MIDICraft's MIDINET CD-ROM/MIDICraft's MIDINET CD-ROM.iso/KORG_I-S/INTERNET/06987.010

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Date: Sun, 01 Jan 1995 17:10:10 +0000
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From: Mark Robson <[e-mail]>
Subject: Re: MIDI Question
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At 08:32 17/02/97 -0700, you wrote:
>I wonder if someone could answer a question that I"ve had for sometime with
>MIDI Files and the Korg I3.
>
>Whenever I save a MIDI file from PC to disk and then load it into the Korg,
>I have trouble with certain tracks. For example, my drum track which uses
>track 4 always converts itself to another instrument (A51, Bass). I reset
>it to D1 and it plays fine, but I can't make the change permenant on the
>keyboard. Everytime I restart the song, the drum track resets itself to
>A51.

Hi Rob....Mark Robson here,

This is fast becoming the most discussed topic via Korg-i, and I for one
congratulate Peter Ihnat for making the effort to set up a proper FAQ.  My
site is a little self indulgent in the topics discussed.

O.k. Rob, I think the 1st problem (and this is where my knowledge is thin)
is down to the i3 not being poperly GM compatible. Anwyay, I believe that by
converting your SMF to TEXT (ther's a progam M2TXT I think available from
Art/Peters sites) you can insert a SYSEX "GM ON" string, which will force
your i-series to use SONG09 to play back the SMF, and then the Drum track
(which should be on MIDI Ch. 10) plays correctly.  This is not my field of
expertise, so I leave it to those in the know, to elaborate on this a bit more.

Now...your problem with changing programs I think I can expalain.  SMF's
tend to have PROGAM CHANGE and other controllers at the beginning of each
track.  When you change the program of a track (or volume, panpoot, effect
send levels C/D) on the main SONG MODE page, that data is not actaully
written to the track, which means the controllers that are already embedded
in the track over-ride your new adjustments when you play the file.

NOTE:  If you save out a SNG as a SMF (*.MID) on the i3, all these settings
get written onto the 1st measure of each track......but not when you save in
*.SNG format!  Therfore if you intend to do a lot of work using the i3 on
the loaded SMF, then it would best to save it in SNG format until the very
end, when you could then save it out as a SMF again, for other GM purposes.

To solve this problem you can either use EVENT EDIT on the offending tracks
(SONG mode PAG6) and delete the PROGRAM CHANGES (and any other controllers
you want to remove) manually.

The best way would be to use ERASE MEAURE on the 1st meaure of ALL the
tracks!  This way you can change any of the parameters in realtime as the
song is playing, and they won't reset when you start from the beginning again.

e.g. to erase all CONTROLLERS & PROGRAM CHAGNGES.......SONG mode PAGE 7:
ERASE MEAURE

ALL     M001 > 001      PROG

and then,

ALL     M001 > 001      CTRL    ALL

This will delete the lot, which is o.k. unless you've got other controllers
than need to be there e.g. C100, C101, C006 combination fot pitch bend range
changes.

>Conversely, when I save a midi song off the Korg to disk and play it on the
>PC, EVERYthing is messed up!! What Midi Format should I be saving it under?
>0 or 1?  Also, should I be able to save a BSQ file and have it play
>properly as a Midi song?  I have a Yamaha SY60 Synthesizer Wave card and
>some instruments and sounds are actually better on this $179.00 card than
>the I3. That is why I'd like to hear what some of these Korg sequences and
>MIDI songs sound like on the PC. So far, I've had little success converting
>data to and from the PC and the I3.

I can only guess that you are using C-Bank presets or D-Bank User Program on
the i3, saving out as a SMF, and then playing on your PC.  Remember that you
must limit yourself to the GM program (Banks A & B).  Any of these programs
that you may have used on the i3 will get mapped to somthing completely
unexpected on your Yamaha Card!!!,

With drum kits....well.....erm.....this is such a bugger!  Even the Korg's
GM-Standard Kit is not exactly the same as the one on my AWE-32 so it's a
real pain.  I believe that the other 5 ROM kits do conform reasonably to the
Roland GS standard.  Personally I have to put my AWE-32 into GS mode, before
it will recognise any of these other kits...otherwise the GM Standard kit is
used by default.  There is also a "GS ON" SYSEX string which can be embedded
into a SMF, which may be able to trigger the GS kits in you Yamaha
Card...which it must have!

NOTE:  Your drum track must be set to MIDI CHANNEL 10 (SONG mode PAGE 5) for
GM/GS compatibility.  If you stick with TRK10 always for your Drum track on
the i3, then it's o.k. beause the default MIDI channels are the same as the
track number.

I think Kevan knows some more stuff relating to the use of GS to obtain 2
Drum Tracks if you want to delve deeper!!!!!  I've also written a patch file
for Guenters MIDIPAT program, which will merge an i-Series PERC track
(theres is no GM/GS perc track...it's a KORG invention!!!!) with a
GM-Standard Kit track on Channel 10, so that you can reproduce some of the
nice STYLE PERC tracks into GM format.

I'm waffling here....

Hope this cures your problems.

All the best,

Mark.

>Any explanations or suggestions are very much appreciated.
>
>Thank you,
>
>
>Rob

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