iTool Installation and User's Manual
Contents
1. Speaker True lert celing mounted speaker Required Speakers Placement zo Sf Edge to Edge Speaker Wattage update is ready for download click on the web up button above Listener Height Ea Fegi Total Audio Power Ambient Noise 5 dB Required Signal to Noise Ratio 15 dE 30098 Crees Figure 25 Web Update Screen 1 When the New Updates Ready to Download message appears click the Web Up button from the Menu Bar A screen similar to the following appears 2 Web Update Utility _ x ITool Update 03 09 04 0 99991 Becdiito donna Pre Release Fiz itoni Liba 02 03 04 Pre Release Fre Inteligibilty Tool Help Updates ITool Help Screens 0226 04 410 8 Ready to download ITool User Manual 02 20 04 Feadvitedownlosd Fire Alarm Audio Api 02 20 04 1153 Readr te 00030 Figure 26 Web Update Utility Screen 2 Review the releases available Release Dates Versions File Size and Update Status are provided 3 Check the boxes of files you want to download and then click the Update button Continued on next page 15 Use the Web Up Button to Update iTool Continued Updating the iTool A screen similar to the following appears continued 2 web Update Utility PoE i Fienane 80690048 vason seeto Ste Perese O Pre Release Fix Tool Library 0203 04 Fleis undaed accesi Pre Release Fix intelligibility Tool Help Updates Tool Help Screens U2 26 04 402. Intelligibility Figure 6 Voice Intelligibility Icon The following splash screen appears Voice Intelligibility Tool Figure 7 iTool Startup Splash Screen 2 Click the Start button The first time you launch 11001 the following Registration screen appears Registration 5 x Voice Intelligibility Tool Liability Limitations his guide is intended as an informational resource and is not intended to provide definitive legal engineering design or architectural advice Legal engineering design or architectural requirements and interpretations may vary rom jurisdiction to jurisdiction or project to project herefore no warranty or representation is made about he sufficiency of any of the contents of this guide Tyco Safety Products Westminster disclaims any and all liability for damages of any sort claimed to result from the use of this guide This guide is distributed with no arranties whatsoever including but not limited to arranties of merchantability or fitness for a particular purpose Readers with specific questions should consult he appropriate advisor Copyrights Figure 8 iTool Startup Splash Screen 3 Read the Terms and Conditions fill in the Registration Form fields and then click the Agree button to launch the iTool Using the iTool Overview The iTool consists of a combination of several icons tool bars and pu
3. Continued The Project Tree The left hand column of the iTool contains a Project Tree which contains a directory structure of the rooms in a project The figure below shows a Project Tree with four rooms You can right click on any of these rooms to Add Delete Rename Copy or Paste 7 iToolProject1 o x File Edit Options Help 0000000000 F m Entry Ent n data and ton pa Fields Project Tree 60 Project Room Data Speaker Location SPL Distribution FReverberation Time poo Room Length width Height Room 2 Dimension Feet ge a a ee a Fioom 4 Floor Gypsum over2 44 16 oc eo q Visual Aid Add Room Gypsum over 2 4 76 oc Window Delete Room Linear Wood Se Oe P P Edge toEdge SMES ME Gypsum over 2 4 76 o c Copy Linear Wood FEEL Linear Wood Reverberation Time Speaker TrueAlert ceiling mounted speaker Required Speakers Placement Edge to Edge Speaker Wattage Listener Height 5 Feet TotakAudio Power Ambient Noize 5A dB Required Signal to Noise Ratio 15 dB poe nt Figure 11 Project Tree Data Entry Fields For any new room you create data must be entered into fields and selected from iTool menus The iTool then uses this information to calculate and display the output data Note The following section entitled Sample iTool Project shows how data is inputted and outputted using the 1Tool Visual Aid Window As you enter data into the
