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Update export format docs on Neon Player world video exporter #711

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Update export format docs on Neon Player world video exporter #711

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5 changes: 3 additions & 2 deletions neon/neon-player/world-video-exporter/index.md
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Expand Up @@ -8,5 +8,6 @@ The export saves the world video as shown in Neon Player, including all currentl
![Export](./np-export.webp)

## Export Format
The World Video Exporter saves the world video file, together with [numpy](https://numpy.org/devdocs/reference/generated/numpy.lib.format.html) and csv files containing timestamps corresponding to each frame.
The csv timestamp files include an additional `pts` column. `pts` is an abbreviation for _presentation timestamps_ and refers to the media file's internal time representation. It can be used to seek or identify specific frames within the media file. See this [tutorial on how to extract individual frame images from the world video](https://github.com/pupil-labs/pupil-tutorials/blob/master/09_frame_identification.ipynb).
| Field | Description |
| -------- | -------- |
| **timestamp [ns]** | UTC timestamp in nanoseconds of the corresponding world frame. |
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