How can I re-sync the subtitle and the video using VLC media player?

Question

When I play a movie with subtitles (on VLC media player), the text is often displayed too soon or too late. Is there a way to delay the starting point of the subtitles?

Answer 1

1. Open VLC media player.
2. Click the File Menu.
3. Click Open File.
4. Click Browse to Open the Movie.
5. Check the "Use a subtitle file" Box.
6. Click Browse to Open the Subtitle.
7. Click "Advanced Settings"
8. Move the Delay into the minus if the subtitles are too fast. Move it into the positive if the subtitles are too slow.

You can also just press H and G while the video is running to align the subtitles backward and forward in time; for the voice use J and K. The increments are in milliseconds, so it can be pretty easily fine tuned that way.

Source

If you want to fix the subtitles 'for good', I recommend Subtitle Workshop; it's free.

Answer 2

There is a much more easy way to do this via the advance synchronisation functionality of VLC

1. Detect (“hear and see”) that subtitles are out of sync
2. Press Shift + H when you hear a sentence that you will be able to easily recognize
3. Press Shift + J when you read the same sentence in the subtitle
4. Press Shift + K to correct the sync

Answer 3

By command-line is possible to use the option --sub-delay followed by the number positive or negative of 1/10 of seconds of delay to add. So to shift the subtitle of 3 second you can run vlc with the following command line

 vlc --sub-delay 30  myfile.avi

In a similar way acts the option --sub-fps that override the normal fps.

--sub-fps Frame per second
Override the normal frames per second settings. This will only work with MicroDVD and SubRIP (SRT) subtitles.

With VLC 3.0.0 there are some other option that can be useful (and almost self-explicative)

• --sub-fps
• --sub-delay
• --sub-type
• --sub-file
• --sub-language
• --sub-autodetect-file

More options maybe interesting:

• --sub-description, --sub-autodetect-fuzzy --sub-autodetect-path --sub-margin -sub-source --sub-filter --sub-track --sub-track-id

Specifically with subsdelay

• --subsdelay-mode --subsdelay-factor --subsdelay-overlap --subsdelay-min-alpha --subsdelay-min-stops --subsdelay-min-start-stop --subsdelay-min-stop-start

For further information invoke vlc -H or check the online vlc user manual

Answer 4

2017 VLC version 2.2.6

Open

Tools => Track Synchronization => Subtitle Track Synchronization

Here you can increase/decrease the speed.

Answer 5

With VLC for Mac (mine is v3.0.6),

1. Use the menu File > Advanced Open File ...;
2. In the prompt, select the File tab, and browse to your video file;
3. Check Add Subtitle File, then click Choose... to bring up the next prompt;
4. In that prompt, browse to your subtitle file;
5. Check Override parameters;
6. Set your delay in seconds in Delay. Minus values speed up subtitle and vice versa;
7. Hit OK then hit Open. The video either restarts or continues depending on your related settings in your Preferences;
8. If the delay is not quite there, repeat #1-7 with adjustments; if that still doesn't seem to work, then after resetting, close and reopen VLC.

One trick: Use big numbers at first, e.g., 20s, to test water, then fine-tune to close in on the actual delay.

Answer 6

The best way to synchronize your subtitles is not via VLC (tho it is possible). To permanently synchronize subtitles you would need to use tools like SubtitleWorkshop and through that tool you can easily edit subtitles the way you want, even set first and last spoken like synchronize subtitles even with more accuracy.

Answer 7

VLC has an advanced support for subtitles. You can easily synchronize subtitles with keyboard shortcuts G and H within the application.

This way, you can sync subtitles by +/- 0.5 seconds by default.

However, if you want more functions and possibility to save synchronization permanently in your subtitle file, then you would need to use tools such as Subtitle Workshop.

Through this app, you can easily set the first and the last spoken word in the movie and subtitle timings are automatically adjusted between these two lines.