Difference between revisions of "Accessing Zynthian from your computer"
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Some examples using the command line tool "
Some examples using the command line tool "":
# send_osc 1370 /CUIA/SCREEN_MAIN
# send_osc 1370 /CUIA/SCREEN_MAIN
# send_osc 1370 /CUIA/LAYER_CONTROL 2
# send_osc 1370 /CUIA/LAYER_CONTROL 2
Revision as of 16:06, 29 March 2022
The easiest way to connect your Zynthian is to use the Ethernet RJ45 connector with a CAT-5 cable to connect your unit to your local network (DHCP) or directly to your computer (Ethernet to Ethernet, aka link-local). Your Zynthian box uses the link-local name "zynthian.local" and the filesystem can be accessed with sftp and scp (If you are using Windows, use Winscp - free software needed to communicate using this Internet protocol).
You can also login with ssh to access the Linux console. see Command_Line_User_Guide (use PuTTY for Windows). The username and default password is:
If the link-local address (zynthian.local) is not found, make sure that the link-local feature is enabled in your system. Sometimes it's disabled and link-local names are not recognized (windows). If you can't manage to get link-local names to work, you can use the Zynthian's IP address. The zynthian's IP address can be found int the UI's "Admin->Network Info" menu, and it's also printed on the zynthian's error screen. See: Finding your IP address
You can connect to your Zynthian using the built-in Wifi Hotspot mode. This is less convenient than using Ethernet or an existing Wifi network, and is mostly useful to configure connections to other wifi networks.
- Open the Admin screen on your Zynthian.
- Select the "Wifi Hotspot" option.
- This will take up to thirty seconds to complete.
- Connect to the "zynthian" network with another device.
- In the Admin screen on your Zynthian, select "Network Info".
- Connect to the displayed IP address with the browser on your other device.
Note that the wifi network created in hotspot mode allows anyone to connect. If using the wifi hotspot in a public place, ensure you've changed your Zynthian password.
Accessing the Web Configuration Tool
You can access the web configuration tool using the web browser from your computer:
- Connect your Zynthian to your local network using the ethernet connector (RJ45) or directly to your computer (Ethernet to Ethernet)
- Open the browser in your computer and type in the address bar:
http://zynthian.local (or the IP address of your Zynthian)
The web config tool will load and ask for the admin password. The default password is "raspberry".
Here are the details on using the Web configuration tool: Configuration_Users_Guide
Wifi credentials can be set via the web config tool: System - Wifi - Add Network. Wifi must be enabled in the Zynthian Gui: press the Back button until you are in the Admin menu. Then select 'Start WIFI'.
Accessing the MOD-UI web interface
You can access the MOD-UI web interface using the web browser from your computer:
- Create a Special Layer with a "MOD-UI" engine from the Zynthian's UI
- Connect your Zynthian to your local network using the ethernet connector (RJ45) or directly to your computer (ethernet to ethernet)
- Open the browser in your computer and navigate to:
The MOD-UI webpage should appear.
When a MOD-UI layer exist, this link is also accessible from the webconf's software menu (reload webconf after creating the layer).
If the link-local address (zynthian.local) is not found, test that the link-local feature is enabled in your system. Sometimes is disabled and local names are not recognized. You can use the zynthian's IP address instead. See: Finding your IP address
Viewing Zynthian UI and Synth Engine Native GUIs on your Computer
Some engines have a native GUI that can be accessed from your desktop/laptop computer. Zynthian provides a VNC viewer for a desktop that allows access to these native GUI. By default VNC is disabled and it is recommended to disable for performance (as it has a small overhead which is best saved for your audio). To enable VNC and access the desktop and engines' native GUI:
- Connect via web browser to webconf
- Navigate to INTERFACE->UI Options
- Assert Enable VNC Server option and press Save
- Reload webconf and navigate to INTERFACE->UI-Engines
- Enter the Zynthian password (default: raspberry)
Note: There is also an option to access the Zynthian main UI by navigating to INTERFACE-VNC UI. This is a mirror of the main UI and may be driven from VNC and/or the physical interface.
The VNC views may be accessed directly via the URLs:
or with a VNC client by connecting to ports:
- 5900 (Main UI)
- 5901 (Engines desktop)software can be launched, like qjackctl or a virtual MIDI keyboard for testing.
Tip: You can automatically connnect and login to web-based VNC by appending parameters to the URL, e.g. http://zynthian.local:6080/vnc.html?autoconnect=true&password=raspberry
Supported Engines with Native GUI
Currently ZynAddSubFX, Aeolus, Pianoteq and Pure Data have support for remotely displaying their native GUIs, which is launched automatically when layer is created. Other GUI
Uploading your presets/soundfonts to Zynthian
The easiest way of getting your presets & soundfonts inside your zynthian is by using the webconf's preset manager:
From there you manage your preset & soundfont libraries: renaming, deleting, and uploading, including automatic conversion from some native formats:
- DX7 SysEX files
- OBXd FXB files
- synthv1 native format
- padthv1 native format
If if this doesn't work for you, or you prefer to do it by hand, you can copy your presets/soundfonts/pedalboards into the next folder:
This is the subfolder structure:
+ presets + zynaddsubfx + puredata + pianoteq + lv2 + mod-ui + soundfonts + sf2 + bank-1.sf2 + ... + bank-n.sf2 + sfz + bank-1 + sfz-bundle1 + ... + sfz-bundle2 + ... + bank-n + gig + bank-1 + instrument-1.gig + ... + instrument-n.gig + ... + bank-n + snapshots + capture
SFZ and GIG soundfonts are used with LinuxSampler. SF2 soundfonts are used with FluidSynth. SFZ and GIG soundfonts must be organized in 'bank' subfolders. SF2 files are considered "banks" by itself.
If you have doubts of how to store your data, take a look in this directory:
Here you will find the same folder structure, and could help you to understand.
Also it's interesting:
If you are really interested, you could, for instance, edit the setBfree configuration, and change the CC assignments, etc.
Open Sound Control (OSC) is a protocol for networking sound synthesizers, computers, and other multimedia devices for purposes such as musical performance or show control. Zynthian implements OSC in various ways.
CUIA: Callable User Interface Actions
The CUIA is an unidirectional remote API that can be used to send simple control messages to zynthian UI. The CUIA can be accessed in several ways, as described in the user's guide and this section explains how to access the CUIA using OSC on port UDP 1370.
The OSC base path for CUIA messages is:
Note that CUIA paths are case insensitive, e.g.
is interpreted the same as
Some examples using the command line tool "send_osc":
# send_osc 1370 /CUIA/SCREEN_MAIN # send_osc 1370 /CUIA/LAYER_CONTROL 2
An example Python script to start a MIDI recording:
import liblo liblo.send(('zynthian.local', 1370), "/CUIA", ('s', 'START_MIDI_RECORD'))
And finally, the full list of CUIAs:
|SELECT||%i||Highlight an element in the list|
|LAYER_CONTROL||%i||Set active layer to %i and show control screen|
The TouchOSC protocol is supported if the option is enabled in the Zynthian admin menu. This accepts OSC on port 12101 using UDP datagrams and includes raw MIDI data interpretation on OSC path
This path accepts an OSC MIDI type message. An example Python script to send MIDI note on / off messages:
import liblo import time cmdNoteOn = 0x90 cmdNoteOff = 0x80 note = 60 vel = 100 liblo.send(('zynthian.local', 12101), "/midi", ('m', (vel,note,cmdNoteOn,0))) time.sleep(1) liblo.send(('zynthian.local', 12101), "/midi", ('m', (0,note,cmdNoteOff,0)))