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{{Short description|Free music sequencing software created in 1995 for the DOS platform}}
<!-- Please do not remove or change this AfD message until the issue is settled -->
{{Infobox software
{{AfDM|page=Impulse Tracker|logdate=2009 December 19|substed=yes}}
| name = Impulse Tracker
<!-- For administrator use only: {{oldafdfull|page=Impulse Tracker|date=19 December 2009|result='''keep'''}} -->
| screenshot = Impulse Tracker screenshot.png
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| caption = Impulse Tracker 2.14 screenshot
{{Infobox Software |
| developer = Jeffrey Lim
name = Impulse Tracker |
| released = {{start date and age|1995|||df=yes}}
screenshot = |
| latest_release_version = 2.14 Patch #5
caption = |
| latest_release_date = {{start date and age|1999|04|08|df=yes}}
developer = Jeffrey Lim |
| operating_system = ]
released = |
| programming language = ]
latest_release_version = 2.14|
| genre = ]
latest_release_date = April 8, 1999|
| license = Originally ]<br />Since 2014: ]
operating_system = ] |
| website = {{URL|https://web.archive.org/web/20230717162958/http://www.users.on.net/~jtlim/ImpulseTracker/}}
programming language = ] |
genre = ] |
license = |
website = http://www.users.on.net/~jtlim/ImpulseTracker/ |
}} }}
{{Refimprove|date=November 2008}}


'''''Impulse Tracker''''' is a multi-track ] (]). It was one of the last tracker programs for the ] platform. It was authored by ], and example music was provided by Jeffrey Lim and Chris Jarvis. The last version, v2.14 Patch #5, was released April 8, 1999. '''Impulse Tracker''' is a multi-track ] (]). Originally released in 1995 by Jeffrey Lim as ] with commercial extensions, it was one of the last tracker programs for the ] platform.<ref name="bits">{{cite book
|url=https://books.google.com/books?id=g9B2DwAAQBAJ
|title=Bits and Pieces: A History of Chiptunes
|author=Kenneth B. McAlpine
|publisher=]
|year=2018
|isbn=978-0-19-049611-1
|page=152
}}</ref>


In 2014, on its 20th anniversary, Impulse Tracker became ] and the ] was released.
==History==
The software was distributed as ], though for a fee the author supplies extra features, such as support for ] output and ] networks. After the stereo WAV writer plugin was publicly pirated,{{Citation needed|date=April 2009}} the original author announced that he would discontinue development after version 2.14. ''Impulse Tracker'' was coded in ].{{Citation needed|date=April 2009}}


== History ==
''Impulse Tracker''<nowiki>'s</nowiki> interface was influenced by that of '']''.<ref>{{cite web|url=http://www.users.on.net/~jtlim/ImpulseTracker/features.html|title=Features of Impulse Tracker|author=Lim, Jeffrey|accessdate=2009-04-07}}</ref>
''Impulse Tracker'' was authored by Jeffrey "Pulse" Lim for the ]/]-] platform.<ref>{{cite web
|url=http://www.salon.com/technology/feature/1999/04/29/mod_trackers/index.html
|title=Mod love
|work=]
|last=Leonard
|first=Andrew
|date=1999-04-29
|publisher=Salon Media Group
|access-date=2010-05-17
|archive-url=https://web.archive.org/web/20110622121554/https://www.salon.com/technology/feature/1999/04/29/mod_trackers/index.html
|archive-date=2011-06-22
|url-status=dead
}}</ref> ''Impulse Tracker'' was coded in ],<ref>{{cite web|url=http://www.users.on.net/~jtlim/ImpulseTracker/downloads/it214v5.zip |title=Impulse Tracker|author=Lim, Jeffrey |access-date=2010-12-07}}</ref> and the ] was heavily influenced by that of '']''.<ref name="bits"/>


