proudly presents . . . The Next Generation Public Alert and Weather
Contents
1. October 2012 From this screen the operator can physically control the ChatterBox asset in terms of restart shutdown reboot of the unit forcing a failover to its redundant single board computer if so configured and muting the audio Using the SSH button the operator can log into the unit to access the internal single board computer s at the operating system level Since some ChatterBox units may be located in very remote locations with limited physical accessibility it is vital that the BMMI operator be able to remotely diagnose and rectify problems from his her office This screen is instrumental in carrying out that function iNOTiFY Whitepaper CommPower iNOTiFY 15 October 2012 Another function provided by the BMMI interface is the ability for the operator to manually create weather warning data for submission into iNOTiFY Please note that this form of message input is supplementary to the automated message feed supported by the MPC Operators would use this method in an emergency when the local operator must get the vital warning data out immediately When a message is first created the operator assigns it a type which seeds the screen with pre configured default broadcast instructions The operator can retain these defaults as is or override them as desired The broadcast instructions dictate when and how the message will be broadcast For example configuration items available include alert tones that must ac2. associated alert SAME tones to be broadcast with the data any lead in announcements and when the data is to be removed from the broadcast loop The dual ChatterBox contains 2 internal single board computers SBCs that run hot in parallel Should the current SBC fail the broadcast stream from the second SBC will be switched in as live This switchover is automatic with less than 2 seconds of audio loss iNOTiFY Whitepaper CommPower iNOTiFY 5 October 2012 For text data the ChatterBox uses its text to speech engine powered by AT amp T Natural Voices and licensed from Wizzard Software Corporation to convert the text into natural sounding voice Consequently the ChatterBox is also referred to as a text to speech digital analog converter or TTS DAC unit Local pronunciation dictionaries configured by the iNOTiFY operators ensure that all words are pronounced correctly for that listening area Additionally two languages are supported by each ChatterBox unit yielding a dual language broadcasting capability i e announcement will be made in language 1 followed by the same announcement in language 2 Once all of the data is in audio format it is placed into the broadcast loop per the accompanying broadcast instructions provided by the MPC and streamed via the ChatterBox audio output channel In addition a text representation of the broadcast if available is also streamed via the ChatterBox serial communication outp
3. proudly presents iNOTiFY The Next Generation Public Alert and Weather Warning System iNOTiFY Whitepaper CommPower iNOTiFY 1 October 2012 1 Background Within most countries regional national and natural disasters and events warrant the need for a reliable alert system to notify the public as well as public safety and emergency managers of the current or pending event s This whitepaper presents such a solution with real life practical applications in closing developed by CommPower under contract to the U S National Weather Service and now available as a commercial offering It is our hope that this whitepaper will whet your appetite and when it does we urge you to please contact us We have lots more information that we would love to share 2 The Problem and Proposed Solution The Problem In most States the Emergency Alert mission is fulfilled by a patchwork quilt of capabilities combined with adhoc person to person communications phone email text that often fall short of providing a complete consistent and intelligent description of the event to the public and emergency management team In other words the Emergency Alert System is simply the co existence of multiple technologies methods and processes and not a single system delivering a consistent data set to all The Solution If true integration and extension of public alert notification services is desirable please consider iNO
4. 4A illustrates this distributed field office concept iNOTiFY Whitepaper CommPower iNOTiFY 7 October 2012 Figure 4A Distributed Field Office Configuration b Shared Transmitters For many sites the FM transmitter is shared among multiple parties The ChatterBox fits nicely into this configuration in that it will continue to stream its data regardless of the transmitter availability When the ChatterBox broadcast is to go live a technician need only switch the transmitter connection and presto the ChatterBox feed will be directed to the transmitter for broadcast Alternatively an optional board can be fitted into the ChatterBox that would provide a pass thru broadcast path to the transmitter from another external system In this configuration the external system would drive the broadcast until the ChatterBox receives emergency data for broadcast When this happens the ChatterBox would automatically seize the audio channel broadcast the emergency data and finally relinquish the audio channel back to the external system iNOTiFY Whitepaper CommPower iNOTiFY 8 October 2012 c Commercial Radio Television A ChatterBox unit can be placed within a commercial radio or television station to utilize its transmission resources to deliver the broadcast data Similar to b above the station operator can manually switch in the ChatterBox feed when desired or alternatively the optional automatic switch as descr
