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Version 4.3

U s e r ’ s G u i d e

T u t o r i a l

EASE Software © Copyright ADA (Acoustic Design Ahnert), Germany

RH 670

October 2009

Version 4.3.6

EASE 4.3 User’s Guide & Tutorial

Licensing Agreement

The software and/or databases described in this document are furnished under a license agreement or nondisclosure agreement. No part of this document and/or database may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose other than the purchaser’s personal use, without the written permission of Renkus-Heinz, Inc. (hereinafter referred to as Renkus-Heinz.)

Limited Warranty

Renkus-Heinz and ADA have made every effort to ensure the accuracy of this manual and make no warranties with respect to this documentation and disclaim any implied warranties of merchantability or fitness for a particular purpose. Information in this document is subject to change without notice. Renkus-Heinz and ADA make no warranties that such files and features as mentioned in this documentation exist on the distribution disks or as part of the materials distributed.

The Loudspeaker Database

The loudspeaker database supplied with your copy of EASE contains data from numerous loudspeaker manufacturers in addition to data from Renkus-Heinz. Renkus-Heinz and ADA have given all loudspeaker manufacturers equal opportunity and instructions for supplying loudspeaker data. If you require loudspeaker data not currently supplied with EASE, or if you have problems with the supplied data, please contact that manufacturer directly. As a matter of policy, Renkus-Heinz and ADA include data as supplied by the loudspeaker manufacturers and assume no responsibility for its accuracy.

Trademarks

EASE, EASE JR, EARS, AURA and ADA are registered trademarks of Acoustic Design Ahnert.

Windows 98, 2000, XP & NT, Vista DOS, DirectX and Windows are registered trademarks of Microsoft.

AutoCAD is a registered trademark of Autodesk.

LAKE Convolution is a registered trademark of Lake Technology Limited.

CADP is a registered trademark of JBL Professional.

VMAx Virtual Home Theater is a registered trademark of Harman International.

Copyrights

ADA (Acoustic Design Ahnert) Berlin, Germany

Technical Support

If you have a question about EASE or run into a problem and cannot find the answer in this manual or on our website, call our Technical Support staff. Before you call, please:

Review the subject in this manual. Have your User ID number handy and know what version number you are using. You will find the User ID number on the rear of your EASE & EASE Guard CD jewel cases. The version number can be found in the About screen under the Help pull down menu.

Have a clear description of the problem and the wording of any error messages. Call from a telephone located near your computer and have your computer running, so you can refer to the screen during the call.

For EASE , EASE JR, EARS, and AURA support: call +1 949 588 9997, Monday through Friday between 8:00 AM and 5:00 PM Pacific Time and ask the operator for technical support on EASE or e-mail us at http://www.renkus-heinz.com/support/request-info/ tech-info/index.html.

For IR InfraRed Technical Support: call +1 763-493-5835, Monday through Friday between 8:30 AM and 5:00 PM Central Time and ask for Bruce Olson.

	Chapter 1: Installation and Registration
TABLE OF CONTENTS
Section 1: Installation and Registration ...................................................................................	2
General Information...............................................................................................................	2
Licensing & Trademark Information.......................................................................................	2
Technical Support .................................................................................................................	2
Table of Contents...................................................................................................................	3
Installation Instructions..........................................................................................................	8
Registration Instructions .......................................................................................................	12
User ID Number.............................................................................................................	12
Reference File ........................... ..................................................................................	12
License File ..................................................................................................................	12
Obtaining a License Key ..............................................................................................	12
Licensing By File ..................................................................................................................	15
Exporting / Importing License Keys......................................................	........................ 16
Terminating (Removing) License Keys .........................................................................	17
Protect License .....................................................................................................................	17
Program Updates ................................................................................................................	17
Speaker and Material Database Updates ............................................................................	18
Recovering Lost License Keys .............................................................................................	19
Section 2. Overview ...................................................................................................................	21
General Information ..............................................................................................................	22
Key Commands ....................................................................................................................	22
Help Files .............................................................................................................................	24
EASE 4.3 Manual .................................................................................................................	24
Starting EASE ......................................................................................................................	25
Opening a Project .................................................................................................................	28
Project Data Files .................................................................................................................	29
Terminology ..........................................................................................................................	31
Viewing a Project ..................................................................................................................	32
Using The Walker .................................................................................................................	34
Electro-Acoustic Calculations (Mapping) ..............................................................................	35
Calculation Setup Menus .............................................................................................	35
Area Mapping ...............................................................................................................	38
Section 3. Constructing A Model .............................................................................................	41
Naming a Project ..................................................................................................................	42
Open & Closed Rooms..........................................................................................................	43
Symmetrical Modeling ..........................................................................................................	43
Loading Loudspeaker & Wall Material Databases.................................................................	44
Printing Wall Material Database ...........................................................................................	45
Room Modeling Techniques .................................................................................................	46
Room Entry ..........................................................................................................................	48
Edit Project Options ..............................................................................................................	50
Entering Vertices ..................................................................................................................	53
.

