From bruce@ashbysolutions.com Thu Mar 02 05:23:50 2000
Subject:RE: [Voce] Stuck notes on V5

Dave,

I don't know if you can fix this problem, other than to change your MID
setup. My V3 still sticks from time to time. It seems to be related to
a) the two-61-keyboards-plus-25-pedals polyphony of the V3/V5, coupled
with the individual quirks of your MIDI keyboard:

- POLYPHONY -- MIDI can't really handle every event in a quick gliss
up or down the keyboard. The data connection can accept 1,000-1,500
events/sec., but even if the RAW stream can accommodate the data,
the processing needed at each end to encode/decode events can cut
way down on the USEABLE number. A keyboard with less polyphony gets
by because only a smaller number (16, 32, etc.) of note-on messages
can be obeyed at any moment: If the key's note-off is lost in the
shuffle of a gliss, there's a good chance that the keyboard won't
have enough voices left to keep it sounding anyway, and will turn it
off automatically.

Why don't the VK-7 and XK-2 have this problem? Because they don't use
MIDI on the inside; just on the outside.

- KEYBOARD -- Some controllers are definitely better than others. My
Roland D-50/V3 combination was notorious for getting stuck notes.
Since I've changed to the Yamaha AN1x, the problem rarely happens.
It's never happened on my Fatar Studio 88 (lower manual), but then
again, I don't solo on the weighted keyboard much. I don't know if
it's because the AN1x processes notes faster, buffers more events,
makes better use of what they call "running status" -- a method of
cutting down on MIDI data when the messages are all of the same
type -- or supports active sensing differently. It just works
better.

Best regards,

-BW

--
Bruce Wahler
Electrical/Computer engineer
Keyboard player
Voce Support Group moderator
bruce@ashbysolutions.com

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-----Original Message-----
From: David OSoff [mailto:Deosoff@aol.com]
Sent: Thursday, March 02, 2000 12:07a
To: VoceSupportGroup@onelist.com
Subject: [Voce] Stuck notes on V5

From: "David OSoff"

Hi everybody,
Here's my latest dilemna. I have started getting stuck notes on my
V5 pretty often when doing a big slide from the bottom up.
I am now midi-ing it through a Hammond XK-2 organ. (I got a killer
deal on it used, and together they give me the 2 sets of live
drawbars I've been wanting, and that incredible feel that the
keyboard has!)

Anyways, before the XK-2 I was getting sporadic stuck notes when
using the V-5 in multi-timbral mode with 2 keyboards and now I'm
getting stuck notes with 1 keyboard. When I posed a stuck note
question to the group a while back, a few of you said it might have
had something to do w/ Roland keyboards and active sensing. I
managed to disable the active sensing on one of the keyboards, but
it didn't help. I don't see anything like that on this keyboard.
There's no aftertouch on it either. Any suggestions??? I hate
having to hold back when I play.

Dave Osoff
Deosoff@aol.com

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