<p>Netflix auto-plays a 20s, 30s video preview in the background if a video is selected or we hover the mouse pointer on them. I was trying to play with them, but couldn't understand how this preview "video production" is done.</p>

<p>Is there any information or insights how these previews are generated? Are they a random portion of the video, or what?</p>

<p>Alternatively, if you have a good suggestion of how to select a portion of video, please share.</p>

<p><a href="https://i.sstatic.net/Ow9EK.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/Ow9EK.jpg" alt="enter image description here"></a></p>

CC BY-SA 4.0
2019-07-11T15:12:25.600Z
I'm not sure, but most likely it is the trailer or a specificaly for Netflix edited Teaser
Timothy Lukas H.
CC BY-SA 4.0
2019-07-11T15:27:38.447Z
I noticed sometimes they play the trailer, but sometimes just a portion of the movie.
angel_30
<video><video-editor><editing><preview><thumbnails>
Netflix preview video production
angel_30
# Netflix preview video production

(Asked by: username_0 on 2019-07-10)

Netflix auto-plays a 20s, 30s video preview in the background if a video is selected or we hover the mouse pointer on them. I was trying to play with them, but couldn't understand how this preview "video production" is done.

Is there any information or insights how these previews are generated? Are they a random portion of the video, or what?

Alternatively, if you have a good suggestion of how to select a portion of video, please share.

[![enter image description here](https://i.sstatic.net/Ow9EK.jpg)](https://i.sstatic.net/Ow9EK.jpg)

**Tags:** video, video-editor, editing, preview, thumbnails

> **Comments:**
> **username_1**: I'm not sure, but most likely it is the trailer or a specificaly for Netflix edited Teaser  
> **username_0**: I noticed sometimes they play the trailer, but sometimes just a portion of the movie.  

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## 0 answers

