Huron & SNAP Documentation

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THE ENGINEERING TOOLS • 1 96kHz Digital to Analogue converter. This converter must support data formatted as odd and even samples of the left and right channels of a standard AES/EBU system. The measurement of an audio system at 96kHz requires a test signal generated by the <strong>Huron</strong> to be sent from the digital output to a Digital to analogue converter into the system to be measured. The signal is returned to the <strong>Huron</strong> via an Analogue to digital converter and the Digital Input Module. The response represents the IR of the system, and can be used to create a finite impulse response file (*.SIM, *.001) file that may be used in other Lake Applications. Figure 63 — A schematic of connections to the 96kHz Measurement tool Patching the 96kHz Measurement Tool For each instance of 96kHz Measurement, the 96kHz Measure will output a signal as two 48kHz streams of data. Each stream carries either the odd samples or the even samples of the 96kHz signal. After being transmitted the signal is captured via a microphone the signal is then piped to the Measure tool from the 96kHz Analogue to Digital (A/D) converter and the synchronous AES/EBU digital input module (I/O module). Every separate microphone (each of which will generate an impulse response) requires an A/D converter and a synchronous digital I/O module. Figure 64 — Patching a channel of the 96kHz Measurement tool correctly HURON TECHNICAL MANUAL PAGE 206
Loading the 96kHz Measurement Tool THE ENGINEERING TOOLS When loading the 96kHz Measurement tool the following guidelines should be used to prevent errors occurring in the output signal: • The 96kHz Measurement tool should be the first DSP using application loaded into the VRack. • The 96kHz Measurement tool should load all of the DSP resources it requires before any other applications which utilise DSPs are used. If it is impossible for the 96kHz Measurement tool to be the first application using DSPs loaded into the VRack, it is important that the Measurement tool is started when the DSP usage count is 0,4,8,12,16 etc. HURON TECHNICAL MANUAL PAGE 207
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Huron Technical Manual Software ver
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Copyright © 1995-2003 Lake Technol
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FCC Declaration (USA only) for Huro
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Table of Contents DISCLAIMER.......
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TABLE OF CONTENTS FEATURES ........
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TABLE OF CONTENTS OPERATION .......
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TABLE OF CONTENTS DC BLOCK.........
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TABLE OF CONTENTS THE 96KHZ EQ ....
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Introduction to the Huron Thank you
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Features Applications Note: Any ISA
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INTRODUCTION TO THE HURON • Optio
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Installing New Hardware Components
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↓ To change the ISA memory addres
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↓ Connecting with the patch panel
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Huron System Tools Huron Simulation
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General Installation ↓ To install
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Introduction to the System Tools Th
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Operation Starting ↓ To start the
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Configuration Functions Internal/Ex
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Displaying, Hiding and Terminating
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Stopping VRack ↓ To exit the VRac
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Patching ↓ To connect a pair of p
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Tip: Even if two patch points are c
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Introduction Features The IO Manage
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Adjusting Volumes ↓ To adjust the
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↓ To set a digital output to prof
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↓ To close a split window Summary
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THE SIMULATION TOOLS InsideTrak, Fa
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THE SIMULATION TOOLS • Angle chan
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Z THE SIMULATION TOOLS Figure 22
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Features Operation Object list Add
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For example: if a Source Object (ch
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Editing a BinScape Object ↓ To ed
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Features Operation The Space Array
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Adding an Object to the Space Array
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Near Field Adding B-format Input Se
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Inserting speakers ↓ To insert a
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Summary 25 20 15 Number of inputs S
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The simulated acoustic spaces used
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↓ To access the Sound Field Filte
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Directivity Factor Name d = 0.000 O
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Setting Minimum Source Distance ↓
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Adding, Inserting, Removing and Edi
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DSP Usage Summary THE SIMULATION TO
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↓ To access the Binaural Decoder
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Summary THE SIMULATION TOOLS • Th
