize_google(audio, language='ja-JP')

        return txt
    except:
        import traceback
        traceback.print_exc()