2 Feb
2003
2 Feb
'03
12:06 p.m.
I have a Delta 1010 and have heretofore had no use to plook around
with MIDI until I picked up a bargain at the local Guitar Center -
an Antares Mic Modeler for $99!
I can download new models of mics into it via MIDI, but am such a
MIDI novice I have no idea which app would be suitable for this sort of
thing. Any suggestions? Thanx!
--
======================================================================
Joe Hartley - Senior Unix Admin - Ingenta inc.
Joe.Hartley(a)ingenta.com - AOL IM: JoeHartley
Without deviation from the norm, "progress" is not possible. - FZappa
2 Feb
2 Feb
12:19 p.m.
Joe,
The MIDI data is probably sent in a format call 'System Exclusive'.
Most all of the sequencers will handle this. RG has a few problems with
this right now, and it's way more than you need for this job. So is
Muse.
There's a light-weight sequencer caller Seq24. I haven't used it, but
it might be a good choice for this sort of need. You'll need to see what
it handles in terms of SysEx stuff.
http://filter24.org/seq24/
Good luck,
Mark
On Sun, 2003-02-02 at 07:59, Joe Hartley wrote:
I have a Delta 1010 and have heretofore had no use to
plook around
with MIDI until I picked up a bargain at the local Guitar Center -
an Antares Mic Modeler for $99!
I can download new models of mics into it via MIDI, but am such a
MIDI novice I have no idea which app would be suitable for this sort of
thing. Any suggestions? Thanx!
--
======================================================================
Joe Hartley - Senior Unix Admin - Ingenta inc.
Joe.Hartley(a)ingenta.com - AOL IM: JoeHartley
Without deviation from the norm, "progress" is not possible. - FZappa
3 Feb
3 Feb
10:23 a.m.
On Sun, 2003-02-02 at 10:12, Mark Knecht wrote:
There's a light-weight sequencer caller Seq24.
I haven't used it, but
it might be a good choice for this sort of need. You'll need to see what
it handles in terms of SysEx stuff.
http://filter24.org/seq24/
http://linux-sound.org/
I found some nifty sysex stuff in the midi section here.
--
Rick Taylor <ricktaylor(a)speakeasy.net>
The Dispossessed
2 Feb
2 Feb
4 p.m.
Joe Hartley wrote:
I have a Delta 1010 and have heretofore had no use to
plook around
with MIDI until I picked up a bargain at the local Guitar Center -
an Antares Mic Modeler for $99!
I can download new models of mics into it via MIDI, but am such a
MIDI novice I have no idea which app would be suitable for this sort of
thing. Any suggestions? Thanx!
I should think that you could use cat.
cat downloaded_midi_file > /dev/midi0
6:19 p.m.
On Sun, 02 Feb 2003 12:05:57 -0800
Tobiah <toby(a)tobiah.org> wrote:
Joe Hartley wrote:
Well, this seems blindingly obvious, and when I try it I get the MIDI out
LED on the Delta to light up! Huzzah!
Course, the AMM-1 doesn't seem to realize anything's happening... so
it's into they mystic now.
I tried /dev/snd/midiC0D0 as well, with the exact same results.
Trying it to /dev/snd/seq fails, though: "cat write error: Invalid argument"
So much fun!
--
======================================================================
Joe Hartley - Senior Unix Admin - Ingenta inc.
111R Chestnut St., Providence, RI 02903 - cell 401.338.9214
Joe.Hartley(a)ingenta.com - AOL IM: JoeHartley
Without deviation from the norm, "progress" is not possible. - FZappa
I can download new models of mics into it via
MIDI, but am such a
MIDI novice I have no idea which app would be suitable for this sort of
thing. Any suggestions? Thanx!
I should think that you could use cat.
cat downloaded_midi_file > /dev/midi0 
7:59 p.m.
There is a simple command-line app called playmidi that you can use to play
midi files. Apparently it doesn't have it's own website but you should be
able to find a package easily enough.
Using cat doesn't work - I guess because the midi file format must contain
time data whereas the data coming from a midi wire is played as soon as it is
recieved.
On Sunday 02 February 2003 10:12 pm, Joe Hartley wrote:
On Sun, 02 Feb 2003 12:05:57 -0800
Tobiah <toby(a)tobiah.org> wrote:
Joe Hartley wrote:
Well, this seems blindingly obvious, and when I try it I get the MIDI out
LED on the Delta to light up! Huzzah!
Course, the AMM-1 doesn't seem to realize anything's happening... so
it's into they mystic now.
I tried /dev/snd/midiC0D0 as well, with the exact same results.
Trying it to /dev/snd/seq fails, though: "cat write error: Invalid
argument"
So much fun! I can download new models of mics into it via
MIDI, but am such a
MIDI novice I have no idea which app would be suitable for this sort of
thing. Any suggestions? Thanx!
I should think that you could use cat.
cat downloaded_midi_file > /dev/midi0 
3 Feb
3 Feb
3:59 a.m.
Lainaus Joe Hartley <joe.hartley(a)ingenta.com>om>:
On Sun, 02 Feb 2003 12:05:57 -0800
Tobiah <toby(a)tobiah.org> wrote:
Well, this seems blindingly obvious, and when I try it I get the MIDI
out
LED on the Delta to light up! Huzzah!
Course, the AMM-1 doesn't seem to realize anything's happening... so
it's into they mystic now.
I tried /dev/snd/midiC0D0 as well, with the exact same results.
Trying it to /dev/snd/seq fails, though: "cat write error: Invalid
argument"
So much fun!
--
======================================================================
Joe Hartley - Senior Unix Admin - Ingenta inc.