The first version was released in 1995 and included example songs "Drifting Onwards" and "Blue Flame" composed by Jeffrey Lim and Chris Jarvis respectively. The software was distributed as ], though extra features, such as support for stereo ] output and a personalized version of the driver for co-editing songs over ] networks, were provided for a fee. After the stereo WAV writer plugin was ],<ref>{{cite web |url=http://www.users.on.net/~jtlim/ImpulseTracker/update.txt |title=Impulse Tracker Changelog |last=Lim |first=Jeffrey |access-date=2010-07-17 |archive-date=2010-12-03 |archive-url=https://web.archive.org/web/20101203091735/http://www.users.on.net/~jtlim/ImpulseTracker/update.txt |url-status=dead }}</ref> Lim announced that he would discontinue development after version 2.14. The latest version was v2.14 Patch #5 released on April 8, 1999.{{Citation needed|date=February 2023}}
==Usage==

On February 16, 2014, Jeffrey Lim announced that he would release the complete source code of Impulse Tracker as part of its 20-year anniversary.<ref>{{cite web|url=http://roartindon.blogspot.com/2014/02/20-years-of-impulse-tracker.html |title=20 years of Impulse Tracker |last=Lim|first=Jeffrey |date=February 16, 2014 |access-date=February 17, 2014}}</ref> On October 19, 2014, the first part of the source code was released on a ] repository. On December 25, 2014, the missing parts (sound drivers) were added and the code was officially released under the ].<ref>{{Cite web |title=Added standard BSD License · herrnst/impulsetracker@d743c5d |url=https://github.com/herrnst/impulsetracker/commit/d743c5dd049d062956dab3d424179a72ad32f01f |access-date=2023-04-07 |website=GitHub |language=en}}</ref><ref>{{Cite web |title=Added sound drivers to repository · herrnst/impulsetracker@94c80b2 |url=https://github.com/herrnst/impulsetracker/commit/94c80b2514082f3672d1cedb1429a5eb8e410f55 |access-date=2023-04-07 |website=GitHub |language=en}}</ref>

== Functionality ==
{{Unreferenced section|date=February 2023}}
Like in most ] editors, music is arranged on a grid of ''channels''. Each supports note on and note off instructions similar to ]. ''Impulse Tracker'' modules use the ] file extension. Like in most ] editors, music is arranged on a grid of ''channels''. Each supports note on and note off instructions similar to ]. ''Impulse Tracker'' modules use the ] file extension.


New Note Actions (NNAs) is a feature that handles commands received on the same channel as another instrument which is still playing. NNAs allow the user to customize the subsequent action: New Note Actions (NNAs) is a feature that handles commands received on the same channel as another instrument which is still playing. NNAs allow the user to customize the subsequent action:<ref>{{Cite web |date=October 19, 2014 |title=impulsetacker/IT.TXT |url=https://github.com/herrnst/impulsetracker/blob/9fcee05b53a81a775efb735f37ac2275939049f8/ReleaseDocumentation/IT.TXT#L1497-L1511 |access-date=April 8, 2023 |website=GitHub |at=Lines 1497 - 1511}}</ref>
* '''Cut:''' The new instrument replaces the current instrument. * Cut: The new instrument replaces the current instrument.
* '''Continue:''' The old instrument continues to play using its ] curve. * Continue: The old instrument continues to play using its ] curve.
* '''Off:''' The old instrument begins the release section of its ADSR curve. * Off: The old instrument begins the release section of its ADSR curve.
* '''Fade:''' The old instrument fades out to 0 volume at a designated rate overriding the ADSR curve. * Fade: The old instrument fades out to 0 volume at a designated rate overriding the ADSR curve.


''Impulse Tracker'' supports hardware MIDI channels on the ], ] and ] card families (provided enough ] is available). ''Impulse Tracker'' supports hardware MIDI channels on the ], ] and ] card families (provided enough ] is available).<ref>{{Cite web |date=October 19, 2014 |title=impulsetracker/DRIVERS.TXT |url=https://github.com/herrnst/impulsetracker/blob/9fcee05b53a81a775efb735f37ac2275939049f8/ReleaseDocumentation/DRIVERS.TXT#L12-L52 |access-date=April 8, 2023 |website=GitHub |at=Lines 12 - 53}}</ref>

=== IT file format ===
The .IT file format is the format native to Impulse Tracker.<ref>{{cite journal
|url=https://books.google.com/books?id=IkBVAAAAMAAJ
|title=Linux Journal
|journal=Linux Journal: The Monthly Magazine of the Linux Community
|editor=Robert F. Young
|year=2000
|issue=75–80
|page=164
|issn=1075-3583
}}</ref> It is similar to older formats such as ], but features new additions such as new note actions which allow the user to customize subsequent actions on receiving commands from the same channel as the one playing.

