Inventor · disambiguated record
Daniel W. Griffin
Also filed as: GRIFFIN DANIEL W · GRIFFIN DANIEL WAYNE
14 granted patents·391 citations·filing 1987–2022
92Inventor score
Top patents by PatentIndex Score
14 records- 0191US11715477B1Speech model parameter estimation and quantizationDIGITAL VOICE SYSTEMS INC·Filed 2022·Granted Aug 1, 2023·2 cites·30 claims
- 0283US9990928B2Audio watermarking via phase modificationDIGITAL VOICE SYSTEMS INC·Filed 2015·Granted Jun 5, 2018·5 cites·14 claims
- 0383US5701390ASynthesis of MBE-based coded speech using regenerated phase informationDIGITAL VOICE SYSTEMS INC·Filed 1995·Granted Dec 23, 1997·116 cites·10 claims
- 0480US6912495B2Speech model and analysis, synthesis, and quantization methodsDIGITAL VOICE SYSTEMS INC·Filed 2001·Granted Jun 28, 2005·32 cites·45 claims
- 0580US5754974ASpectral magnitude representation for multi-band excitation speech codersDIGITAL VOICE SYSTEMS INC·Filed 1995·Granted May 19, 1998·101 cites·19 claims
- 0667US10210875B2Audio watermarking via phase modificationDIGITAL VOICE SYSTEMS INC·Filed 2018·Granted Feb 19, 2019·1 cites·8 claims
- 0766US5826222AEstimation of excitation parametersDIGITAL VOICE SYSTEMS INC·Filed 1997·Granted Oct 20, 1998·56 cites·41 claims
- 0864US5715365AEstimation of excitation parametersDIGITAL VOICE SYSTEMS INC·Filed 1994·Granted Feb 3, 1998·43 cites·35 claims
- 0963US4866663ASimulation systemSANDERS ASSOCIATES INC·Filed 1987·Granted Sep 12, 1989·32 cites·5 claims
- 1055US8265937B2Breathing apparatus speech enhancement using reference sensorGRIFFIN DANIEL W·Filed 2008·Granted Sep 11, 2012·2 cites·17 claims
- 1155US8036886B2Estimation of pulsed speech model parametersDIGITAL VOICE SYSTEMS INC·Filed 2006·Granted Oct 11, 2011·1 cites·23 claims
- 1246US11244692B2Audio watermarking via correlation modification using an amplitude and a magnitude modification based on watermark data and to reduce distortionDIGITAL VOICE SYSTEMS INC·Filed 2018·Granted Feb 8, 2022·0 cites·6 claims
- 1346US11152804B2Circuit and method for detecting status of a DC power supply for charging a batteryRR Solutions LLC·Filed 2018·Granted Oct 19, 2021·0 cites·20 claims
- 1443US8433562B2Speech coder that determines pulsed parametersGRIFFIN DANIEL W·Filed 2011·Granted Apr 30, 2013·0 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →