User manual

miniDSP Ltd, Hong Kong / www.minidsp.com / Features and speci fications subject to change wi thout pri or noti ce 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 configurations ...........................................................................................................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 ............................................................................................................................... 15
2.2.3 USB........................................................................................................................................ 15
3 Acoustic Measurement ........................................................................................................................... 16
3.1 Loudspeaker and microphone positioning ....................................................................................... 16
3.2 Preparing for acoustic measurement .............................................................................................. 17
3.2.1 Connections and microphone placement ................................................................................. 17
3.2.2 Subwoofer settings ................................................................................................................. 17
3.3 Configuring for measurement ......................................................................................................... 18
3.3.1 Sound System tab ................................................................................................................... 19
3.3.2 Mic Config tab ........................................................................................................................ 20
3.3.3 Output & Levels tab ................................................................................................................ 21
3.3.4 Custom System configuration .................................................................................................. 22
3.4 Running the measurements............................................................................................................ 23
3.4.1 Listening environment ............................................................................................................ 24
3.4.2 Executing measurements ........................................................................................................ 25
3.4.3 Completing the measurements................................................................................................ 26
3.4.4 Viewing and redoing measurements ........................................................................................ 26
3.5 Saving and loading projects ............................................................................................................ 26
4 Filter Design ........................................................................................................................................... 27
4.1 Working with graphs ...................................................................................................................... 28
4.2 Designing your target curve ............................................................................................................ 30