Combine Audio & Video

You need video editing software to combine audio and video.

Combining audio and video requires the process called video editing. Using a video editing software, you can combine and edit separate audio and video components and create a final video from them. Sources of these elements may include footage from a video camera, sound recording from an audio capturing device, podcasts and various types of movie, animation, music and audio files. Others also create sound elements using sound production programs and video elements using photo/imaging, graphics and animation programs.


1. Collect all the audio and video elements you need to combine together. All of them must be located in your computer’s internal hard drive or any external storage device connected to your computer. All the elements must be digitized so that they can be read and utilized by the editing software. Check each element’s audio or video file format. If there is any file with an original format not compatible with your chosen editing software, convert the file into any recognizable format using an applicable file conversion software. There are many programs available online and most of them can convert files to multiple formats.

2. Import all the audio and video elements in your chosen video editing software and arrange them into separate audio and video folders to make the editing process better organized.

3. Follow your plan on how the elements should be combined in the edit. Determine the order on which each video element should appear on the editing timeline and drag each one accordingly from the import folder. The editing timeline consists of the video tracks on top of the audio tracks. Align the video and audio elements you want to be combined together.

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Continue the process of editing the video and audio elements until you produce a final edit. Lay in any suitable music and add applicable video and transition effects to enhance the video. For basic editing, you must learn use editing tools for cutting, extending and connecting video and audio clips. The drag-and-drop functionality is also commonly used in the editing process.

4. Render the final cut of the video edit once you are satisfied with how it looks and sounds. Rendering is the process of calculating the effects and generating the final digital image and sound in a video edit. Depending on the video editing software used, find the “Render” function from any of the menu options such as “File,” “Edit” and “Video,” among other menus on top of the editing interface. To render the entire editing cut, highlight all the audio and video elements.

For long edits, choose the option where you can shorten or tighten the view of your editing timeline (similar to a zoom in/zoom out function in document and image files) so you can highlight all elements more conveniently. Most editing programs use the shortcut “Control-R” for PC or “Apple-R” for Mac to render files.

5. Export the rendered video to release a final copy of the movie file with the combined audio and video elements intended for it. Click the “File” menu in your editing program and select “Export.” Type in your preferred file name and movie file format for the final video. Popular movie file formats include MOV, MP4, AVI and WMV. Select your output file destination. Many editing programs also allow additional options to configure the quality and settings of the audio and video components of the output file.

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Wait for the exporting process to finish. Exporting time depends on the file’s size and settings. When using a regular computer with decent technical capabilities, a basic edit with minor visual effects usually requires real-time exporting. This means that a typical five-minute video may finish exporting within five to 10 minutes. More powerful computers with large memory and high-end processors may export the video at much faster rates.