1. Voice Recognition
All Talk
No Walk

2. Different types of Recogniton
Speech Recognition
What is being said
Speaker Recognition
Who is speaking
Speaker Diarisation
Voice Recognition (Combination)
More accurate

3. Verification vs. Identification
Verification, Comparing two samples 1:1
Also known as authentication
Identification Comparing a sample to a database 1:N
Used to identify with previous peoples
Passport/Police Sketch analogy

4. Technology
Just a microphone and computer
Can be used over the phone

5. How Dis Software be Functionin
Speaker Recognition
Two Stippy Steps
Enrollment
Verification
Takes characteristics from your voice to be compared later on

6. Speech Recognition frequency estimation hidden Markov models
Gaussian mixture models
pattern matching algorithms
neural networks
matrix representation
Vector Quantization
decision trees

8. Pros Non-Invasive Minimal Equipment Can be used over the phone
Adaptable
Versatile

9. Cons
Easily fooled
Changes in voice
Aging
Attitude changes

10. SheRif Waz Here!

11. Its in use…
Banking
Over the phone accounts
Police buisnessesses

12. So Yeah Tiny Giraafis