Subtitles and Caption Caption Timing and Synchronization 1 — Questions and Answers
Question 1: What is the standard maximum caption reading speed recommended for adult audiences in the U.S.?
- 180 words per minute (Correct answer)
- 250 words per minute
- 120 words per minute
- 300 words per minute
Correct answer: 180 words per minute
Industry guidelines typically recommend a maximum of 180 words per minute for adult caption reading speed.
Question 2: What term describes the delay between spoken audio and the appearance of corresponding captions?
- Latency (Correct answer)
- Drift
- Lag frame
- Offset
Correct answer: Latency
Caption latency refers to the delay between when audio is spoken and when the corresponding caption text appears on screen.
Question 3: In subtitle files, what does 'timecode' represent?
- The in and out points that define when a subtitle appears and disappears (Correct answer)
- The frame rate of the video file
- The language identifier of the subtitle track
- The font size metadata
Correct answer: The in and out points that define when a subtitle appears and disappears
Timecodes in subtitle files mark the start (in-point) and end (out-point) times for each subtitle line to appear on screen.
Question 4: What is 'caption spotting' in the captioning workflow?
- The process of setting in and out timecodes for each caption segment (Correct answer)
- Identifying speakers in multi-person scenes
- Checking caption accuracy against the script
- Color-coding captions for different speakers
Correct answer: The process of setting in and out timecodes for each caption segment
Caption spotting is the process of assigning precise start and end timecodes to each caption block so it appears in sync with audio.
Question 5: What minimum duration is generally recommended for a caption to remain on screen to be readable?
- One second (Correct answer)
- Half a second
- Three seconds
- Five seconds
Correct answer: One second
Industry guidelines recommend captions remain visible for at least one second, with most guidelines preferring 1–2 seconds minimum.
Question 6: When captions arrive too early relative to the audio, this timing error is called:
- Leading caption (Correct answer)
- Trailing caption
- Drift caption
- Jump caption
Correct answer: Leading caption
A leading caption appears before the corresponding audio, which can confuse viewers by revealing dialogue ahead of time.
What is the standard maximum caption reading speed recommended for adult audiences in the U.S.?