TH 1551
Sound for the Theatre

Lab #9
Introduction to Signal Processing

Yamaha OM1V96V2 Ddigital Sound Console
Yamaha O1V96V2
Digital Sound Console

Purpose: To introduce recording and signal processing with the Yamaha 01V96v2 digital control console.

Set up for lab:
Note:  The following pin patch is needed:

MD (113,114) or CD (111,112) to AD 1 (169) & AD 2 (170)
Omni out 1 and 2 (189, 190) to MD in L & R (115, 116)

Note: A patch schedule is taped to the back wall of the Main-stage sound booth with patch information for other devices and outputs.

New Vocabulary
Aux - Additional line level output used for a myriad of tasks
Bus - Output signal sent to amplifiers
Softpatch - Using software to direct and control signal flow
PFL - (Pre Fade Level) signal is bypassing fader
Dry - pure unadulterated signal
Wet - altered signal

The key for troubleshooting on a digital console is being able to follow signal flow.  A basic signal routing display can be found by repeatedly pressing the Home button.  While the display can seem cryptic, it can show internal components that would normally be multiple send/return devices for an analog board.  Use the Home meter display to see how far signal is progressing through the console.  The output display can be found by switching layers while in the home screen. 



Words in Italics are buttons to push.

Part 1 Setting input levels

  1. Turn on the Yamaha O1V96v2 by pressing the power button on the back of the board.
  2. Select the Scene Memory # 1 “UMD Default by using the arrows in the Scene Memory box above the selector wheel.
  3. Push Recall to load the scene. A message should flash that the scene has been loaded.                     

Note: If the scene shows Ud instead of a number, Press Recall to restore the last loaded scene.  

  1. Push Layer 1-16 to select input channels 1-16.  The green light indicates it is selected.
  2. Push ON on inputs 1 and 2.
  3. Press play.
  4. Use Pad and trim to prevent clipping (the red Peak light by the inputs).
  5. Set good listening levels.

Note: The STEREO fader on the right of the faders controls the volume of the booth monitors.

Part 2 Sending Signal to all 4 onboard effects processors

  1. Push Aux 5 and set AD 1 & 2 to 0 dB.
  2. Repeat step 9 for Aux 6-8.
  3. Press Home.
  4. Press Master to switch to the output layer.
  5. Press On for Aux outputs 5-8 (Layer 3 Effect 1s to Effect 4s).
  6. Set Aux 5-8 to 0 dB.

Note: Aux 5-8 are set up as PFL and are not affected by input fader level.

  1. Press 1-16.
  2. Press On on inputs AD 13-16.

Play your source and check that faders 1&2, and 13-16 are registering signal.

Part 3 Recording to MD

  1. Insert a MD into the recorder and press record.
  2. Press Master to select outputs.
  3. Press On on Aux 1 (MD L) and 2 (MD R).
  4. Set both to 0 dB.
  5. Press 1-16.
  6. Press Aux 1 and set AD 1 and 2 to 0 dB.
  7. Press Aux 2 and set AD 13-16 to 0 dB.
  8. Press Master.
  9. With the source playing, set recording levels by changing Aux outputs 1 and 2.
  10. Record 15 sec of 100% dry music to the left track on the MD.
  11. Record 15 sec of 100% wet music to the right track on the MD.
  12. Record 15 sec of both wet/dry signal (still R and L).


  1. Recall scene “UMD Default”.
  2. Turn of amplifiers.
  3. Turn off board.