![]() The direct encode is usually a raw without subtitles and is used by muxers or fansubbers to make a release. Most can be found on Nyaa with some rare stuff on rutracker(Russian). This is the only kind of encode considered good quality. ![]() The sizes are huge, just like bdmvs.īDRip - An encode made directly from the BDMV/BDRemux. In some cases, blurays from Italy or other countries might have the best quality.īDRemux - The BDMV is losslessly packaged into mkv files for ease. JPBDs often have better quality than USBD because of more bitrate devoted to the video instead of multiple(dub) audio tracks. Release groups don't matter for bdmvs because they're all the same unless the files are corrupted. These can be found on U2 (Chinese-Private), Skyeysnow (Chinese-Open) and Nyaa (usually without seeds). It's used as a source for making another release or encoding, this is not useful for watching. The video is filtered with Avisynth/Vapoursynth before passing it on to the encoder.īDMV - A simple complete copy of the bluray. This fixing is called filtering, a step which comes before encoding. Even if issues aren't present in the bdmv, they can appear in the encode because of compression. For example, a lot of anime is native 720p and is upscaled to 1080p for the bluray. These might be originating from a variety of reasons. It often suffers from issues like banding, blocking, noise, aliasing, etc. The official BDMV, from the blurays, is itself an encode of the actual source. These statements might seem too complicated or a bit vague, I'll try to explain in brief, but this is beyond the scope of a guide for beginners and more into the realm of encoding. If something apparently looks "better" because it unnecessarily alters the video, then it's not a good indication of quality. ![]() There is a difference between obvious flaws which need to be fixed and your subjective preference of how you like the encode. The best release for the purpose of this guide is an encode which fixes flaws of the raw bdmv while simultaneously not altering the original material too much. Random string at the end of the filename is typically CRC32. Resolution is 1920x1080p, p stands for progressive video.Ĭodec used to encode the audio, DDP stands for Dobly Digital Plus Video is taken from BluRay (typically JPBD) The full information for a video will look like:Ĭommonly used container that holds everything together. Higher level/profile = lower compatibility = more processing power needed to decode. Level/Profile - These are specifications within the h264/h265 standard which give an idea of compatibility and specify the maximum resolution and bitrate, for example h264 4.0 = 1080p 30fps 20 Mbps. 60 FPS encodes are even worse and should be avoided. This is not recommended for anime and should be disabled in settings. Many TVs use interpolation to turn this into 60 fps giving you an artificial sense of smoothness. Converting an 8-bit source to 10-bit might seem counterintuitive if you know a little about transcoding and data loss, but it gives a better result at smaller sizes.įrame rate - This will usually be 23.976 FPS. HEVC(h265/x265) and AVC(h264/x264) are the main ones.īit depth - 8-bit/10-bit - Most high quality anime encodes are 10-bit. The codec is the biggest factor in compatibility with your hardware and system. You can losslessly convert between them with ffmpeg.Ĭodec - This is what most people mean when they confuse it with the container. Even the exact same video can be placed in different containers. mkv and.mp4, these contain various video, audio, and subtitle streams within them.
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