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"""
baidu voice service
"""
import json
import os
import time
from aip import AipSpeech
from bridge.reply import Reply, ReplyType
from common.log import logger
from common.tmp_dir import TmpDir
from voice.voice import Voice
from voice.audio_convert import get_pcm_from_wav
from config import conf
"""
百度的语音识别API.
dev_pid:
- 1936: 普通话远场
- 1536：普通话(支持简单的英文识别)
- 1537：普通话(纯中文识别)
- 1737：英语
- 1637：粤语
- 1837：四川话
要使用本模块, 首先到 yuyin.baidu.com 注册一个开发者账号,
之后创建一个新应用, 然后在应用管理的"查看key"中获得 API Key 和 Secret Key
然后在 config.json 中填入这两个值, 以及 app_id, dev_pid
"""
class BaiduVoice(Voice):
def __init__(self):
try:
curdir = os.path.dirname(__file__)
config_path = os.path.join(curdir, "config.json")
bconf = None
if not os.path.exists(config_path): #如果没有配置文件，创建本地配置文件
bconf = { "lang": "zh", "ctp": 1, "spd": 5,
"pit": 5, "vol": 5, "per": 0}
with open(config_path, "w") as fw:
json.dump(bconf, fw, indent=4)
else:
with open(config_path, "r") as fr:
bconf = json.load(fr)
self.app_id = conf().get('baidu_app_id')
self.api_key = conf().get('baidu_api_key')
self.secret_key = conf().get('baidu_secret_key')
self.dev_id = conf().get('baidu_dev_pid')
self.lang = bconf["lang"]
self.ctp = bconf["ctp"]
self.spd = bconf["spd"]
self.pit = bconf["pit"]
self.vol = bconf["vol"]
self.per = bconf["per"]
self.client = AipSpeech(self.app_id, self.api_key, self.secret_key)
except Exception as e:
logger.warn("BaiduVoice init failed: %s, ignore " % e)
def voiceToText(self, voice_file):
# 识别本地文件
logger.debug('[Baidu] voice file name={}'.format(voice_file))
pcm = get_pcm_from_wav(voice_file)
res = self.client.asr(pcm, "pcm", 16000, {"dev_pid": self.dev_id})
if res["err_no"] == 0:
logger.info("百度语音识别到了：{}".format(res["result"]))
text = "".join(res["result"])
reply = Reply(ReplyType.TEXT, text)
else:
logger.info("百度语音识别出错了: {}".format(res["err_msg"]))
if res["err_msg"] == "request pv too much":
logger.info(" 出现这个原因很可能是你的百度语音服务调用量超出限制，或未开通付费")
reply = Reply(ReplyType.ERROR,
"百度语音识别出错了；{0}".format(res["err_msg"]))
return reply
def textToVoice(self, text):
result = self.client.synthesis(text, self.lang, self.ctp, {
'spd': self.spd, 'pit': self.pit, 'vol': self.vol, 'per': self.per})
if not isinstance(result, dict):
fileName = TmpDir().path() + 'reply-' + str(int(time.time())) + '.mp3'
with open(fileName, 'wb') as f:
f.write(result)
logger.info(
'[Baidu] textToVoice text={} voice file name={}'.format(text, fileName))
reply = Reply(ReplyType.VOICE, fileName)
else:
logger.error('[Baidu] textToVoice error={}'.format(result))
reply = Reply(ReplyType.ERROR, "抱歉，语音合成失败")
return reply
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