[nc-raws] - 09 (b-global 3840x2160 Hevc Aac Mkv... File

This is the audio format (Advanced Audio Coding). It's a standard, high-quality compressed audio format that works on almost any device.

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 This is the audio format (Advanced Audio Coding)

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. Based on that file name, you're looking at

The "Matroska" container. It allows the file to hold multiple subtitle tracks and audio streams in one package. Viewing Considerations

Since this is a "Raw" release, check if it includes an "External" or "Soft" subtitle track. If not, you may need to find a .srt or .ass file separately to understand the dialogue.

This is the video codec. It’s highly efficient, allowing for massive 4K files to maintain incredible detail without reaching impossible file sizes.