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Artificial intelligence in
speech recognition
Prepared by:
Rajanivetha G
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Artificial intelligence??
• Create intelligent machines and software• Highly technical• Much preferred area• Lots of innovations
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Automatic speech
recognition
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What does it do??• Verbal human – machine interaction• Response from computer in natural language• User reliability• Simplified tasks
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Types of ASR• Text-independent identification• Text-independent verification• Text-dependent identification• Text-dependent verification
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Types of speech recognition system
• Speaker dependant• Speaker independent• Speaker adaptive
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How does it work??!!
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Advantages • Menial computer tasks• Assists paralysed people• Comfortable human-machine interaction• Saves time for user• Simple handling of software
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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
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Applications…
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Contd.....
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Contd...
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Soft wares available• Dragon• Ivona• CMU Sphinx• Emacspeak• Festival speech synthesis system• MARF• Non visual desktop access
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THANKQ