An event proposal includes “captions”. Does that mean people can follow the video while the event happens, or that the edited recording will arrive with a checked caption track afterwards? If you need both, the proposal should name both.
These are related services, but their responsibilities occur at different times. A finished caption file cannot retrospectively provide access to a live discussion. Equally, captions displayed during the broadcast should not automatically be accepted as the finished captions for a later edit.
Start with the audience's access needs and the agreed viewing arrangements. Then commission the work needed at each stage, including the handover between them.
Decide when access is needed
Identify who will watch the live video and who will use the recording later. Establish the applicable organisational requirements with the person responsible for accessibility rather than asking a production supplier to infer them.
W3C's explanation of live captions concerns access to audio in real-time synchronized media. It is not a blanket statement of Australian legal obligations or a complete assessment of your event. Use it to understand the distinction, then obtain advice appropriate to the actual audience and requirement.
If there is a live access need, do not treat a promise to caption the recording afterwards as an equivalent option. If the only viewing arrangement is an approved recording, the purchase may instead be entirely post-production. Where both audiences exist, separate the two commitments even if one supplier can deliver them.
Buy a live service, not just a text output
For the live stage, identify the segments requiring captions: the prepared presentation, introductions, questions or other agreed content. Explain how the audience will receive the video and captions. Unplanned contributions matter if they form part of the required experience.
Ask the proposed captioning provider and production team to explain their respective responsibilities. Who supplies usable audio? Who connects the caption output to the viewing arrangement? Who monitors the audience experience and responds if captions disappear or fall behind?
Discuss timing and accuracy in relation to the real event. Ask how the provider handles unfamiliar names, speaker changes and uncertain words, and what preparation it needs. Do not substitute an unsupported accuracy percentage or universal delay limit for a suitable service proposal.
The purchase should identify availability for the agreed event window, the proposed test and the operational contact. A person generating captions and a person controlling the streaming platform may be different suppliers. Neither responsibility should disappear between their quotations.
Test the audience route before the event
Agree a test involving the intended audio path and the way viewers will actually access captions. Check what happens with the proposed presentation and participation arrangements, not just whether text appears somewhere in a production interface.
As a platform-specific example, Vimeo's manual live-caption workflow recommends testing on the viewer's video page because captions do not appear in its live preview page. This is not a recommendation of that platform or a claim that another service behaves identically.
Have the responsible specialists assess observed delay, readability and delivery problems. Agree who receives reports during the event and what response is possible. These are commissioning questions, not a substitute for specialist evaluation or a guarantee that a test prevents every interruption.
Define what happens to captions afterwards
Ask what the live service actually leaves behind. It might include retained caption data, a transcript, a captioned archive or separately supplied files. Confirm the deliverable rather than assuming those descriptions mean the same thing.
W3C's caption guidance notes that live captions will probably need accuracy editing before a recording is posted. That observation is not a promise that every recording requires only a small correction pass.
Now identify the later film. Is it the unchanged session, a trimmed recording or an edited programme containing selected passages? The caption work must relate to that approved version. Material removed, reordered or added in the edit can change what needs captioning and when the text appears.
Ask the supplier to assess whether retained captions can be revised or whether new caption work is appropriate. Assign correction, alignment and destination checks explicitly. The existing accessibility requirements worksheet supports the recorded-film brief; this purchasing decision determines who performs the agreed work and what they receive.
Use a two-stage commitment and handover matrix
Complete one row for each materially different viewing arrangement.
| Field | What to agree |
|---|---|
| Audience and timing | Live video participation, later recording, or both |
| Content boundary | Named segments and later approved edit |
| Live responsibility | Caption provider, audio-feed owner and integration owner |
| Live acceptance preparation | Viewer-path test, issues to resolve and response contact |
| Retained material | What is supplied or accessible after the event |
| Handover dependency | Who supplies the final edit and relevant retained captions |
| Recording-caption work | Correction, alignment or new preparation included |
| Final acceptance | Reviewer, destination and release authority |
Keep the two stages visible when comparing proposals. A cheaper-looking caption line may cover only one stage, but a larger package is not automatically necessary. Choose the work that meets the established need.
A hypothetical event with a later edited recording
A fictional business forum needs captions for its live online panel and a shorter approved recording for later viewers. The live provider supplies a transcript, while a separate editor prepares the film.
The buyer does not send that transcript straight to publishing as though it were the completed caption track. It asks the relevant supplier to assess the retained material against the approved edit and scope the required caption preparation and checking. Live delivery and the finished recording receive separate acceptance responsibilities.
This is adjacent corporate purchasing guidance, not a confirmed Live Images live-captioning offer. If approaching Live Images, ask about suitability and any separate specialist or production provider required. The useful brief states when the audience needs access, what each stage must deliver and who owns the transition.
Prepared with AI assistance for Live Images. Planning guidance is general; suitability and production scope must be agreed for your project.