To create a loopback interface simply run: If you want to capture audio straight fom the output (not just mic or line-in), you must create an ALSA loopback interface, then output the audio simultaneously to both the loopback and your normal interface.

Not sure how to get the pulseaudio dev files for other distros than debian/ubuntu or if they are bundled in pulseaudio.įor better a better visual experience ncurses is also recomended.Īll the requirements can be installed easily in all major distros:ĭebian Buster or higher/Ubuntu 18.04 or higher:ĪLSA can be difficult because there is no native way to grab audio from an output.

To more easly grab audio from your system pulseaudio, alsa, sndio or portaudio dev files are recommended (depending on what audio system you are using). Only FFTW and the other build tools are actually required for CAVA to compile, but this will only give you the ability to read from fifo files. ncursesw dev files (bundled in ncurses in arch).autoconf-archive (needed for setting up OpenGL).Installing From Source Installing Build Requirements It's written to look responsive and aesthetic when used to visualize music. This program is not intended for scientific use. Cava is a bar spectrum audio visualizer for terminal (ncurses) or desktop (SDL).

Audio visualizer for spotify mac