Time for a re- think.
I looked back over the research and i really liked the NSPCC idea of ripping the area of the mouth away, i had thought of this idea originally then found it on the net, but i my still do it depending on what else i can think off.
Below shows an example of how it may look
I don't think it looks too bad, obviously when it has all the relevant type on it and is actually ripped it may add to the effect a lot more.
Or i was thinking about doing a censor type strip that goes across the mouth, black box type of thing what is commonly used.
Out of the two images i prefer this one, i'm not sure wether it's because it looks better because the other one is a mock up. I think it's because it's black and the photo is black and white. so the colours fit nicely into it. It's simple but gets the message across, however i don't know wether it's been done too many times before. I just really like the visual look of it.
I thought i'd try it with the rip just to see what it looks like and now i can't decide between the two of them.
They both send out the same message but in a slightly different way. i may have to consult a few people to see their views on it.
Before i asked though i just wanted to try something out with the black rectangle over her mouth, just to see what it would look like.
I used the original slogan of make the hidden heard, which also works well as the lips are hidden. i have also used the orange from the Silent Cities logo for the type to keep consistency. I don't mind how this look, by adding the typography enforces what the poster is trying to say.