Inventor
RAMPRASHAD SEAN A
US45 patents
⚠️ This page may combine multiple inventors who share the name “RAMPRASHAD SEAN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPLE INC
26 patentsUS10482899B2Nov 19, 2019
Coordination of beamformers for noise estimation and noise suppression
APPLE INC31 citations93
US10013981B2Jul 3, 2018
Multi-microphone speech recognition systems and related techniques
APPLE INC26 citations93
US9516409B1Dec 6, 2016
Echo cancellation and control for microphone beam patterns
APPLE INC19 citations92
US10636434B1Apr 28, 2020
Joint spatial echo and noise suppression with adaptive suppression criteria
APPLE INC14 citations86
US11812194B1Nov 7, 2023
Private conversations in a virtual setting
APPLE INC18 citations85
US11295754B2Apr 5, 2022
Audio bandwidth reduction
APPLE INC12 citations84
US10381020B2Aug 13, 2019
Speech model-based neural network-assisted signal enhancement
APPLE INC10 citations84
US10187504B1Jan 22, 2019
Echo control based on state of a device
APPLE INC8 citations84
US9865265B2Jan 9, 2018
Multi-microphone speech recognition systems and related techniques
APPLE INC8 citations83
US12317061B2May 27, 2025
Systems, methods, and graphical user interfaces for using spatialized audio during communication sessions
APPLE INC2 citations73
US10313808B1Jun 4, 2019
Method and apparatus to sense the environment using coupled microphones and loudspeakers and nominal playback
APPLE INC4 citations73
US10299039B2May 21, 2019
Audio adaptation to room
APPLE INC4 citations73
US10244314B2Mar 26, 2019
Audio adaptation to room
APPLE INC4 citations73
US10614812B2Apr 7, 2020
Multi-microphone speech recognition systems and related techniques
APPLE INC3 citations72
US10304462B2May 28, 2019
Multi-microphone speech recognition systems and related techniques
APPLE INC4 citations72
US9516159B2Dec 6, 2016
System and method of double talk detection with acoustic echo and noise control
APPLE INC3 citations72
US10614857B2Apr 7, 2020
Calibrating media playback channels for synchronized presentation
APPLE INC3 citations70
US11456006B2Sep 27, 2022
System and method for determining audio output device type
APPLE INC0 citations62
US9301073B2Mar 29, 2016
Systems and methods for determining the condition of multiple microphones
APPLE INC2 citations62
US11721355B2Aug 8, 2023
Audio bandwidth reduction
APPLE INC1 citations61
US12177643B1Dec 24, 2024
Spatial audio controller
APPLE INC1 citations60
US11832077B2Nov 28, 2023
Spatial audio controller
APPLE INC0 citations60
US12283289B2Apr 22, 2025
Separating and rendering voice and ambience signals by offsetting impact of device movements
APPLE INC0 citations52
US9386371B2Jul 5, 2016
Psychoacoustic adaptive notch filtering
APPLE INC1 citations52
US9432787B2Aug 30, 2016
Systems and methods for determining the condition of multiple microphones
APPLE INC1 citations51
US10861210B2Dec 8, 2020
Techniques for providing audio and video effects
APPLE INC0 citations41
RAMPRASHAD SEAN A
4 patentsUS8542640B2Sep 24, 2013
Inter-cell approach to operating wireless beam-forming and user selection/scheduling in multi-cell environments based on limited signaling between patterns of subsets of cells
RAMPRASHAD SEAN A25 citations91
US8339948B2Dec 25, 2012
Method for improving capacity in multi-hop wireless mesh networks
RAMPRASHAD SEAN A10 citations82
US8089970B2Jan 3, 2012
Method and apparatus for managing admission and routing in multi-hop 802.11 networks taking into consideration traffic shaping at intermediate hops
RAMPRASHAD SEAN A12 citations82
US9048977B2Jun 2, 2015
Receiver terminal driven joint encoder and decoder mode adaptation for SU-MIMO systems
RAMPRASHAD SEAN A6 citations72
NTT DOCOMO INC
4 patentsUS7873514B2Jan 18, 2011
Method for quantizing speech and audio through an efficient perceptually relevant search of multiple quantization patterns
NTT DOCOMO INC11 citations84
US7885809B2Feb 8, 2011
Quantization of speech and audio coding parameters using partial information on atypical subsequences
NTT DOCOMO INC5 citations63
US10454829B2Oct 22, 2019
Enhanced local access in mobile communications using small node devices
NTT DOCOMO INC1 citations62
US8972827B2Mar 3, 2015
Method and apparatus for the joint design and operation of ARQ protocols with user scheduling for use with multiuser MIMO in the downlink of wireless systems
NTT DOCOMO INC0 citations52
CAIRE GIUSEPPE
3 patentsUS8705484B2Apr 22, 2014
Method for varying transmit power patterns in a multi-cell environment
CAIRE GIUSEPPE59 citations96
US8451951B2May 28, 2013
Channel classification and rate adaptation for SU-MIMO systems
CAIRE GIUSEPPE25 citations92
US8229443B2Jul 24, 2012
Method of combined user and coordination pattern scheduling over varying antenna and base-station coordination patterns in a multi-cell environment
CAIRE GIUSEPPE14 citations83
PAPADOPOULOS HARALABOS
3 patentsUS8855221B2Oct 7, 2014
Method and apparatus for iterative receiver structures for OFDM/MIMO systems with bit interleaved coded modulation
PAPADOPOULOS HARALABOS2 citations61
US8787259B2Jul 22, 2014
Method for efficient MU-MIMO transmission by joint assignments of transmission architecture, and interference alignment schemes using optimized user-code assignments and power-allocation
PAPADOPOULOS HARALABOS0 citations51
US8688154B2Apr 1, 2014
Method and apparatus for communicating with blind interference alignment using power allocation and/or transmission architecture
PAPADOPOULOS HARALABOS0 citations51
SHIRANI-MEHR HOOMAN
2 patentsUS9344177B2May 17, 2016
Method and apparatus for the joint design and operation of ARQ protocols with user scheduling for use with multiuser MIMO in the downlink of wireless systems
SHIRANI-MEHR HOOMAN0 citations51
US8327214B2Dec 4, 2012
Method and apparatus for the joint design and operation of ARQ protocols with user scheduling for use with multiuser MIMO in the downlink of wireless systems
SHIRANI-MEHR HOOMAN0 citations51