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Blender Video Editing Software

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16 November 2015

Blender is a freeware. https://diwcom.over-blog.com/2021/01/apple-keynote-7-0-download-free.html. You can use the software for commercial or educational purposes, and distribute it free of charge. However, its software provider Blender Foundation, a non-profit corporation, offers enterprise pricing services and subscriptions for artists and small teams who want to access its open production platform such as Blender Cloud. Home of the Blender project - Free and Open 3D Creation Software.

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Updated 2015-11-16 for WebM

Although it is mostly known for animation, Blender includes a non-linear video editing system that is available in all the current stable versions of Debian, Ubuntu and Fedora.

Here are some screenshots showing how to start editing a video of a talk from a conference.

In this case, there are two input files:

  • A video file from a DSLR camera, including an audio stream from a microphone on the camera
  • A separate audio file with sound captured by a lapel microphone attached to the speaker's smartphone. This is a much better quality sound and we would like this to replace the sound included in the video file.

Open Blender and check the properties

Launch Blender. Review the maximum memory size property. Set it to a value slightly less than the amount of physical RAM in the workstation. Setting it too low may slow down some operations in Blender. Setting it too high may take memory from other applications and lead to swapping.

Choose the video editing mode

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Choose the video sequence editor from the pull down menu at the top of the window:

Now you should see all the video sequence editor controls:

Setup the properties for your project

Click the context menu under the strip editor panel and change the panel to a Properties panel:

The video file we are playing with is 720p, so it seems reasonable to use 720p for the output too. Change that here:

The input file is 25fps so we need to use exactly the same frame rate for the output, otherwise you will either observe the video going at the wrong speed or there will be a conversion that is CPU intensive and degrades the quality. Also check that the resolution_percentage setting under the picture dimensions is 100%:

Now specify output to PNG files. Later we will combine them into a WebM file with a script. Specify the directory where the files will be placed and use the # placeholder to specify the number of digits to use to embed the frame number in the filename:

Now your basic rendering properties are set. When you want to generate the output file, come back to this panel and use the Animation button at the top.

Editing the video

Use the context menu to change the properties panel back to the strip view panel:

Add the video file:

and then right click the video strip (the lower strip) to highlight it and then add a transform strip:

Audio waveform

Right click the audio strip to highlight it and then go to the properties on the right hand side and click to show the waveform:

Rendering length

By default, Blender assumes you want to render 250 frames of output. Looking in the properties to the right of the audio or video strip you can see the actual number of frames. Put that value in the box at the bottom of the window where it says 250:

Enable AV-sync

Also at the bottom of the window is a control to enable AV-sync. If your audio and video are not in sync when you preview, you need to set this AV-sync option and also make sure you set the frame rate correctly in the properties: Kite compositor 1 9.

Add the other sound strip

Now add the other sound file that was recorded using the lapel microphone:

Enable the waveform display for that sound strip too, this will allow you to align the sound strips precisely:

You will need to listen to the strips to make an estimate of the time difference. Use this estimate to set the 'start frame' in the properties for your audio strip, it will be a negative value if the audio strip starts before the video. You can then zoom the strip panel to show about 3 to 5 seconds of sound and try to align the peaks. An easy way to do this is to look for applause at the end of the audio strips, the applause generates a large peak that is easily visible.

Once you have synced the audio, you can play the track and you should not be able to hear any echo. You can then silence the audio track from the camera by right clicking it, look in the properties to the right and change volume to 0.

Make any transforms you require

For example, to zoom in on the speaker, right click the transform strip (3rd from the bottom) and then in the panel on the right, click to enable 'Uniform Scale' and then set the scale factor as required:

Render the video output to PNG

Click the context menu under the Curves panel and choose Properties again.

Click the Animation How to wipe macbook pro hard drive clean. button to generate a sequence of PNG files for each frame.

Render the audio output

On the Properties panel, click the Audio button near the top. Choose a filename for the generated audio file.

