Inventor
HELWANI KARIM
US34 patents
⚠️ This page may combine multiple inventors who share the name “HELWANI KARIM”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON TECH INC
13 patentsUS10878812B1Dec 29, 2020
Determining devices to respond to user requests
AMAZON TECH INC18 citations85
US12014748B1Jun 18, 2024
Speech enhancement machine learning model for estimation of reverberation in a multi-task learning framework
AMAZON TECH INC14 citations84
US12008457B1Jun 11, 2024
Convolutional neural network with positional embeddings for audio processing
AMAZON TECH INC4 citations73
US11924367B1Mar 5, 2024
Joint noise and echo suppression for two-way audio communication enhancement
AMAZON TECH INC6 citations72
US11521637B1Dec 6, 2022
Ratio mask post-filtering for audio enhancement
AMAZON TECH INC4 citations71
US11875810B1Jan 16, 2024
Echo cancellation using neural networks for environments with unsynchronized devices for audio capture and rendering
AMAZON TECH INC3 citations66
US11468354B1Oct 11, 2022
Adaptive target presence probability estimation
AMAZON TECH INC3 citations65
US12340281B2Jun 24, 2025
Prognostics and health management service
AMAZON TECH INC1 citations62
US12205039B1Jan 21, 2025
Group masked autoencoder for anomaly detection
AMAZON TECH INC1 citations61
US12444398B1Oct 14, 2025
Manifold learning for sound field estimation
AMAZON TECH INC0 citations51
US12175434B2Dec 24, 2024
Prognostics and health management service
AMAZON TECH INC0 citations50
US12167223B2Dec 10, 2024
Real-time low-complexity stereo speech enhancement with spatial cue preservation
AMAZON TECH INC0 citations50
US12499904B1Dec 16, 2025
Machine learning model that estimates human audio quality assessments
AMAZON TECH INC0 citations47
STARKEY LABS INC
12 patentsUS9848273B1Dec 19, 2017
Head related transfer function individualization for hearing device
STARKEY LABS INC92 citations95
US10133544B2Nov 20, 2018
Hearing device incorporating user interactive auditory display
STARKEY LABS INC7 citations84
US10617842B2Apr 14, 2020
Ear-worn electronic device for conducting and monitoring mental exercises
STARKEY LABS INC10 citations79
US10580427B2Mar 3, 2020
Ear-worn electronic device incorporating annoyance model driven selective active noise control
STARKEY LABS INC3 citations73
US12236968B2Feb 25, 2025
Ear-worn electronic device incorporating annoyance model driven selective active noise control
STARKEY LABS INC0 citations62
US11875812B2Jan 16, 2024
Ear-worn electronic device incorporating annoyance model driven selective active noise control
STARKEY LABS INC0 citations62
US11423922B2Aug 23, 2022
Ear-worn electronic device incorporating annoyance model driven selective active noise control
STARKEY LABS INC0 citations62
US10942700B2Mar 9, 2021
Hearing device incorporating user interactive auditory display
STARKEY LABS INC0 citations62
US11517708B2Dec 6, 2022
Ear-worn electronic device for conducting and monitoring mental exercises
STARKEY LABS INC0 citations58
US10872616B2Dec 22, 2020
Ear-worn electronic device incorporating annoyance model driven selective active noise control
STARKEY LABS INC0 citations52
US10620905B2Apr 14, 2020
Hearing device incorporating user interactive auditory display
STARKEY LABS INC0 citations52
US11445306B2Sep 13, 2022
Method and apparatus for robust acoustic feedback cancellation
STARKEY LABS INC0 citations50
HUAWEI TECH CO LTD
8 patentsUS10602267B2Mar 24, 2020
Sound signal processing apparatus and method for enhancing a sound signal
HUAWEI TECH CO LTD37 citations90
US9838825B2Dec 5, 2017
Audio signal processing device and method for reproducing a binaural signal
HUAWEI TECH CO LTD4 citations72
US9830926B2Nov 28, 2017
Signal processing apparatus, method and computer program for dereverberating a number of input audio signals
HUAWEI TECH CO LTD3 citations71
US10504245B2Dec 10, 2019
Image processing device and method for color balancing
HUAWEI TECH CO LTD1 citations58
US10600426B2Mar 24, 2020
Audio signal processing apparatuses and methods
HUAWEI TECH CO LTD0 citations41
US10224043B2Mar 5, 2019
Audio signal processing apparatuses and methods
HUAWEI TECH CO LTD0 citations41
US10679642B2Jun 9, 2020
Signal processing apparatus and method
HUAWEI TECH CO LTD0 citations38
US10284993B2May 7, 2019
Apparatus and method for driving an array of loudspeakers
HUAWEI TECH CO LTD0 citations36