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Transcript of Virtual personal assistant
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VIRTUAL PERSONALASSISTANT
(VPA)PRESENTED BY,
SHUBHAM MAHESH BHALEKAR
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3Contents
1. Introduction.
2. History.
3. Basic Concepts Used.
4. Working.
5. Available Applications.
6. User Interfaces.
7. Comparison Between Popular Ones.
8. VPAs in Future.
9. Conclusion.
10. References
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4Introduction
What is Virtual Personal Assistant?
Concept of an artificial personal assistant.
Voice-controlled Personal Digital Assistants.
The combination of :
Automatic Speech Recognition.
Artificial Intelligence.
Natural Language Processing.
Inter Process Communication.
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5History
The first PDA was released in 1984 by Psion, the Organizer
Early PDA’s was devices having full keyboard and touch
screen, Which was also known as PALMs
Which was also known as PALMs
The concept of virtual assistant was first developed by
Joseph Weizenbaum of MIT in the late 60s.
The first chatterbot was “ELIZA”.
“JULIA” is an example of the second generation chatterbot.
“ALICE” is example of third generation chatterbot.
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6Basic Concepts Used
The working of Virtual Assistant uses following principles:
Natural Language Processing.
To Understand user’s speech input.
Automatic Speech Recognition.
To understand command according to user’s input.
Artificial Intelligence.
To learn things from user and to store all
information bout behavior and relations of user
Inter Process Communication.
To get important information from
other software applications.
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7Hardware And Software Requirements
Hardware: A phone with a touch screen interface. Phone Ram should be of a minimum 512 MB. Internet connectivity. The phone should have USB debugging mode for development
and testing purposes.
Software: Operating system should be android 4.1/win 8.1/IOS 6 or higher. The kernel version should be 3.0.16 or higher. Support of other basic applications like maps, calender,
camera, web connection etc.
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8Working
Any Virtual Assistant basically consists of three layers.
1. Speech to text
2. Text Analysing
3. Interpret commands
Input from user
Speech to text
Text Analysing
Interpret commands
Perform operation according
to command
Show output
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9Working- Three Layers
1. Speech to text: A Piece of software used that converts audio to text.
It doesn’t understand just anything you might say.
2. Text Analysing: Converted text is just letters for computer.
A piece of software converts text to something that is understandable
for computer.
Computer understands the command, so Virtual Assistant like siri
convert this text to computer command.
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10Working- Three Layers
VPAs maps the words to functions and parameters to create a
command that computer can understand.
Example of Reminder.
3. Interpret commands: In this layer, that mapped computer command, go to server through
internet. Simultaneously, your speech evaluated locally. A local recogniser communicate with server to judge whether command
will be best handle locally or not.Example:
Play Music, Restaurant reservation, Movie Rating
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11Available Applications
Name Platform
Google Now Android & IOS
Cortana Windows
Siri IOS
Robin Android
Dragon Go IOS
Evi Android
EasilyDo Android
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12Features
Speaks Naturally.
Communicate with surroundings and other objects.
Geofencing and Event based services.
Grows with you.
Get smarter every day.
Will entertain you.
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13FeaturesSome of the features of Virtual Assistant, you may ask him in day by
day uses are shown below:
Make Phone Calls
Schedule meetings & Appointments
Get Direction
Send Messages
Set Reminders
Ask Questions
Play Music & Videos
Wake me up at 6.30AM
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14User InterfaceGoogle Now
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15User InterfaceSiri
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16User InterfaceCortana
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17Comparison on Features of Popular VPAs in Market
Siri Cortana Google Now
Voice X
Voice Activation X
Touch Activation X X X
Interface X
Gathering information X X
Unique abilities X X
Totals 4 3 3
Here is comparison between most popular and commonly used three VPAs which are, Google Now, Siri, Cortana.
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18Timing and Accuracy“Where can I see the movie The Equalizer?”
Siri (3.5 seconds) Cortana (6 seconds) Google Now (5.47 seconds)
Best Answer: Google Now: While Siri was faster.
“Remind me to pick up the dry cleaning.” Siri: 2.7 seconds. Cortana: 5 seconds. Google Now (6 seconds)
Best Answer: Siri.
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19Advantages
These applications make small and smart hand-held devices to combine multiple features.
They allow you to export and import data. Store various information. Make to do lists. Recognizes voice commands. Controls various applications of device. Provides services regarding your location. Helps to plan your whole day. Reminds you important things on accurate situations or location. (Geofencing)
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20Dis-Advantages Listening problem.
VPA get problem to process wrong pronounced words and miscellaneous words.
Silent mode support. VPA gives response in voice output thus it doesn’t work properly in silent mode.
Navigation languages. Most of VPAs can understand only English language.
Internet access. VPA needs internet connection to give desired output.
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21VPAs in Future
Next step will be to strip back the physical hardware as far as possible
With the intelligence of the VA existing in the cloud, getting pulled in, and pushing its way into our lives on multiple devices on our bodies and in our offices, homes, and vehicles
Your VA will be continually prompting you with suggestions and taking instructions, and will know more about you than perhaps you do yourself.
We can expect this device to be implanted and permanent.
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22Conclusion
Virtual Personal Assistants are very effective way to organize your schedule. Now there are many Smart Personal Digital Assistant applications available in market for various device platforms.
These new Software Applications are performing really well than PDA devices as they provided with all resources of your smartphone.
VPAs are also reliable than Human Personal Assistant because, VPAs are more portable and you can use them anytime. They also have lot of information than any assistant as they are connected with internet.
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23
QUESTIONS ?
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24
Thank You
!