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jack [2015/05/26 01:58] slackermedia |
jack [2021/06/03 19:48] |
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| - | ====== JACK ====== | ||
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| - | <WRAP info> | ||
| - | **TL;DR** \\ | ||
| - | You should install Jack2 if you intend to use audio or video creation applications on Linux. | ||
| - | </WRAP> | ||
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| - | If you have any experience with traditional professional audio hardware (synthesizers, effects, mixers) or even professional networking gear (routers, switches, vlans), then you are accustomed to the notion that signals must be routed from one place, through a filter of some sort, to a target, and then perhaps through another filter, and then a final destination. | ||
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| - | [{{ jack_irlpatchbay.jpg?700 |Patchbay by Pinnacle_College on [[https://www.flickr.com/photos/pinnaclecollege/14544012364|Flickr]].}}] | ||
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| - | JACK is an application that, once started, runs in the background and enables the user to freely route audio from any application to any other application. It is a system-wide implementation of what other audio applications can only do internally, and is one of the true "killer" features of Linux audio. | ||
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| - | Whether or not you use JACK on a daily basis or just once a year depends on what you do with your computer. There are three varieties of audio applications on Linux: | ||
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| - | *Those that are not designed to use JACK (ie, it has not been programmed to use be "JACK-aware", but being open source, there are hacks around that). These are usually the "normal" consumer apps, such as web browsers, media players, games, and so on). | ||
| - | *Those in which JACK is optional. This can include consumer apps as well as pro audio applications that are designed to be self-contained. | ||
| - | *Those that require JACK in order to run. These include many professional-level audio and video applications (although not all). | ||
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| - | Given that JACK isn't just a service that you can install and activate and forget about, but an interactive sound server, it may be overkill. If you don't use pro audio applications, it's likely that you will never use JACK. | ||
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| - | If you think you will use JACK because you do pro audio, read this section to learn about JACK, how to use it effectively and efficiently, and how to integrate it with your system. If not, you can skip this section; just install ''Jack2'' from [[http://slackbuilds.org]] just in the event that it's a soft requirement for other applications that you may use. | ||
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| - | ===== JACK Versions ===== | ||
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| - | There are two concurrently supported versions of JACK: ''Jack'' version 1 (numbered as Jack 0.x) and Jack version 2 (numbered as 1.x, and marked as ''Jack2'' on SlackBuilds.org). They are interchangeable and both basically do the same thing, but Jack2 includes significant additional features such as true multi-processor support, hot-pluggable application interaction, and network support (useful for integrating your Linux system with a hardware mixer, for example). | ||
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| - | For most users, ''Jack2'' is the best option. | ||
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| - | However, [[http://slackbuilds.org]] lists ''jack-audio-connection-kit'' as a dependency for many of packages that actually only require //either// version of JACK. | ||
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| - | [[{arrown.png|border:0;background:none;width:0;display:inline-block;float:right;}sound|]][[{arrowp.png|border:0;background:none;width:0;float:right;}dep|]] | ||