5. Alert It is not your child A second message follows to inform you that the school is in lock down and will stay in lock down until police have secured the grounds It also urges you not to rush to the school location if you are a parent as the authorities need to secure the location Please await further notice Your immediate concern is the health of your youngest child Asthma sets in under duress You are aware of the school s knowledge of this but you would like reassurance nonetheless Just then a second message is received bringing peace of mind that the school medical staff has been prompted into action A health tech is armed with an inhaler and is now making his way across the quad to reach your child iNOTiFY Whitepaper CommPower iNOTiFY 22 October 2012 Meanwhile the notification of an Amber Alert has reached IPAWS OPEN where it is forwarded based on a rule set to the computer monitors of the regional FBI office A case is opened The wheels are put in motion The message has also reached Cal Trans where the notification is now presented on the regional freeway displays Within minutes Billy is found 1 4 mile away in the passenger seat of his estranged father s truck Nice save 9 Trial Demonstration Systems As mentioned previously iNOTiFY is an extremely scalable system that can run on a single server workstation or a bank of servers If your organization is interested in trying iNOTiFY a mini footprint configu
6. data and work it into the ongoing broadcast loop For the sake of argument let s assume that the broadcast loop provides the latest weather conditions This loop would play indefinitely updating automatically as the weather changes until an emergency occurs When this happens the ChatterBox will immediately terminate the routine broadcast and output alert tones followed by the emergency message When the emergency has passed the ChatterBox will revert back to its routine weather loop In this case iNOTiFY serves a dual function routine announcements in addition to immediate warning alert broadcasts iNOTiFY Whitepaper CommPower iNOTiFY 10 October 2012 5 iNOTiFY Details The best way to know exactly what iNOTiFY is capable of is to read its Functional Requirements Specification This document which admittedly is dry reading identifies all of the requirements fully implemented in and supported by the system This document is available upon request from CommPower 6 iNOTiFY Operator and User Interfaces The look and feel is an important part of any system Therefore let s explore the user interfaces provided by iNOTiFY Starting with control monitor functionality iNOTiFY supports two extensive operator interfaces AMMI Administrative MMI This interface is used by the MPC operators to monitor manage the entire system i e the MPC all ChatterBox units and all iNOTiFY user accounts BMMI Broadcast MMI
7. 12 Alert Works AlertFM Bell and Howell Chaney Instrument Company HomeSafe Inc Kaito Electronics La Crosse Technology Midland Radio Motorola Oregon Scientific RadioShack Reecom Electronics Inc SIMA First Alert Spectra Merchandising International viaRadio Corporation f Internet amp Other Since iNOTiFY maintains a current copy of all ChatterBox broadcast programs on a designated server within a structured folder tree websites can be configured to access this data For example an organizational website can provide a button to listen to or read the current broadcast program for a particular listening area When the button is clicked the website would access the text and or audio files maintained by iNOTiFY and present them to the internet user for play Phone trees are another application that can be applied to this stored broadcast data In fact most any system requiring access to the latest broadcast data can be configured to fetch this stored data As a result the reach of this emergency warning data is without bounds g General Announcements Lastly as introduced in section d above iNOTiFY is not limited to warning alert broadcasts iNOTiFY plus ChatterBox can also broadcast continual routine audio loops that contain time announcements public service announcements and the latest weather conditions As an example let s assume that a site is in a non emergency state iNOTiFY would accept routine announcement
8. 12 October 2012 The MPC Operators also have full control over all iNOTiFY servers in terms of operational state reboot application restart and failover Thus from a single location all iNOTiFY assets can be properly managed Should a server have problems the MPC operator will be notified in two ways A notification will be sent to his her iNOTiFY alarm mailbox plus a visual indicator will appear in the left hand pane of the main display Note This pane is shown in the screen capture on the previous page The MPC operators maintain all iNOTiFY operator accounts Each account is assigned a role that defines the permitted functions for that user i e administrator operations technician The MPC and field office user interfaces self tailor per the assigned role to gray out functions that are not authorized Role definition and the functions applicable to each role are configurable via a separate and provided security policy toolset Your organization can configure as many roles as needed to define the various responsibilities to be granted to your assigned operators In addition to account role definition and creation the MPC operator can also monitor who is logged onto the system and if the MPC operator sees something suspicious that account can be immediately locked disabled iNOTiFY Whitepaper CommPower iNOTiFY 13 October 2012 Now let s transition to the highlights of the BMMI i e the interface used to manage field of
