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SIA Smaartlive User's Manual

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SIA Smaartlive User's Manual Sound System Optimization and Control Software SIA SmaartLiveTM Version 5 for Windows® User Guide Developed by SIA Software Company, Inc. A Mackie Designs Company © Copyright 2000 - 2002 SIA Software Company, Inc. All rights reserved. Printed in USA. This manual, as well as the software described herein, are furnished under license. The content of this manual is furnished for informational use only and is subject to change without notice. SIA Software Company, Inc. assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual or arising from the use of the information contained in this manual or the SmaartLive software. No part of this manual may be reproduced, stored in any retrieval system, or transmit- ted in any form or by any means, electronic, photographic, mechanical, recording or otherwise, without the prior written permission of SIA Software Company, Inc. SIA and SmaartLive are trademarks of SIA Software Company, Inc. SIA-Smaart is a registered trademark of SIA Software Company, Inc. Microsoft® and Windows® are registered trademarks of Microsoft Corporation. Intel® and Pentium® are regis- tered trademarks of Intel Corporation. JBL is a registered trademark of JBL Incorporated. All other products or name brands appearing in this manual or the software described herein are registered trademarks of their respective holders. Contents Chapter 1: Getting Started ................................................................................. 1 System Hardware .......................................................................................................................1 About Computer Sound Hardware ..............................................................................................1 Recommended Configuration ...................................................................................................1 Minimum Configuration ...........................................................................................................1 External Hardware ......................................................................................................................2 SmaartLive Installation Procedure ........................................................................................... 4 Installing SIA SmaartLive for the First Time .............................................................................4 Installation Instructions ...........................................................................................................5 Navigating in SmaartLive .......................................................................................................... 6 The Menu Bar ..........................................................................................................................7 Plot Title and Clock ..................................................................................................................7 Cursor Readout ........................................................................................................................7 The Plot Area ...........................................................................................................................8 Reference Trace Controls .........................................................................................................8 The Device Bar ........................................................................................................................8 On and Pause Buttons..............................................................................................................9 Display Mode Buttons .............................................................................................................9 Mode Specific Controls............................................................................................................9 FFT Parameters .....................................................................................................................10 Spectrograph Range and Time Window Controls ..................................................................10 External Device Controls ........................................................................................................10 System Preset Controls .........................................................................................................11 Signal Generator Controls ...................................................................................................... 11 Signal Level / SPL Display ......................................................................................................12 Input Level Meters .................................................................................................................12 Show / Hide Trace Buttons ....................................................................................................12 Internal Delay Control ............................................................................................................13 Auto Delay Locator Buttons ...................................................................................................13 i Chapter 2: SmaartLive Functions ..................................................................... 14 Spectrum and SPL Measurements ......................................................................................... 14 Spectrum Mode Overview ........................................................................................................14 The RTA Display ........................................................................................................................16 The Spectrograph......................................................................................................................17 The SPL History Display ............................................................................................................18 Spectrum Mode Measurement Parameters...............................................................................20 Averaging ..............................................................................................................................20 Weighting Curves ..................................................................................................................20 FFT Parameters and Frequency Resolution ............................................................................21 FFT Parameters .....................................................................................................................22 Timed Spectral / LEQ Measurements ........................................................................................23 SPL Logging ...........................................................................................................................23 Timed Averaging and Logging................................................................................................23 Frequency Response Measurements ...................................................................................... 26 Transfer Function Overview .......................................................................................................26 The Phase Display .....................................................................................................................28 Unwrapped Phase Display .....................................................................................................29 Deviation from Minimum Group Delay ...................................................................................29 Time Windowing .......................................................................................................................30 Averaging and Smoothing .........................................................................................................32 Averaging Data Types: Vector vs. RMS .................................................................................32 Averaging Schemes ...............................................................................................................32 Smoothing .............................................................................................................................34 Coherence and Coherence Blanking ..........................................................................................34 Coherence Overview ..............................................................................................................34 The Live Coherence Trace ......................................................................................................35 Coherence Blanking ...............................................................................................................36 Magnitude Thresholding ............................................................................................................36 Delay and Impulse Response Measurements......................................................................... 38 Impulse Mode Overview ...........................................................................................................38 How The Impulse Response Recorder Works ........................................................................38 Impulse Mode Measurement Parameters .................................................................................39 Working with Impulse Response Data ......................................................................................40 Automatic Delay Locator...........................................................................................................43
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