# Ardour Glossary

## A

ALSA

  Acronym of the Advanced Linux Sound Architecture. ALSA provides audio and MIDI functionality to the Linux operating system.

Audio Track

  Some reasonable definition here.

Auditioner

  Some reasonable definition here.

## B

Bus

  Some reasonable definition here.

Bus Track

  Some reasonable definition here.

## C

Crossfade

  Some reasonable definition here.

## D

DAW

  Abbreviation of Digital Audio Workstation. Some reasonable definition here.

Destructive Recording

  Some reasonable definition here.

DSP

  Acronym of Digital Signal Processing, a very general term for processing of any digital signal by digital means. In &ARDOUR_NAME;'s context, it generally refers to the processing peformed on audio signals by &ARDOUR_NAME; and by plugins. It is often talked of in terms of DSP `load', referring to the amount of CPU power that Ardour is using for its signal processing. This load increases with the number of tracks and plugins that a session uses. A computer will have an upper limit to the amount of DSP it can perform, depending on its CPU and RAM speed and many other factors.

## E

Embed

  Some reasonable definition here.

## H

HDR

  Acronym of Hard Disk Recorder. A general term for devices which record audio onto hard disk; a HDR usually means some kind of standalone recording unit such as the Alesis HD-24 and similar.

## I

Insert

  Some reasonable definition here.

## J

JACK

  Acronym of the Jack Audio Connection Kit. Some reasonable definition here.

## L

LADSPA

  Acronym of Linux Audio Developers Simple Plugin API. One standard for writing plugins which &ARDOUR_NAME; can use. Many LADSPA plugins are available; some free and open-source and others closed-source. See, for example:

## M

MIDI

  Acronym of Musical Instrument Digital Interface. A standard for communicating note and other information between keyboards, computers, sound modules and many other devices.

## P

Playlist

  A list of regions; each track has one or more Playlists, one of which is active; this specifies the regions that will be played back by the track.

plugin

  A piece of software that can be used inside Ardour to process audio or MIDI data. Common examples are equalisers, compressors or reverb processors using the LADSPA, LV2 or VST standards.

POSIX

  POSIX stands for Portable Operating System Interface for uniX. Some reasonable definition here.

## R

Region

  Some reasonable definition here.

Redirect

  Some reasonable definition here.

## S

Send

  Some reasonable definition here.

Session

  Some reasonable definition here.

Session Template

  Some reasonable definition here.

Submixing

  Some reasonable definition here.

## T

Tape Track

  Some Reasonable definition here.

Track

  Some reasonable definition here.

## V

VST

  Short for Virtual Studio Technology