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.
![Vibration API]()
Many of the new APIs provided to us by browser vendors are more targeted toward the mobile user than the desktop user. One of those simple APIs the Vibration API. The Vibration API allows developers to direct the device, using JavaScript, to vibrate in...
![Write Simple, Elegant and Maintainable Media Queries with Sass]()
I spent a few months experimenting with different approaches for writing simple, elegant and maintainable media queries with Sass. Each solution had something that I really liked, but I couldn't find one that covered everything I needed to do, so I ventured into creating my...
![Create a CSS Cube]()
CSS cubes really showcase what CSS has become over the years, evolving from simple color and dimension directives to a language capable of creating deep, creative visuals. Add animation and you've got something really neat. Unfortunately each CSS cube tutorial I've read is a bit...
![Create a Brilliant Sprited, CSS-Powered Firefox Animation]()
Mozilla recently formally announced Firefox OS and its partners at Mobile World Congress and I couldn't be more excited. Firefox OS is going to change the lives of people in developing countries, hopefully making a name for itself in the US as well. The...
If you wanted to you can extract the audio from the video. If you needed the audio for something else.
Thanks for the tutorial!