4. 01 to 1 00 where a larger number indicates a higher level of absorption Table 1 Materials Absorption Coefficient Data Table 2 Carpet Medium on Foam Rubber 0710 976 040 oso ors ors a Carpet Heavy Pie onConcrete 002 906 014 oss 060 064 6 Carpet Thin Pie on Concrete ooa oos oro 020 044 064 2 7 wood Paraquetricor ooa oo 007 oos oo 007 8 Linoleum on Concrete oo2 oo 000 oos oos 002 o arbieorGlazesTie 901 oo oor oor 90 002 12 eypsumover2xa 180 029 010 005 000 oor 000 24 Piwood Pancing 0375 ozs 921 oar 009 010 010 26 Armstrong 1 5 Siok Celing Tie oss oss ose 099 090 098 29 Tectum 15 Acoustic Ceiing Tie 049 oss oss 049 oss 076 er UserDetned surtacoms 0 0 00 0 CCC e2 4900000090000 ToO Tooo es User Detned Surtacows o 00 ooo ea 49000000900004 O o 0 ooo a 49000000900006 O o OCC 4900000094000006 O O 0O ToO Too Continued on next page 18 Material Charts Continued Creating Surfaces of The surfaces listed in Table are for a single composition i e walls are all gypsum or all glass Mixed Compositions etc For surfaces of mixed materials it is necessary to combine absorption coefficients such as a wall with windows This is a fairly simple procedure of calculating the absorption for each material individually based on the surface area it occupies an
5. Material fields 2 For each selection enter the Square Feet or Meters of material 3 Click the Add button and then click OK The absorption coefficients for the material are automatically calculated and appear The new material name now appears as a valid option within the 1Tool s floor ceiling and wall pull down menus Continued on next page 13 Advanced iTool Features Continued Delete a Surface Material Adda Custom Speaker Delete a Custom Speaker Follow these steps to delete an existing custom surface material 1 Select an existing custom material from the Surface Material Name pull down menu 2 Click the Delete button and then the OK button in the confirmation window This material 1s no longer shown in the 1Tool s pull down menus Follow these steps to add a custom speaker to the 1Tool s speaker list 1 From the iTool s Menu Bar click Options and then Add Custom Speaker The following screen appears Advanced Options Teina Mout 0 25 0 50 1 2 Figure 24 Add Custom Speaker Screen 2 Enter a name for the new speaker in the Custom Speaker Name field 3 Enter a dB rating in the Sensitivity field 4 Enter an angle in degrees in the 2kHz 6dB Coverage Angle as Projected onto listener plane field 5 Enter the distance for the coverage angle in the At Distance field Then select Feet or Meters from the pull do
6. iTool this graphic window changes to show the wall ceiling or floor that you are currently configuring This window also displays placement designs for your speakers such as minimum overlap or edge to edge patterns 11001 Help Files Accessing the Access the iTool Help files by clicking on the Question Mark icon in the Tool Bar ITool Help Files Help File Icon gt iToolProject1 File Edit Options Help 06 00 00000 Figure 12 Help File Icon Feet The following main Help screen appears Forward Stop oy TToolHelp htm Back gt gt Refresh tyco Safety Products Voice intelligibility Tool Help e iTool Installation and User s Manual 579 772 Click on the Publication Name to Launch a PDF Version of the Document e Fire Alarm Audio Applications Guide 579 769 How can we make ITool better Click this Button to Provide User Feedback Regarding the iTool Comments Copyrights and Trademarks Figure 13 Main iTool Help Screen Continued on next page 11001 Help Files Continued Embedded The main iTool screen contains embedded links that lead to Help File screens Help File Information For example click the Required Signal to Noise Ratio link to launch a Help File screen see the figures below Click Here to Launcha Help File on this Topic Click Here to Return to the Main iTool Help Screen i Mj
7. live web update as new revisions become available IMPORTANT The 11001 is intended as an informational resource and is not intended to provide definitive legal engineering design or architectural advice Legal engineering design or architectural requirements and interpretations may vary from jurisdiction to jurisdiction or project to project Therefore no warranty or representation is made about the sufficiency of any of the contents of this guide Tyco Safety Products Westminster disclaims any and all liability for damages of any sort claimed to result from the use of this guide This guide is distributed with no warranties whatsoever including but not limited to warranties of merchantability or fitness for a particular purpose Readers with specific