9. This interface is used by a field office operator to monitor manage the ChatterBox assets assigned to that logical field office and thus offload this responsibility from the MPC operators In addition iNOTiFY offers a PC based interface to allow a field technician to tune the audio outputs of the ChatterBox unit to align with the expected input levels of the co located audio receiver device i e a transmitter Each of the above mentioned interfaces provide an extensive set of functions too many in fact to describe here Therefore please accept the following sampling If additional information is desired please contact us and we will customize a data package for you Let s first start with the AMMI interface which is used to manage the MPC Please note that iNOTiFY supports multiple instances of each interface type so you can have 2 or 3 or more AMMIs up and running each responsible for a different role iNOTiFY Whitepaper CommPower iNOTiFY 11 October 2012 This is one of the main screens that the operator would use to continuously monitor the system On the left hand side are indicators stating the overall status of MPC and field office assets The center of the display presents the current status of all iNOTiFY I O channels In this screen you will notice that the same channel types appear duplicated within the same row and also that the rows appear replicated This duplication is in fact parallel and redundant processing With
10. TiFY as a candidate In this capacity iNOTiFY can deliver the following as illustrated in Figure 2 on the following page a Coexistence of alerts and announcements plus custom broadcast programming for each listening area iNOTiFY ChatterBox broadcast units can be deployed as required to any location interested in receiving alert warning data Also since the ChatterBox delivers EAS alert data at the highest priority as an interrupt service there is no need to dedicate these ChatterBox units to only emergency services Feel free to use the ChatterBoxes to deliver local weather traffic announcements and upcoming community events Since the broadcast programming for each unit is entirely configurable you can determine what is broadcast where For example a ChatterBox at a police station might be programmed to broadcast traffic announcements and weather conditions whereas a ChatterBox at a mall might broadcast mall hours weather conditions and upcoming events Regardless of the local broadcasting content should an emergency occur the local broadcast program will interrupt immediately and automatically to allow timely delivery of the current alert warning In this capacity iNOTiFY provides a truly integrated and automated alert warning announcement service iNOTiFY Whitepaper CommPower iNOTiFY 2 October 2012 Figure 2 iNOTiFY Solution b Authorized operators can generate EAS type messages Using the iNOTiFY operator
11. bilities 4 iNOTiFY Applications iNOTiFY is an extremely flexible system that will deliver timely emergency warning data to most any interface type Please consider the following cases a Centralized or Distributed System At first glance a concern with iNOTiFY might be the management of the potentially large number of spokes i e ChatterBox units required to fulfill the national alert mission For these large installations iNOTiFY offers the concept of a field office also referred to as a WFO weather warning watch field office A field office is a logical grouping of ChatterBox units for a particular listening area Operators are assigned to each field office and charged with management of its allocated ChatterBox units This management is done via a remote interface that can be run from any compliant workstation In other words the field office is not a physical entity rather it is a logical entity managed via a portal interface Because of this it is perfectly acceptable to have one operator manage or co manage multiple field offices Additionally the responsibilities of a field office can be temporarily delegated to another field office for instances in which the principal field office needs to be offline When the principal office returns to operation its assets will likewise return and naturally the MPC operators retain ultimate control over all field offices and can override any all field office actions Figure
12. company the message the date time the message is to be broadcast where in the broadcast loop the message is to be played any lead in announcement data to precede the message broadcast the message language etc The User Manual describes all of the available controls Please contact CommPower if this additional information is desired Once the message has been prepared the operator can direct the system to play it back This will allow the operator to verify the resulting text to speech audio before it is played live When the operator is satisfied with the results the message can be submitted to the MPC for full processing iNOTiFY Whitepaper CommPower iNOTiFY 16 October 2012 As a true public alert system authorized field office operators can initiate live audio sessions to one multiple or all ChatterBoxes transmitters Full alert SAME tones are supported Recording volume controls via a CommPower produced hardware unit not shown and the associated recording indicators within the display allow the operator to tune the broadcast to proper audio levels A Time Remaining indicator is also included to keep the broadcast within a pre set time limit Lastly the live broadcast is recorded for archive and optional post scheduling i e replay For these live audio broadcast sessions no text to speech processing is performed because the data is already in audio format Therefore iNOTiFY need only relay the live audio stream to th