111R Chestnut St., Providence, RI 02903 - cell 401.338.9214
Joe.Hartley(a)ingenta.com - AOL IM: JoeHartley
Without deviation from the norm, "progress" is not possible. - FZappa
It might be that there should be a SysEx start message and a
manufacturer ID before the data and a SysEx end message after.
For Antares these would be
0xF0 0x00 0x01 0x26 [data here...] 0xF7
(at least according to
http://true.chez.tiscali.fr/sysex/sysexformat.htm and
http://www.borg.com/~jglatt/tech/midispec.htm)
You could try Python (start the interpreter with 'python'
and type in the next):
fp = open ("datafile")
midiport = open("/dev/midiXX", "w", 0)
data = fp.read()
fp.close()
midiport.write(chr(0xF0)+chr(0x00)+chr(0x01)+chr(0x26)+data+chr(0xF7))
midiport.close()
Haven't tested it (I don't have an Antares device
or anything else that wants SysExes for that matter)
but "if everything else fails, use python" :)
--
Jaakko Prättälä
Jaakko.Prattala(a)Helsinki.FI
http://www.cs.Helsinki.FI/Jaakko.Prattala
Joe Hartley wrote:
> I can download new models of mics into it via MIDI, but am such a
> MIDI novice I have no idea which app would be suitable for this sort
of
thing.
Any suggestions? Thanx!
I should think that you could use cat.
cat downloaded_midi_file > /dev/midi0
4:13 a.m.
oops...
fp = open ("datafile")
should be:
fp = open("datafile", "r")
--
Jaakko Prättälä
Jaakko.Prattala(a)Helsinki.FI
http://www.cs.Helsinki.FI/Jaakko.Prattala
9:50 a.m.
On Mon, 3 Feb 2003 09:52:06 +0200
Jaakko Prättälä <Jaakko.Prattala(a)Helsinki.FI> wrote:
It might be that there should be a SysEx start message
and a
manufacturer ID before the data and a SysEx end message after.
For Antares these would be
0xF0 0x00 0x01 0x26 [data here...] 0xF7
According to the manual, the SysEx header stuff is in place, but
od -xc shows me something else - the first 32 bytes are:
0000000 544d 6468 0000 0600 0000 0100 6000 544d
M T h d \0 \0 \0 006 \0 \0 \0 001 \0 ` M T
0000020 6b72 0000 760d f000 729a 0100 1126 0007
r k \0 \0 \r v \0 ð 232 r \0 001 & 021 \a \0
Here's a naive assumption on my part: since the MIDI Out on the
Delta panel is lighting up, there's data going out on the port.
I'll start looking more closely at the SysEx header stuff and the actual
file format now - thanks for the help!
--
======================================================================
Joe Hartley - Senior Unix Admin - Ingenta inc.
111R Chestnut St., Providence, RI 02903 - cell 401.338.9214
Joe.Hartley(a)ingenta.com - AOL IM: JoeHartley
Without deviation from the norm, "progress" is not possible. - FZappa
11:49 a.m.
On Monday 03 February 2003 1:43 pm, Joe Hartley wrote:
On Mon, 3 Feb 2003 09:52:06 +0200
Jaakko Prättälä <Jaakko.Prattala(a)Helsinki.FI> wrote:
Maybe it's some kind of header in the midi file?
It might be that there should be a SysEx start
message and a
manufacturer ID before the data and a SysEx end message after.
For Antares these would be
0xF0 0x00 0x01 0x26 [data here...] 0xF7
According to the manual, the SysEx header stuff is in place, but
od -xc shows me something else - the first 32 bytes are:
0000000 544d 6468 0000 0600 0000 0100 6000 544d
M T h d \0 \0 \0 006 \0 \0 \0 001 \0 ` M T
0000020 6b72 0000 760d f000 729a 0100 1126 0007
r k \0 \0 \r v \0 ð 232 r \0 001 & 021 \a \0 Here's a naive assumption on my part: since the
MIDI Out on the
Delta panel is lighting up, there's data going out on the port.
I'll start looking more closely at the SysEx header stuff and the actual
file format now - thanks for the help!
Are you using cat or playmidi to play the file? The cat method will dump the
data to the midi port, but it could be in the wrong format.
A really handy way to find out what sysex data is in a midifile are the
utilities mf2t and t2mf, which convert midi files into human-readable text
files and vice verssa. I believe they are included in the latest version of
scala from http://www.xs4all.nl/~huygensf/scala/downloads.html
12:18 p.m.
Nathaniel Virgo wrote:
On Monday 03 February 2003 1:43 pm, Joe Hartley
wrote:
Yes, a standard MIDI file always starts with MThd then ten bytes
of header data (generally 0x0 0x0 0x0 0x6 then a two-byte format
field, two-byte number-of-tracks field and two-byte timing division
field). Then each track starts with MTrk and the number of bytes
in the track. None of this stuff, obviously, is part of the MIDI
wire protocol. (The file format also may contain file meta-events
such as tempo, time and key signature, lyric and copyright events
etc which are also not part of the wire protocol. They happen to
share the event code 0xFF with the system-reset event of the wire
protocol, so you definitely shouldn't be sending them to devices.)
Chris
According to the manual, the SysEx header stuff is
in place, but
od -xc shows me something else - the first 32 bytes are:
0000000 544d 6468 0000 0600 0000 0100 6000 544d
M T h d \0 \0 \0 006 \0 \0 \0 001 \0 ` M T
0000020 6b72 0000 760d f000 729a 0100 1126 0007
r k \0 \0 \r v \0 ð 232 r \0 001 & 021 \a \0
Maybe it's some kind of header in the midi file?
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linux-audio-user@lists.linuxaudio.org
10 comments
7 participants
participants (7)
-
Chris Cannam -
Jaakko Prättälä -
Joe Hartley -
Mark Knecht -
Nathaniel Virgo -
Rick Taylor -
Tobiah