Inventor

Michael J. Smithers

Inventor
Kareela, AU

Overview

43→
Patents
2004–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 43 as inventor

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

G10Lprimary
G10LSpeech analysis techniques or speech synthesis24%
H03GControl of amplification17%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers17%
H04SStereophonic systems13%
H03MCoding9%
G06FElectric digital data processing6%
G11BInformation storage based on relative movement between record carrier and transducer5%
G10KSound-producing devices2%
H04NPictorial communication, e.g. television2%
G10HElectrophonic musical instruments1%
PatentTitleYear
11,006,212Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering202110,959,034Reducing unwanted sound transmission202110,880,636Audio speaker with full-range upward firing driver for reflected sound projection202010,812,895Multi-driver loudspeaker with cross-coupled dual wave-columns2020RE048271Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients2020RE048210Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients202010,602,263Planar loudspeaker manifold for improved sound dispersion202010,595,128Passive and active virtual height filter systems for upward firing drivers202010,425,723Upward firing loudspeaker having asymmetric dispersion for reflected sound rendering201910,313,793Passive and active virtual height filter systems for upward firing drivers201910,283,137Device and method for tuning a frequency-dependent attenuation stage201910,090,817System and method for leveling loudness variation in an audio signal20189,986,338Reflected sound rendering using downward firing drivers20189,960,742System and method for leveling loudness variation in an audio signal2018RE046684Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients20189,842,596'Adaptive processing with multiple media processing nodes'20179,806,688'System and method for leveling loudness variation in an audio signal'20179,754,578'Loudspeaker horn and cabinet'20179,584,083'Loudness modification of multichannel audio signals'20179,564,139'Audio data hiding based on perceptual masking and detection based on code multiplexing'20179,306,524'Audio signal loudness determination and modification in the frequency domain'20169,269,363'Audio data hiding based on perceptual masking and detection based on code multiplexing'20168,892,426'Audio signal loudness determination and modification in the frequency domain'20148,761,415'Controlling the loudness of an audio signal in response to spectral localization'20148,731,215'Loudness modification of multichannel audio signals'20148,600,074'Loudness modification of multichannel audio signals'20138,504,181'Audio signal loudness measurement and modification in the MDCT domain'20138,488,811'Audio-peak limiting in slow and fast stages'20138,437,482'Method, apparatus and computer program for calculating and adjusting the perceived loudness of an audio signal'2013RE044126'Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients'20138,396,574'Audio processing using auditory scene analysis and spectral skewness'20138,239,050'Economical loudness measurement of coded audio'2012RE042935'Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients'20118,032,385'Method for correcting metadata affecting the playback loudness of audio information'20118,019,095'Loudness modification of multichannel audio signals'20117,617,109'Method for correcting metadata affecting the playback loudness and dynamic range of audio information'20097,508,947'Method for combining audio signals using auditory scene analysis'20097,461,002'Method for time aligning audio signals using characterizations based on auditory events'20087,292,902'Frame-based audio transmission/storage with overlap to facilitate smooth crossfading'20077,283,954'Comparing audio using characterizations based on auditory events'20076,980,933'Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients'20056,961,718'Vector estimation system, method and associated encoder'20056,725,412'Low latency data encoder'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004–2016Patents assigned to DOLBY LAB LICENSING CORP (21)· patent assignee history
2004–2013Based in San Francisco, CA, US· patent location history
2005–2013Based in San Mateo, CA, US· patent location history
2011–2021Based in Kareela, AU· patent location history
2012–2014Patents assigned to SMITHERS MICHAEL JOHN (5)· patent assignee history
2012–2013Patents assigned to CROCKETT BRETT GRAHAM (4)· patent assignee history
2012–2014Patents assigned to SEEFELDT ALAN JEFFREY (4)· patent assignee history
2016–2017Based in McMahons Point, AU· patent location history
2017–2021Patents assigned to DOLBY LABORATORIES LICENSING CORP (20)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOLBY LAB LICENSING CORP212004–2016
DOLBY LABORATORIES LICENSING CORP202017–2021
SMITHERS MICHAEL JOHNself52012–2014
CROCKETT BRETT GRAHAM42012–2013
SEEFELDT ALAN JEFFREY42012–2014
Locations
LocationPatentsSpan
Kareela, AU312011–2021
San Francisco, California, US72004–2013
San Mateo, California, US32005–2013
McMahons Point, AU22016–2017