[LAU] MIDI sysex over Firewire - not supported by Jack MIDI?

oli_kester oli_kester at zoho.com
Wed Dec 10 18:56:12 UTC 2014

Right, here's an old MIDI file that I think contains the sysex messages - 


And here's a copy of the ER-1's MIDI chart - 


I just timed the full data dump, and it takes 1:36 to complete. This is every knob and sequence setting over 4x64 patterns, and 20 songs. 

cheers, Oliver

Date: Tue, 9 Dec 2014 20:31:29 +0000 
From: Will Godfrey <willgodfrey at musically.me.uk> 
To: linux-audio-user at lists.linuxaudio.org 
Subject: Re: [LAU] MIDI sysex over Firewire - not supported by Jack 
Message-ID: <20141209203129.63fa9d63 at debian> 
Content-Type: text/plain; charset=US-ASCII 
On Tue, 09 Dec 2014 20:00:57 +0000 
oli_kester <oli_kester at zoho.com> wrote: 
> By size, are we talking the length of the recording, or the throughput? Because as far as I can tell there is no MIDI being received at all when I tell the device to transmit. The process lasts about two or three minutes by the way. 
> Would altering jack settings make any difference? Can I use one of the drivers other than firewire? 
That is a seriously big chunk of data! Using Simple Sysexer My Yamaha QS300 
takes about 30 seconds for a full dump. 
It's a long time since I did any work with programs to send and receive SYSEX 
(Acorn Archimedes) but I seem to remember that the sender could elect to send 
just one massive block of data or a bunch of smaller ones. Do you know which 
the Korg uses (is it switchable?) 
Will J Godfrey 
Say you have a poem and I have a tune. 
Exchange them and we can both have a poem, a tune, and a song. 

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