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"""
azure voice service
"""
import json
import os
import time
import azure.cognitiveservices.speech as speechsdk
from bridge.reply import Reply, ReplyType
from common.log import logger
from common.tmp_dir import TmpDir
from voice.voice import Voice
from config import conf
"""
Azure voice
主目录设置文件中需填写azure_voice_api_key和azure_voice_region
查看可用的 voice： https://speech.microsoft.com/portal/voicegallery
"""
class AzureVoice(Voice):
def __init__(self):
try:
curdir = os.path.dirname(__file__)
config_path = os.path.join(curdir, "config.json")
config = None
if not os.path.exists(config_path): #如果没有配置文件，创建本地配置文件
config = { "speech_synthesis_voice_name": "zh-CN-XiaoxiaoNeural", "speech_recognition_language": "zh-CN"}
with open(config_path, "w") as fw:
json.dump(config, fw, indent=4)
else:
with open(config_path, "r") as fr:
config = json.load(fr)
self.api_key = conf().get('azure_voice_api_key')
self.api_region = conf().get('azure_voice_region')
self.speech_config = speechsdk.SpeechConfig(subscription=self.api_key, region=self.api_region)
self.speech_config.speech_synthesis_voice_name = config["speech_synthesis_voice_name"]
self.speech_config.speech_recognition_language = config["speech_recognition_language"]
except Exception as e:
logger.warn("AzureVoice init failed: %s, ignore " % e)
def voiceToText(self, voice_file):
audio_config = speechsdk.AudioConfig(filename=voice_file)
speech_recognizer = speechsdk.SpeechRecognizer(speech_config=self.speech_config, audio_config=audio_config)
result = speech_recognizer.recognize_once()
if result.reason == speechsdk.ResultReason.RecognizedSpeech:
logger.info('[Azure] voiceToText voice file name={} text={}'.format(voice_file, result.text))
reply = Reply(ReplyType.TEXT, result.text)
else:
logger.error('[Azure] voiceToText error, result={}'.format(result))
reply = Reply(ReplyType.ERROR, "抱歉，语音识别失败")
return reply
def textToVoice(self, text):
fileName = TmpDir().path() + 'reply-' + str(int(time.time())) + '.wav'
audio_config = speechsdk.AudioConfig(filename=fileName)
speech_synthesizer = speechsdk.SpeechSynthesizer(speech_config=self.speech_config, audio_config=audio_config)
result = speech_synthesizer.speak_text(text)
if result.reason == speechsdk.ResultReason.SynthesizingAudioCompleted:
logger.info(
'[Azure] textToVoice text={} voice file name={}'.format(text, fileName))
reply = Reply(ReplyType.VOICE, fileName)
else:
logger.error('[Azure] textToVoice error, result={}'.format(result))
reply = Reply(ReplyType.ERROR, "抱歉，语音合成失败")
return reply
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