Fwd: [Jsynthlib-devel] General problem with sending SysEx messages?

[Jeff W. <jww...@ya...>]

Thorsten,

I tested this out with an external Midi monitor
program and it seems to work just fine on my system.
No additional bytes are sent and the messages are the
correct size every time. I'm using Java 1.4.2_05 on
Mac OS X, 10.3.6.

Jeff

--- Thorsten Klose <Tho...@gm...> wrote:

> From: "Thorsten Klose" <Tho...@gm...>
> To: jsy...@li...
> Subject: [Jsynthlib-devel] General problem with
> sending SysEx messages?
> Date: Sat, 18 Dec 2004 01:35:08 +0100 (MET)
> 
> Hi,
> 
> I'm having problems with sending SysEx messages and
> I'm not sure if they are
> related to my Windows/Java5 installation, or to
> inconsistent modules in the
> current CVS view.
> 
> It seems that once a Patch has been sent to the
> synth, each parameter which
> uses the SysexSender has the same size like the
> previous sent patch, and
> therefore not only produces a lot of MIDI traffic,
> but also violates the
> MIDI protocol.
> 
> Could somebody please try out the following with the
> latest CVS version?
> 
>    o open the MIDIboxSID editor, a SysEx string of
> 266 bytes will be sent.
>    o move the volume knob: 11 bytes for the
> parameter change + 255
> additional bytes which contain the previous patch
> data (until 0xf7) will be
> sent
>    o thereafter open the Boss DR660 driver, it will
> also send a lot of
> additional bytes on each parameter change (this
> assured me that it cannot be
> an implementation problem at my side...)
> 
> The integrated MIDI monitor always displays the
> correct SysEx string (XMIT:
> ...) and not the additional junk. Therefore it's
> better to test this with an
> external monitor program like MIDI-Ox
> 
> 
> I already tried to debug this problem, but due to my
> limited java knowledge
> it's not clear to me if the send(Receiver rcv,
> MidiMessage msg) function of
> MidiUtil.java sends the message to the generic
> receiver which is provided by
> Java itself, or to the enhanced implementation
> (where an error could be
> likely) - any hints?
> 
> Best Regards, Thorsten.
> 
> 
>
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