There is also the .ITZ format, which is a renamed ] file that contains a .IT file.


== Compatible software == == Compatible software ==
Other music-playing software that supports the IT file format include '']'', '']'', '']''*¹, '']'', '']'', '']'', '']'', ''Schism Tracker'',<ref>{{cite web |url=http://www.schismtracker.org/ |title=Home |website=schismtracker.org}}</ref> ''ChibiTracker'',<ref>{{Cite web|url=http://www.pouet.net/prod.php?which=27385|title = ChibiTracker}}</ref> '']'', '']'', '']'', '']'', and '']''.<ref>{{cite web| url=http://helllabs.org/tracker-history/ |publisher=helllabs.org |first=Claudio |last=Matsuoka |date=2007-11-04 |access-date=2011-01-29 |title=Tracker History Graphing Project|archive-url=https://web.archive.org/web/20230409110332/http://helllabs.org/tracker-history/ |archive-date=2023-04-09 }}</ref>
Other music playing software that supports the IT file format include ], ] (Win32), ], ] (X11 Linux/Unix), ], ], ], and ] (Win32, GNU/Linux and Mac OS X).


<nowiki>*</nowiki>¹ - Supported only under ] releases.{{Citation needed|date=June 2024}}
The ] and ] are also capable of playing IT files, using the ] libraries that come with the ] ] development toolchain.
]


== See also == ==Usage and impact==
Erez Eizen of ] and ] composed his first trance music on Impulse Tracker.<ref>{{cite web|url=http://timesofindia.indiatimes.com/articleshow/33227459.cms |title=Trance Mushrooms to infect Pune |author=Sean Davidson |date=Jan 3, 2003 |access-date=2010-05-16|work=]}}</ref> Ian Stocker used IT with other software in his collaboration for the music in the Nintendo DS version of '']''.<ref>{{cite web|url=http://www.gamasutra.com/view/feature/2507/from_a_distance_the_virtual_.php |work=] |title=From a Distance: The Virtual Collaboration that Helped Score The Sims 2 DS/GBA |author=Andy Jones |date=January 10, 2006 |access-date=2010-05-16}}</ref>
{{portal|Free software|Free Software Portal Logo.svg}}


The ]s '']'' and '']'' use the IT format for some of their songs.<ref> on ]</ref> Various games by ] such as the first '']'' and '']'' as well as '']'' used the IT format in a "]" container format.<ref>{{cite web
* ]
|url=http://unreal.epicgames.com/Music.htm
* ]
|author=Alexander Brandon
* ]
|title=Information on how to extract IT files out of UMX containers
|archive-url=https://web.archive.org/web/20080820060250/http://unreal.epicgames.com/Music.htm
|archive-date=2008-08-20
|url-status=dead
}}</ref><ref name="DExM">{{cite web |publisher=deusex-machina.com |title=Interview with Alex Brandon |url=http://www.deusex-machina.com/articles/alexbrandon.asp |access-date=2009-01-10 |archive-date=2009-01-13 |archive-url=https://web.archive.org/web/20090113164143/http://www.deusex-machina.com/articles/alexbrandon.asp |url-status=dead }}</ref>


The ] and demoscener ] (Necros) used Impulse Tracker extensively in his ] days.
== Sound examples ==
*
*
*
*
*
*


] began making music in Impulse Tracker, before moving to ], MTV Music Generator and eventually ], which he used to compose the ].<ref>{{Citation |title=Minecon 2012 - The Music of Minecraft & Minecraft Documentary | date=28 November 2012 |url=https://www.youtube.com/watch?v=SDI2rHG1Xsc |language=en |access-date=2022-06-20}}</ref>
==External links==

*
Trance producer ] began his music production career using Impulse Tracker.<ref></ref> ] musician ] has revealed to have used Impulse Tracker and other trackers in the past.<ref></ref>

]'s career began in the mid-1990s with a ] and ] movements-influenced sound with Impulse Tracker.<ref>{{cite web
|url=http://www.residentadvisor.net/feature.aspx?972
|publisher=]
|title=Deadmau5: It's complicated
|date=2008-09-30
|first=Todd L.
|last=Burns
|access-date=2014-09-03
|quote=''I was in my Mom's basement tooling away on Impulse Tracker on a 386 just doing Nintendo music until some Loop Library company hired me as a producer.''}}</ref>

