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Inventor

James G. Droppo

Inventor
Duvall, WA, US

Overview

50→
Patents
2001–2021
Patent span
Physics
Primary field (CPC G)

Patents· 50 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G10Lprimary
G10LSpeech analysis techniques or speech synthesis80%
G01KMeasuring temperature6%
G06NComputing arrangements based on specific computational models6%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers6%
G06FElectric digital data processing2%
G06VImage or video recognition or understanding2%
PatentTitleYear
11,049,006Computing system for training neural networks202110,885,438Self-stabilized deep neural network202110,629,193Advancing word-based speech recognition processing202010,558,909Linearly augmented neural network202010,460,727Multi-talker speech recognizer20199,824,684'Prediction-based sequence recognition'20179,786,284'Dual-band speech encoding and estimating a narrowband speech feature from a wideband speech feature'20179,779,727'Mixed speech recognition'20179,558,742'Mixed speech recognition'20179,390,712'Mixed speech recognition'20169,082,403'Spoken utterance classification training for a speech recognition system'20159,009,039'Noise adaptive training for speech recognition'20158,818,797'Dual-band speech encoding'20148,615,393'Noise suppressor for speech recognition'20138,532,985'Warped spectral and fine estimate audio encoding'20138,401,852'Utilizing features generated from phonic units in speech recognition'20138,379,891'Loudspeaker array design'20138,306,817'Speech recognition with non-linear noise reduction on Mel-frequency cepstra'20128,180,636'Pitch model for noise estimation'20127,925,502'Pitch model for noise estimation'20117,885,812'Joint training of feature extraction and acoustic model parameters for speech recognition'20117,769,582'Method of pattern recognition using noise reduction uncertainty'20107,725,314'Method and apparatus for constructing a speech filter using estimates of clean speech and noise'20107,680,656'Multi-sensory speech enhancement using a speech-state model'20107,617,098'Method of noise reduction based on dynamic aspects of speech'20097,590,529'Method and apparatus for reducing noise corruption from an alternative sensor signal during multi-sensory speech enhancement'20097,574,008'Method and apparatus for multi-sensory speech enhancement'20097,542,900'Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization'20097,516,067'Method and apparatus using harmonic-model-based front end for robust speech recognition'20097,460,992'Method of pattern recognition using noise reduction uncertainty'20087,447,630'Method and apparatus for multi-sensory speech enhancement'20087,418,383'Noise robust speech recognition with a switching linear dynamic model'20087,363,221'Method of noise reduction using instantaneous signal-to-noise ratio as the principal quantity for optimal estimation'20087,289,955'Method of determining uncertainty associated with acoustic distortion-based noise reduction'20077,266,494'Method and apparatus for identifying noise environments from noisy signals'20077,200,557'Method of reducing index sizes used to represent spectral content vectors'20077,181,390'Noise reduction using correction vectors based on dynamic aspects of speech and noise normalization'20077,174,292'Method of determining uncertainty associated with acoustic distortion-based noise reduction'20077,165,026'Method of noise estimation using incremental bayes learning'20077,139,703'Method of iterative noise estimation in a recursive framework'20067,117,148'Method of noise reduction using correction vectors based on dynamic aspects of speech and noise normalization'20067,107,210'Method of noise reduction based on dynamic aspects of speech'20067,103,540'Method of pattern recognition using noise reduction uncertainty'20067,047,047'Non-linear observation model for removing noise from corrupted signals'20066,959,276'Including the category of environmental noise when processing speech signals'20056,944,590'Method of iterative noise estimation in a recursive framework'20056,834,992'Acoustic pyrometer'20046,726,358'Acoustic pyrometer'20046,386,755'Acoustic pyrometer'20026,226,606'Method and apparatus for pitch tracking'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2016Patents assigned to MICROSOFT CORP (35)· patent assignee history
2001–2004Based in Mountlake Terrace, WA, US· patent location history
2002–2004Patents assigned to COMB SPECIALISTS INC (3)· patent assignee history
2005–2013Based in Duvall, WA, US· patent location history
2012–2015Patents assigned to ACERO ALEJANDRO (8)· patent assignee history
2012–2013Patents assigned to DROPPO JAMES G (5)· patent assignee history
2013–2021Based in Carnation, WA, US· patent location history
2015–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MICROSOFT CORP352001–2016
MICROSOFT TECHNOLOGY LICENSING LLC122015–2021
ACERO ALEJANDRO82012–2015
DROPPO JAMES Gself52012–2013
COMB SPECIALISTS INC32002–2004
Locations
LocationPatentsSpan
Duvall, Washington, US312005–2013
Carnation, Washington, US152013–2021
Mountlake Terrace, Washington, US42001–2004