PLVS, read as plus. Free and open-source.

Real-time audio metering for listening closely.

A desktop companion that keeps your audio's level, shape, and movement in view.

PLVS workspace with live metering panels.

Stays visible

Keep metering in view while your main workspace stays focused.

Reads clearly

Level, shape, motion, and balance remain easy to scan.

Fits the session

Arrange the workspace around the signal you need to watch.

Watch the live signal

Level, spectrum, and spatial detail moving in real time.

  • Rich session metrics for loudness, dynamics, true peak, and correlation
  • Stereo and multichannel metering with channel-aware labels
  • System output monitoring without virtual audio routing
Live PLVS meters showing level, spectrum, spectrogram, and vectorscope.

Look back without losing context

Visual history for inspecting moments and returning to live metering.

  • Up to two hours of visual history for long listening sessions
  • Click a moment to inspect the full meter state at that point
  • Return to live metering without losing the session view
PLVS visual history view with a selected moment.
PLVS spectrum history view with an inspected frequency point.

Shape the view around the workspace

Flexible layouts, compact controls, and focus-ready views.

  • Rearrange and resize panels into a workspace that matches the session
  • Save presets for different listening or review setups
  • Keep PLVS visible with compact panels, transparency, pinning, and focus view
Custom PLVS workspace layout with compact metering panels.

File inspection, when needed

Open a local audio file and inspect it with the same meter workspace.

Download PLVS