Your proposed film explains a project through interviews, diagrams and views of the completed work. Some essential information exists only in the pictures. Before production begins, ask whether that meaning can be included naturally in the main audio or needs a separately described treatment.
The choice can affect interview preparation, script structure, editing and the files your team will publish. It deserves a production discussion rather than a late instruction to add another voice.
Start with the access needs and requirements confirmed by the responsible adviser. This is a comparison of production approaches, not a determination that a particular film satisfies every accessibility requirement.
Define the information the audio must carry
Identify what the viewer needs to understand, rather than listing every visible object. A speaker's identity, a relationship shown in a plan or a change between two spaces may matter to the story. Decorative footage may not carry the same explanatory burden.
For each essential point, identify whether it is already understandable from the proposed spoken account. An interview can explain a visual relationship without sounding like a separate description track, provided the meaning is actually present and accurate.
Have the accessibility and project reviewers assess that distinction. Do not ask an editor to guess which details someone who cannot see the pictures will need, or assume that a technically correct sentence supplies all the missing context.
Consider an integrated approach while the film is still flexible
With integrated description, the main spoken content communicates the relevant visual information as part of the explanation. W3C's description guidance identifies this as an option for some new videos when the necessary meaning can be included in the main audio.
For a project interview, that might influence the questions and the preparation supplied to the speaker. Instead of relying on pointing or a visible diagram, the contributor may need to explain the relationship in words. For narration, the required context can be considered while the script is being developed.
This approach needs planning and checking. Do not assume it costs nothing or that asking people to speak more descriptively guarantees a complete result. The final audio and picture sequence must still be assessed together against the actual requirement.
Consider a separate treatment when the main account cannot carry everything
A separately described version or supported description track can provide information outside the main dialogue. The production needs to account for when that description can be heard without obscuring important speech or other meaningful audio.
W3C's guidance also considers available pauses and the media player's support for different description methods. Ask the specialists what those conditions mean for your proposed film. Continuous speech may require a different structure or a separately paced version rather than simply placing more narration over it.
Clarify what the viewer will receive: a separate video, an additional audio track or another supported treatment. These have different production and publishing implications. A promise to supply “audio description” is incomplete if nobody knows how the intended audience will access it.
Use a narration-space feasibility matrix
Take this into the conversation before the filming plan or script is locked. Use one row for each essential visual meaning, not every shot.
| Field | What to assess |
|---|---|
| Essential information | The fact or relationship currently carried by pictures |
| Main-audio coverage | What the planned interview or narration already explains |
| Integrated option | Whether the missing meaning can fit naturally in the main account |
| Separate-description option | Where it could be communicated without obscuring essential audio |
| Structural consequence | Interview preparation, script change, additional pause or differently paced version |
| Delivery consequence | Files, player support and publication route needing confirmation |
| Review decision | Preferred route, unresolved issue and responsible specialist |
The matrix tests feasibility; it does not replace description writing or specialist evaluation. If several rows depend on an untested assumption about speaking time or player behaviour, resolve that assumption before choosing the production package.
A hypothetical comparison within one project
Imagine a contractor's film needs to explain how two work areas relate to a shared loading space. The planned interview already discusses the operating requirement, and the relevant contributor can explain the spatial relationship clearly. The team explores including that meaning in the main account and checks whether an integrated approach covers the essential information.
The same proposed film also contains an archival sequence with continuous, important speech while several visual labels establish dates and project stages. There may be little room for additional description without changing its pacing. The producer and accessibility specialist assess whether the information can be restructured into the main film or whether a separately paced described treatment is more appropriate.
The buyer does not decide that all interview films need one approach and all archival films need another. It assesses the actual material and intended experience. This example is invented and does not establish an accessibility result for a real production.
Compare the complete delivery workload
Ask each proposed route to identify preparation, recording, editing, review and publishing work. If there are separate versions, clarify which associated captions or text alternatives need to match each one and who will maintain the connection after a factual change.
If the integrated approach changes the main script, make sure the people approving the factual account understand why. If a separate version is selected, ensure its location and labelling will be clear to users. Neither approach helps if its required meaning or access route is lost during delivery.
Do not choose solely on the number of files. One file can still require substantial preparation, while a separate version may preserve an important narrative structure. Compare the assessed work and the audience experience together.
Request a defined approach
Use the existing accessibility requirements worksheet for the wider requirements. Then contact Live Images with the project, audience, destination and description approach you want assessed.
State which accessibility specialists are involved and which decisions remain open. Do not assume that specialist description writing, separate versions or evaluation are included in an ordinary project-film scope. The useful outcome is an agreed route with clear responsibilities before the creative structure becomes difficult to change.
Prepared with AI assistance for Live Images. Planning guidance is general; suitability and production scope must be agreed for your project.