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How to retain sound when rendering.

Posted: Sat, 29th Dec 2007, 9:06pm

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Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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The entire range of Lab products are designed and optimized for working with visual effects, not audio. This allows the small crew at FXhome to focus their energies into what they do best, creating easy to use software for adding visual effects to your movies, while still keeping prices reasonable. In a typical production flow, the visuals are taken care of before the audio is done anyway, thus enabling the audio to be lined up precisely with whatever visuals the director had in mind. Since film is a visual medium, this is a logical sequence to follow; visuals take priority, and while audio is still very important, it is there to support the visuals.

However, there are some who would still prefer to render their projects with the original sound, and this capability is included in the entire range of Lab products. Here are the steps you must follow to retain your audio while rendering.

    1. Make sure that nothing is trimmed off of either end of the clip whose audio you want. The length of the clip on the timeline must be exactly the same as the length of the clip in the Media Inspector.

    2. On the timeline, Right-click the name of the clip and select Set as audio source from the bottom of the menu.

    3. Click on the same layer to select it, and hit P on your keyboard. This will set the in and out points of your project to the same length as your clip, if they aren't there already.

    4. Make sure you know what format the clip was in when you imported it into your Lab product, and go to Render > Render settings... and set your render settings to the same format.

Now when you render (Render > Render), the original audio from that layer will be retained.

If you have a multi-track video editor, it is often easier, faster, and better to simply render without audio from your Lab product, import the rendered clip into your video editor, and place it directly above the original clip on the timeline. This will line it up with the original audio. The render will be faster, since the audio doesn't have to be processed, you can set your in and out points to anywhere you want on the timeline in your Lab product, and you aren't running your audio through unnecessary generations of rendering, which prevents quality degradation.
Posted: Thu, 12th Jun 2008, 11:17am

Post 2 of 2

May the Force be with you

Force: 1412 | Joined: 29th Dec 2007 | Posts: 34

VisionLab User

Gold Member

Thank you for the advice. I am sure I can put it to use.