Editing MIDI (section)

===Time code===
{{Main|MIDI timecode}}
A sequencer can drive a MIDI system with its internal clock, but when a system contains multiple sequencers, they must synchronize to a common clock. MIDI timecode (MTC), developed by [[Digidesign]],<ref>Glatt, Jeff. "[http://home.roadrunner.com/~jgglatt/tutr/history.htm The beginnings of MIDI] {{webarchive|url=https://web.archive.org/web/20120501165134/http://home.roadrunner.com/~jgglatt/tutr/history.htm |date=1 May 2012 }}". ''The MIDI Technical Fanatic's Brainwashing Center''. n.p. n.d. Web. 13 August 2012.</ref> implements SysEx messages<ref>Glatt, Jeff. "[http://home.roadrunner.com/~jgglatt/tech/mtc.htm MIDI Time Code] {{webarchive|url=https://web.archive.org/web/20120212181214/http://home.roadrunner.com/~jgglatt/tech/mtc.htm |date=12 February 2012 }}". ''The MIDI Technical Fanatic's Brainwashing Center''. n.p. n.d. Web. 13 August 2012.</ref> developed specifically for timing purposes, and can translate to and from the [[SMPTE timecode]] standard.<ref name="Manning3" />{{rp|288|date=November 2012}} MIDI interfaces such as Mark of the Unicorn's MIDI Timepiece can convert SMPTE code to MTC.<ref>{{cite web |url=http://www.sweetwater.com/publications/sweetnotes/sn-summer96/SumSN_index.html |title="Q & A". ''Sweet Notes''. Sweetwater Sound. Summer 1996. Web |publisher=Sweetwater.com |access-date=27 November 2012 |url-status=live |archive-url=https://web.archive.org/web/20121205031620/http://www.sweetwater.com/publications/sweetnotes/sn-summer96/SumSN_index.html |archive-date=5 December 2012  }}</ref> While MIDI clock is based on tempo, timecode is based on [[Frame (video)|frames]] and is independent of tempo. MTC, like SMPTE timecode, includes position information and can recover in the event of a [[Dropout (communications)|dropout]].<ref>White, Paul. "[http://www.soundonsound.com/sos/1996_articles/jun96/miditimecode.html SMPTE & MTC (MIDI Time Code)] {{webarchive|url=https://web.archive.org/web/20120110105648/http://www.soundonsound.com/sos/1996_articles/jun96/miditimecode.html |date=10 January 2012 }}" ''Sound on Sound''. SOS Publications. Jun 1996. Print.</ref>