Daniel W. Griffin

Person

Hollis, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Speech model parameter estimation and quantization
- Patent number 11,715,477
- Issue date Aug 1, 2023
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio watermarking via correlation modification using an amplitude...
- Patent number 11,244,692
- Issue date Feb 8, 2022
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio watermarking via phase modification
- Patent number 10,210,875
- Issue date Feb 19, 2019
- Digital Voice Systems, Inc.
- John C. Hardwick
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio watermarking via phase modification
- Patent number 9,990,928
- Issue date Jun 5, 2018
- Digital Voice Systems, Inc.
- John C. Hardwick
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech coder that determines pulsed parameters
- Patent number 8,433,562
- Issue date Apr 30, 2013
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Breathing apparatus speech enhancement using reference sensor
- Patent number 8,265,937
- Issue date Sep 11, 2012
- Digital Voice Systems, Inc.
- Daniel W. Griffin
Information Patent Grant
Estimation of pulsed speech model parameters
- Patent number 8,036,886
- Issue date Oct 11, 2011
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech model and analysis, synthesis, and quantization methods
- Patent number 6,912,495
- Issue date Jun 28, 2005
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Estimation of excitation parameters
- Patent number 5,826,222
- Issue date Oct 20, 1998
- Digital Voice Systems, Inc.
- Daniel Wayne Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Spectral magnitude representation for multi-band excitation speech...
- Patent number 5,754,974
- Issue date May 19, 1998
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Estimation of excitation parameters
- Patent number 5,715,365
- Issue date Feb 3, 1998
- Digital Voice Systems, Inc.
- Daniel Wayne Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Synthesis of MBE-based coded speech using regenerated phase informa...
- Patent number 5,701,390
- Issue date Dec 23, 1997
- Digital Voice Systems, Inc.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Simulation system
- Patent number 4,866,663
- Issue date Sep 12, 1989
- Sanders Associates, Inc.
- Daniel W. Griffin
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
AUDIO WATERMARKING VIA CORRELATION MODIFICATION
- Publication number 20200111500
- Publication date Apr 9, 2020
- DIGITAL VOICE SYSTEMS, INC.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO WATERMARKING VIA PHASE MODIFICATION
- Publication number 20180286417
- Publication date Oct 4, 2018
- DIGITAL VOICE SYSTEMS, INC.
- John C. Hardwick
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Audio Watermarking via Phase Modification
- Publication number 20150340045
- Publication date Nov 26, 2015
- DIGITAL VOICE SYSTEMS, INC.
- John C. Hardwick
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ESTIMATION OF SPEECH MODEL PARAMETERS
- Publication number 20120089391
- Publication date Apr 12, 2012
- DIGITAL VOICE SYSTEMS, INC.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Breathing Apparatus Speech Enhancement
- Publication number 20090192799
- Publication date Jul 30, 2009
- DIGITAL VOICE SYSTEMS, INC.
- Daniel W. Griffin
Information Patent Application
Estimation of Speech Model Parameters
- Publication number 20080154614
- Publication date Jun 26, 2008
- DIGITAL VOICE SYSTEMS, INC.
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Speech model and analysis, synthesis, and quantization methods
- Publication number 20030097260
- Publication date May 22, 2003
- Daniel W. Griffin
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Daniel W. Griffin

Person

Patents Grantslast 30 patents

Speech model parameter estimation and quantization

Audio watermarking via correlation modification using an amplitude...

Audio watermarking via phase modification

Audio watermarking via phase modification

Speech coder that determines pulsed parameters

Breathing apparatus speech enhancement using reference sensor

Estimation of pulsed speech model parameters

Speech model and analysis, synthesis, and quantization methods

Estimation of excitation parameters

Spectral magnitude representation for multi-band excitation speech...

Estimation of excitation parameters

Synthesis of MBE-based coded speech using regenerated phase informa...

Simulation system

Patents Applicationslast 30 patents

AUDIO WATERMARKING VIA CORRELATION MODIFICATION

AUDIO WATERMARKING VIA PHASE MODIFICATION

Audio Watermarking via Phase Modification

ESTIMATION OF SPEECH MODEL PARAMETERS

Breathing Apparatus Speech Enhancement

Estimation of Speech Model Parameters

Speech model and analysis, synthesis, and quantization methods