Answers.Body: <p>I did not manage to solve the source problem, but I found how to overcome the consequences.</p>
  
  <p>It is indeed possible to edit the aspect ratio of the rendered video using ffmpeg:</p>
  
  <pre><code>ffmpeg -i &lt;INPUT_FILE&gt; -aspect 4:3 -c copy &lt;OUTPUT_FILE&gt;
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-07-17T07:44:59.723Z
Answers.Text: I re-wrap containers all the time so my fussy Vegas install will play nice with them. This command moves really fast, right? So that makes it a good solution.
Answers.UserDisplayName: user3643
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-07-12T16:03:34.433Z
Answers.LastActivityDate: 2019-07-12T16:03:34.433Z
Answers.UserDisplayName: Blacksad
Body: <p>I am digitalizing Super 8 film with a <a href="https://www.somikon.fr/produit/scanner-de-pellicule-pour-films-8-mm-et-super-8-2/" rel="nofollow noreferrer">dedicated Somikon scanner</a>.</p>
  
  <p>It outputs H264 - MPEG-4 AVC films in 4/3 (1440x1080).
  When I open these films directly with VLC, there are displayed in 4/3, which is fine.</p>
  
  <p>Then I add them in Sony Vegas Pro 12 to edit/modify them, but Vegas Pro believes that they are 16/9 clips: although the <code>Project [Projet]</code> and <code>Visualization [Visualisation]</code> fields are in 4/3, the <code>Display [Affichage]</code> is in 16/9 (600x338) by default:<a href="https://i.sstatic.net/vFSvx.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/vFSvx.jpg" alt="Display in 16/9"></a></p>
  
  <p>I have to uncheck the <code>Simulate the peripheral image ratio [Simuler le format d'image du périphérique]</code> item to get back the original 4/3 aspect ratio:
  <a href="https://i.sstatic.net/GmaqW.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/GmaqW.jpg" alt="Display back in 4/3"></a></p>
  
  <p>When I render the project, Vegas generates a video in 4/3 with the right resolution (1440x1080), but the video player sofwares (VLC for example, see capture below) believe it should be displayed with a 16/9 aspect ratio.</p>
  
  <p><a href="https://i.sstatic.net/JM0ig.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/JM0ig.jpg" alt="Correct resolution"></a></p>
  
  <p><a href="https://i.sstatic.net/xBxUz.jpg" rel="nofollow noreferrer"><img src="https://i.sstatic.net/xBxUz.jpg" alt="But wrong default aspect ratio"></a></p>
  
  <p>In conclusion, the resolution is good all along, but the default aspect ratio is wrongly set to 16/9 by/in Vegas Pro.</p>
  
  <p>Is there a way to avoid that in the first place? </p>
  
  <p>Or is there a way to correct it afterwards (once the rendered file is created)?</p>
  
Tags: <video><video-editor><vegas-pro><aspect>
Title: Sony Vegas Pro 12 - 4/3 video wrongly considered as 16/9
UserDisplayName: Blacksad
ThreadText: # Sony Vegas Pro 12 - 4/3 video wrongly considered as 16/9
  
  (Asked by: username_0 on 2019-07-09)
  
  I am digitalizing Super 8 film with a [dedicated Somikon scanner](https://www.somikon.fr/produit/scanner-de-pellicule-pour-films-8-mm-et-super-8-2/).
  
  It outputs H264 - MPEG-4 AVC films in 4/3 (1440x1080).
  When I open these films directly with VLC, there are displayed in 4/3, which is fine.
  
  Then I add them in Sony Vegas Pro 12 to edit/modify them, but Vegas Pro believes that they are 16/9 clips: although the `Project [Projet]` and `Visualization [Visualisation]` fields are in 4/3, the `Display [Affichage]` is in 16/9 (600x338) by default:[![Display in 16/9](https://i.sstatic.net/vFSvx.jpg)](https://i.sstatic.net/vFSvx.jpg)
  
  I have to uncheck the `Simulate the peripheral image ratio [Simuler le format d'image du périphérique]` item to get back the original 4/3 aspect ratio:
  [![Display back in 4/3](https://i.sstatic.net/GmaqW.jpg)](https://i.sstatic.net/GmaqW.jpg)
  
  When I render the project, Vegas generates a video in 4/3 with the right resolution (1440x1080), but the video player sofwares (VLC for example, see capture below) believe it should be displayed with a 16/9 aspect ratio.
  
  [![Correct resolution](https://i.sstatic.net/JM0ig.jpg)](https://i.sstatic.net/JM0ig.jpg)
  
  [![But wrong default aspect ratio](https://i.sstatic.net/xBxUz.jpg)](https://i.sstatic.net/xBxUz.jpg)
  
  In conclusion, the resolution is good all along, but the default aspect ratio is wrongly set to 16/9 by/in Vegas Pro.
  
  Is there a way to avoid that in the first place?
  
  Or is there a way to correct it afterwards (once the rendered file is created)?
  
  **Tags:** video, video-editor, vegas-pro, aspect
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_0 on 2019-07-12. Score: 2 | Accepted answer
  
  I did not manage to solve the source problem, but I found how to overcome the consequences.
  
  It is indeed possible to edit the aspect ratio of the rendered video using ffmpeg:
  
  ```
  ffmpeg -i <INPUT_FILE> -aspect 4:3 -c copy <OUTPUT_FILE>
  
  ```
  
  > **Comments:**
  > **username_1**: I re-wrap containers all the time so my fussy Vegas install will play nice with them. This command moves really fast, right? So that makes it a good solution.  
  
  ---
  
  