Look on the bottom left-hand side of the window for the audio file settings, change it to the ogg container and Vorbis codec:

Ensure the filename has a .ogg extension

Now look at the top right-hand corner of the window for the Mixdown button. Click it and wait for Blender to generate the audio file.

Combine the PNG files and audio file into a WebM video file

You will need to have a few command line tools installed for manipulating the files from scripts. Install them using the package manager, for example, on a Debian or Ubuntu system:

# apt-get install mjpegtools vpx-tools mkvtoolnix

Now create a script like the following:

Next steps

There are plenty of more comprehensive tutorials, including some videos on Youtube, explaining how to do more advanced things like fading in and out or zooming and panning dynamically at different points in the video.

If the lighting is not good (faces too dark, for example), you can right click the video strip, go to the properties panel on the right hand side and click Modifiers, Add Strip Modifier and then select 'Color Balance'. Use the Lift, Gamma and Gain sliders to adjust the shadows, midtones and highlights respectively.

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When it comes to creating videos, it is all about creativity. This is the time to showcase your editing skills by coming up with a unique and flowing video. How do you do this effortlessly and on a budget?

You definitely cannot go wrong with a video editing blender. Only a few individuals understand what a blender in video editing is and how it works, and in this article, you will find everything you need to learn about it.

What is Blender for Editing Video?

This is a free-to-use 3D computer graphics and video editing software that is designed to offer users a seamless editing experience when editing videos for production. It is primarily intended for artists, students, scientists, and animators who wish to perfect their editing game without putting in much time and work. The software is rich in editing features to hell in animation film, visual effects, and video games' creation.

One of the top things to love about video editing blender is that it has an in-built path tracer for increased accuracy to ensure you do not miss any aspect when tweaking your video. It comes with a comprehensive collection of modeling tools to help you create and transform models without the need for expertise.

How to Use Blender for Video Editing

The good news about this video editing tool is that you do not need to be an expert to make the best out of it. However, you can always look for tutorials online, most of which are straightforward as the software itself. It will take you just a few minutes to learn every step, and you will be a pro within no time. Here is a step by step guide on how to use it:

Setup: Like any other software, the first step is to set it up on your computer. You will love how light the software is and how easy it is to download and install. Upon installation, open the software, which will then give you a detailed interface so you can get started.

Workspace: Before embarking on video editing, you should ensure that the software is on workspace mode. The tool's workspace does not open on default, and therefore, you should enable it by clicking the plus button at the top, which will then direct you on how to show the editing workspace.

Files importation: Now that you have the software up and running, it is time to import the media files that you wish to edit. Blender for editing video has been created with every user's needs in mind, and that is why it provides you with two options on how to import files depending on which one works best for you. You can use the explorer method which helps you navigate through the editing tool or add a menu which you can follow in each step when picking the specific files that you wish to add to the software for editing.

In this stage, you need to select the media files you want to use in editing and add them to the timeline. Blender for editing videos does not place any restrictions, so you can add a file of your choice.

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Clip adjustment and effects: This is where the real video editing begins. It is super easy, as all you got to do is follow what the software directs you to do. You should adjust your clips in terms of color, crop some parts, or transform them merely by clicking the clip and applying the suitable effects. One of the key points that make this tool lovable is that it allows you to add scenes, text, markers, layers, and color until you achieve the look you want in the video.

Pros and Cons of Blender for vVdeo Editing

This video editing software comes with perks and downsides. These are as follows:

Pros

  • It comes with a path tracer for enhanced accuracy
  • It is non-bulky, thus easy setup
  • It offers a fantastic editing speed
  • It allows you to tweak the video and add as many effects as you wish

Cons

  • The software does not provide control media exportation
  • It lacks the preview feature so you cannot preview clips

Blender for Editing Video Review

Here are a few reviews from previous users:

I stumbled upon this editing tool a few months back after endless frustrations from previous editing software, and I'm so glad I did. I love how easy it is to use and navigate and offers great features so I can adjust the videos as much as I want.

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My friend introduced me to this software sometime back, and I'm so grateful to her. It has made my life as a vlogger super easy. I only wish it had a preview option.

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