User manual

PRELIMINARY AND SUBJECT TO CHANGE
miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice 3
TABLE OF CONTENTS
Important Information ......................................................................................................................................... 5
System Requirements ...................................................................................................................................... 5
Disclaimer/Warning ......................................................................................................................................... 5
Warranty Terms ............................................................................................................................................... 5
FCC Class B Statement...................................................................................................................................... 5
CE Mark Statement .......................................................................................................................................... 6
Package Contents ............................................................................................................................................ 6
A Note on this Manual ..................................................................................................................................... 6
1 Product Overview .......................................................................................................................................... 7
1.1 Typical system configuration ................................................................................................................ 7
1.2 How Dirac Live® works ......................................................................................................................... 8
1.3 DDRC-88A / Dirac Live® configuration steps ........................................................................................ 10
2 Installation and Setup .................................................................................................................................. 11
2.1 Software installation and license activation ........................................................................................ 11
2.1.1 Framework installation ............................................................................................................... 11
2.1.2 Software installation ................................................................................................................... 11
2.1.3 License activation ....................................................................................................................... 12
2.1.4 License validation ....................................................................................................................... 13
2.2 Hardware connectivity ....................................................................................................................... 14
2.2.1 Analog input and output ............................................................................................................. 14
2.2.2 DC Power .................................................................................................................................... 16
2.2.3 USB ............................................................................................................................................. 16
3 Acoustic Measurement ................................................................................................................................ 17
3.1 Loudspeaker and microphone positioning .......................................................................................... 17
3.2 Connections for acoustic measurement .............................................................................................. 18
3.3 Configuring for measurement ............................................................................................................. 19
3.3.1 Sound System tab ....................................................................................................................... 20
3.3.2 Mic Config tab ............................................................................................................................ 21
3.3.3 Output & Levels tab .................................................................................................................... 22
3.4 Custom system configuration ............................................................................................................. 22
3.5 Running the measurements ................................................................................................................ 23
3.5.1 Listening environment ................................................................................................................ 24
3.5.2 Executing measurements ............................................................................................................ 25
3.5.3 Completing the measurements ................................................................................................... 26
3.5.4 Viewing and redoing measurements ........................................................................................... 26
3.6 Saving and loading projects ................................................................................................................ 26
4 Filter Design ................................................................................................................................................ 27
4.1 Working with graphs .......................................................................................................................... 28
4.2 Designing your target curve ................................................................................................................ 30
4.2.1 The Auto Target .......................................................................................................................... 30
4.2.2 Editing the target curve .............................................................................................................. 30