This paper presents a method to quantificationally measure expressions of virtual person by using MPEG4 standard and muscle-based facial model.

描述了一种结合MPEG4标准和人脸肌肉模型对人类表情进行归一化定量描述的方法。

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In our standard video test (running an MPEG4 video clip on loop, WiFi on, screen at roughly 65 percent brightness), the iPad 2 managed an astonishing 10 hours and 26 minutes of non-stop playback.

在标准的视频测试中(循环播放MPEG4视频，打开WiFi，屏幕亮度设为65%)，iPad 2得到了10小时26分的好成绩。

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Additionally, the TL34HD utilizes H.264 compression, a codec for high definition video that has become an industry standard and which yields three times the recording length than of MPEG4.

ENGADGET: Samsung gets official with 14.7MP TL34HD point-and-shoot