什么是 MK3D 文件?
Matroska 3D 视频容器格式
The Matroksta 3D (MK3D) file format is used for storing 3D content (video and audio) while using the standard MKV container. However, it also uses a StereoMode field for 3D video files which have a variety of configurations such as side by side (left eye is first) or top-bottom (right eye is first). The Matroska file format is seeking to be the future of 3D audio and video file formats. It was derived from a project called MCF, but MK3D files differentiate themselves from it significantly because it is based on EBML (Extensible Binary Meta Language), a binary derivative of XML. EBML enables the Matroska Development Team to gain significant advantages in terms of future format extensibility, without breaking file support from old media parsers.
MK3D 文件的常见用途
- 3D 视频内容
- 立体视频存储
- 家庭影院 3D
- 3D 蓝光翻录
- 3D 摄像机录制
- 3D 内容创作
谁会使用 MK3D 文件?
当项目需要在开放容器中保留 3D 布局时,保存立体 3D 发行版的影片档案管理员、立体后期制作与 VFX 团队,以及 VR 或沉浸式媒体开发者都会用到 MK3D 文件。拥有 3D 显示设备的家庭影院爱好者也会以这种格式保存自己的片库。
MK3D 与 MP4:应该选择哪一个?
MK3D 是一种 Matroska 容器,其 StereoMode 字段将文件标记为立体 3D(例如左右并排或上下帧封装),而 MP4 是 MPEG-4 Part 14 容器,没有这类专用的 3D 标识。基于 Matroska 的文件几乎支持任何编解码器,并可容纳无限数量的音频、字幕和章节轨道,而 MP4 则在设备和剪辑软件上具有更广泛的开箱即用兼容性。若要在保留多条音频或字幕轨道的同时保留 3D 视频,请选择 MK3D;若要在最广泛的播放器上进行标准 2D 播放,请选择 MP4。
将 MP4 转换为文字