This is native 4K resolution. While most anime is produced in 1080p, these files are often upscaled using high-end algorithms for better clarity on 4K displays.
Are you having trouble getting the smoothly, or
This is the audio format (Advanced Audio Coding). It's a standard, high-quality compressed audio format that works on almost any device. [NC-Raws] - 09 (B-Global 3840x2160 HEVC AAC MKV...
Use a modern player like VLC or MPC-HC with the LAV Filters to ensure the HEVC video decodes properly.
This is the "release group." They are known for providing clean, high-bitrate "raw" video, often sourced directly from streaming services like Bilibili (indicated by B-Global ). This is native 4K resolution
The "Matroska" container. It allows the file to hold multiple subtitle tracks and audio streams in one package. Viewing Considerations
Because this is 4K HEVC, it requires a decent processor or a dedicated graphics card to play smoothly. Older laptops might struggle or "stutter." It's a standard, high-quality compressed audio format that
Based on that file name, you're looking at a high-quality release of an anime episode. Technical Breakdown