It does. 3GP是早期移动网络的削减 MP4 配置文件,通常使用AMR 音频的低分辨率. That is precisely what decides whether a cut can be placed arbitrarily or has to land on a structural boundary.
修剪时有什么具体关于 3GP 的具体信息吗?
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Yes — 3GP文件通常分辨率很低,有AMR 语言音频,因此,没有什么细节需要保护,许多大小需要收回. It explains most of the "the cut is a fraction of a second off" surprises.
此网站的转换器将图像从WebP、PNG、JPG和AVIF移动到WebP、PNG、JPG和AVIF, 也就是您决定是否值得丢失一个较小的文件。 Doing it in that order matters: pick the pixels first and the container afterwards, because the container is the cheap decision and the pixels are the expensive one.
