JAM

An experiment about joint action in music.

download

with a git gui client

clone https://github.molgen.mpg.de/twinter/JAM, make sure the submodules are cloned as well

with the git command line client

open a terminal in the directory where you want to have the files
run git clone --recursive https://github.molgen.mpg.de/twinter/JAM

without the above (not recommended)

download from https://github.molgen.mpg.de/twinter/JAM
download and extract it somewhere
open the Python folder in the downloaded files
download https://github.molgen.mpg.de/twinter/mr_keyboard
extract its contents in the mr_keyboard folder
download https://github.molgen.mpg.de/twinter/serial2midi
extract its contents in the serial2midi folder

update

Use you git GUI client or git pull -r when you're in the JAM folder.

You have to download it again if you don't have git.

usage

in the scanner

what you need to connect

midi->serial box:
- USB and serial in rubikon
- midi cable that lies around
notebook
- HDMI (left side of the notebook)
- VGA (back)
- USB to the triggerbox
- audio jack for the mixer (next to HDMI)
- network cable (behind the flap named "I/O")
- power
triggerbox of the MRI
- exchange the USB power cable there (top left of the box) with the USB cable connected to the notebook (try not to touch the cable below!)
camera
- power adaptor
- video dongle
power to the following
- mr-keyboard (heart)
- mixer
- midi->audio box (mr midi)
- the yamaha piano

startup

turn on the yamaha piano
start the python program on rubikon (you should be able to use your own login, if not: use user/user)
- open a terminal in the Python folder (the one containing experiment.py)
- if you haven't used it in a while (or it sounds like a lot of keys are pressed at random or you get loads of "value out of bound" errors) calibrate it before using it (step below with appended -c flag)
- run the experiment with python3.6 experiment.py (if you want to see more information: add -vvv)
- if your'e asked for a network interface: select the one called "enp6s0"
- if you see errors like "write timeout": disconnect the mr keyboard from the power, wait a bit and connect it again
- if it asks you what primary midi out to use: use the one with a name like "USB Device 0x…"
- set the secondary midi in to "serial2midi_ttyS4" and out to the same as above (it should show tell you about "1 user(s)" already on the device
configure the windows notebook
- ensure the screens are properly set up (right click on desktop -> screen resolution) ("EPSON PJ" is the beamer in the scanner, "SyncMaster" is the screen on the yamaha piano)
- make sure the screens other than the notebooks own are set to 1280x1024
- test (and correct the correct screen assignment in Presentation (settings tab -> video -> multiple stimulus displays)
start the Presentation script
- start presentation with a double click on JAM.exp (this should start the "real" mr keyboard script on the python computer, i.e. something will happen in the terminal there)
- run the presentation script

mock up

what you need to connect

notebook
- power
- HDMI (left side)
- VGA (rear left)
- audio (left, next to HDMI)
- USB (form midi->serial box)
midi->serial box
- midi from the rack

required modifications

This may not be a complete list, add missing points (or notify me so i can add them)!

enable fMRI emulation in JAM.sce (should be in the upmost couple of lines)
check if the serial input is configured correctly (see the readme in the Presentation folder)
check if you have to enable screen mirroring (in the parameters tab in Presentation)

startup

the rack
- power up the rack
- turn off the harddisk recorder (see instructions on top of the rack)
turn on midi keyboard
notebook
- set up screens in Windows and Presentation (see above)
- rotate the "mri" screen in the windows display settings (same menu as above)
start the Presentation script

twinter/JAM

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