questions should consult the appropriate advisor This publication discusses the following topics A 080 Use the Web Up Button to Update 11 001 Refer to the Fire Alarm Audio Applications Guide Guideline for Designing Emergency Voice Alarm Communications Systems for Speech Intelligibility 579 769 for more information on the terms and topics covered in this manual Tyco Simplex and the Simplex logo are trademarks of Tyco International Services AG or its affiliates in the US and or other countries 579 772 Copyright 2004 Tyco Safety Products Westminster All rights reserved R ev A All specifications and other information shown were current as of publication and a
8. require 24 speakers at 0 25 Watts each for a total of 6 Watts of audio power Three additional project information buttons allow you to further analyze Room 1 9 Click the Speaker Location button to view a plot of speaker locations for Room Figure 18 10 Drag the magnifying glass cursor over any of the individual speaker plots and click to zoom in on a particular speaker Figure 19 Row and column spacing are provided Speaker Location Button itoolProject1 File Edit Options Help 00 099 Note Click anywhere on the plot in Figure 19 to return to the previous view in Figure 18 itoolProjecti File Edit Options Help 0000000000 a 00000 ma OE Proiect RoomData Speaker Location SPL Distribution Reverberation Time Q Proiect RoomData SpeakerLocation SPL Distribution Reverberation Time Room 1 Room 1 Room 2 Room Width Feet G Room 2 Room Width Feet Room 3 Room Length Feet Unit Feet Room 3 Room Length Feet k fs Room Height Feet Room 4 Room Height Feet A G Speakers Required Speaker Tap Setting Watt Total Power Required Ce Watt of Columns x 4 of Rows Y Ce First Speaker x Coord Feet First Speaker Y Coord Feet Column Spacing Feet Row Spacing 6 Feet Speakers Required Speaker Tap Setting Watt Total Power Required 6 Watt of Columns gt lt 4 of Rows Y 6 First Speaker x Coord Feet Fir
9. 69 Simplex Introduction AY In this Publication Related Publications 11001 Installation and User s Manual This manual contains instructions on how to install and operate the Tyco Safety Products 1Tool The 1Tool is a software program designed to aid system designers in creating speaker systems that meet the intelligibility requirements for emergency voice alarm communications systems Information such as room dimensions surface materials ambient noise levels and speaker types are entered into the 11001 The software then calculates this data and provides output consisting of room reverberation times and the estimated number of speakers for the room Based on this information the 11001 also estimates speaker wattages and required audio power Several advanced options are also available within the 1Tool software Additional information can be examined regarding Sound Pressure Levels SPL specific speaker locations and detailed reverberation specifications The system designer can then take the output provided by the 1Tool and use it to estimate a design that provides adequate audio intelligibility for an emergency voice alarm communications system The 11001 is also customizable Users can add custom surface materials based either on mixed compositions or absorption coefficients Custom speaker designs can also be entered into the 11001 Finally if 1Tool is loaded on an Internet accessible computer it is possible to perform a
10. Placement F doe to Edge Speaker Wattage otal 4udio Powe Listener Height 5 Feet Total Audio Power Ambient Noise 55 dB Calculate Required Signal to Noise Ratio 15 dB Figure 16 11001 Overview The new project opens with Room 1 ready to be configured Note Refer to the Fire Alarm Audio Applications Guide Guideline for Designing Emergency Voice Alarm Communications Systems for Speech Intelligibility 579 769 for detailed descriptions of the terms and materials discussed 10 this section The Applications Guide also contains practical 11001 examples office spaces gymnasiums corridors etc 2 From the Unit pull down menu in the Icon Tool Bar select either Feet or Meters English or Metric 3 Inthe Room Dimension fields enter the Length Width and Height of Room 1 4 Below the Room Dimension fields are a series of menus for the floor ceiling and walls of Room 1 Click each field and select the proper surface materials wood concrete drapery etc Note See the Material Charts section later in this manual for more information on the various material selections contained in the 1Tool 5 From the Speaker pull down menu select the specific speaker brand and mounting type wall or ceiling to use for this project 6 From the Placement pull down menu select the preferred speaker layout edge to edge minimum overlap or full overlap Note Refer to the Visual Aid window i
