Voice Recognition

VOICE RECOGNITION AMRITA MORE – 416 AASHNA PARIKH - 417

INTRODUCTION ,[object Object],[object Object]

KEY TERMS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

REALIZATION OF MANDARIN SPEECH RECOGNITION SYSTEM USING SPHINX ,[object Object],[object Object],[object Object],[object Object],[object Object]

SPHINX ,[object Object],[object Object],[object Object],[object Object]

FEATURE EXTRACTION ,[object Object],[object Object],[object Object],[object Object],[object Object],Speech Data Feature Extraction Text Data Acoustic Model Recognition Engine Training Language Model output

Improved Acoustic Model Training ,[object Object],Speech Data Feature Extraction Text Data Acoustic Model Recognition Engine Training Language Model output

Language Model Training Text text2wfreq text2idngram Id-N-gram Wfreq2vocab idngram2lm lm3g2dmp vocab arpa.dmp arpa binlm2arpa

POCKET SPHINX ,[object Object],[object Object],[object Object],Language Model Text Data Speech Data Feature Extraction Acoustic Model Recognition Engine Training output

HIDDEN MARKOV MODEL (HMM) ,[object Object],[object Object],[object Object],[object Object]

HMM Background ,[object Object],[object Object],[object Object],[object Object],[object Object]

HMM Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

HMM Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Observable Markov Model Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Rainy Cloudy Sunny Rainy 0.4 0.3 0.3 Cloudy 0.2 0.6 0.2 Sunny 0.1 0.1 0.8

Common HMM Types ,[object Object],[object Object],[object Object],[object Object]

HMM Advantages ,[object Object],[object Object],[object Object],[object Object],[object Object]

HMM Uses ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

THE LEXICAL ACCESS COMPONENT OF THE CMU CONTINUOUS SPEECH RECOGNITION SYSTEM ,[object Object],[object Object],EXAMPLES WORD SYLLABIC NUCLEI Cat [kæt] [æ]

Word Hypothesizer System Diagram Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

MATCHING ENGINE ,[object Object],[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

THE LEXICON ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

ANCHOR GENERATION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

ANCHORS HAVE BEEN USED IN THE SYSTEM IN 2 MODES: ,[object Object],[object Object],[object Object],[object Object]

COARSE LABELER ,[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

PHONETIC LATTICE INTEGRATOR ,[object Object],[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

JUNCTION VERIFIER ,[object Object],[object Object],[object Object],[object Object],[object Object],Parser Verifier Coarse labeler Anchor Generator Lexicon Matcher Front End Lattice Integrator

CONCLUSION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

REFERENCES ,[object Object],[object Object],[object Object]

Voice Recognition

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