## Lecture Video
### New Features
* By default, Lecture Video assistants use Gemini to generate lecture
knowledge checks instead of requiring assistant creators to provide a
complete manifest.
* For videos longer than 5 minutes, PingPong will create overlapping
video chunks before generating questions and descriptions for every
chunk. A finalizing pass brings all model responses together to create
the finalized manifest.
* PingPong will gracefully create audio tracks below the maximum
supported file size for Whisper models by iteratively reducing the
bitrate/sample rate.
* Use the "Overwrite manifest" option under Advanced Options to continue
providing custom manifests.
* Use the "Regenerate" button under Advanced Options to request that
audio narration or manifests are regenerated for a Lecture Video.
* Edit the knowledge checks generation prompt under Advanced Options.
* Edit the chat responses prompt under Advanced Options.