13. e applicable ChatterBox and voila the live audio will appear on the associated air waves iNOTiFY Whitepaper CommPower iNOTiFY 17 October 2012 Transmitter technicians utilize the iNOTiFY STATU interface above to align the audio output of the ChatterBox component to the corresponding transmitter broadcast levels Different settings are maintained for live voice synthesized voice and the various tone types This interface runs standalone on a standard laptop Windows XP Windows 7 This interface is also available within the more comprehensive BMMI interface Since alignment is performed on a particular audio type this interface supports test loops whereby the operator instructs the ChatterBox to play a specific audio file and or generate an extended tone so that alignment can be done against that controlled and constant audio stream iNOTiFY Whitepaper CommPower iNOTiFY 18 October 2012 There are so many iNOTiFY features worth mentioning i e software update controls system server broadcast configuration controls performance reporting chat mechanisms to allow iNOTiFY operators to communicate informally the list goes on Please contact us we d love to share all details of this system with you 7 Security The iNOTiFY system has been designed and implemented to stringent NIST security guidelines Examples of notable security features are as follows Role based processing so that only authorized ope
14. e announces the location of the bathrooms the elevators and the security gate iNOTiFY Whitepaper CommPower iNOTiFY 19 October 2012 When you reach the security check point you notice the verbal explanation of the security check point process Concise calm clear instructions of the various procedures required to clear security with minimal personal space invasion You clear security and head for the concourse As you arrive the voice announces alternate services available in the adjacent concourse saving you time spent trekking your kids back and forth Everyone has had a bite to eat and the final destination is within reach the flight gate After settling in the voice announces a delay in departure time but luckily not for your flight iNOTiFY Whitepaper CommPower iNOTiFY 20 October 2012 Application 2 Emergency Flight boarding is announced and you gather up your travel partners As you reach for your last carry on bag you notice a duffle adjacent to yours No one was seated in your immediate vicinity so you report the duffle to the attendant at the check in counter An announcement is made in vein No ownership is taken The attendant immediately reports the anomaly to security and this information is fed into the Field Office computer The message passes upstream to the Master Processing Center and a rule set configured for this particular installation forwards the occurrence to local law enforcement agencies Wi
15. fice resources The primary function of the BMMI operator is to ensure that the ChatterBox assets assigned to that field office are functioning properly For this responsibility the screen above is crucial The left hand pane presents a visual status summary of all ChatterBox transmitter assets In the screen above the green icons depict proper operation while red icons depict a down state Not shown are other colored icons that depict maintenance standby muted and not configured states Thus at a glance the operator can quickly ascertain the current status of his her ChatterBox units and proceed accordingly If the operator needs to service an asset he she would click the Transmitter Controls button to be taken directly to the screen for full control of that ChatterBox transmitter asset Within the main pane of the displayed screen is a broadcast status display This display allows the operator to view the broadcast loop for any ChatterBox transmitter unit It presents a visual summary of the broadcast loop with a status indicator pointing to the message currently being played The details of any message can be fetched displayed by selecting the desired message and clicking the Info button If the operator would like to listen to the broadcast he she would click the Monitor button and the audio output from that ChatterBox transmitter will be played via the operator s headset iNOTiFY Whitepaper CommPower iNOTiFY 14
16. hone trees reverse 911 systems etc can all take advantage of this data Specific real life iNOTiFY use cases are presented in Section 8 If you chose to skip over the more technical sections that follow please don t leave before visiting Section 8 as that section drives home the iNOTiFY message Availability CommPower has received authorization from FEMA to integrate the EAS feed into iNOTiFY We anticipate having this capability certified and available for use no later than the first quarter of 2013 All other features of iNOTiFY are available now 3 iNOTiFY Description In its simplest form iNOTiFY is a hub and spoke system that delivers weather warning data to only those individuals systems affected by the event Figure 3 presents a functional overview of this system Figure 3 iNOTiFY System Overview iNOTiFY Whitepaper CommPower iNOTiFY 4 October 2012 At the core of the iNOTiFY system is the Master Processing Center MPC The MPC is responsible for receiving the weather warning announcement data from a variety of input channel types i e message drop directory a website scrape or a web services feed validating and profiling the data including dirty word checks scheduling the data for broadcast and then disseminating the data to the appropriate transmission portals Based on the number of interfaces to be supported the MPC may range from a single workstation i e a mini footprint configuration to 6 commerc
17. ial grade servers i e a national configuration Also you are not locked into a fixed server set Should your system outgrow its MPC resources no problem additional servers can be added The modular architecture of the system software allows the hardware footprint to be uniquely yours Since the MPC is a centralized hub mission critical applications would warrant the presence of a backup MPC that can assume operations if when the primary MPC is unavailable iNOTiFY fully supports this redundant configuration with full operator directed failover and of course no loss of data This backup MPC can reside at a remote location separate from the primary MPC The only requirement is that there be reliable network connectivity between the sites The data transmission points or spokes of the iNOTiFY system are of two varieties a ChatterBox The ChatterBox is a self contained unit responsible for the broadcast of text and audio data to a co located FM transmitter or other audio receiver for public notification This unit is environmentally ruggedized for placement within harsh remote transmitter shelters however it is also perfectly happy within office environments Additionally it comes in solo and dual redundant configurations to fulfill high availability requirements The ChatterBox receives text and audio data from the MPC along with broadcast instructions such as when the data is to be broadcast the ordering of the broadcast data
