Re: [LAD] MIDI SysEx "7 (Signed)"

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To: Alexandre Ratchov <alex@...>
Cc: linux-audio-dev <linux-audio-dev@...>
Date: Thursday, September 12, 2013 - 4:38 pm

On Thu, 2013-09-12 at 14:22 +0200, Alexandre Ratchov wrote:

Thank you Alexandre,

at the moment it's possible to use -64 to +63 by signed two complement
and it's also possible to continue up to +127, assumed the two
complement should cause audible value "jumps".
I simply will connect the Matrix-1000 and then test what happens.

I found a free Windows editor that does provide -63 to +63 (no 0.5
steps) but since I run Windows in VBox, I don't know if I could get a
MIDI output to take a look at the SysEx data.

Another issue are some bit switches, e.g. for a DCO Waveform enable
bit 0 = pulse, 1 = wave and 2 = noise. For the Windows editor it's
possible to turn on pulse, wave and noise at the same time, while I
suspected that if one is turned on, the others should be turned off.

However, I will test it using the editor I've written, with the Matrix I
own.

I hoped somebody who owns a Matrix too does know, too avoid those tests
when I started writing.

If there should be the need to rewrite what already is written, it
wouldn't cause work, the actual work is to copy all parameters from the
manual and to find a way to make the Matrix's matrix clear for the
command line (without a GUI).
It's just a bash script using amidi, from the fact that I need to copy
all parameters from the manual and need to find a way to make the
Matrix's matrix clear without a GUI, the script is finished, so I easily
can test the behavior, whenever I've got some time to do it ;).

Regards,
Ralf

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