11. d then dividing by the total area of the surface As an example take a 40 foot x10 foot gypsum wall with four 2 75 foot x 4 foot windows The total surface area is 400 ft with 44 ft of windows and 366 ft of gypsum wall Figure 29 40 foot x 10 foot Wall with Windows Follow these steps to calculate the absorption for the mixed wall 1 Multiply the absorption coefficient at each frequency by the surface area Add the total absorption for each material Divide by the total surface area Enter these absorption coefficients the sample shown in the bottom shaded row of Table 2 into the Absorption Coefficient fields of 1Tool s Add Custom Surface Material screen see Figure 23 Table 2 Surface with Multiple Materials Surface 1516 sonz 50012 1196 200 4106 Wall Surface Area 366 Square Feet Total Absorption for Entire Wall Wall Surface Area 400 Square Feet Average Absorption Coefficient for 19 579 772 Rev A Simplex
12. ee File 15 Updated successtully Tool User Manual Oe 20 04 File 15 Updated successfully Fire Alarm Audio Ap 02 20 04 1153 File ieupdated successful eee Figure 27 Web Update Utility Screen The status for the updates changes to read File 16 updated successfully 4 Click the Exit button to return to the main 1Tool screen 16 Print an iTool Project Print an 11001 Project 3 Click the Print icon from the Tool Bar or File and then Print from the menu bar A Print Preview screen similar to the one below appears If your project contains multiple rooms use the Previous and Next buttons at the top of the page to toggle selections from room to room Click the Print button Print Preview Previous Room Name Rooms Room Dimensions Toggle Rooms with the Previous and Next buttons Room 5 Next Close Speaker Location Room Width 20 Meter Room Length 40 Meter Room Height 10 Meter Room Surface Maternal Data Room Wall 1 Hace Paneling 0 75 Room Wall 2 se Paneling 0 75 Room Wall 3 Plywood Paneling 0275 Room Wall 4 Phwood Pema 0 375 Room Ceiling gt Armstrong 1 5 Silok Ceiling Tile Room Floor gt Carpet Medium on Foam Rubber Speaker Model Truedlert ceiling mounted speaker Placement Method Minimum Overlap Listener Height 5 Meter Ambient Nowe 55 dB Required SHR 15 dB Results Room Length 40 Meter Requi
13. ew one New Room Icon Click this icon to add a new room to a project New rooms can also be added by right clicking on an item 10 the Project Tree and selecting Add Room or by clicking Edit and then Add Room from the Menu Bar Save Icon Click this icon to save your current project In the Menu Bar under the File command options also exist for Save and Save As Print Icon Click this icon for a comprehensive print out of your current project Copy and Paste Icons Allows you to copy and paste designs within a project You can also right click on a room within the Project Tree and select the Copy or Paste commands Delete Icon Click this icon to delete a room that you have highlighted You can also delete a room by right clicking it and then selecting Delete Room Properties Icon Click this icon to open Advanced Menu options for adding custom surface materials and speakers See the Advanced 11001 Features section later in this manual for information on these options Web Up Icon Click this icon to check the Internet for live updates to the 11 001 software This procedure is covered in the Use the Web Up Button to Update 1Tool section later in this manual Help Icon Click this icon to launch the iTool s Help Files Note There are also links to Help Topics that are embedded in the main iTool screen see Figure 9 Continued on next page Using the iTool
