Inventor · disambiguated record
Samuel Ponvarma Ebenezer
Also filed as: EBENEZER SAMUEL · EBENEZER SAMUEL P · EBENEZER SAMUEL PONVARMA
16 granted patents·1 pending application·251 citations·filing 2002–2022
93Inventor score
Files withCIRRUS LOGIC INT SEMICONDUCTOR LTD7ACOUSTIC TECH INC4EBENEZER SAMUEL PONVARMA3CIRRUS LOGIC INC2ACOUSTIC TECHNOLOGY INC1
Top patents by PatentIndex Score
17 records- 0195US10015589B1Controlling speech enhancement algorithms using near-field spatial statisticsEBENEZER SAMUEL PONVARMA·Filed 2011·Granted Jul 3, 2018·50 cites·10 claims
- 0294US8565446B1Estimating direction of arrival from plural microphonesEBENEZER SAMUEL PONVARMA·Filed 2010·Granted Oct 22, 2013·31 cites·17 claims
- 0390US9607603B1Adaptive block matrix using pre-whitening for adaptive beam formingCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2015·Granted Mar 28, 2017·12 cites·32 claims
- 0489US11025324B1Initialization of adaptive blocking matrix filters in a beamforming array using a priori informationCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2020·Granted Jun 1, 2021·3 cites·24 claims
- 0588US11564035B1Active noise cancellation system using infinite impulse response filteringCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2021·Granted Jan 24, 2023·2 cites·28 claims
- 0687US7454010B1Noise reduction and comfort noise gain control using bark band weiner filter and linear attenuationACOUSTIC TECH INC·Filed 2004·Granted Nov 18, 2008·57 cites·8 claims
- 0782US9674626B1Apparatus and method for measuring relative frequency response of audio device microphonesCIRRUS LOGIC INC·Filed 2014·Granted Jun 6, 2017·8 cites·6 claims
- 0881US8126706B2Music detector for echo cancellation and noise reductionEBENEZER SAMUEL PONVARMA·Filed 2005·Granted Feb 28, 2012·14 cites·8 claims
- 0977US7492889B2Noise suppression based on bark band wiener filtering and modified doblinger noise estimateACOUSTIC TECH INC·Filed 2004·Granted Feb 17, 2009·27 cites·15 claims
- 1076US7649988B2Comfort noise generator using modified Doblinger noise estimateACOUSTIC TECH INC·Filed 2004·Granted Jan 19, 2010·26 cites·10 claims
- 1175US9838783B2Adaptive phase-distortionless magnitude response equalization (MRE) for beamforming applicationsCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2015·Granted Dec 5, 2017·3 cites·22 claims
- 1274US6928160B2Estimating bulk delay in a telephone systemACOUSTIC TECHNOLOGY INC·Filed 2002·Granted Aug 9, 2005·18 cites·16 claims
- 1359US11948546B2Feed-forward adaptive noise-canceling with dynamic filter selection based on classifying acoustic environmentCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2022·Granted Apr 2, 2024·0 cites·36 claims
- 1455US9980070B2Apparatus and method for measuring relative frequency response of audio device microphonesCIRRUS LOGIC INC·Filed 2017·Granted May 22, 2018·0 cites·15 claims
- 1551US2014044274A1Estimating Direction of Arrival From Plural MicrophonesACOUSTIC TECH INC·Filed 2013·Application pending·0 cites
- 1643US11195540B2Methods and apparatus for an adaptive blocking matrixCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2019·Granted Dec 7, 2021·0 cites·35 claims
- 1742US12340786B2Adaptive noise-canceling with dynamic filter selection based on multiple noise sensor signal phase differencesCIRRUS LOGIC INT SEMICONDUCTOR LTD·Filed 2022·Granted Jun 24, 2025·0 cites·32 claims
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