---
name: "x42-meter"
section: "1"
platform: "linux"
package: "x42-plugins-standalone"
version: "20260908-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/x42-meter"
---

# x42-meter(1)

JACK Audio Meter Collection

## NAME

x42-meter - JACK Audio Meter Collection

## SYNOPSIS

**x42-meter** \[ *OPTIONS* \] \[ *Plugin-ID or URI* \]

## DESCRIPTION

x42-meter - JACK Meter Collection

This is a standalone JACK application of a collection of LV2 plugins. Use ID **-1**, **-l** or **--list** for a dedicated list of included plugins. By default the first listed plugin (ID 0) is used.

List of available plugins: (ID "Name" URI)

- 0

  "EBU R128 Meter" http://gareus.org/oss/lv2/meters#EBUr128

- 1

  "K20/RMS Meter (Stereo)" http://gareus.org/oss/lv2/meters#K20stereo

- 2

  "K14/RMS Meter (Stereo)" http://gareus.org/oss/lv2/meters#K14stereo

- 3

  "K12/RMS Meter (Stereo)" http://gareus.org/oss/lv2/meters#K12stereo

- 4

  "BBC Meter (Stereo)" http://gareus.org/oss/lv2/meters#BBCstereo

- 5

  "BBC M-6" http://gareus.org/oss/lv2/meters#BBCM6

- 6

  "DIN Meter (Stereo)" http://gareus.org/oss/lv2/meters#DINstereo

- 7

  "EBU Meter (Stereo)" http://gareus.org/oss/lv2/meters#EBUstereo

- 8

  "Nordic Meter (Stereo)" http://gareus.org/oss/lv2/meters#NORstereo

- 9

  "VU Meter (Stereo)" http://gareus.org/oss/lv2/meters#VUstereo

- 10

  "True-Peak and RMS Meter (Stereo)" http://gareus.org/oss/lv2/meters#TPnRMSstereo

- 11

  "DR-14 - Crest Factor Loudness Range Meter" http://gareus.org/oss/lv2/meters#dr14stereo

- 12

  "Stereo Phase-Correlation Meter" http://gareus.org/oss/lv2/meters#COR

- 13

  "Goniometer" http://gareus.org/oss/lv2/meters#goniometer

- 14

  "Phase/Frequency Wheel" http://gareus.org/oss/lv2/meters#phasewheel

- 15

  "1/3 Octave Spectrum Analyzer" http://gareus.org/oss/lv2/meters#spectr30mono

- 16

  "Stereo/Frequency Scope" http://gareus.org/oss/lv2/meters#stereoscope

- 17

  "Signal Distribution Histogram" http://gareus.org/oss/lv2/meters#SigDistHist

- 18

  "Bit Meter" http://gareus.org/oss/lv2/meters#bitmeter

- 19

  "Surround Level 8" http://gareus.org/oss/lv2/meters#surround8

Usage: All control elements are operated in using the mouse:

- Click+Drag

  left/down: decrease, right/up: increase value. Hold the Ctrl key to increase sensitivity.

- Shift+Click

  reset to default value

- Scroll-wheel

  up/down by 1 step (smallest possible adjustment for given setting). Rapid continuous scrolling increases the step-size.

The application can be closed by sending a SIGTERM (CTRL+C) on the command-line of by closing the window.

## OPTIONS

- **-h**, **--help**

  Display this help and exit

- **-j**, **--jack-name** \<name\>

  Set the JACK client name (defaults to plugin-name)

- **-G**, **--nogui**

  run headless, useful for OSC remote ctrl.

- **-l**, **--list**

  Print list of available plugins and exit

- **-O** \<port\>, **--osc** \<port\>

  Listen for OSC messages on the given UDP port

- **-p** \<idx\>:\<val\>, **--port** \<idx\>:\<val\>

  Set initial value for given control port

- **-P**, **--portlist**

  Print control port list on startup

- **--osc-doc**

  Print available OSC commands and exit

- **-V**, **--version**

  Print version information and exit

See also: \<http://gareus.org/oss/lv2/meters\> Website: \<http://x42-plugins.com/\>

## COPYRIGHT

Copyright © GPL 2013-2019 Robin Gareus \<robin@gareus.org\>\
 This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.