libvamp-sdk2v5 2.9.0-1 (amd64 binary) in ubuntu focal

 Vamp is an audio processing plugin system for plugins that extract
 descriptive information from audio data - typically referred to as
 audio analysis plugins or audio feature extraction plugins.
 .
 If you want to develop Vamp plugins in C++, you should use this
 library to expose the official C API to hosts.