14. iToolProjecti a 32 e 9 Project zi Room Length Width Height unt Fa E Dimension Feet Floor Giypsumover2x4 16 0c Ceiling Gypsumover2x4 16 0c wall Enea Wood 00000 wWal2 Gypsumover2x4 16 0c wal3 linear Wood wall 4 Linear Wood Reverberation Time Speaker TrueAlert ceiling mounted speaker Required Speakers Placement Edge to Edge Speaker Wattage Listener Height Feet Total Audio Power Ambient Noise 55 dB C Required Signal to Noise Ratio COD 15 dB CTD oix Figure 14 Accessing Embedded Help Files snr htm GIO 1 2 Voice Intelligibility Tool Help Use the following recommendations to maximize system intelligibility Ensure at least an dBA signal to noise ratio with regard to the speech signal Note This can result in a higher than 15 dB signal to noise ratio for notification tones Ensure adequate direct sound field coverage for the type of space Speaker layout pattern selection is critical in providing sufficient coverage at a reasonable cost In areas with high reverberation times it is possible to improve intelligibility by decreasing the separation between the loudspeakers and the listeners This increases the ratio of direct to reverberant sound and improves intelligibility but usually requires more loudspeakers to provide the same level of coverage Improve signal to noise ratio b
15. lProject1 aia es E Unit Feet Add New Surface Material O D oy Figure 22 Selecting Advanced Features Add a New If you choose to add a new surface material a screen similar to the following appears Surface Material gt Advanced Options Note Refer to the Material Charts section later in Mixed Flooring F this document for absorption coefficients and more information on surface materials Carpet Indoor Outdoor on Concrete ho Linoleum on Concrete 110 Carpet Heavy Pile on Concrete fio Apsorpton Woetficients Figure 23 Add Custom Surface Material Screen 1 Select either the I want to add a new surface material by entering absorption coefficients or the I want to add a new mixed composition surface radio button a Absorption coefficients Choose this option to create a unique surface material that 18 not currently contained in the 1Tool 1 Type in a name of your material in the Surface Material Name field 2 Enter in the absorption coefficients in the Hz and kHz fields 3 Click the Add button and then click OK The new material name now appears as a valid option within the 1Tool s floor ceiling and wall pull down menus b Mixed Composition Surface Choose this option if you have a surface composed of more than one existing 11 001 material For example a gypsum wall containing glass windows 1 Select pre existing materials from the Surface
16. ll down menus to aid in using the software This section provides an overview of the iTool s many features Each of these features is discussed in greater detail later in this manual An example of a room design is also provided in this publication to show how to implement the 1Tool s features during a project Metric Standard Selection Project Title G itoolProject1 Menu Bar File Edit Options Room Length Width Height Dimension O Feet Floor Gypsum over 2 4 16 oc Ceiling Gypsum over 2 4 16 o c wall Linear Wood Wall 2 Gypsum over 2 x 4 76 oc Data Entry Fields Wall 3 near food Project Information Buttons Visual Aid Window Wall 4 Linear wood Reverberation Time Speaker Truedlert ceiling mounted speaker Required Speakers Placement Edge to Edge Speaker Wattage 00 Total 4udio Power Links to Help Files Figure 9 iTool Overview Continued on next page Using the 11001 Continued Icon Tool Bar New Project New Room P iToolProject1 File Edit Options Help 0000 KS Feet Help Web Up Print Copy Properties Figure 10 Icon Tool Bar New Project Icon Click this icon to start a new project You can also begin a new project by clicking File and then New Project in the Menu Bar or by clicking the CTRL N keys If you are currently in a project you are prompted to save your current project before starting a n
17. me Button The following screen appears itoolProjecti 5 x File Edit Options Help 00 00 000000 Calculation has finished You may click on the tabs below to revjo4t results 6 Project Room Data Speaker Location SPL Distribution f Reverberation Time Room 1 m Reverberation Time Results 6 Room 2 Frequency 125Hz 250 Hz 500 Hz 1 KHz 2 KHz 4KHz Room 3 Reverberation Time 0 5 06 06 05 03 03 Room 4 Intelligibility Weighted Average Reverberation Time 0 4 Average Reverberation Time 0 5 r Coverage Info 608 down coverage circle diameter listener plane 128 Feet Layout circle diameter based on selected layout pattern 64 Feet Maximum listener SPL Alarm notification and noise combined 