Love the whistle activated shutter

My job requires me to take photos when I am on the road. But often one of my hands is full of papers and documents. So using a whistling sound to activate the shutter to capture a photo with my free hand is super handy for me. Except there is no shutter sound when using the whistle sound option. For me, I needed an audio feedback, like all the other camera apps that are available in the app store.

ddmak about CameraSharp - Anti Shake, Burst, Time Lapse, Self Timer Camera, v1.2