python之语音识别speech模块

#!/usr/bin/env python
# -*- codinfg:utf-8 -*-
'''
@author: Jeff LEE
@file: .py
@time: 2018-07-19 11:15
@desc:
'''
from win32com.client import constants
import os
import win32com.client
import pythoncom
 
speaker = win32com.client.Dispatch("SAPI.SPVOICE")
 
 
class SpeechRecognition:
 def __init__(self, wordsToAdd):
 self.speaker = win32com.client.Dispatch("SAPI.SpVoice")
 self.listener = win32com.client.Dispatch("SAPI.SpSharedRecognizer")
 self.context = self.listener.CreateRecoContext()
 self.grammar = self.context.CreateGrammar()
 self.grammar.DictationSetState(0)
 self.wordsRule = self.grammar.Rules.Add("wordsRule", constants.SRATopLevel + constants.SRADynamic, 0)
 self.wordsRule.Clear()
 [self.wordsRule.InitialState.AddWordTransition(None, word) for word in wordsToAdd]
 self.grammar.Rules.Commit()
 self.grammar.CmdSetRuleState("wordsRule", 1)
 self.grammar.Rules.Commit()
 self.eventHandler = ContextEvents(self.context)
 self.say("Started successfully")
 def say(self, phrase):
 self.speaker.Speak(phrase)
 
class ContextEvents(win32com.client.getevents("SAPI.SpSharedRecoContext")):
 def OnRecognition(self, StreamNumber, StreamPosition, RecognitionType, Result):
 newResult = win32com.client.Dispatch(Result)
 print("你在说 ", newResult.PhraseInfo.GetText())
 speechstr=newResult.PhraseInfo.GetText()
 # 下面即为语音识别信息对应,打开响应操作
 if speechstr=="记事本":
  os.system('notepad') 
 elif speechstr=="写字板":
  os.system('write')
 elif speechstr=="画图板":
  os.system('mspaint')
 else:
  pass
 
if __name__ == '__main__':
 
 speaker.Speak("语音识别开启")
 wordsToAdd = ["记事本", "写字板","画图板",]
 speechReco = SpeechRecognition(wordsToAdd)
 while True:
 pythoncom.PumpWaitingMessages()