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import os
import wave
import json
import numpy as np
from flask import Flask, request, jsonify
from flask_cors import CORS
from vosk import Model, KaldiRecognizer
# Tạo Flask app
app = Flask(__name__)
CORS(app)
# Tải model Vosk (dùng model nhỏ để tiết kiệm tài nguyên)
MODEL_PATH = "model" # Thư mục chứa model Vosk
if not os.path.exists(MODEL_PATH):
raise Exception("Model Vosk không tìm thấy!")
model = Model(MODEL_PATH)
@app.route("/")
def home():
return "Vosk STT API đang chạy!"
@app.route("/stt", methods=["POST"])
def stt():
if "audio" not in request.files:
return jsonify({"error": "Không tìm thấy file audio!"}), 400
audio_file = request.files["audio"]
file_path = "temp.wav"
audio_file.save(file_path)
# Xử lý file audio
wf = wave.open(file_path, "rb")
rec = KaldiRecognizer(model, wf.getframerate())
result_text = ""
while True:
data = wf.readframes(4000)
if len(data) == 0:
break
if rec.AcceptWaveform(data):
result_text += json.loads(rec.Result())["text"] + " "
# Trả về kết quả STT
return jsonify({"text": result_text.strip()})
if __name__ == "__main__":
app.run(host="0.0.0.0", port=7860, debug=True)
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