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Emu XL-7 & MP-7 User's Group

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Message

Re: [xl7] Re: a nasty bug

2005-12-22 by Zsolt Szabo

Hi,

there are several reasons why I want to use it.

For example:
XL7 + Waldorf XTk + Waldorf Pulse 
The Waldorfs use CC50 as cutoff CC. No way to send it
from XL7 :((( you are right, that's a reason why I do it.

Otherwise it's not a big deal really because I can filter
the incoming MIDI realtime for the XL7 but it came to me
as a surprise that XL7 would die because of this.

Just watch out for no retransmission of MIDI realtime.
I took care for no MIDI Note, CC, and sysex retransmission
but assumed realtime will be no problem.
Outcome: complete freeze, embarrasment, boo-hoo from the
audience.  

Regards:
     Zsolt







> --- Urspr\ufffdngliche Nachricht ---
> Von: "lifeistheformofenergy" <lifeistheformofenergy@...>
> An: xl7@yahoogroups.com
> Betreff: [xl7] Re: a nasty bug
> Datum: Thu, 22 Dec 2005 02:06:38 -0000
> 
> I guess the only real reason why you might want to do that is if you 
> plan on going beyond what the programmed parameter limits of the cc / 
> sysex / midi note knobs allow - is this the case - why is it that you 
> do it ? 
> 
> 
> 
> --- In xl7@yahoogroups.com, Jose Alvarenga <sistemazero2002@y...> 
> wrote:
> >
> > 
> > 
> > Zsolt Szabo <Zsolt.Szabo@g...> wrote:  Hi !
> > 
> > XL7, OS 2.0.
> > Connect both in/out to a MIDI interface or patchbay which doesn't 
> have
> > the MIDI realtime msgs filtered. Enable "Merge MIDI In to Out" on 
> the
> > XL7, it doesn't matter which out port, A or B which is even more 
> weird
> > than what happens next. Start XL7 by pressing PLAY. Now XL7 will 
> nicely
> > transmit MIDI Start message. If the MIDI interface transmits it 
> back to
> > the XL7's MIDI In port a nasty MIDI loop will occur which will kill 
> the
> > XL7 in approx. 10 seconds. Complete freeze. If you are quick enough 
> to
> > pull the cable the XL7 is able to cope with it (buffer size big 
> enough
> > to hold approx. 8-10 seconds worth of MIDI msgs ?)
> > 
> > 100% percent reproduceable.
> > Workaround - filter the outgoing MIDI realtime on the MIDI
> > interface/patchbay towards the XL7's MIDI In. Keep an eye on
> > it in live situations - I learnt it the hard way ...
> > 
> > Regards:
> > Zsolt
> > 
> > 
> > 
> > -- 
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> > 
> > 
> > Yahoo! Groups Links
> > 
> > 
> > 
> > 
> > 
> > 
> > thanks man! ill try that 
> > 
> > 
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> 
> 
> 
> 
> 
> 
>  
> Yahoo! Groups Links
> 
> 
> 
>  
> 
> 

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