Remove Audio From Video
Sometimes I want to display live motion without the audio, since the audio is either bad quality or it's just extra load, which is especially important on mobile. You could probably argue converting the video to GIF is more appropriate, but GIFs can be larger and more taxing on the device. You also cannot pause or control animated GIFs.
The better solution may be to remove the audio from a video:
./ffmpeg -i MusicVideo.webm -vcodec copy -an MusicVideoNoAudio.webm
The -an option removes the the audio from the input file, producing a video without any audio. The sample file below went from 5.4MB to 4.1MB and now you don't hear the annoying wind in the background.
![Page Visibility API]()
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
![Animated 3D Flipping Menu with CSS]()
CSS animations aren't just for basic fades or sliding elements anymore -- CSS animations are capable of much more. I've showed you how you can create an exploding logo (applied with JavaScript, but all animation is CSS), an animated Photo Stack, a sweet...
![HTML5’s placeholder Attribute]()
HTML5 has introduced many features to the browser; some HTML-based, some in the form of JavaScript APIs, but all of them useful. One of my favorites if the introduction of the placeholder attribute to INPUT elements. The placeholder attribute shows text in a field until the...
![Create Classy Inputs Using MooTools’ OverText]()
The MooTools More library is a goldmine. A treasure chest. Pirates booty, if you will (and, of course, I will). More is full of plugins that add a lot of class and functionality to your website with minimal effort.
If you wanted to you can extract the audio from the video. If you needed the audio for something else.
Thanks for the tutorial!