EASE 4.3 User’s Guide & Tutorial

Section 3: Constructing A Model (continued)
Entering Faces .....................................................................................................................	54
Making Steps ........................................................................................................................	57
Adding Seating Areas (Using the Coat Feature) ..................................................................	60
Adding Audience Areas ........................................................................................................	62
Adding Listener Seats ..........................................................................................................	62
Closing a Room ....................................................................................................................	63
Reverb Times ...............................................................................................................	64
Finding and Fixing Holes ......................................................................................................	65
Adding Loudspeakers ...........................................................................................................	68
Aiming Loudspeakers ...........................................................................................................	70
Mapping ................................................................................................................................	71
Adding / Changing Face Colors ............................................................................................	75
Section 4: Advanced Modeling Techniques ..................................................................................	77
Adding Doors and Windows .................................................................................................	78
Using Edges & Vertex On Face Margin ................................................................................	79
Finding Unknown Coordinate Locations ...............................................................................	80
Distance Calculations ...........................................................................................................	83
Create Shape Examples (Using Create Shapes) .................................................................	84
Creating Curved Surfaces .....................................................................................................	86
Using Extrude .......................................................................................................................	87
.Creating Rooms with Curved Ceilings and Walls .................................................................	89
Quitting the Symmetrical Modeling Mode .............................................................................	95
Cutting a Face into Two Parts ...............................................................................................	95
Adding Interior Shapes..........................................................................................................	97
Using Extrude Faces ..................................................................................................................	98
Adding Doors and Windows .................................................................................................	99
Using Coat Feature .......................................................................................................	99
By Modeling into a Wall .................................................................................................	99
Using Sequence ....................................................................................................................	100
Using Insert Audience Area ..................................................................................................	101
Adding Loudspeaker Grids ...................................................................................................	102
Adding Steps & Bleachers .....................................................................................................	105
Using Prototype Rooms ........................................................................................................	108
Prototype Room Models .......................................................................................................	110
Using Objects .......................................................................................................................	122
	129
Cluster Construction ..................................................................................................................
	130
Introduction ...........................................................................................................................
	130
Using Main Speaker Base......................................................................................................
	137
Using Edit Project ..................................................................................................................
	138
Using Cluster Objects ...........................................................................................................
	139
Creating CASE Drawings ......................................................................................................
	141
Creating New Loudspeaker Files ..........................................................................................

	Chapter 1: Installation and Registration
Chapter 6: Import / Export Capabilities	143
Introduction ...........................................................................................................................	144
Import EASE 2.1 ...................................................................................................................	144
Export EASE 3.0 Project ......................................................................................................	144
Import CADP2 ......................................................................................................................	145
Import ASCII .........................................................................................................................	145
Import ASCII (EASE 2.1) ......................................................................................................	145
Export ASCII .........................................................................................................................	145
Import DXF / SKP Files ........................................................................................................	145
Export DXF Files ..................................................................................................................	145
Export SKP Files ..................................................................................................................	145
Computer-Aided-Design (CAD) File Transfer .......................................................................	146
Exporting DXF Files from EASE ..........................................................................................	146
Importing EASE DXF Files into AutoCAD ............................................................................	147
Exporting SKP Files from EASE ...........................................................................................	148
Importing EASE SKP Files into Sketchup ............................................................................	148
Importing AutoCAD DXF Files into EASE ............................................................................	149
Importing Google Sketchup SKP Files into EASE ................................................................	152
Helpful Hints for non-AutoCAD users ...................................................................................	155
Chapter 7: Using Optimize RT .................................................................................................	157
Optimize RT .........................................................................................................................	158
Chapter 8; Vision .......................................................................................................................	161
Introduction............................................................................................................................	162
Using Vision .........................................................................................................................	165
Creating New Lamps (Light Source Editor) ..........................................................................	170
Creating a New Texture (Texture Editor) ..............................................................................	172
Assigning Textures to the Model ..........................................................................................	176
Section 9; Room Investigations ..............................................................................................	179
New Mapping Conventions ..................................................................................................	180
New Level Conventions .......................................................................................................	180
Area Mapping .......................................................................................................................	180
Moving Audience Areas ........................................................................................................	183
Mapping ...............................................................................................................................	183
Setup Options (Area Mapping) .............................................................................................	183
Display Methods ..................................................................................................................	186
View Calculations Window ...................................................................................................	188
Display Measures .................................................................................................................	191
Direct SPL ....................................................................................................................	191
STI Speech Transmission Index ...................................................................................	192

