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Subject: Re: [AN1x] Problems with USB MIDI adapter

From: Jeff <jf.serviere@...>
Date: 2011-12-21

Hi ladies & gentlemen !
I have an inexpensive PRODIPE 1 in / 1 out MIDI interface (let's say :
cable) and it works fine with AN1xedit (and other synth editor
librarian...).
I suppose that some similar devices filter SYSEX messages and keep only
note and velocity data, obviously AN1x edit does not work.....
Be careful with MIDI - USB devices drivers, some are not compatible with
AN1x edit...
Cheers.
J.F.


jammie a écrit :
> some usb to midi devices dont totally impliment the sysex protocol so that they dont send sysex properly
>
> find a usb midi device that has full sysex send and recieve
>
> i use a midisport 8x8 a 4x4 and a 2x2
>
> they work great and have drivers for win xp3
> ----- Original Message -----
> From: witchole
> To: AN1x-list@yahoogroups.com
> Sent: Tuesday, December 20, 2011 7:28 PM
> Subject: [AN1x] Problems with USB MIDI adapter
>
>
>
> Hi, I'm a complete novice when it comes to both synthesizers and MIDI,
> so I'm not sure whether the problems I'm having are my mistakes, or
> actual hardware or driver issues.
> Basically, normal MIDI messages appear to be passing correctly in both
> directions, but SysEx commands do not appear to be received by the AN1x.
> And manually-sent bulk dumps from the AN1x are received by the PC, but
> appear to be incorrect.
> My setup: Windows XP SP3, AN1x 1.02, and a cheap USB-2MIDI adapter
> <http://www.ebay.co.uk/itm/230695658396> . I've read on this forum
> previous reports of problems with such USB MIDI adapters but haven't
> seen a satisfactory explanation of what exactly the problem is.
> Symptoms with AN1xEdit v1.1:
> ∗ The virtual keyboard notes are relayed correctly to the synthesizer,
> as is the pitch controller and modulation wheel.
> ∗ Any parameter or voice changes are not reflected on the AN1x (although
> anything currently playing is stopped).
> ∗ Clicking on "Request" results in pause followed by "Receive error".
> Ditto with Retry.
> ∗ No error messages are displayed on the AN1x at all.
>
> Analysis with Midi-Ox v7.0.2.372:
> ∗ The virtual keyboard controls the AN1x notes correctly.
> ∗ Normal MIDI messages like Note on/off, pitch bend etc. appear correct
> in the Monitor Input window.
> ∗ When anything is being sent from the AN1x, the green MIDI IN light on
> the adapter flashes.(and it flashes continously because of the FE
> Activity Sensing message)
> ∗ When anything is sent from MidiOx, the orange MIDI OUT light on the
> adapter flashes.
> ∗ Nothing at all is received from the AN1x in response to SysEx
> commands.I've tried for instance the Identity Request command: F0 7E 7F
> 06 01 F7
> ∗ The "SX" LED on the output port shown in the Midi Port Activity window
> does not light when I'm sending SysEx commands.
> ∗ The SX LED on the input port does light up when receiving SysEx data
> from the AN1x (e.g. bulk dumps).
> ∗ Bulk dump data from the AN1x appear to be incorrect. For example,
> here are example "1 ptn" and "1 vce" dumps:
> BulkDump, 1 ptn:SYSX: F0 43 00 5C 10 0E 00 04 00 00 00 3C 3C 3C 3C 3C 3C
> 3CSYSX: 3C 3C 3C 64 64 64 64 64 64 64 64 64 64 64 3C 3C 3C 3CSYSX: 3C 3C
> 3C 3C 3C 3C 3C 00 00 00 00 00 00 00 00 00 00 50SYSX: F7
> BulkDump, 1 vce:SYSX: F0 43 00 5C 10 00 00 52 61 78 78 20 20 14 01 02 06
> 01SYSX: 0A 3C 04 40 72 05 00 00 03 00 27 01 30 00 00 1D 42 28SYSX: 34 44
> 00 01 7D 11 04 21 05 01 03 00 3C 01 23 00 07 00[snip]
> I'm assuming these messages should match the format of "CURRENT SEQ" and
> "CURRENT VOICE" respectively, as described on page 11 of the AN1x Data
> List manual. Interestingly, for both those messages after the "F0 43 00
> 5C" there should be 2 bytes giving the data size, followed by "10 0E"
> for "1 ptn" and "10 00" for the voice. Note that "10 0E" and "10 00"
> are present, but immediately after the 5C. In all my test bulk messages
> from the AN1x the data size bytes appear to be missing.
> Can any of you shed any light on any of this?
>
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