wireless sound apple tv for movies

Hello all,

I am not pretty sure if I can do this. Would it be possible to connect my apple TV instead of a TV to a projector by an HDMI cable and send the sound wirelessly to my airport express that is connected to a sound system? I would be watching the image by the projector and the sound in my sound system trough the airport express. I want to see movies from itunes and netflix using that method, is that possible?

Thanks so much

Pablo

Apple TV

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