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Location Based File Exchange Controlled By Speech
(LBFE-S)
Final Project (Master Thesis)
By
Mohammed [email protected]
Supervisors
John A. Sørensen
&
Michael Lund
Project period:
1st September 2003 - 31st May 2004
Mohammed Marouf
Location Based File Exchange controlled By Speech
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Schedule Problem Statement LBFE-S Presentation LBFE-S Design and Implementation Test Conclusion and Future Work Demo Questions
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Location Based File Exchange controlled By Speech
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Problem Statement
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Location Based File Exchange controlled By Speech
Services Informing Service
File Uploading / Downloading Service
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LBFE-S Presentation
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LBFE-S Presentation
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LBFE-S Design and Implementation LBFE-S Architecture Client/Server Communication LBFE-S Data Sources LBFE-S Server Design LBFE-S Client Design Sequence Diagram
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LBFE-S Architecture
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Location Based File Exchange controlled By Speech
Service
one
Data Source
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Client/Server Communication (1-3) LBFE-S Internet protocol stack
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Client/Server Communication (2-3) LBFE-S Protocol
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Location Based File Exchange controlled By Speech
Located+ Position+ course &File names
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Client/Server Communication (3-3)
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Location Based File Exchange controlled By Speech
Threeway Handshake
LBFE-S Client
LBFE-S Server
Welcome Socket
Connection Socket
Client Socket
Time
Bytes
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Threading
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Location Based File Exchange controlled By Speech
LBFE-S Server Side
LBFE--S CLient
LBFE --S CLient
Server
Thread
Thread
Thread
Information Files
LBFE-SCLient
Port Number
8000
Re q u e s t
A c c e p tA c cept
A c c e p t
Request
Request
DateTime.java
Position Server
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LBFE-S Data sources Users.XML Data.XML
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Location Based File Exchange controlled By Speech
<Users><User>
<UserName> marouf</UserName><PassWord> marouf</PassWord>
</User>…
</Users>
<LBFE-S><Info>
<Room> 4.14 </Room><Day> Monday </Day>
<Month> October </Month> <Date> 27 </Date>
<TimeFrom> 9 </TimeFrom><TimeTo> 12 </TimeTo><Course> java </Course><FileName> brixtofte.txt
</FileName></Info>…
</LBFE-S>
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LBFE-S Server Design Accessing the data sources Authenticate users Position calculation
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Location Based File Exchange controlled By Speech
If
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LBFE-S Client design Speech Recognizer Speech Synthesizer
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The Speech Recognizer (1 of 2) The computer listens to the user speech, determines what is said and translates it into
understandable format for the computer.
Mohammed Marouf
Location Based File Exchange controlled By Speech
1. Speaker Dependent/Independent
2. Vocabulary size
Rule Grammar
grammar javax.speech.demo; Header
public <sentence> = Submit | Read me | Ok | Exit Body
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The Speech Recognizer (2 of 2)
3. Speech Recognizer classes
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Location Based File Exchange controlled By Speech
Isolated words
Connected words
Continuous speech
Spontaneous speech
4 . Quiet/Noisy environment
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The Speech Synthesizer Computer can speak JSML
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LBFE-S Sequence diagram
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Location Based File Exchange controlled By Speech
Speech Recognizer
Speech Synthesizer
Client Handler
Server Handler
The Data Stored in XMl files
Recognized Commands
Username+ password + client’s IP address
Validate username and password
results
Get the user’s Position
position
Registered
Spooken output
Room number + date + time
User’s Status
Event (Upload or download)
Upload or download files
User’s Status+ activity name+ filename
Position Server
Status+ Position + Activity name+ File name
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Test
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Location Based File Exchange controlled By Speech
System requirement
System analysis
System Design
Acceptance Test
Integration Test
Unit Test
Writing the code
LBFE-S needs
Failure
Success
Success
Success
Success
Failure
Failure
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Conclusion The accuracy of the EPE can affect the appliaction The accuracy of the speech recognizer was acceptable The results of the system were satisfactory
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Location Based File Exchange controlled By Speech
Future work LBFE-S is easy to extent Upload and download audio and video files Run LBFE-S on PDA Integrate LBFE-S with other systems
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Location Based File Exchange controlled By Speech
Demo
Thanks
Questions
