Screen dump: 
A number of meter types in an Ardour session

Meters.lv2 is a collection of audio-level meters in the LV2 plugin format. It covers an extensive range of meters which are useful for broadcast audio, as well as general audio production work. This includes, but is not limited to, DIN, Nordic, BBC, EBU and VU needle meters, 30 band spectrum analyzer, true peak meters, phase correlation meters, a goniometer and a EBU R128 meter with histogram and history. A full list of meter types can be found on the projects Github page.