The rear-facing camera can record 720p high-definition content at 30 frames per second (fps) with audio, and the front-facing camera records VGA (video graphics array) video at 30fps.

iPad2上的后置摄像头能够摄录720线、30帧/秒高清有声视频，前置摄像头能够摄录30帧/秒VGA（视频图形阵列）视频。

youdao

The -mf fps=17 parameter tells mencoder to create a movie at 17 frames per second.

mf fps=17 参数告诉 mencoder 创建每秒 17 帧的影片。

youdao

Target FPS: The frames per second deemed acceptable that is used as the benchmark to change the FPS text colour.

认为可接受的帧率，被用来作为改变FPS文本颜色的基准。

youdao

Second, 720p is 60 fps (frames per second). 1080i, on the other hand, is interlaced and 30 fps (60 fields per second).

ENGADGET: The Clicker -- Why are there 18 standards for HDTV?

The camera offers a full-frame, 20.2-megapixel CMOS sensor and continuous shooting up to 4.5 frames per second (fps).

ENGADGET: Canon unveils EOS 6D DSLR: full frame sensor and WiFi for $2,099 in December

So instead of seeing a movie at the traditional rate of 24 frames per second (fps), viewers see it at 48 fps.

FORBES: Film's Latest Picture Show