That was a camera shutter.

那是照相机快门声。

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Mute camera shutter sound.

一把拍摄声音设为静音。

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The length of time required or permitted for a camera shutter to open and admit light.

暴光的时间照相机快门打开并让光线进入所需的或能允许的时间长度。

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Speaking of which, we were delighted by the fact that both phones feature a dedicated camera shutter button.

ENGADGET: T-Mobile myTouch and myTouch Q coming August 8th for $50, we go hands-on

The convenient Satechi BT Media Remote has a remote camera shutter button so users can take photos without leaving themselves out of the camera.

ENGADGET: Satechi BT Media Remote steers your iOS media habits, summons Siri via Bluetooth

Another feature, called HTC Zoe, captures short high definition videos instead of still images before and after the camera shutter is pressed, so that users can chose the best picture to capture the moment.

BBC: HTC unveils revamped HTC One flagship Android smartphone