Setting up a live human captioner

Zoom supports live human-generated captions. The meeting Host must arrange for a captioner to attend. 

1. Before Meeting:

Arrange for a captioner to attend the meeting.

Frequently asked questions:

How do I arrange for a captioner?  

The meeting host can set this up with sends e-mail), our contact at ACS (Alternative Communications Services). Duke's ACS contact will arrange for a captioner to be an attendee. The meeting host would assign them as the captioner. Details are shown in the next step.

How far in advance do I need to schedule a live captioner?  

As much as possible, but a day or two will work. 

How much is live human-generated captioning going to cost? 

About $100 per hour.

How would billing work?  

ACS generally will invoice weekly, but they are flexible.  You will need to provide the name/email of who to invoice. 


Ensure captioning is enabled in your account before the meeting starts.

Note: You only need to do this once. It will remember this setting for all your meetings.

  1. Go to
  2. Choose "Settings" on the left.
  3. Choose "In meeting (advanced settings).
  4. Enable the "Closed captioning" toggle:
Enable manual captions toggle

    2. In Meeting:

    Assign the ACS human captioner as the captioner

    Assign a Participant to type


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