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Conference napalm::commusic_v1

Title:	* * Computer Music, MIDI, and Related Topics * *
Notice:	Conference has been write-locked. Use new version.
Moderator:	DYPSS1::SCHAFER

Created:	Thu Feb 20 1986
Last Modified:	Mon Aug 29 1994
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2852
Total number of notes:	33157

2084.0. "Making a MIDI file" by DFLAT::DICKSON () Tue Aug 15 1989 17:00

    For a little project I am trying, I have a file conversion problem.
    
    We start with a performance recorded in Mark of the Unicorn Performer
    version 1.2 on a Mac (this is before Performer knew about MIDI files).
    The performance is also available in EMAX format.
    
    The goal is to get this performance into standard MIDI file format on a
    Mac floppy, without going out and buying whatever multi-hundred-dollar
    sequencer product can do the conversion, as I only need to do this
    once.  (If this project works, then more will be revealed.) 
    
    Things we have thought of so far:
    
    	1) Find somebody with an EMAX, hook a Mac to the EMAX and have the
    		EMAX play the performance while the Mac records it.
    	2) Find somebody who has a later version of Performer that can
    		read the v1.2 file and write a MIDI file, who is willing to
    		do the conversion.
    
    Any more suggestions, or volunteers?
    
    - Paul Dickson
      MKO

T.R	Title	User	Personal Name	Date	Lines
2084.1	MAC->MAC	TROA01::HITCHMOUGH		`Thu Aug 17 1989 09:20`	9
	> Any more suggestions, or volunteers? Paul, how about another MAC owner with something like MTP that can write MIDI files, connect the two and do a multi-track record. I can't help you with that as I'm up in Canada, but if I was down your way..... Ken
2084.2		DFLAT::DICKSON		`Thu Aug 17 1989 10:50`	4
	The starting constraint is a floppy with either a Performer file on it or an EMAX sequence on it. I have neither Performer nor an EMAX... Performer version 3.1 is shipping now, by the way. List $495. (yikes)
2084.3		GIBSON::DICKENS	What are you pretending not to know ?	`Mon Aug 21 1989 13:54`	1
	Sounds like you guys need a midi-modem... 8-}
2084.4	MIDI file format description?	SMURF::NEWHOUSE		`Wed Aug 23 1989 09:46`	6
	Does anyone know what the midi file format is or where I can find this information? I looked in the directory of this file and didn't see any obvious pointers. Thanks, Tim
2084.5	See Note 1538	MUNTRA::RAUTENBERG		`Thu Aug 24 1989 04:11`	6
	Have a look to Note 1538. This may give you some idea. Michael
2084.6		KOBAL::DICKSON		`Mon Sep 11 1989 17:31`	8
	Do I have any volunteers who 1) Already have a sufficiently recent version of Performer that it knows how to write MIDI files, and 2) Are willing to convert a file for me? Being in New England helps (I am at ZKO) so this doesn't have to be done by mail.
2084.7	Need a file for testing	KOBAL::DICKSON		`Thu Sep 14 1989 13:53`	12
	Does anybody have a MIDI file or two that they could let me have to test out a program I am writing? The program is supposed to be able to read and write MIDI files (and do something interesting in between). The program runs on VMS, so I need to get the file there. I can handle simple data files or Macintosh "MacBinary" format. In case anybody is interested, the program is a "time base corrector" that aids you in turning freely entered improvisations (disregarding tempo) into a format where time is scaled and a tempo map created such that 1) The sequence plays back the same as before, but 2) The beats fall on beats, etc