miniDSP Ltd – Hong Kong / Email :
info@minidsp.com
/ Features and specifications subject to change without prior notice
3
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ONTENTS
Important Information ......................................................................................................................................... 5
System Requirements ...................................................................................................................................... 5
Disclaimer/Warning ......................................................................................................................................... 5
Warranty Terms ............................................................................................................................................... 5
Package Contents ............................................................................................................................................ 6
A Note on this Manual ..................................................................................................................................... 6
1 Product Overview .......................................................................................................................................... 7
1.1
Typical system configurations ............................................................................................................... 7
1.2
How Dirac Live® works ......................................................................................................................... 8
1.3
The Dirac Series / Dirac Live® design process ...................................................................................... 10
2 Installation and Setup .................................................................................................................................. 11
2.1
Hardware connectivity ....................................................................................................................... 11
2.1.1
Digital audio connections (DDRC-22D) ........................................................................................ 11
2.1.2
Analog audio connections (DDRC-22A) ........................................................................................ 11
2.1.3
DC Power .................................................................................................................................... 12
2.1.4
USB ............................................................................................................................................. 12
2.2
Software installation and license activation ........................................................................................ 13
2.2.1
Framework installation ............................................................................................................... 13
2.2.2
Software installation ................................................................................................................... 13
2.2.3
License activation ....................................................................................................................... 13
2.2.4
License validation ....................................................................................................................... 14
3 Acoustic Measurement ................................................................................................................................ 15
3.1
Loudspeaker and microphone positioning .......................................................................................... 15
3.2
Connections for acoustic measurement .............................................................................................. 16
3.3
Configuring for measurement ............................................................................................................. 17
3.3.1
Sound System tab ....................................................................................................................... 18
3.3.2
Mic Config tab ............................................................................................................................ 18
3.3.3
Output & Levels tab .................................................................................................................... 19
3.4
Running the measurements ................................................................................................................ 20
3.4.1
Listening environment ................................................................................................................ 20
3.4.2
Executing measurements ............................................................................................................ 21
3.4.3
Viewing and redoing measurements ........................................................................................... 22
3.4.4
Completing the measurements ................................................................................................... 22
3.5
Saving and loading projects ................................................................................................................ 22
4 Filter Design ................................................................................................................................................ 23
4.1
Working with graphs .......................................................................................................................... 23
4.2
Designing your target curve ................................................................................................................ 25
4.2.1
The Auto Target .......................................................................................................................... 25
4.2.2
Editing the target curve .............................................................................................................. 26
4.2.3
Guidelines for target curve design .............................................................................................. 27
4.2.4
Saving and loading target curves ................................................................................................. 28
