across the entire video. For x265, a "sweet spot" for high-definition content is typically between , while 4K video can often go up to Coding Tree Units (CTUs):
Slower presets use more advanced motion estimation and spatial analysis. This allows the encoder to find more redundancies in the video, resulting in a smaller file size for the same CRF value. 3. Tackle the Audio shrinking x265
If you are using , use these specific settings for maximum "shrinkage": Video Codec: H.265 (x265) Framerate: Peak Framerate (same as source) Constant Quality: 22 or 23 RF Encoder Preset: Slow Audio Tab: Codec: Opus / Mixdown: Stereo / Bitrate: 128 Summary Table: Quality vs. Size Highest Quality Large file, transparent quality Balanced Moderate file, great for TV/Tablets Maximum Shrink Tiny file, some loss in dark scenes across the entire video
Being free and open-source, Shrinking x265 is accessible to anyone looking to encode videos without incurring costs. This openness also fosters a community of users and developers contributing to its improvement. This openness also fosters a community of users
When shrinking files, stop using "Target Bitrate." Instead, use . This tells the encoder to maintain a specific level of visual quality regardless of the file size.