18. ibed in section b above could be installed allowing the ChatterBox to automatically seize the audio channel when emergency data is to be broadcast d Public Offices The ChatterBox will connect directly to a speaker or other audio receiver This interface makes the ChatterBox ideal for public offices that require continuous and up to date information pertinent to their area Examples of use would include schools shopping malls airports train stations Government offices and anywhere else that the public tends to gather and or public safety personnel are employed In this configuration the ChatterBox can continually play routine public announcements with interrupts for emergency alerts or it can be configured to remain silent until emergency information is to be aired e User Radios Low cost commercial FM radios receivers are available to the public to receive the ChatterBox broadcasts These radios can be placed in homes cars and offices to play the local broadcast for that area Additionally most of these radios have the ability to detect the ChatterBox produced alert SAME tones and switch on automatically to immediately alert its owner of the current pending event Vendors for these residential grade radios include the following Please note that CommPower does not endorse a specific make or model of receiver The list below is provided as a courtesy only iNOTiFY Whitepaper CommPower iNOTiFY 9 October 20
19. in a given server multiple instances of a channel type can execute to support connectivity to numerous ChatterBox units In turn multiple servers are employed as necessary to support still more ChatterBox units Once the resources of a server are exhausted another server can be added to service additional ChatterBox units and so on and so forth If a server fails or is disabled manually the processing assigned to that server will automatically be distributed to the remaining servers without any loss of data Additionally detailed real time status information is displayed for each channel server This includes server resources CPU and memory server status enabled disabled channel status open closed suspended and the number of messages queued to each channel And while we are on the topic of I O Channels it is worth mentioning that iNOTiFY supports an automated input channel for submission of emergency warning data to iNOTiFY for onward distribution This input channel receives data in 3 ways via a file drop i e iNOTiFY monitors a directory for messages from a website scrape i e iNOTiFY will periodically mine data from a given website and also coming soon from a web services feed such as that provided by the U S Emergency Alert System EAS In addition messages can also be created and submitted via the BMMI interface This feature is explained further in the pages that follow iNOTiFY Whitepaper CommPower iNOTiFY
20. interface authorized individuals can originate EAS type messages to one some or all ChatterBox units Again this capability is reserved for authorized operators only as determined at logon If an operator is not authorized for EAS origination services this menu item will be grayed out and not selectable This dynamic tailoring of the iNOTiFY operator interface based on logon credentials means that authorized operators can originate an EAS type message anywhere and not via a specific workstation that may be inaccessible in an emergency Please note that this EAS origination capability is separate from standard announcement data generation which is governed by another authorization permission Hence you have full control over who can generate what types of data For example emergency managers would be granted permission to generate EAS type messages whereas a city administrator might be granted permission to generate local community event announcements and NOT EAS type messages c Complete integration with other public information systems Since iNOTiFY maintains all current broadcast data in text and audio formats on a designated storage device any website or phone tree can pick up this data and run with it iNOTiFY is not a closed system iNOTiFY Whitepaper CommPower iNOTiFY 3 October 2012 we fully support the notion that public alert warning data needs to be delivered to everyone via any all means City web pages school p
21. ire drill Bathrooms are checked School grounds are explored Teachers are questioned No luck A phone call is made to the district office to notify them of the situation A decision is made to heighten the incident to a security breach A notification describing the missing child is entered into the Field Office computer at the district office and the Master Processing Center relays this to the authorities Within minutes the Sheriff s station has authorized the school s notification which triggers an Amber Alert to be issued Soon afterward the police arrive at the school to investigate The teacher s mobile phone vibrates telling her that she has received a message Wow The Amber Alert has been broadcast via cellular providers in a 25 mile radius of the school The ChatterBox in the school office starts a recurring reminder to the staff to begin medical readiness procedures for students with significant ailments This same message is supplied in text or email format to a preconfigured list of school staff as well as the parents of the affected children This prompts the school health tech to initiate preparation for any all emergencies that could occur during the lock down The intercom system in the classrooms speaks of calming behavior while updating the status of the school lock down continuously You are at the market Well within the radius of the Amber Alert outreach You panic After the rush of adrenaline you read and re read the Amber
