simultaneously transcode audio and generate visuals
Input: any format audio or video file
Output: any or all of these:
This is a Node.js module that wraps the waveform command line interface. The C code is bundled from that repository, so if you want to file an issue with or fork the C code, go to the waveform repository.
At least one of the options
png is required as
var waveform = ;;
Install libgroove dev package. Only the main library is needed. Packages are available for common package managers.
Install libpng and zlib dev packages.
npm install waveform