I can read very quickly and not hear a voice, but usually I read slow enough that I can. The tone usually depends on what it is I'm reading (Hacker News sounds

I can read very quickly and not hear a voice, but usually I read slow enough that I can. The tone usually depends on what it is I'm reading (Hacker News sounds different to Harry Potter), but I think the actual voice is the same. I've never really thought about it before.