] used Impulse Tracker for many years before switching to ].<ref>{{cite web
|url=https://www.xlr8r.com/gear/2012/08/in-the-studio-machinedrum/
|title=In the Studio: Machinedrum
|publisher=]
|date=2012-08-27
|author=Shawn Reynaldo
}}</ref>

== See also ==
{{Portal|Free and open-source software}}
* ]
* ]
* ]


==References== ==References==
{{Reflist}} {{Reflist|30em}}

==External links==
{{Commons category|Impulse Tracker}}
* {{official website|http://www.users.on.net/~jtlim/ImpulseTracker/}}
Former was last online in 2023, so use archive.org for that version.
New Site:
https://www.lim.com.au/ImpulseTracker/
===Sound examples===
*


]
] ]
] ]
]

]
]
]
]
]
]
]
]
]
]

Latest revision as of 20:58, 26 October 2024

Free music sequencing software created in 1995 for the DOS platform
Impulse Tracker
Impulse Tracker 2.14 screenshot
Developer(s)Jeffrey Lim
Initial release1995; 30 years ago (1995)
Stable release2.14 Patch #5 / 8 April 1999; 25 years ago (1999-04-08)
Repository
Written inAssembly language
Operating systemDOS
TypeMusic tracker
LicenseOriginally freeware
Since 2014: BSD license
Websiteweb.archive.org/web/20230717162958/http://www.users.on.net/~jtlim/ImpulseTracker/

Impulse Tracker is a multi-track music tracker (music sequencer). Originally released in 1995 by Jeffrey Lim as freeware with commercial extensions, it was one of the last tracker programs for the DOS platform.

In 2014, on its 20th anniversary, Impulse Tracker became open-source software and the source code was released.

History

Impulse Tracker was authored by Jeffrey "Pulse" Lim for the DOS/x86-PC platform. Impulse Tracker was coded in assembly language, and the GUI was heavily influenced by that of Scream Tracker 3.

The first version was released in 1995 and included example songs "Drifting Onwards" and "Blue Flame" composed by Jeffrey Lim and Chris Jarvis respectively. The software was distributed as freeware, though extra features, such as support for stereo WAV output and a personalized version of the driver for co-editing songs over IPX networks, were provided for a fee. After the stereo WAV writer plugin was leaked publicly, Lim announced that he would discontinue development after version 2.14. The latest version was v2.14 Patch #5 released on April 8, 1999.

On February 16, 2014, Jeffrey Lim announced that he would release the complete source code of Impulse Tracker as part of its 20-year anniversary. On October 19, 2014, the first part of the source code was released on a Bitbucket repository. On December 25, 2014, the missing parts (sound drivers) were added and the code was officially released under the BSD license.

Functionality

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Like in most module editors, music is arranged on a grid of channels. Each supports note on and note off instructions similar to MIDI. Impulse Tracker modules use the .IT file extension.

New Note Actions (NNAs) is a feature that handles commands received on the same channel as another instrument which is still playing. NNAs allow the user to customize the subsequent action:

  • Cut: The new instrument replaces the current instrument.
  • Continue: The old instrument continues to play using its ADSR curve.
  • Off: The old instrument begins the release section of its ADSR curve.
  • Fade: The old instrument fades out to 0 volume at a designated rate overriding the ADSR curve.

Impulse Tracker supports hardware MIDI channels on the Gravis Ultrasound, InterWave and Sound Blaster 32 card families (provided enough RAM is available).

IT file format

The .IT file format is the format native to Impulse Tracker. It is similar to older formats such as .MOD, but features new additions such as new note actions which allow the user to customize subsequent actions on receiving commands from the same channel as the one playing.

There is also the .ITZ format, which is a renamed zip file that contains a .IT file.

Compatible software

Other music-playing software that supports the IT file format include Cowon jetAudio, AIMP, Windows Media Player*¹, MikMod, ModPlug Tracker, OpenMPT, Renoise, Schism Tracker, ChibiTracker, XMPlay, TiMidity, VLC, Winamp, and XMMS.

