The setup and the execution of the electroacoustic part of this work requires a Computer Music Designer (Max expert).

Version Information

Performance date
13 novembre 2008
Documentation date
13 novembre 2008
Version
Premiere
Status
valid
Validation date
3 mai 2018
Length
25 min
Comment
This version was also performed during the Manca festival in Nice, the 16/11/2008.

No other versions

Detailed Staff

cello, viola, second violin, violin

Detailed staff comes from Brahms, send mail to ressources-contenus@ircam.fr for correction.

Electronic Equipment List

Computer Music Equipment

2 Fireface 800
Sound Board (RME)
1 BCF 2000
MIDI Mixer (Behringer) - [Nb of channels:9]
4 XBEE wireless receiver
Wifi Access Point (Ircam) - on stage as close as possible from the musicians
2 Ethernet switch
Switch (generic) - 1 on stage, 1 close to the mixing desk
1 MacBook Pro
Apple Laptops (Apple) - for sound processing [CPU clock:2.4] [CPU number:2] [CPU type:Intel Core 2 Duo] [RAM quantity:2000] [Note-Book:1]
1 Amplitube
Music Software (IK Multimedia) - audio plugin for distorsion effect

Musical Instruments

4 Ircam extended bow
Motion Capture (Ircam)

Downloads

streicherkreis max patches

74.32 Mo

FTM.2.3.6-Max46ub.dmg

commentaire

IMTR library, this is the requested version

33.03 Mo

streicherkreis-form

Florence Baschet

403.33 Ko

Espro Setup

Maxime Lesaux

242.42 Ko

Nice Setup

Maxime Lesaux

1.91 Mo

sound engineer cue list

Maxime Lesaux

48 Ko


Instructions

Install - installation procedure

On the gesture follower machine

copy the Quatuor folder on the hard disk

Install FTM version 2.3.6 (10/2008)

launch MaxMSP version 4.6.3

set the File Preferences to point to the following folders :

  • Quatuor/Follower2008/
  • Quatuor/quatuor-lib/
  • Quatuor/quatuor-snd/

Check the DSP Status panel (FireFace 800, IOVector size 128, Signal Vector Size 128, overdrive on)

set the IP static address of this machine to 10.0.0.1

On the sound processing computer

  • copy the Quatuor folder on the hard disk
  • install Amplitube
  • launch MaxMSP version 4.6.3
  • set the File Preferences to point to the following folders : Quatuor/quatuor-lib/ Quatuor/quatuor-snd/
  • Check the DSP Status panel (FireFace 800, IOVector size 1024, Signal Vector Size 256, overdrive on)
  • set the IP static address of this machine to 10.0.0.11
  • Check the IP connexion
  • Check and calibrate the sensors

Initialization - before playing

On the sound processing computer

  • Switch to Single CPU mode using the Processor panel
  • Start MaxMsp 4.6.3
  • Check the DSP Status
  • Start the quatuor91 patch
  • Test the mixer midi by opening the patcher mixer
  • Turn DSP on
  • ”Init” using the event menu
  • Load the 3 presets in the Amplitube vst plug-in located in the distorsion subpatcher
patch screenshot

On the gesture follower computer

  • Start MaxMsp 4.6.3
  • Check the DSP Status
  • Start the patch SDG03.20
  • In patcher “record” toggle on OSC
  • Check the UDP connexion between the 2 computers
  • Turn DSP on
Score Follower screenshot

Hardware setup - sensor calibration

Check the reception of the Xbee Wireless transmitters

Ask the musicians to set up the tensions of their bows, then carefully adjust the pressure sensors using a small screwdriver

StreicherKreis augmented bows

Xbee receivers

Spécification des presets amplitube utilisés

Amplitube Signal Chain

Le paramètre “chain” contrôle les connexions des modules.

Ce paramètre est à 0, (ce qui correspond au preset 1)

Les modules utilisés sont donc :

  • StompA et B (toujours vides)
  • AmpA
  • CabA
  • RackA
  • RackB (toujours vide)

Presets

3presets différents sont utilisés :

fbq-sectionA : pour les sections A F H I J

sectionBnew : sections B et C

sectionE1-Bass : section E


Parameters

cf AmplitubePresets.xls

preset            
fbq-sectionA    
Bass="5.000000" Ambience="0.000000" GateRelease="200.000000"      
    GateThreshold="0.000010"      
EqModel="BritishTubeLead2" CabinetModel="4x12 Closed Modern1"        
Gain="5.000000"          
Mid="5.000000"     Rack0="Empty"    
  MicAxis="0.000000"        
OutputVolume="1.000000" MicDist="0.000000"        
PowerAmpModel="100WEL34" MicModel="Condenser 87"        
PreAmpModel="BritishTubeLead2"          
Presence="8.593750"          
Reverb="1.250000"          
Treble="5.000000          
Volume="5.000000          
             
             
             
             
sectionB-new  
Bass="7.890625" Ambience="0.000000" GateRelease="140.625000"   BassFreq="100.000000"  
    GateThreshold="0.000010"   BassGain="1.000000"  
EqModel="BritishTubeLead2" CabinetModel="4x12 Closed Vintage2"     BassQ="0.700000"  
Gain="1.640625"       Bypass="0.000000"  
Mid="8.515625"     Rack0="ParametricEq" HighFreq="17010.515625"  
  MicAxis="1.000000"     HighGain="0.598885"  
OutputVolume="2.186974" MicDist="0.000000"     HighQ="0.768893"  
PowerAmpModel="100WEL34" MicModel="Dynamic 421"     MidFreq="3459.891846"  
PreAmpModel="BritishTubeLead2"       MidGain="1.963219"  
Presence="5.234375"       MidQ="0.344842"  
Reverb="1.250000"       Mute="0.000000"  
Treble="1.5625"       OutLevel="1.0  
Volume = 7.18          
             
             
             
             
             
sectionE1-bass
Bass="8.515625" Ambience="10.000000" GateRelease="200.000000"   Balance="52.343750" Attack="68.593750"
    GateThreshold="0.000010"   Bypass="1.000000" Bypass="1.000000"
EqModel="BassPreampEq" CabinetModel="1x15 Bass Vintage"     Drive="20.312500" Drive="3.289936"
Gain="5.156250"       Mix="100.000000" Mute="0.000000"
Mid="3.203125"     Rack0="RotarySpeaker" Mute="0.000000" OutLevel="1.000000"
  MicAxis="0.000000"   Rack1="TubeCompressor" OutLevel="1.000000" Ratio="2.953125"
OutputVolume="1.000000" MicDist="0.000000"     Speed="7.800000" Release="725.000000"
PowerAmpModel="100W6L6" MicModel="Dynamic 57"     /> />
PreAmpModel="BasPreAmp          
Presence="10."          
Reverb="0."          
Treble="5."          
Volume = 4.69          

Updated at

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