Python中使用三方库SpeechLib实现文本转换语音文件的示例

一、需要安装的三方库：pip install comtypes

二、示例代码：

from comtypes.client import CreateObject
from comtypes.gen import SpeechLib

engine = CreateObject('SAPI.SpVoice')
stream = CreateObject('SAPI.SpFileStream')

infile = 'E:\\计算机科学速成课\\18. 操作系统-Operating Systems.txt'
outfile = 'E:\\demo.wav'
stream.Open(outfile, SpeechLib.SSFMCreateForWrite)
engine.AudioOutputStream = stream
with open(infile, 'r', encoding='utf-8') as file:
    text = file.read()
engine.speak(text)
stream.close()

三、要点注释：

开始用创建对象的方法CreateObject 分别创建了语音引擎对象与语音文件流对象。调用流对象的Open()方法实现语音流数据写入音频输出文件。