how to add background effects on voice acting?

[Mudbill]

Sir, I just join in the Foum.

I want to ask, how to change and edit the logo menu amnesia the dark descent into my own home-made logo?

example: Amnesia - key to freedom - or something.

I'm from Indonesia, I plan and try to make my own costume story with Indonesian lang and english lang

You should've made your own thread for this, as it's completely irrelevant to the OP.

What you want is very simple, but as stated you will need a full conversion mod. It does not work with a regular custom story.
Once you have a mod up and running, you can edit which file is the logo in your menu.cfg file. The image should be a targa (.tga) format, and must be located within your mod's folders.