The Yamaha AN1x Synthesizer mailing list

In article <000201c10d28$25a07450$0200a8c0@bigpc>, Gary Gregson
<gary@yme.co.uk> writes
>Yes, the message is Active sense....almost all Yamaha keyboards send
>this message. Its part of the MIDI spec and is in general a good idea.
>(If you check the AN1x MIDI implementation chart you will see that the
>message is both transmitted and received by the device)
>
>No, there is no way to turn it off on the An1x (or at least I don't know
>of any way to disable it ;-(
Dead right, But if you have a Midi Controller between the Keyboard and
the Midi in you may be able to Filter 'Active Sensing', I don't know if
the control Freak does, but the Peavey 1600 certainly does.
>
>The message is designed for live performance situations, to avoid hung
>notes. For example if someone kicks the MIDI lead out, then the
>receiving device will turn off any sounding notes.
>
>All sequencers that I am aware of simply consume the message (they do
>not store it or forward it). 
I got told something slightly different, From Nick Howes, that VST
consumes them and 'Re-sends' it's own, which I thought quite odd, as I
have never seen any 'Active Sense' Messages in Midi OX at all, even when
monitoring the Midi in direct.

The only reason I became aware of active sensing is because the Dopefer
Pocket control that I have has a midi activity indicator light on it
that flashes away when my controller keyboard is hooked up to it.

The 2 things that helped were filtering via my peavey, or a Philip Rees
'2S' midi Selector, so when I am not using the Keyboard, I switch it via
the Box and that way I don't get the light flashing and annoying me
while I am trying to concentrate.

The Peavey is an expensive solution (Around £250-£300), whereas the
Philip Box cost me £12 which is considerably cheaper.

>
>Regards
>
>Gary Gregson
>
>Email:gary@...
>http://www.yme.co.uk/yme 
>
>
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See ya,

Reggie