Inventor
VITALADEVUNI SHIV NAGA PRASAD
US38 patents
Patents
38 patentsUS9697828B1Jul 4, 2017
Keyword detection modeling using contextual and environmental information
AMAZON TECH INC362 citations99
US10510340B1Dec 17, 2019
Dynamic wakeword detection
AMAZON TECH INC154 citations98
US9899021B1Feb 20, 2018
Stochastic modeling of user interactions with a detection system
AMAZON TECH INC92 citations98
US10777189B1Sep 15, 2020
Dynamic wakeword detection
AMAZON TECH INC123 citations97
US10304440B1May 28, 2019
Keyword spotting using multi-task configuration
AMAZON TECH INC103 citations97
US9704478B1Jul 11, 2017
Audio output masking for improved automatic speech recognition
AMAZON TECH INC201 citations97
US9484021B1Nov 1, 2016
Disambiguation in speech recognition
AMAZON TECH INC267 citations97
US11069353B1Jul 20, 2021
Multilingual wakeword detection
AMAZON TECH INC61 citations95
US9600231B1Mar 21, 2017
Model shrinking for embedded keyword spotting
AMAZON TECH INC66 citations95
US9558740B1Jan 31, 2017
Disambiguation in speech recognition
AMAZON TECH INC55 citations95
US10121494B1Nov 6, 2018
User presence detection
AMAZON TECH INC36 citations94
US9940949B1Apr 10, 2018
Dynamic adjustment of expression detection criteria
AMAZON TECH INC43 citations94
US9589560B1Mar 7, 2017
Estimating false rejection rate in a detection system
AMAZON TECH INC36 citations94
US10872599B1Dec 22, 2020
Wakeword training
AMAZON TECH INC25 citations93
US10460729B1Oct 29, 2019
Binary target acoustic trigger detecton
AMAZON TECH INC53 citations93
US10354184B1Jul 16, 2019
Joint modeling of user behavior
AMAZON TECH INC39 citations93
US11355102B1Jun 7, 2022
Wakeword detection
AMAZON TECH INC20 citations92
US11205420B1Dec 21, 2021
Speech processing using a recurrent neural network
AMAZON TECH INC27 citations90
US9367736B1Jun 14, 2016
Text detection using features associated with neighboring glyph pairs
AMAZON TECH INC21 citations90
US11132990B1Sep 28, 2021
Wakeword and acoustic event detection
AMAZON TECH INC13 citations85
US11043218B1Jun 22, 2021
Wakeword and acoustic event detection
AMAZON TECH INC11 citations85
US10964315B1Mar 30, 2021
Monophone-based background modeling for wakeword detection
AMAZON TECH INC10 citations85
US9443198B1Sep 13, 2016
Low latency cascade-based detection system
AMAZON TECH INC19 citations84
US11308939B1Apr 19, 2022
Wakeword detection using multi-word model
AMAZON TECH INC13 citations83
US11521599B1Dec 6, 2022
Wakeword detection using a neural network
AMAZON TECH INC18 citations82
US10460722B1Oct 29, 2019
Acoustic trigger detection
AMAZON TECH INC8 citations82
US10283111B1May 7, 2019
Disambiguation in speech recognition
AMAZON TECH INC8 citations82
US11657832B2May 23, 2023
User presence detection
AMAZON TECH INC2 citations73
US11657804B2May 23, 2023
Wake word detection modeling
AMAZON TECH INC1 citations73
US10832662B2Nov 10, 2020
Keyword detection modeling using contextual information
AMAZON TECH INC3 citations73
US12039975B2Jul 16, 2024
Dialog management for multiple users
AMAZON TECH INC3 citations72
US11996097B2May 28, 2024
Multilingual wakeword detection
AMAZON TECH INC2 citations70
US11769496B1Sep 26, 2023
Predictive deletion of user input
AMAZON TECH INC4 citations69
US11699433B2Jul 11, 2023
Dynamic wakeword detection
AMAZON TECH INC0 citations62
US11670299B2Jun 6, 2023
Wakeword and acoustic event detection
AMAZON TECH INC0 citations59
US10796716B1Oct 6, 2020
User presence detection
AMAZON TECH INC0 citations52
US9441951B1Sep 13, 2016
Documenting test room configurations
AMAZON TECH INC1 citations51
US12518745B1Jan 6, 2026
Natural language processing
AMAZON TECH INC0 citations46