User manual
Table Of Contents
- Important Information
- 1 Product Overview
- 2 Installation and Setup
- 3 Acoustic Measurement
- 4 Filter Design
- 5 Using the DDRC-88A audio processor
- 6 Optimizing gain structure
- 7 Additional Information

  PRELIMINARY AND SUBJECT TO CHANGE  
miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice  35 
5  USING THE DDRC-88A AUDIO PROCESSOR 
Once the desired correction filters have been downloaded into the DDRC-88A audio processor, the computer is 
not required and can be disconnected. The front panel and/or an infrared remote can be used to control: 
 Filter set selection 
 Master volume 
 Master mute (remote control only) 
 Dirac Live® filtering bypass (remote control only) 
5.1  STATUS INDICATORS 
The current status of the DDRC-88A is indicated by a set of LEDs: 
Dirac Live  Dirac Live® filtering is enabled. 
Filter Set  Indicates the currently selected filter set (1 through 4). 
5.2  FRONT PANEL CONTROLS 
The DDRC-88A audio processor uses a minimalist physical control design with a single control knob. 
To change the volume 
  Rotate the control knob clockwise to increase the volume, and counter-clockwise to decrease it. 
To change the selected filter set 
  Briefly press the control knob. The Filter Set LED blinks quickly. Rotate the control knob until the 
desired filter set LED is blinking. Press the control knob again, and the selected LED will remain 
steady. 