22. ration can be loaned to you In this configuration the MPC and operator interfaces run on a single workstation and disseminate alert warning announcement data to a handful of ChatterBox units which CommPower will gladly loan to you This fully functional mini footprint system will allow you to kick the tires of the system in a try before you buy capacity Additionally we would be happy to bring a mini footprint system to your office and provide a private demonstration to you and your team 10 Contact Us We hope that this whitepaper was successful in triggering further interest in iNOTiFY As a supplement to this paper an audio sample is available that exemplifies the broadcasts produced by iNOTiFY If you did not receive this sample as part of the whitepaper distribution please contact us and we will provide it to you CommPower is a small U S company located in Southern California We are extremely proud of this iNOTiFY system and welcome the opportunity to speak with you about it via phone email or in person You can contact us at Kathy Nuckles 1 805 389 7414 x129 kn commpower com iNOTiFY Whitepaper CommPower iNOTiFY 23 October 2012 John Codeus 1 805 389 7414 x125 jc commpower com Chuck Purcell 1 805 389 7414 x122 cjpurcell commpower com We look forward to hearing from you
23. rators have access to critical functions Multi factor logon for remote operator sessions Complex password controls and enforcement Auditing of all processing and operator actions Retention of all message and audit data for 62 days configurable SE Linux i e security enhanced operating system Lockdown of all data storage 8 Practical Applications Please allow CommPower to present 3 practical applications in which iNOTiFY is used to provide general announcement as well as emergency alert services This allows affected parties to be promptly and properly informed at all times Application 1 At peace LAX serves 61 different airlines in 9 different terminals A probable case for a Field Office installation as the playback schedules would be diverse and dynamic As you exit the mini van the ChatterBox warns of prohibited parking curbside it speaks of additional check in counters inside dwells on the merits of good child behavior and alerts of prudent luggage awareness You notice an accent in the voice but in a multi lingual region as Los Angeles you think nothing of it The doors part and you enter inside You are greeted by the voice as you enter and you are enlightened to hear your flight time has moved up 30 minutes as the thought of entertaining your kids for the next 3 hours before take off seems unbearable After being made aware of the self service check in computers the voic
24. thin 30 seconds the voice is halted and a new message is broadcast asking travelers to exit the specific gate you are located in as well as clearing the center of the corridors for emergency services to travel through You are constantly guided in your progress As you make your way back towards the security gate the message is reinforcing your route You notice police with dogs as well as special services making rapid progress towards the gate thanks to the freed up corridors As you exit the terminal law enforcement is already bussing travelers out of the terminals The voice is still there A constant guide Relentless in its pursuit of your safety What a day iNOTiFY Whitepaper CommPower iNOTiFY 21 October 2012 Application 3 School Event The morning warms to become the day as you drop off the kids for school They slam the door and peace is obtained Class begins Math Not a favorite but fortunately the lesson is interrupted by a fire drill Cool Everyone conjugates on the quad for 5 glorious minutes of no math Back in class the lesson resumes Time creeps again Wait another interruption This one is different The intercom system announces a lock down FUN Everyone is told to stay in the classrooms until further notice The teacher looks anxious but the kids are excited as the attention has once again been shifted away from the lesson In the school office it is confirmed that a student did not return to class after the f
25. ut channel This data can be used within the FM subcarrier or RDBS channel or other transmission medium to deliver the emergency warning data to the hearing impaired b External For all messages broadcast via the ChatterBox mechanisms a text audio copy is also maintained by the MPC on a designated storage device This data can be used by external systems and websites to deliver the exact same ChatterBox broadcast content via other means Use of this feature will be explored further in Section 4 Lastly since iNOTiFY is a true public alert announcement system not only does it support timely and prioritized distribution of message type data it also supports live audio broadcasting Using this interface any authorized iNOTiFY operator can conduct a live broadcast to one ChatterBox to a group of ChatterBoxes or to all ChatterBoxes interrupting the program currently being played This live session is also recorded within iNOTiFY for repeat broadcasting if desired Following the live broadcast each ChatterBox will revert back to its local broadcast program And for those of you who are interested in what is under the hood to the left is a picture of the internals of the ChatterBox unit Notice the complete redundancy iNOTiFY Whitepaper CommPower iNOTiFY 6 October 2012 With this high level description in mind Section 4 will explore practical applications of the iNOTiFY system to better explain and explore its capa
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