Subtitle case study

動画の中国語字幕を消す

Updated · Editorial methodology

Chinese subtitles can cover a dense band of image detail, especially when paired with an English line. Inspect both lines and their outlines after repair.

Case notes from supplied original/result videos · fixed timestamps inspected September 8, 2026

The bilingual waterfall example removes both the Chinese and English lines at the inspected moments. The useful question is how the combined covered band looks afterward, not which language name is selected.

Inspect the subtitle strokes in motion

Compare the original and result as the video plays.

元の動画
処理結果
Actual AI result.

Two subtitle lines over a waterfall

These notes refer to the supplied original/result pair shown in the player, not a newly submitted processing job.

The sample being inspected
ConditionDetails
Source1280 × 720 縦型 滝、8秒
TextChinese and English lines with strong outlines.
ChallengeTwo-line coverage across changing water and detailed rock.

At 1.00s and 3.50s, the Chinese and English words visible in the input are absent from the supplied result. The region is filled by the waterfall and surrounding rock picture rather than a visible caption panel.

元の動画 · 1.00s元の動画 video detail at 1.00 seconds
処理結果 · 1.00s処理結果 video detail at 1.00 seconds
At 1.00s, the two lines cover different parts of the waterfall and rock. Inspect the whole combined band, including the dark outer strokes.
元の動画 · 3.50s元の動画 video detail at 3.50 seconds
処理結果 · 3.50s処理結果 video detail at 3.50 seconds
This detail is from 3.50s, when the wording has changed. Both lines are absent in the result; compare the irregular rock texture and water underneath.

The two sampled moments demonstrate removal on this clip, not guaranteed recovery of the hidden rock or water pattern. They do not establish results for every font, subtitle position or bilingual video.

中国語と英語のラインが異なるソースから

In your own file, one line may be a subtitle track you can turn off while another is burned in. Turning off a Chinese track does not classify the English words that remain.

One line switches off

Remove that subtitle source without changing the picture, then inspect the remaining line separately.

Diagnose mixed subtitle types

Both lines remain in the picture

Test a scene where the two lines have their greatest combined width and coverage.

See hardcoded subtitle repair

Check storage separately from the language

The writing system does not determine whether subtitles are a separate track or part of the video frames.

  1. Disable player subtitles

    If the words disappear, remove the selectable subtitle track instead of running image repair.

  2. Inspect any remaining text

    バイリンガルまたはダウンロードされたファイルには、複数の字幕ソースが含まれる場合があります。 各ラインを個別に確認してください。

  3. Prepare a supported local clip

    Use MP4, MOV or WebM. There is no language selector or translation step in the automatic workflow.

Identify your subtitle type

Decide whether your result is ready for the next edit

Check the intended use rather than assuming language support establishes quality.

Before replacing the captions

  • The complete line, outline and punctuation are acceptably removed.
  • Nearby objects remain usable in motion.
  • Important background lettering has been checked against the source.
  • The download contains the whole intended scene.
  • Replacement subtitles are created separately in your editor.

Try your own video

Choose a local clip, preview it and review the cost before processing.

Free trial & upload limits

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無料アカウント:50MB・有料アカウント:100MB

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自動処理により、ほかの文字やロゴも変わる場合があります。 料金を見る

Questions and answers

Do I need to select Chinese before processing?

No. There is no language selector in the automatic workflow. Use a short representative sample to evaluate the actual lettering and background.

Does removing Chinese subtitles translate the video?

No. It attempts to remove visible text. It does not translate speech or create another subtitle track.

Were these examples processed again for this case study?

No. The notes inspect supplied original/result pairs at fixed timestamps. They do not measure a new job’s speed, cost or performance on other footage.