Huron & SNAP Documentation

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THE SIMULATION TOOLS • Angle channel: The messaging channel over which information relating the orientation of a virtual sound or a listener object is passed. Location channel numbers must be in the range 1 to 255, as channel 0 is reserved in most applications. • Tracking device: A device used for obtaining and sending positional and rotational data. This data is then transformed (by the Tracker application) into location and angle data for use as an input to a simulation application. • Speaker array: A real world array of speakers designed for the playback of audio simulations. Additional terms can be found in the Glossary subsection of the <strong>Huron</strong> Technical Specifications of this manual. In general terms an aural simulation is composed of a processing application — the simulation application — and a series of inputs to this application. The diagram below (Figure 20) illustrates a generic simulation tool and lists the sources of inputs and outputs of the system. Figure 20 — A schematic of a generic Simulation application The simulation application is the core of an aural simulation. It takes the sound sources, location information, angle information, and room effects as inputs, and processes all of this information in real time to provide the outputs of the simulation either as B-format encoded signals (as in Sound Field Filter) or in a form ready to be output to a speaker array or headphones (Binscape, Space Array , MultiScape, HeadScape or a combination of Sound Field Filter and one of the AniScape Decoder tools). An important concept shown in this diagram (Figure 20) is the association of the manipulable virtual sound objects and the sound sources they represent. The sources and objects are associated using Location and Angle channels. While the real world sound sources remain stationary (locked into equipment racks etc.) the sound objects may be moved around the HURON TECHNICAL MANUAL PAGE 68
THE SIMULATION TOOLS Soundscape through Angle and Location messages sent from applications such as Socket, Locator or Sonic Animator. The following diagram (Figure 21) illustrates the interaction between elements of a typical simulation. This simulation uses MultiScape as the simulation application, and Locator for the loading of room responses and the movement of sound objects (details for each of these applications are found in the appropriate subsections of the simulation tools). Figure 21 — The interaction of several simulation tools to create an aural simulation Coordinate Systems Lake’s simulation tools use a right-handed coordinate system to specify the location of sound sources. When the user is stationary and located at the origin of the system, the Y-axis extends in front of the user, the X-axis is to the user’s right, and the Z-axis extends upwards, as shown in Figure 22. HURON TECHNICAL MANUAL PAGE 69
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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 ........
Page 17 and 18: TABLE OF CONTENTS OPERATION .......
Page 19 and 20: TABLE OF CONTENTS DC BLOCK.........
Page 21 and 22: TABLE OF CONTENTS THE 96KHZ EQ ....
Page 23: Introduction to the Huron Thank you
Page 26 and 27: Features Applications Note: Any ISA
Page 28 and 29: INTRODUCTION TO THE HURON • Optio
Page 30 and 31: Installing New Hardware Components
Page 32 and 33: ↓ To change the ISA memory addres
Page 35 and 36: ↓ Connecting with the patch panel
Page 37 and 38: Huron System Tools Huron Simulation
Page 39 and 40: General Installation ↓ To install
Page 41: Introduction to the System Tools Th
Page 44 and 45: Operation Starting ↓ To start the
Page 46 and 47: Configuration Functions Internal/Ex
Page 48 and 49: Displaying, Hiding and Terminating
Page 50 and 51: Stopping VRack ↓ To exit the VRac
Page 52 and 53: Patching ↓ To connect a pair of p
Page 54 and 55: Tip: Even if two patch points are c
Page 57 and 58: Introduction Features The IO Manage
Page 59 and 60: Adjusting Volumes ↓ To adjust the
Page 61 and 62: ↓ To set a digital output to prof
Page 63: ↓ To close a split window Summary
Page 66 and 67: THE SIMULATION TOOLS InsideTrak, Fa
Page 70 and 71: Z THE SIMULATION TOOLS Figure 22
Page 73 and 74: Features Operation Object list Add
Page 75 and 76: For example: if a Source Object (ch
Page 77 and 78: Editing a BinScape Object ↓ To ed
Page 79 and 80: Features Operation The Space Array
Page 81 and 82: Adding an Object to the Space Array
Page 83 and 84: Near Field Adding B-format Input Se
Page 85 and 86: Inserting speakers ↓ To insert a
Page 87: Summary 25 20 15 Number of inputs S
Page 90 and 91: The simulated acoustic spaces used
Page 92 and 93: ↓ To access the Sound Field Filte
Page 94 and 95: Directivity Factor Name d = 0.000 O
Page 96 and 97: Setting Minimum Source Distance ↓
Page 98 and 99: Adding, Inserting, Removing and Edi
Page 100 and 101: DSP Usage Summary THE SIMULATION TO
Page 102 and 103: ↓ To access the Binaural Decoder
Page 104 and 105: Summary THE SIMULATION TOOLS • Th
Page 106 and 107: Starting ↓ To access MultiScape F
Page 108 and 109: Editing a Sound Object ↓ To edit
Page 110 and 111: B-format Decode Mode B-format Mode
Page 112 and 113: Editing Headphone Objects ↓ To ed
Page 114 and 115: Adding Rooms, Deleting Rooms Adding
Page 116 and 117: 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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Operation Starting ↓ To start the
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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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Operation Starting ↓ To start the
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↓ To select a microphone setting
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↓ To specify the Echo settings
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Integration under 32 bit Windows In
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Positional Commands Note: The numbe
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OTHER SIMULATION TOOLS SNAPGetRooms
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MultiScape Commands Parameter Descr
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Space Array Commands Parameter Desc
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VMixer Commands Parameter Descripti
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WavePlayer-2 Commands OTHER SIMULAT
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OTHER SIMULATION TOOLS SNAPWP2Pause
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OTHER SIMULATION TOOLS SNAPSetWaveH
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Command Reference This section desc
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WavePlayer Commands OTHER SIMULATIO
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TCP/IP Commands OTHER SIMULATION TO
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Introduction Features Overview of t
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Operation Starting and Saving ↓ T
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↓ To add a FIR filter to the Filt
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Currently selected patch point icon
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Introduction 96kHz Convolver Hardwa
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Patching the 96kHz Convolver Loadin
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Starting Note: If using measure to
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Selecting the Output File ↓ To se
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Signal Generation via MatLab Script
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Introduction 96kHz Measurement Tool
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Loading the 96kHz Measurement Tool
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; comments ( (dtype [bit16 | bit20
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Introduction Operation Starting ↓
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Dfilter Windows Interface ↓ To st
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Lvec Windows Interface ↓ To start
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Padvec Windows Interface ↓ To sta
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Permute Windows Interface ↓ To st
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Wingen Windows Interface ↓ To sta
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SigGen Windows Interface ↓ To sta
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↓ To generate a piecewise linear
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Vector Arithmetic Windows Interface
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Introduction Features Operation ↓
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Printing ↓ To print the SIM file
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Altering the Axes ↓ To display sa
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Summary THE ENGINEERING TOOLS • P
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Note: In this version of SimScale i
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Usage Simtowav Simtowav is a comman
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Hamming Window Blackman Window Harr
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Introduction to the Programming Too
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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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