你的視頻在推特（現(xiàn)為X）上畫質(zhì)差的主要原因包括：① 推特會(huì)重度壓縮視頻以節(jié)省帶寬，導(dǎo)致清晰度、色彩和細(xì)節(jié)下降，尤其是高碼率或高分辨率視頻；② 原始視頻質(zhì)量差或?qū)С鲈O(shè)置不當(dāng)，如低光照拍攝、低分辨率或過度壓縮；③ 上傳時(shí)網(wǎng)絡(luò)不穩(wěn)定，導(dǎo)致平臺(tái)處理出低質(zhì)量版本；④ 視頻比例不當(dāng)引發(fā)裁剪或拉伸，影響顯示效果；⑤ 重復(fù)上傳已壓縮過的視頻（如來自抖音、Instagram等平臺(tái)），造成多代壓縮損失。解決方法是：使用1080p分辨率、8–12 Mbps碼率、H.264編碼、30fps或60fps的MP4格式視頻，優(yōu)先從原始高清文件上傳，并避免使用社交平臺(tái)二次導(dǎo)出的內(nèi)容，最終可顯著提升成片質(zhì)量。

Your video quality might look bad on Twitter (now X) for several reasons — and it’s usually not just one single issue. Here’s a breakdown of the most common causes and how they affect your videos:

? Twitter Compresses Videos Heavily

Twitter automatically compresses all uploaded videos to save bandwidth and storage. This compression reduces file size but also degrades quality, especially if your original video is high resolution or high bitrate.

• What happens: Even if you upload a 4K video, Twitter will re-encode it, often downgrading sharpness, color accuracy, and detail.
• Bitrate limits: Twitter caps video bitrates. High-motion or detailed scenes suffer the most — you might see pixelation or blurriness.
• Resolution limits: While Twitter supports up to 1080p, anything above that gets downscaled.

? Tip: Uploading a 1080p video (not 4K) at a moderate bitrate (around 8–12 Mbps for H.264) can actually look better because it's closer to what Twitter expects.

? Poor Source Quality or Incorrect Settings

If your original video isn’t recorded or exported properly, Twitter’s compression will make it look even worse.

Common issues:

• Filmed in low light or with a low-end camera
• Exported at too low resolution or bitrate
• Over-compressed before upload (e.g., exported from editing software with aggressive settings)

? Best export settings for Twitter:

• Resolution: 1080p (1920x1080) or 720p for shorter clips
• Format: MP4 (H.264 codec, AAC audio)
• Bitrate: 8–12 Mbps for 1080p, 5–8 Mbps for 720p
• Frame rate: 30fps (or 60fps if motion is important)

Avoid uploading heavily edited or already-compressed videos (like ones saved from Instagram or TikTok).

? Weak Internet Connection During Upload

If your upload speed is slow or unstable, Twitter may process your video using a lower-quality intermediate version, which can affect final output — especially for longer videos.

? Fix:

• Upload over a stable Wi-Fi connection
• Avoid mobile data or crowded networks
• Wait for full processing (don’t refresh mid-upload)

?? Aspect Ratio and Cropping Issues

Twitter displays videos differently depending on aspect ratio. If your video is cropped or stretched, it can look distorted or low-res even if it's not.

Recommended aspect ratios:

• Vertical: 9:16 (good for mobile)
• Square: 1:1 (safe and centered)
• Horizontal: 16:9 (standard, but takes up less screen space)

Avoid extreme ratios (like 21:9), as they get letterboxed or poorly scaled.

? Re-uploading or Sharing from Other Platforms

If you’re uploading a video that was already posted on TikTok, Instagram, or YouTube, it’s likely been compressed multiple times — each time losing quality.

This "generation loss" adds up fast:

• First compression: when you posted it elsewhere
• Second: when you downloaded it
• Third: when Twitter re-encodes it

? Avoid re-sharing social media exports. Always go back to the original, high-quality file when possible.

Bottom line: Twitter’s compression is unavoidable, but you can minimize quality loss by uploading clean, properly formatted 1080p videos from the original source. The better the starting point, the better it will look after processing.

Basically, it's not just your camera — it's the whole pipeline. Getting the export settings right makes a surprisingly big difference.

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