System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources

Holzrichter, John F; Burnett, Greg C; Ng, Lawrence C

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A - human necessities
A01 - agriculture
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Title: System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources

Abstract

A system and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources is disclosed. Propagating wave electromagnetic sensors monitor excitation sources in sound producing systems, such as machines, musical instruments, and various other structures. Acoustical output from these sound producing systems is also monitored. From such information, a transfer function characterizing the sound producing system is generated. From the transfer function, acoustical output from the sound producing system may be synthesized or canceled. The methods disclosed enable accurate calculation of matched transfer functions relating specific excitations to specific acoustical outputs. Knowledge of such signals and functions can be used to effect various sound replication, sound source identification, and sound cancellation applications.

Inventors:: Holzrichter, John F; Burnett, Greg C; Ng, Lawrence C

Issue Date:: Tue May 21 00:00:00 EDT 2013

Research Org.:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1083967

Patent Number(s):: 8447585

Application Number:: 11/899,653

Assignee:: Lawrence Livermore National Security, LLC. (Livermore, CA)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G - PHYSICS G01 - MEASURING G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
G01H1/12 - of longitudinal or not specified vibrations
G01H3/00 - Measuring {characteristics of} vibrations by using a detector in a fluid
G01H9/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N2291/02491 - Materials with nonlinear acoustic properties
G01N2291/02836 - Flow rate, liquid level
G01N2291/02872 - Pressure

G - PHYSICS G10 - MUSICAL INSTRUMENTS G10K - SOUND-PRODUCING DEVICES
G10K11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

G - PHYSICS G10 - MUSICAL INSTRUMENTS G10L - SPEECH ANALYSIS OR SYNTHESIS
G10L15/02 - Feature extraction for speech recognition
G10L15/24 - Speech recognition using non-acoustical features
G10L19/00 - Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders
G10L21/0272 - Voice signal separating

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DOE Contract Number:: W-7405-ENG-48

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Holzrichter, John F, Burnett, Greg C, and Ng, Lawrence C. System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources.  United States: N. p., 2013. 
        Web.

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                    Holzrichter, John F, Burnett, Greg C, & Ng, Lawrence C. System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources.  United States.

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                    Holzrichter, John F, Burnett, Greg C, and Ng, Lawrence C. Tue .  
        "System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources".  United States.  https://www.osti.gov/servlets/purl/1083967.

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@article{osti_1083967,

  title        = {System and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources},

  author       = {Holzrichter, John F and Burnett, Greg C and Ng, Lawrence C},

  abstractNote = {A system and method for characterizing, synthesizing, and/or canceling out acoustic signals from inanimate sound sources is disclosed. Propagating wave electromagnetic sensors monitor excitation sources in sound producing systems, such as machines, musical instruments, and various other structures. Acoustical output from these sound producing systems is also monitored. From such information, a transfer function characterizing the sound producing system is generated. From the transfer function, acoustical output from the sound producing system may be synthesized or canceled. The methods disclosed enable accurate calculation of matched transfer functions relating specific excitations to specific acoustical outputs. Knowledge of such signals and functions can be used to effect various sound replication, sound source identification, and sound cancellation applications.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue May 21 00:00:00 EDT 2013},

  month        = {Tue May 21 00:00:00 EDT 2013}

}

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