Sync Closed Captions at Every 4 Seconds

  • 1
  • Question
  • Updated 1 year ago
I use a text file to sync captions.  I could easily sync the captions at around 20 or 30 second intervals.  Once I finish all text to sync, how do I automatically break down all of my synced captions at every 4 second intervals for the entire video clip to comply with the ADA?

Thanks much in advance for your help.
Photo of thomas.mcdiamond

thomas.mcdiamond

  • 8 Posts
  • 1 Reply Like

Posted 1 year ago

  • 1
Photo of Kelly Mullins

Kelly Mullins, TechSmith Employee & Helper

  • 2733 Posts
  • 564 Reply Likes
Hi Thomas,

I have read your post several times and I am not sure I am understanding.

Have you already created your captions? Or, is this a "pre captioning" question?

The captions will only allow you to make ADA captions if you have that option turned on. So, if you begin at the beginning, make your captions, you can only add a certain amount of text to create the ADA caption - you can't go over that.

Also, you can move captions around to get the correct placement if you need to. However, if you have synced them up, then you should not have to do this.

Here is a help page that has all of the caption options on it. There might be something here you can use:
https://support.techsmith.com/hc/en-us/articles/222245307-Captions

Or, perhaps expand a bit more on your question and someone can jump in to help.

Kelly
Customer Engagement
TechSmith
Photo of thomas.mcdiamond

thomas.mcdiamond

  • 8 Posts
  • 1 Reply Like
Hi Kelly,

Thank you very much for your quick reply to help.

I am using the "Synchronize Text and Audio From Script" on the bottom of the page whose URL you provided in your reply.

To reduce time for captions, I use a text file with the "
Synchronize Text and Audio From Script" technique to import the text and sync with the audio to generate captions.

However, it is easy for me to sync a large block of text like 20 or 30 second intervals.  But at the end, I would like to split those 20-30 second blocks of captions down to 4 second blocks to have one or two lines of closed captions displayed on the screen at a time.

From my understanding, there is no shortcut key to split the blocks of closed captions.  The popup menu from the right mouse click to split the captions is kind of slow to get one block split at a time.

So I am looking for an automatic split to get all of my 20-30 second blocks of captions broken down to 4 second block at a time for the entire video clip to save me some time.  Is there a technique to accomplish this task?

Thanks very much for your kind help and support.

Best Regards,
Thomas
(Edited)
Photo of kayakman

kayakman, Champion

  • 6243 Posts
  • 1828 Reply Likes
if you select the caption on timeline, use the "S" key to split it at the playhead [??]
Photo of thomas.mcdiamond

thomas.mcdiamond

  • 8 Posts
  • 1 Reply Like
Hi kayakman,

Thanks very much for your help.

The "S" key split the caption block into two sub-blocks. but duplicate the content of the original block into those two blocks.  Now I have more work to cut the text out from the split blocks.

In addition, the blocks being split with the "S"  do not have the nice property of the caption blocks which I create from typing in directly.  I cannot adjust their lengths with dragging the vertical edge to make them further matched with the waveform.

Best Regards,
Thomas
Photo of kayakman

kayakman, Champion

  • 6243 Posts
  • 1828 Reply Likes
re adjust their lengths with dragging ...

you can do this, but you may have to make timeline space to the right

re duplicate the content of the original block ...

that is the behavior, sorry that does not help your workflow
Photo of kayakman

kayakman, Champion

  • 6243 Posts
  • 1828 Reply Likes
have you tried using speech-to-text to generate your captions?

this described technique works very well for me

How To Improve Speech To Text Accuracy
http://www.screencast.com/t/4zkfeIW0QKj

this tutorial was done in CS8, but the same approach works in CS9
(Edited)
Photo of thomas.mcdiamond

thomas.mcdiamond

  • 8 Posts
  • 1 Reply Like
Thank you very much for your kind help with the video clip on STT.

I am using Dragon to get a better accuracy for the STT.  That has been why I need to sync the text back with the audio.
Photo of thomas.mcdiamond

thomas.mcdiamond

  • 8 Posts
  • 1 Reply Like
Hi Kelly,

IMHO, while the 'Sync captions' is active, would it be more productive to

1. have the Shift+Tab works to bring the playhead to previous block

2. have the Shift+'`' or '~' work to bring the playhead to the 
   beginning of current block

3. have Spacebar and/or Enter toggle pause and resume of the 'Sync 
   captions' since the Resume button is too far south from the top 
   of the Captions column.

4. hide the 'New caption at word' tooltip since it blocks the reading 
   of text

Thanks very much for your kind support.

Best Regards, 
Thomas
(Edited)