Audio and MIDI setup

Loudspeaker setup

Midi setup

A Master Midi Keyboard with 88 keys (type Yamaha KX88) is required to trigger programs/events. Download the Midi Keyboard score with all instructions. 

Use BCF-2000 or Lemur to control levels of treatment (change the "Midi device" menu and choose the midi input)

Sliders:

Control 1 [ctlin 7 1] = Ring Modulation 1 level in dB

Control 2 [ctlin 7 2] = Ring Modulation 2 level in dB and Ring Modulation 3 level in dB

Control 3 [ctlin 7 3] = Ring Modulation 4 level in dB

Control 4 [ctlin 7 4] = Ring Modulation 5 level in dB

Control 5 [ctlin 7 5] = Sinus (Tape) level in dB

Control 6 [ctlin 7 6] = Reverberation level in dB

Control 7 [ctlin 7 9] = Alto input level in dB

Control 8 [ctlin 7 10] = Cello input level in dB

Control 9 [ctlin 7 11] = Cor input level in dB

Control 10 [ctlin 7 12] = Trombone input level in dB

Control 11 [ctlin 7 13] = Clarinet input level in dB

Control 12 [ctlin 7 8] = Circuits

Control 13 [ctlin 7 7] = Factorization envelopes length (1 normal length, 2 two times longer, 0.5 two times shorter)

Software installation

1. download patch-64bit.dmg
2. In Max 8, choose .../Nachtmusic/lib in option > File preferences
3. Check the Audio status in Options > Audio Status:
4. Close max and open Nachtmusik\_2019-CGP.maxpat

DSP status

Patch presentation

The three main windows of the concert patch are the main patch, vu-control and * vu-help*. They should all be open during the concert.

The DSP part consists of ring modulation and rhythmic spalization.

Ring modulation

The routing of the ring modulation traitement is divided into three main parts. The alto and cello modulation (rm1, rm2 and rm3), the english horn and trombone modulation (rm4) and finally the clarinet and tape modulation (rm5).

For the first, the audio signal of each instrument could be either modulated by itself or they can be modulated together (cello modulate the alto). A tape signal (called sinus) could be mixed in the modulation.

Then, the signal of the english horn is modulated by the signal of the trombone, and the signal of the clarinet by a tape called sinus.

All the signals are filtered and reverberated in real time.

Spatialization

Sounds are fixed or they move using rhythmic movements.

Movements are controlled by the 9 patches called circuit, BNP and lope. Rhythms are controlled by the patcher generation. The three types of movements can be used at the same time. The global level of the moving sound can be controlled using the slider called circuits.

The sound envelope could be controlled with the fader superfac (midi control 13) which controls factorization of the envelope duration. The bigger superfac is, the longer will be the sound envelope in each HP.

Performance notes

Download and follow the instructions in the Computer Music Designer score.

System calibration and tests

1. Check the DSP status.
2. Check the Midi Keyboard input.
3. Adjust the instruments input level.
4. Listen to the spatialisation. If the sound which goes from one to another HP is too long, decrease the superfactor. However, if you have holes of sound when the sound goes from an HP to another, increase the superfactor (see patch presentation, spatialization above for more details).

Simulation system

The simulation files could be used to test the setup before the rehearsal.

1. Download Patch\_simulation\_nachtmusik and the simulation sound files (Nachtmusik concert adc recording and Nachtmusik rehearsal adc recording)..
2. Put the Patch\_simulation\_nachtmusik and the simulation files, Nachtmusik concert adc recording and Nachtmusik rehearsal adc recording in the same directory .
3. Choose between multitrack recording of the 2005 Concert or of the 2005 rehearsal
4. Use it as a simulation of the adc mic input. Space bar can be used to manually trigger the score cues.

Initialization routine

1. Check all the points explained in the main patch - 1) audio status, 2) midi inputs, 3) Initialize button4)
2. Turn the audio and midi ON.
3. select "Midi keyboard" (from RME fireface or other Midi interface) to select the midi input of the keyboard. 
4. select "Midi controller" for select the bcf2000 or Lemur as midi controller.
5. Click on INIT and choose your next event.