88 7 dB Maximum SPL 91 B Minimum SPL 868 4B SPL variation over listening area 41 Figure 21 SPL Distribution Screen This screen provides further analysis on both reverberation time results and speaker coverage information Specifications include more SPL details and specific reverberation times at various frequencies 12 Advanced iTool Features Advanced You can customize the iTool by programming custom surface materials and or speakers These Menu Options commands can be accessed by either clicking the Properties icon from the Icon Tool Bar or by clicking Options Add New Surface Material or Add New Speaker from the Menu Bar Properties iToo
18. n the upper right corner of the iTool while making your Placement selection 7 Enter the appropriate data into the Listener Height Ambient Noise and Required Signal to Ambient Noise Ratio fields 5 55 and 15 are the respective defaults as shown above Continued on next page 10 Sample 11001 Project Continued Create an 8 Click the Calculate button and output data appears in the fields located on the bottom right iTool Project of the iTool window continued itoolProjecti File Edit Options Help 0000000000 Project RoomData Speaker Location SPL Distribution Reverberation Time Project 7 Room 1 Room Length Width Height Information bn Room 2 Dimension 22 36 10 Feet Buttons ba Room 3 Be oor et Room 4 Carpet Medium Pile on Concrete Ceiling Tectum 1 5 Acoustic Ceiling Tile Wall 1 Partition Accordian Wall 2 Plywood Paneling 0 375 Wall 3 Partition Accordian Wall 4 Plywood Paneling 0 375 Reverberation Time 0 4 Zooo f iTool Speaker TrueAler ceiling mounted speaker Required Speakers Output Placement Overlap Speaker Wattage D t SS ata l Total udio Power 6 Listener Height 5 Feet Ambient Noise 55 dB Required Signal to Noise Ratio 15 dB Calculate Figure 17 11001 Overview In the Room sample shown above the iTool has determined the room has a Reverberation Time of 0 4 seconds The room is estimated to
19. re subject to change without notice z Install the iTool 11001 Installation Follow the steps below to install the iTool on your PC 1 Locate and double click the itool msv file The following Welcome screen appears i iTool Welcome to the tlool Setup Wizard Figure 1 Welcome to the iTool Setup Wizard Screen 2 Click the Next button The following screen appears iTool Select Installation Folder EA Figure 2 Select Installation Folder Screen 3 Click the Next button to accept the default installation location of C Program Files iTool or click the Browse button and select a different location Continued on next page Install the iTool Continued 11001 Installation continued The following Confirmation window appears Confirm Installation Figure 3 Confirmation Screen 4 Click the Next button The installation process begins iTool Installing iTool EA Figure 4 iTool Installation An Installation Complete screen appears j iTool Installation Complete Previous 10 Figure 5 Installation Complete Screen 5 Click the Close button to finish the installation procedure 6 Proceed to the next section Launch the iTool Launch the iTool Open the 1 To open the 1Tool double click the Voice Intelligibility icon on the Windows desktop 11001 Software oe TETOR YOICe
20. red Number of Speakers 10 Speaker Wattage Tap Setting O25 Total Audio Power Required LDW Number of Rows ng j Humber of Columns 5 First speaker Coordinate 4 Meter First speaker Y Coordinate gt 5 Meter G Column Spacing B Meter Row Spacing 10 Meter Reeben ime First Speaker Zoomed wiew 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz 2 06 1 81 0 86 0 68 0 6 0 6 Average Reverberation 1 1 sec Intelligibility Weighted Avg Reverb Time DEF sec Coverage Diameter GdB down At Listener 12 8 Meter Layout Diameter 9 05 Meter Maximum Listener SPL 75 18 dB Maximum SPL 75 18 dB Hinumum SPL 73 18 dB SPL Vanation Over Listening Area 72 SPL Distribution dE Figure 28 Print Preview Screen 17 Material Charts Materials The table below contains absorption coefficients of some common materials The coefficients are listed at particular frequencies Some materials absorb sound more effectively at higher frequencies others at lower frequencies Some materials like smooth concrete terrazzo absorb very little sound at any frequency The user defined surfaces can be used to enter new materials like a special type of acoustic treatment or can be used to define surfaces of mixed composition as described in the next section Use the table below to define surface characteristics for the i1Tool Enter specifications from manufacturers data sheets or create surfaces that are a mixture of materials The coefficients are in the range of 0
