前段时间,关于PDA即将被MP4所取代的传言满天纷飞,笔者对这个说法相当感兴趣,因此搜集了不少资料,想以此证明点什么。首先我们要搞清楚什么叫做MP4?一直以来,有许多消费者对MP4的认识比较模糊,就简单认为MP4,就是MP3的下一代,能够播放MPEG-4的播放器。关于MP4的准确概念,一言难 Some time ago, on the PDA will soon be rumors replaced by MP4 skyrocketing, I am very interested in this argument, so collect a lot of information, in order to prove something. First, we have to figure out what is called MP4? There have been many consumers on the MP4 more vague, simply think that MP4, is the next generation of MP3, MPEG-4 can play the player. The exact concept of MP4, a word difficult