Inventor
Sylvain J. Choisel
Inventor
Palo Alto, CA, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers40%
H04SStereophonic systems31%
G10LSpeech analysis techniques or speech synthesis10%
G06FElectric digital data processing5%
G01SRadio direction-finding3%
G10KSound-producing devices3%
H03GControl of amplification3%
H04MTelephonic communication3%
H04NPictorial communication, e.g. television2%
PatentTitleYear
10,945,090Surround sound rendering based on room acoustics202110,893,363Self-equalizing loudspeaker system202110,674,308Coordinated tracking for binaural audio rendering202010,609,484Audio system with configurable zones202010,438,580Active reverberation augmentation201910,425,733Microphone equalization for room acoustics201910,405,125Spatial audio rendering for beamforming loudspeaker array201910,313,808Method and apparatus to sense the environment using coupled microphones and loudspeakers and nominal playback201910,306,391Stereophonic to monophonic down-mixing201910,299,039Audio adaptation to room201910,278,003Coordinated tracking for binaural audio rendering201910,264,351Loudspeaker orientation systems201910,244,314Audio adaptation to room201910,194,249Multi-coil loudspeaker driver201910,149,087Acoustic change detection201810,109,292Audio systems with active feedback acoustic echo cancellation201810,063,984Method for creating a virtual acoustic stereo system with an undistorted acoustic center201810,028,071Binaural sound reproduction system having dynamically adjusted audio output201810,019,981Active reverberation augmentation20189,992,595Acoustic change detection20189,961,464Pressure gradient microphone for measuring an acoustic characteristic of a loudspeaker20189,942,686Spatial audio rendering for beamforming loudspeaker array20189,900,723'Multi-channel loudspeaker matching using variable directivity'20189,883,140'Using the location of a near-end user in a video stream to adjust audio settings of a far-end system'20189,769,552'Method and apparatus for estimating talker distance'20179,743,181'Loudspeaker equalizer'20178,279,709'Loudspeaker position estimation'2012Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2012Patents assigned to BANG & OLUFSEN AS (1)· patent assignee history
2012Patents assigned to CHOISEL SYLVAIN (1)· patent assignee history
2012Patents assigned to HLATKY MICHAEL (1)· patent assignee history
2012Patents assigned to MARTIN GEOFFREY GLEN (1)· patent assignee history
2012Based in Brussels, BE· patent location history
2017–2021Patents assigned to APPLE INC (26)· patent assignee history
2017–2020Based in San Francisco, CA, US· patent location history
2017–2018Based in Cupertino, CA, US· patent location history
2018–2021Based in Palo Alto, CA, US· patent location history
2021Based in Paris, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| APPLE INC | 26 | 2017–2021 |
| BANG & OLUFSEN AS | 1 | 2012 |
| CHOISEL SYLVAINself | 1 | 2012 |
| HLATKY MICHAEL | 1 | 2012 |
| MARTIN GEOFFREY GLEN | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Palo Alto, California, US | 15 | 2018–2021 |
| San Francisco, California, US | 8 | 2017–2020 |
| Cupertino, California, US | 2 | 2017–2018 |
| Paris, FR | 1 | 2021 |
| Brussels, BE | 1 | 2012 |