SPEAKER VERIFICATION SYSTEM

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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
FEATURE EXTRACTION
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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
FEATURE EXTRACTION
codebook
8 coefficients
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MAIN OBSTACLES
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication

• 2. How to match the feature patterns

HIDDEN MARKOV MODEL
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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
HIDDEN MARKOV MODEL
HIDDEN MARKOV MODEL
HIDDEN MARKOV MODEL
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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
HIDDEN MARKOV MODEL
HIDDEN MARKOV MODEL
LEFT-TO-RIGHT MODEL
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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
HIDDEN MARKOV MODEL
HIDDEN MARKOV MODEL
LEFT-TO-RIGHT MODEL
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SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
DATABASE
Etta
Trea
Tvåa
. . .
...
...
...
...
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SYSTEM OVERVIEW
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
9
IDENTIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
DSP CONSTANTLY LISTENING FOR CLIENTS
FOR EACH NEW SAMPLE, ENERGY OF THE LAST 32
SAMPLES IS CALCULATED
THE INCOMING WORD IS TRIGGED WHEN ENERGY EXCEEDS
A THRESHOLD
THE SPEACH IS DIVIDED INTO SEGMENTS, 256 SAMPLES
IN EACH SEGMENT
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IDENTIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
11
IDENTIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
VECTOR QUANTIZATION IS USED TO COMPUTE DISCRETE
VALUES FOR HMM
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IDENTIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
HMM MATCHES THE OBSERVATION WITH DIFFERENT
MODELS
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IDENTIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
14
SYSTEM OVERVIEW
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
15
VERIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
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VERIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
17
VERIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
18
VERIFICATION PROCEDURE
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
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SYSTEM OVERVIEW
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
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TRAINING
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
NEW DATA ADJUSTS THE CODEBOOK AND THE HMM USING
ITERATIVE ALGORITHMS
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TRAINING
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
NEW DATA ADJUSTS THE CODEBOOK
GENERALIZED LLOYD ALGORITHM
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TRAINING
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
NEW DATA ADJUSTS THE CODEBOOK
GENERALIZED LLOYD ALGORITHM
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TRAINING
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
NEW DATA ADJUSTS THE HMM
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RESULTS
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
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RESULTS
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
Imposter pdf
Client pdf
SCORE
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RESULTS
SPEAKER VERIFICATION SYSTEM
Project Course in Signal Processing and Digital
Communication
Imposter pdf
Client pdf
FALSE ACCEPTANCE lt 10
FALSE REJECTION lt 10
SCORE