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What are the ideal 4K video settings for YouTube publishing to ensure optimal quality and performance?

**Resolution matters**: 3840 x 2160 or 4096 x 2160 are the recommended resolutions for 4K video publishing on YouTube, ensuring optimal quality and performance.

**Frame rate affects playback**: A frame rate of 23.976 or 24 fps is recommended for 4K videos, as it provides a smooth playback experience for viewers.

**Bitrate limits**: Maximum bitrates of 35 Mbps for standard definition, 45 Mbps for high definition, and 50 Mbps for ultra-high definition ensure that videos are not overly compressed and maintain quality.

**Codec selection is crucial**: Using H.264 or H.265 codecs is recommended, as they provide efficient compression and maintain video quality.

**File size limits**: A maximum file size of 10 GB for 4K videos is enforced by YouTube to prevent overly large files from causing upload issues.

**YouTube optimizes automatically**: YouTube automatically reduces the resolution of 4K videos to 1080p or 720p for viewers with slower internet connections, ensuring a smooth playback experience.

**Audio encoding is important**: Audio must be encoded at a bitrate of 128 kbps or higher for stereo and 256 kbps or higher for 5.1 surround sound to ensure clear audio.

**MP4 and WebM formats are preferred**: YouTube recommends uploading 4K videos in MP4 or WebM formats, which are compatible with the YouTube algorithm.

**4K resolution limits**: YouTube supports uploading in all standard resolutions, including 1080p, 4K (2160p), and 8K (4320p).

**Frame rates vary**: Common frame rates for YouTube uploads are 24, 25, and 30 fps, but other frame rates are also accepted.

**No way to detect 4K recording**: Once uploaded, there is no way to determine if a video was recorded in 4K, as the resolution is not explicitly indicated.

**Editing benefits from 4K**: Recording in 4K allows for more flexibility during editing, as it provides more wiggle room for adjustments.

**Bitrate doesn't always matter**: In some cases, using a higher bitrate may not result in better video quality, as YouTube's reencoding process can negate the benefits of higher bitrates.

**H.265 vs.

H.254 codec comparison**: In some cases, using H.265 vs.

H.254 codec can result in better video quality after YouTube's reencoding process.

**CBR, VBR 1 pass, and VBR 2 pass options**: Different bitrate settings, such as Constant Bit Rate (CBR), Variable Bit Rate (VBR) 1 pass, and VBR 2 pass, can be used depending on the video content and intended use.

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