数字水印的研究对象主要包括静止图像、视频和声频信息。
What digital watermarking technique mainly research on is still images, video and audio signals.
本质上，多媒体是本文的整合，声频声音，静电图标图像，动画和全提议录像带。
Essentially, multimedia is the integration of text, audio sound, static graphic images, animations, and full-motion video.
缺点：发动机的声音太柔和了；（竞赛中）提示声频出现的过于频繁会让你的神经最终崩溃（呵呵，搞笑）；细小但还是能留意到的图像问题。
The Bad: Exhaust notes are too subdued; announcer says nitrous so often that you'll eventually go insane; minor but noticeable graphical issues.
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