EASE 4.3 User’s Guide & Tutorial

Section 9: Room Investigations (continued)
ALcons / Articulation Loss ............................................................................................	194
C Measurements (C7, C50, C80, Csplit) ......................................................................	194
D/R Ratio ......................................................................................................................	195
Critical Distance ...........................................................................................................	196
Pressure Levels (L7, L50, L80, Lsplit) ..........................................................................	196
Sum / Total SPL ............................................................................................................	196
Arrival Times .................................................................................................................	196
Lspk Overlap ................................................................................................................	197
ITD Gap ........................................................................................................................	197
Aiming ..........................................................................................................................	198
Auralize Direct Sound ...................................................................................................	198
Ray Tracing ..................................................................................................................	200
View Trace File .............................................................................................	203
Movies ..........................................................................................................................	206
Room Mapping .....................................................................................................................	207
Section 10: Advanced Acoustical Investigations ...................................................................	209
Local Decay Time .................................................................................................................	210
Standard Mapping With Reflections .....................................................................................	212
Local Ray Tracing .................................................................................................................	213
Ray Tracing Impacts ............................................................................................................	214
View Impact File ...................................................................................................................	217
Acoustical Probe ..................................................................................................................	217
Display Types ...............................................................................................................	218
RT Displays & Schroeder RT ........................................................................................	222
Mirror Image Impacts ...........................................................................................................	225
Split Impact File ....................................................................................................................	226
Update Impact File ...............................................................................................................	226
Section 11: AURA	227
AURA Introduction ................................................................................................................	228
AURA Mapping .....................................................................................................................	231
Calculation Setup Parameters ......................................................................................	232
Echograms ...................................................................................................................	236
EDT (Early Decay Time) ...............................................................................................	237
T Measures (T10, T20, T30) .........................................................................................	238
Definition.......................................................................................................................	238
C50 ...............................................................................................................................	239
Articulation Loss (ALcons) ............................................................................................	239
Speech Transmission Index (STI) ................................................................................	240
C80 ...............................................................................................................................	241

Chapter 1: Installation and Registration

Chapter 11: AURA (continued)
Center Time ..................................................................................................................	241
LF Lateral Fraction & LFC Lateral Fraction Coefficient Measures ...............................	242
Sound Strength ............................................................................................................	243
Echo Speech ................................................................................................................	243
Echo Music ...................................................................................................................	244
Echograms ...................................................................................................................	244
Echo Speech (Time) .....................................................................................	244
Echo Music (Time) ........................................................................................	244
Histograms ...................................................................................................................	245
Particle Loss Method ............................................................................................................	246
AURA Response ..................................................................................................................	248
Setup Parameters ........................................................................................................	249
Scattering Wizard .................................................................................................................	252
Chapter 12: Auralization ...........................................................................................................	255
Auralization ...........................................................................................................................	256
Step 1. Creating the Reflectogram .......................................................................................	256
Step 2. Adding a Tail to the Reflectogram ............................................................................	258
Using Add Random Tail ................................................................................................	258
Using Predicted Impacts ..............................................................................................	260
Step 3. Combining the Reflectogram with the Characteristics of Hearing ............................	262
Step 4. The Final Convolution ..............................................................................................	264
EARS Options ......................................................................................................................	266
EARS RT Real Time Auralization .........................................................................................	268
Chapter 13. IR Infrared ................................................................................................	273
IR Infrared ............................................................................................................................	274
Inserting IR Emitters .............................................................................................................	274
Calculations ..........................................................................................................................	276
Creating New IR Devices .....................................................................................................	280
Radiators ......................................................................................................................	280
Modulators ....................................................................................................................	282
Chapter 14: SpeakerLab ..............................................................................................
Appendix
I. Equipment Requirements
II.
Index

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