jack_metro(1)

jack_metro1

Jack toolkit metronome

Usage

jack_metro [-n name] [-f hz] [-D msecs] [-a %] [-d %] -b bpm

Overview

jack_metro is a simple metronome for JACK. It generates a synthetic "tick" sound for every beat. Note that is does not connect its output port by default - to hear the sound it makes you must connect them using some other tool.

Options

-n, --name

Specify a name for this instance of the metronome.

-f, --frequency Hz

Define the frequency of the "tick" in Hz.

-D, --duration msecs

Define the duration of the "tick" in milliseconds.

-a, --attack %-age

Define the duration of the attack phase of the "tick" as a percentage of the duration.

-d, --decay %-age

Define the duration of the decay phase of the "tick" as a percentage of the duration.

--b, --bpm bpm

Define the number of beats per minute.

Releases

12 releases since Debian 3.1 (Sarge); the text changed 8 times.

  1. 3.1–5.0
  2. 6.0
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11
  8. 12
  9. 13–Arch

--attack since Debian 6.0 (Squeeze); --b since Debian 6.0 (Squeeze); --bpm since Debian 6.0 (Squeeze); --decay since Debian 6.0 (Squeeze); --duration since Debian 6.0 (Squeeze); --frequency since Debian 6.0 (Squeeze); --name since Debian 6.0 (Squeeze); -D since Debian 6.0 (Squeeze); -a since Debian 6.0 (Squeeze); -d since Debian 6.0 (Squeeze); -f since Debian 6.0 (Squeeze); -n since Debian 6.0 (Squeeze).

Author

Anthony Van Groningen

From jack-example-tools 4-2 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.