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app.py
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| from flask import Flask, request, jsonify, render_template | |
| from flask_cors import CORS | |
| from dotenv import load_dotenv | |
| import os | |
| import azure.cognitiveservices.speech as speechsdk | |
| import wave | |
| # Load environment variables from .env file | |
| load_dotenv() | |
| # Azure OpenAI service credentials | |
| speech_api_key = os.getenv("SPEECH_API_KEY") | |
| region = os.getenv("REGION") | |
| speech_endpoint = os.getenv("SPEECH_ENDPOINT") | |
| app = Flask(__name__) | |
| CORS(app) # Enable CORS for cross-origin requests | |
| def recognize_from_audio(file_path): | |
| try: | |
| # Creates an instance of a speech config with specified subscription key and service region. | |
| speech_config = speechsdk.SpeechConfig( | |
| subscription=speech_api_key, | |
| region=region, | |
| speech_recognition_language="ja-JP", | |
| ) | |
| # Creates a recognizer with the given settings | |
| speech_recognizer = speechsdk.SpeechRecognizer(speech_config=speech_config) | |
| # Create an audio configuration from the audio file | |
| audio_input = speechsdk.AudioConfig(filename=file_path) | |
| # Creates a recognizer with the given settings | |
| ##### error occurs when initing the SpeechRecognizer | |
| ##### Exception with an error code: 0xa (SPXERR_INVALID_HEADER) | |
| speech_recognizer = speechsdk.SpeechRecognizer( | |
| speech_config=speech_config, audio_config=audio_input | |
| ) | |
| # Starts speech recognition, and returns after a single utterance is recognized. | |
| result = speech_recognizer.recognize_once() | |
| # Check the result | |
| if result.reason == speechsdk.ResultReason.RecognizedSpeech: | |
| print("Recognized: {}".format(result.text)) | |
| return result.text | |
| elif result.reason == speechsdk.ResultReason.NoMatch: | |
| print("No speech could be recognized: {}".format(result.no_match_details)) | |
| elif result.reason == speechsdk.ResultReason.Canceled: | |
| cancellation_details = result.cancellation_details | |
| print("Speech Recognition canceled: {}".format(cancellation_details.reason)) | |
| if cancellation_details.reason == speechsdk.CancellationReason.Error: | |
| print("Error details: {}".format(cancellation_details.error_details)) | |
| except Exception as e: | |
| print(f"An error occurred: {e}") | |
| return None | |
| @app.route('/') | |
| def index(): | |
| return render_template('index.html') | |
| @app.route("/upload_audio", methods=["POST"]) | |
| def upload_audio(): | |
| if "audio" not in request.files: | |
| return jsonify({"error": "No audio file provided"}), 400 | |
| audio_file = request.files["audio"] | |
| file_path = os.path.join("uploads", audio_file.filename) | |
| audio_file.save(file_path) | |
| recognized_text = recognize_from_audio(file_path) | |
| if recognized_text: | |
| return jsonify({"transcription": recognized_text}) | |
| else: | |
| return jsonify({"error": "Speech recognition failed"}), 500 | |
| if __name__ == "__main__": | |
| os.makedirs("uploads", exist_ok=True) | |
| app.run(host="0.0.0.0", port=5000) |
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