According to this site, the Adobe caption pods which are extensions are available free of charge to Adobe Connect customers. With the Adobe Connect Closed Caption Pods extension from Adobe ensures that participants who are deaf or hard of hearing may fully participate in online meetings and events.
To download the pod/extension click on this link
https://www.adobe.com/products/adobeconnect/feature-details/closed-captioning.htm
Meeting organizers hire professional captioning services from providers such as the Media Access Group at WGBH, Caption Colorado, and Caption First. Professional stenographers join the Adobe Connect meeting or teleconference to listen to the audio and transcribe the information using specialized stenographer’s keyboards. This information is transmitted to a captioning server, This YouTube video shows how it is done. They are using Caption Colorado when we will be using Caption First for our demo
The captions are transmitted to the Adobe Connect Meeting and viewed by the end users. Meeting participants have the ability to customize the caption font size and color settings to enhance readability. Participants can even skip back to re-read previous captions and then fast forward to the current captions. Participants may individually choose to display or not to display captions on their individual screen. Participants can optionally save the captions as a transcript and download them at the conclusion of a meeting.