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Starting ↓ To access MultiScape F
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Editing a Sound Object ↓ To edit
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B-format Decode Mode B-format Mode
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Editing Headphone Objects ↓ To ed
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Adding Rooms, Deleting Rooms Adding
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Summary THE SIMULATION TOOLS • Mu
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Starting ↓ To access HeadScape Se
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Configuring HeadScape ↓ To config
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Summary THE SIMULATION TOOLS • He
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Scene (List of Tracks) Track (List
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Figure 45 - Scene Properties dialog
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Manipulating Tracks ↓ To add a tr
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↓ Exporting a trajectory to a Loc
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Other Simulation Tools This sub-sec
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Locator Commands Loading and Playin
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Features Requirements The WavePlaye
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Figure 49 — The WavePlayer-2 inte
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↓ Setting the RME Hammerfall as t
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Note: The Waveplayer has now been s
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Summary OTHER SIMULATION TOOLS •
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↓ To select a microphone setting
Page 156 and 157: ↓ To specify the Echo settings
Page 159 and 160: Integration under 32 bit Windows In
Page 161 and 162: Positional Commands Note: The numbe
Page 163 and 164: OTHER SIMULATION TOOLS SNAPGetRooms
Page 165 and 166: MultiScape Commands Parameter Descr
Page 167 and 168: Space Array Commands Parameter Desc
Page 169 and 170: VMixer Commands Parameter Descripti
Page 171 and 172: WavePlayer-2 Commands OTHER SIMULAT
Page 173 and 174: OTHER SIMULATION TOOLS SNAPWP2Pause
Page 175 and 176: OTHER SIMULATION TOOLS SNAPSetWaveH
Page 177 and 178: Command Reference This section desc
Page 179 and 180: WavePlayer Commands OTHER SIMULATIO
Page 181: TCP/IP Commands OTHER SIMULATION TO
Page 185 and 186: Introduction Features Overview of t
Page 187 and 188: Operation Starting and Saving ↓ T
Page 189 and 190: ↓ To add a FIR filter to the Filt
Page 191 and 192: Currently selected patch point icon
Page 193 and 194: Introduction 96kHz Convolver Hardwa
Page 195: Patching the 96kHz Convolver Loadin
Page 198 and 199: Starting Note: If using measure to
Page 200 and 201: Selecting the Output File ↓ To se
Page 202 and 203: Signal Generation via MatLab Script
Page 205: Introduction 96kHz Measurement Tool
Page 211 and 212: ; comments ( (dtype [bit16 | bit20
Page 213 and 214: Introduction Operation Starting ↓
Page 215 and 216: Dfilter Windows Interface ↓ To st
Page 217 and 218: Lvec Windows Interface ↓ To start
Page 219: Padvec Windows Interface ↓ To sta
Page 223 and 224: Permute Windows Interface ↓ To st
Page 225 and 226: Wingen Windows Interface ↓ To sta
Page 227 and 228: SigGen Windows Interface ↓ To sta
Page 229 and 230: ↓ To generate a piecewise linear
Page 231 and 232: Vector Arithmetic Windows Interface
Page 233 and 234: Introduction Features Operation ↓
Page 235 and 236: Printing ↓ To print the SIM file
Page 237 and 238: Altering the Axes ↓ To display sa
Page 239: Summary THE ENGINEERING TOOLS • P
Page 242 and 243: Note: In this version of SimScale i
Page 245: Usage Simtowav Simtowav is a comman
Page 248 and 249: Hamming Window Blackman Window Harr
Page 251: Introduction to the Programming Too
Page 254 and 255: Operation Starting Lake EQ ↓ To a
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Slider Widget Toolbar Creating an E
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High Shelf Tip: All the sliders can
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Calculating the Equalisation Curve
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↓ To lock a Slider ↓ To unlock
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Limits ↓ To alter the graph limit
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Introduction 96kHz EQ Hardware Requ
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Loading EQ 96kHz THE EQUALISATION T
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Features Operation The VMixer The V
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Note: When increasing the size of V
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Muting ↓ To mute all output chann
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Operation Starting ↓ To access th
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Operation Starting ↓ To access th
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Summary OTHER TOOLS • The BFormat
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I/O Test Patching Selecting the For
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Summary • To utilise I/O Test an
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Fixed Point Digital Audio Data Repr
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↓ SimScale Avoiding Large Frequen
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Figure 99 — SNR of the 16 bit A/D
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Mechanical Specifications 1 3 Figur
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Audio Input Levels Managing Audio S
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HURON TECHNICAL REFERENCE • In ge
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Angle Channels Glossary Angle chann
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Order of Reflections HURON TECHNICA
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SNR (Signal to Noise Ratio) HURON T
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↓ To specify an auto-logon domain
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