21. st Speaker Y Coord Feet Column Spacing Feet Row Spacing 6 Feet Room Length 22 Feet Gnaskb ar Zanmad View Figure 18 Speaker Location Guide Figure 19 Close up of Speaker Plot Continued on next page 11 Sample 11001 Project Continued Create an 11001 Project continued 11 Click the SPL Distribution button SPL Distribution Button itoolProjecti File Edit Options Help 0000000000 Calculation has finished You may click on ty tabs below to review results Q Proiect RoomData Speaker Location SPL Distibutior Room 1 Resolution Low Jo Retesh X 13Feet Y 28 Feet SPL 90 6 dB Room 2 Reverberation Time Resolution X and Y Slide Bar Coordinates with SPL dB Legend Reading Figure 20 SPL Distribution Screen The screen above shows how Sound Pressure Levels SPL are distributed throughout Room 1 An on screen cursor allows you to pinpoint the SPL for X and Y coordinates in the room A Resolution Slide Bar is also available to adjust the detail level of the SPL image shown In Figure 20 the darker center of the screen shows an SPL of 91 The lighter circle surrounding the center has an SPL of 89 and the corners have an SPL of 86 Note Refer to the color coded Legend dB shown on the left side of the figure above to measure the corresponding colored SPL displayed for Room 1 12 Click the Reverberation Time button Reverberation Ti
22. wn menu 6 Select either Ceiling Mount or Wall Mount from the Speaker Type pull down menu 7 Enter the proper power tap information in Watts into the Power Taps W field 8 Click the Add button and then the OK button This custom speaker now appears with the other pre existing speakers as a valid option within the iTool s Speaker pull down menu Follow these steps to delete an existing custom speaker 1 Select an existing speaker from the Custom Speaker Name pull down menu 2 Click the Delete button and then the OK button in the confirmation window This speaker is no longer shown in the data entry pull down menus 14 Use the Web Up Button to Update iTool Updating the iTool If 11001 is loaded on an Internet accessible computer the software notifies you when new updates are available for download When you launch 1Tool and the following message appears as shown below you can click on the Web Up button in the 11001 Menu Bar to download the update 2 iToolProject1 Web Up File Edit Optens Help Button O O O D D Unit Feet This popup indicates an Room Length Width Height Dimension Feet Floor Gypsumaver2x4 16 oc Ceiling Gypsumover2x4 16 0c wali 406940000 Walz Gypsumover2x4 16 ac wal3 linearWood 0 00000 wall 4 linea Wood 0 0 0000 FReverberation Time O
23. y putting speakers where people are located This assures good coverage and minimizes stray acoustical that adds to reverberation without contributing to intelligibility In rooms with high ceilings the areas near the edge of the room can be covered more effectively with wall mount speakers In areas with high ceilings directional speakers should be selected to avoid multiple speaker interactions Care must be taken to avoid signal distortion It is critical to ensure that signal levels are properly adjusted so that signal distortion does not occur Properly installed and maintained emergency voice alarm communications systems deliver low distortion by design Apply acoustic treatments to reduce reverberation Figure 15 Required Signal to Noise Ratio Help Screen Sample 11001 Project Create an To create a new project in 1Tool follow these steps 11001 Project 1 Launch 11001 by clicking the Voice Intelligibility icon on your desktop The main iTool screen appears Metric English Selection itoolProjecti File Edit Options Help 5 0000000000 m Enter the room data and click on the Calculate button ij O Project Room Data Speaker Location SPL Distribution Reverberation Time Room Length Width Height Dimension Feet Click These Fields to Open the List of Available Surfaces Reverberation Time Speaker TrueAlert ceiling mounted speaker Required Speakers
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