: Unlike standard MP3s or MP4s, the MKV format is an "open-standard container". This means it can hold multiple high-fidelity audio tracks (like FLAC for lossless sound) and HD video footage of the performance, all in one file that works on most portable Android tablets and media boxes. Curated Soundscapes
If you are interested in how high-quality video files like MKVs are handled across different devices, this paper discusses the underlying systems required for reliability and portability: A Reliable and Portable Multimedia File System atish mkv portable
If you are a fan of high-compression releases like Atish MKV , you might notice they use advanced codecs (like HEVC/x265) to keep file sizes small. Sometimes, default Windows players won't open these. : Unlike standard MP3s or MP4s, the MKV