MIDI SysEx Utility (Syx-Lib)

Syx-Lib lets you send and receive system exclusive (or simply SysEx) messages to and from class-compliant* USB MIDI devices. Simply select a file containing SysEx data to send to a connected device. Or start a manual dump to save incoming SysEx messages.

* This app will not function with devices that require proprietary drivers. Please read the following article for more information:
https://www.sweetwater.com/insync/class-compliant/

COMPATIBLE USB MIDI DEVICES (as tested by users and developer)
• M-Audio USB Midisport Uno
• M-Audio MIDISPORT 1x1
• Roland UM-ONE mk2
• Creative E-MU Xmidi 1x1

INCOMPATIBLE USB MIDI DEVICES
• Roland UM-One mk1
• Yamaha UX16
• VictSing USB IN-OUT MIDI Cable Converter

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Please watch this tutorial of Syx-Lib, which includes a primer on SysEx messaging.
Big thanks to YouTube channel "rejected synths" for making this!

https://www.youtube.com/watch?v=HnJ0ylnUFHI
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Similar programs for Windows/Mac are referred to as SysEx "librarians" or "editors".

Its most common use is to load and save program patches to and from a synthesizer via USB MIDI interface, that is connected to an Android device with an OTG cable like so:

(Phone/Tablet) (Midi Interface) (Synthesizer/Keyboard/Other)

Features
• Send sysex data to a midi device
• Receive sysex data from a midi device and save to internal storage
• Manage sysex files on internal storage

Requirements
• Android version 6.0 and up.
• A class-compliant MIDI device that is recognized by the Android OS and does not require proprietary drivers.

How to send SysEx data
• Connect a class-compliant MIDI device to your Android device.
• If the device is recognized, a dialog will appear. Select a device to connect to. If you want to reopen this dialog at any time, press the MIDI menu icon.
• Once you are connected to a device, simply select a file to send.
• A dialog will show the transmission progress. Press "Back" or anywhere outside the dialog to cancel transmission.

How to receive SysEx data
• Press the "Dump" menu button.
• Instruct your connected MIDI device (i.e. by pushing buttons) to transmit SysEx data.
• Each SysEx message received will be displayed separately in the order they are received. Remove any individual message by pressing the "X" button next to it.
• Press "Save" to stop listening to the output port and save the displayed SysEx messages to a single file.
• If you want to restart a manual dump, press the "Refresh" icon.

Troubleshooting connection issues with MIDI devices
• If your device is recognized but you are unable to send or receive data, try restarting the app. Press the "Exit" menu button and reopen the app.
• Check that your MIDI device is class-compliant. It must be recognized by the Android OS as a MIDI device.

Please email/leave a review to add any devices to the compatibility list.
Contact me if you have any issues.