Are you having trouble getting the smoothly, or
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 ). [NC-Raws] - 09 (B-Global 3840x2160 HEVC AAC MKV...
Based on that file name, you're looking at a high-quality release of an anime episode. Technical Breakdown Are you having trouble getting the smoothly, or
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. high-bitrate "raw" video
This is the audio format (Advanced Audio Coding). It's a standard, high-quality compressed audio format that works on almost any device.
The "Matroska" container. It allows the file to hold multiple subtitle tracks and audio streams in one package. Viewing Considerations