docs(video): describe optional audio fusion

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Xiangzhe
2026-08-18 01:46:07 -03:00
parent 350b161620
commit bcd58975c5

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@@ -340,6 +340,13 @@ are rendered as untrusted observations alongside the frame captions. Invalid,
out-of-range, or provenance-free text is rejected rather than mixed into the
caption stream.
An advanced caller may provide an already-authorized `audioTranscript` track
for the same video. The fusion seam runs visual and audio observations under
one deadline and abort signal, orders them on a common timeline, collapses
exact duplicates, and reports a partial result when only one side succeeds.
The default Video Bridge path does not invoke speech-to-text or download a
second media copy; without that explicit track, it remains video-only.
Frames are captioned sequentially with the configured Video model. An empty
Video override inherits the Vision setting; if both are empty, the Vision
auto-router selects the effective vision-capable model. Successful captions