jack_delay command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

jack_delay: command not found

or when using sudo you get the following error message

sudo: jack_delay: command not found

Solutions to jack_delay: command not found

How To Fix jack_delay: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu jack_delay is provided by jack-delay package.

jack-delay is:

jack_delay can be used to measure the round-trip latency of a soundcard. To do this, start the program and connect like this:

jack_delay -> playback_port -> cable from soundcard output to input -> -> capture port -> jack_delay

jack_delay generates a signal consisting of 13 sine waves, measures the phase difference between the input and output for each of these, and computes the delay from those phase differences. The algorithm used is one developed originally for satellite ranging - that is measuring the distance between a satellite and a ground station.

To fix this problem, we can install more using the command below.

sudo apt-get -y install jack-delay

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install jack-delay.

sudo apt -y install jack-delay

Or if you have aptitude installed you can use the following command.

sudo aptitude install jack-delay

Summary

In this tutorial we learn how to fix jack_delay command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.