Use "speech synthesis assistant" to make it. This is a professional advertisement recording software. Just enter your written advertising words, and the system will automatically convert them into voice files according to your words, and add functions such as background music, speaker selection, voice adjustment, background volume, speaker volume adjustment, MP3 format export, etc. This is a screenshot of this software and an advertisement recording. You can hear the effect.

You can also search related Baidu experience articles to see how to make an advertisement recording:/article/636f38bb73b1F5 d6b8461088.html.