对Python 语音识别框架详解

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(\"小伙子你在说 \", newResult.PhraseInfo.GetText())
  speechstr=newResult.PhraseInfo.GetText()
  if speechstr==\"张三\":
   speaker.Speak(\"zhaodahai love fengjie\")
  elif speechstr==\"你好\":
   speaker.Speak(\"hello world\")
  elif speechstr==\"国庆快乐\":
   speaker.Speak(\"Happy nationalday\")
  elif speechstr==\"新年快乐\":
   speaker.Speak(\"happy New Year\")
  elif speechstr==\"李四\":
   speaker.Speak(\"a beauty baby\")
  elif speechstr==\"王五\":
   speaker.Speak(\"a little boy\")
  elif speechstr==\"赵六\":
   speaker.Speak(\"a boy can coding\")
  else:
   pass
 
if __name__ == \'__main__\':
 
 speaker.Speak(\"语音识别开启\")
 wordsToAdd = [\"张三\",
     \"你好\",
     \"国庆快乐\",
     \"新年快乐\",
     \"李四\",
     \"王五\",
     \"赵六\",]
 speechReco = SpeechRecognition(wordsToAdd)
 while True:
  pythoncom.PumpWaitingMessages()