artificial intelligence in speech recognition

1

Artificial intelligence in

speech recognition

Prepared by:

Rajanivetha G

2

Artificial intelligence??

• Create intelligent machines and software• Highly technical• Much preferred area• Lots of innovations

3

Branches of AI

4

Automatic speech

recognition

5

What does it do??• Verbal human – machine interaction• Response from computer in natural language• User reliability• Simplified tasks

6

Types of ASR• Text-independent identification•  Text-independent verification•  Text-dependent identification•  Text-dependent verification

7

Types of speech recognition system

• Speaker dependant• Speaker independent• Speaker adaptive

8

How does it work??!!

9

Advantages • Menial computer tasks• Assists paralysed people• Comfortable human-machine interaction• Saves time for user• Simple handling of software

10

Disadvantages • Background noise difficulty• Different slangs, accents of users• Voice changeability based on body and

environmental condition (flu, cold, etc.)• Spontaneous speech• Mixed language• Expensive

11

Applications…

12

Contd.....

13

Contd...

14

Soft wares available• Dragon• Ivona• CMU Sphinx• Emacspeak• Festival speech synthesis system• MARF• Non visual desktop access

15

THANKQ