Inventor
Shiv Naga Prasad Vitaladevuni
Inventor
Cambridge, MA, US
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis43%
G06FElectric digital data processing16%
G06VImage or video recognition or understanding10%
G06KGraphical data reading8%
G06NComputing arrangements based on specific computational models6%
G01BMeasuring length, thickness or similar linear dimensions2%
G01CMeasuring distances, levels or bearings2%
G01MTesting static or dynamic balance of machines or structures2%
G01SRadio direction-finding2%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes2%
PatentTitleYear
11,132,990Wakeword and acoustic event detection202111,069,353Multilingual wakeword detection202111,043,218Wakeword and acoustic event detection202110,964,315Monophone-based background modeling for wakeword detection202110,872,599Wakeword training202010,832,662Keyword detection modeling using contextual information202010,796,716User presence detection202010,777,189Dynamic wakeword detection202010,510,340Dynamic wakeword detection201910,460,722Acoustic trigger detection201910,460,729Binary target acoustic trigger detecton201910,354,184Joint modeling of user behavior201910,304,440Keyword spotting using multi-task configuration201910,283,111Disambiguation in speech recognition201910,121,494User presence detection20189,940,949Dynamic adjustment of expression detection criteria20189,899,021'Stochastic modeling of user interactions with a detection system'20189,704,478'Audio output masking for improved automatic speech recognition'20179,697,828'Keyword detection modeling using contextual and environmental information'20179,600,231'Model shrinking for embedded keyword spotting'20179,589,560'Estimating false rejection rate in a detection system'20179,558,740'Disambiguation in speech recognition'20179,484,021'Disambiguation in speech recognition'20169,443,198'Low latency cascade-based detection system'20169,441,951'Documenting test room configurations'20169,367,736'Text detection using features associated with neighboring glyph pairs'20169,224,207'Segmentation co-clustering'20158,953,892'Efficient inner product computation for image and video analysis'20158,861,872'Image analysis using coefficient distributions with selective basis feature representation'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2015Patents assigned to RAYTHEON BBN TECHNOLOGIES CORP (3)· patent assignee history
2014–2020Based in Cambridge, MA, US· patent location history
2016–2021Patents assigned to AMAZON TECH INC (26)· patent assignee history
2019–2021Based in Belmont, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMAZON TECH INC | 26 | 2016–2021 |
| RAYTHEON BBN TECHNOLOGIES CORP | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cambridge, Massachusetts, US | 20 | 2014–2020 |
| Belmont, Massachusetts, US | 9 | 2019–2021 |