CellPhone Protection Ppt Seminars
Content
CONTENTS
Introduction Need for cell phone protection Existing security measures Biometric authentiction Voice recognition Cell phone architecture Heart of cell phone
INTRODUCTION
• Our paper proposes a new innovative, reliable, fool proof security measure for cell phones using VOICE RECOGNITION • The voice of the user is processed (Speech Processing) using a digital signal processor which is the prime part of a cell phone
NEED FOR PROTECTION
• The threat for cell phones is also increasing. Stealing a cell phone and selling them in black market has grown into a profiting business. • There arises a need to adopt a fool proof security system to prevent these unlawful activities, unauthorized usage and safeguard the user.
EXISTING SECURITY MEASURES
> PASSWORD • A password should never be written down, never be given to another person, and should be changed at least every three months. • Besides these, a sedative technician can break these passwords and PIN numbers
VOICE RECOGNITION
• Voice recognition is the identification or verification of an individual identity using speech as the identifying characteristic. • To identify its auditory and vocal characteristics. An individual speech spectrum is of the form as shown here.
SPEECH AMPLITUDE SPECTRUM
VOICE I/P
1011011 VOICE SPEECH CHARACTERISTICS DIGITIZATION ANALYSIS
VOICE CHARACTERISTICS DATABASE
SEARCH /MATCHING RESULTS
NO MATCH
YES
PROCESS MATCH
PROCESS NO MATCH
CELL PHONE ARCHITECTURE
Kernel which is nothing but a microprocessor. Vocoder is a DSP (digital signal processor). Memory (SRAM, Flash RAM,ROM,&EEPROM) RF interface for transmitting and receiving of data. Base band interface. System clock (an oscillator producing frequency) SIM card interface.
VOCODER (DSP) I/P SPECTRUM
1011010
MOMORY (Flash memory)
CODING AND STORING OF SPEECH SPECTRUM
FREQUENCY
TIME GOOD MORNING AUDIO SPECTRUM
TRANSMISSION
AUTHORISED USER
UNAUTHORISED USER
NO TRANSMISSION
COMPARATIVE ANALYSIS
Biometric trait
VOICE
Feature
Tone or timbre
sensor
Microphone
Costs
Comfort
Accuracy
Very low
Very Easy
High
IRIS Ear form
Iris pattern
camera
Very high High High
Very Difficult Difficult
Very high High High
Dimension of camera Visible ear
Measurement HAND camera Of fingers GEOMETRY & palm Rhythm of Keyboard strokes
Easy
KEY board strokes
Key-board
Very low
Easy
Very low
MERITS OF OUR PROPOSED SYSTEM
No external hardware. No increase in cost of cell phone. No difficulty for user (as he talks as usual). Programming is easy. Burglar proof. Protection from unauthorized usage. Can be used for all models of cell phones
Introduction Need for cell phone protection Existing security measures Biometric authentiction Voice recognition Cell phone architecture Heart of cell phone
INTRODUCTION
• Our paper proposes a new innovative, reliable, fool proof security measure for cell phones using VOICE RECOGNITION • The voice of the user is processed (Speech Processing) using a digital signal processor which is the prime part of a cell phone
NEED FOR PROTECTION
• The threat for cell phones is also increasing. Stealing a cell phone and selling them in black market has grown into a profiting business. • There arises a need to adopt a fool proof security system to prevent these unlawful activities, unauthorized usage and safeguard the user.
EXISTING SECURITY MEASURES
> PASSWORD • A password should never be written down, never be given to another person, and should be changed at least every three months. • Besides these, a sedative technician can break these passwords and PIN numbers
VOICE RECOGNITION
• Voice recognition is the identification or verification of an individual identity using speech as the identifying characteristic. • To identify its auditory and vocal characteristics. An individual speech spectrum is of the form as shown here.
SPEECH AMPLITUDE SPECTRUM
VOICE I/P
1011011 VOICE SPEECH CHARACTERISTICS DIGITIZATION ANALYSIS
VOICE CHARACTERISTICS DATABASE
SEARCH /MATCHING RESULTS
NO MATCH
YES
PROCESS MATCH
PROCESS NO MATCH
CELL PHONE ARCHITECTURE
Kernel which is nothing but a microprocessor. Vocoder is a DSP (digital signal processor). Memory (SRAM, Flash RAM,ROM,&EEPROM) RF interface for transmitting and receiving of data. Base band interface. System clock (an oscillator producing frequency) SIM card interface.
VOCODER (DSP) I/P SPECTRUM
1011010
MOMORY (Flash memory)
CODING AND STORING OF SPEECH SPECTRUM
FREQUENCY
TIME GOOD MORNING AUDIO SPECTRUM
TRANSMISSION
AUTHORISED USER
UNAUTHORISED USER
NO TRANSMISSION
COMPARATIVE ANALYSIS
Biometric trait
VOICE
Feature
Tone or timbre
sensor
Microphone
Costs
Comfort
Accuracy
Very low
Very Easy
High
IRIS Ear form
Iris pattern
camera
Very high High High
Very Difficult Difficult
Very high High High
Dimension of camera Visible ear
Measurement HAND camera Of fingers GEOMETRY & palm Rhythm of Keyboard strokes
Easy
KEY board strokes
Key-board
Very low
Easy
Very low
MERITS OF OUR PROPOSED SYSTEM
No external hardware. No increase in cost of cell phone. No difficulty for user (as he talks as usual). Programming is easy. Burglar proof. Protection from unauthorized usage. Can be used for all models of cell phones