*¹ - Supported only under IA-32 releases.

Usage and impact

Erez Eizen of Infected Mushroom and Shiva Shidapu composed his first trance music on Impulse Tracker. Ian Stocker used IT with other software in his collaboration for the music in the Nintendo DS version of The Sims 2.

The video games Pocket Tanks and Grid Wars use the IT format for some of their songs. Various games by Epic Games such as the first Unreal and Unreal Tournament as well as Deus Ex used the IT format in a "UMX" container format.

The video game composer and demoscener Andrew Sega (Necros) used Impulse Tracker extensively in his demoscene days.

C418 began making music in Impulse Tracker, before moving to eJay, MTV Music Generator and eventually Ableton Live, which he used to compose the Minecraft soundtrack.

Trance producer Sean Tyas began his music production career using Impulse Tracker. Electronic rock musician Blue Stahli has revealed to have used Impulse Tracker and other trackers in the past.

Deadmau5's career began in the mid-1990s with a chiptune and demoscene movements-influenced sound with Impulse Tracker.

Machinedrum used Impulse Tracker for many years before switching to Ableton Live.

See also

References

  1. ^ Kenneth B. McAlpine (2018). Bits and Pieces: A History of Chiptunes. Oxford University Press. p. 152. ISBN 978-0-19-049611-1.
  2. Leonard, Andrew (1999-04-29). "Mod love". Salon.com. Salon Media Group. Archived from the original on 2011-06-22. Retrieved 2010-05-17.
  3. Lim, Jeffrey. "Impulse Tracker". Retrieved 2010-12-07.
  4. Lim, Jeffrey. "Impulse Tracker Changelog". Archived from the original on 2010-12-03. Retrieved 2010-07-17.
  5. Lim, Jeffrey (February 16, 2014). "20 years of Impulse Tracker". Retrieved February 17, 2014.
  6. "Added standard BSD License · herrnst/impulsetracker@d743c5d". GitHub. Retrieved 2023-04-07.
  7. "Added sound drivers to repository · herrnst/impulsetracker@94c80b2". GitHub. Retrieved 2023-04-07.
  8. "impulsetacker/IT.TXT". GitHub. October 19, 2014. Lines 1497 - 1511. Retrieved April 8, 2023.
  9. "impulsetracker/DRIVERS.TXT". GitHub. October 19, 2014. Lines 12 - 53. Retrieved April 8, 2023.
  10. Robert F. Young, ed. (2000). "Linux Journal". Linux Journal: The Monthly Magazine of the Linux Community (75–80): 164. ISSN 1075-3583.
  11. "Home". schismtracker.org.
  12. "ChibiTracker".
  13. Matsuoka, Claudio (2007-11-04). "Tracker History Graphing Project". helllabs.org. Archived from the original on 2023-04-09. Retrieved 2011-01-29.
  14. Sean Davidson (Jan 3, 2003). "Trance Mushrooms to infect Pune". The Times of India. Retrieved 2010-05-16.
  15. Andy Jones (January 10, 2006). "From a Distance: The Virtual Collaboration that Helped Score The Sims 2 DS/GBA". Gamasutra. Retrieved 2010-05-16.
  16. Pocket Tanks intro on SoundCloud
  17. Alexander Brandon. "Information on how to extract IT files out of UMX containers". Archived from the original on 2008-08-20.
  18. "Interview with Alex Brandon". deusex-machina.com. Archived from the original on 2009-01-13. Retrieved 2009-01-10.
  19. Minecon 2012 - The Music of Minecraft & Minecraft Documentary, 28 November 2012, retrieved 2022-06-20
  20. Sean Tyas interview
  21. Blue Stahli twitter profile
  22. Burns, Todd L. (2008-09-30). "Deadmau5: It's complicated". Resident Advisor. Retrieved 2014-09-03. I was in my Mom's basement tooling away on Impulse Tracker on a 386 just doing Nintendo music until some Loop Library company hired me as a producer.
  23. Shawn Reynaldo (2012-08-27). "In the Studio: Machinedrum". XLR8R.

External links

Former was last online in 2023, so use archive.org for that version. New Site: https://www.lim.com.au/ImpulseTracker/

Sound examples

Categories: