This could be hissing or background noise like the sound of the wind or a loud air conditioning unit, or even someone inadvertently breathing into a microphone. This is especially true with voice recordings and audio that was converted to a digital format from a cassette tape or a vinyl record. When you're dealing with audio files, you'll run into a few problems every so soften. Running Kubernetes on your Raspberry Pi.A practical guide to home automation using open source tools.6 open source tools for staying organized.An introduction to programming with Bash.A guide to building a video game with Python.