hamilton@mail.utexas.edu – Page 14

Accelerated Tissue Heating from Inertial Cavitation Produced by High-Intensity Focused Ultrasound

Friday, February 25, 2005 4:00 p.m. Professor Ronald A. Roy Department of Aerospace and Mechanical Engineering Boston University http://www.bu.edu/ame Rapid tissue heating resulting in necrosis is a useful therapeutic modality for clinical application of high-intensity focused ultrasound (HIFU). At therapeutic intensities, acoustic hyperthermia is often accompanied by bubble activity. In vitro and in vivo experiments…

February 25, 2005hamilton@mail.utexas.eduAcoustics Seminars

Measurement and Evaluation of the Acoustic Quality of Violins

Friday, February 11, 2005 4:00 p.m. Alex Mayer Institute for Musical Acoustics The University for Music and Performing Arts, Vienna and Todd Hay Department of Electrical and Computer Engineering The University of Texas at Austin http://www.ece.utexas.edu For nearly 25 years the Institute for Musical Acoustics (IMA) in Vienna has been developing simulation, measurement and optimization…

February 11, 2005hamilton@mail.utexas.eduAcoustics Seminars

Cochlear Implants

Friday, February 4, 2005 4:00 p.m. Patrick W. Slater, M.D., Neurotologist, and Amy L. Gensler, M.A., Cochlear Implant Audiologist Austin Ear Clinic Home Cochlear implants are life-changing prosthetic devices that can dramatically improve hearing for people with severe-to-profound sensorineural hearing loss. This discussion will focus on all aspects of cochlear implants. Dr. Patrick Slater is…

February 4, 2005hamilton@mail.utexas.eduAcoustics Seminars

Tour of Acoustic Systems

Friday, December 3, 2004 4:00 p.m. William McKenna Acoustic Systems http://www.ets-lindgren.com/page/?i=Acoustics Acoustic Systems, located in Austin, Texas, has been designing, manufacturing, and installing acoustical products since 1971. While Acoustic Systems does offer standard products, our focus is on custom designs, manufactured per customer specifications. Acoustic Systems is staffed by highly qualified sales professionals who work…

December 3, 2004hamilton@mail.utexas.eduAcoustics Seminars

Acoustics and Noise Control of Bass Concert Hall

Friday, November 12, 2004 4:00 p.m. Ken Dickensheets Dickensheets Design Associates http://www.dickensheets.com Ken Dickensheets will lead an acoustics and noise control tour of Bass Concert Hall at the University of Texas Performing Arts Center. We will all meet on the front steps of Bass Concert hall, which is located at the NW corner of 23rd…

November 12, 2004hamilton@mail.utexas.eduAcoustics Seminars

Effects of Room Acoustics on Stereo and Surround Sound System

Friday, October 22, 2004 4:00 p.m. Ruchi Goel Department of Electrical and Computer Engineering The University of Texas at Austin http://www.ece.utexas.edu A home theater system recreates the surround sound heard in cinemas and concerts in the listening room of any house. It is an extension of stereo system to create a three-dimensional sound field. The…

October 22, 2004hamilton@mail.utexas.eduAcoustics Seminars

Simulation of shallow-water reverberation and geoacoustic characterization

Friday, October 15, 2004 4:00 p.m. Tom Yudichak Applied Research Laboratories The University of Texas at Austin http://www.arlut.utexas.edu An important reverberation mechanism in underwater environments is the scattering of sound from random inhomogeneities, such as fluctuations in sound speed and density, throughout sediment layers. The scattering strength of the sediment in such cases depends in…

October 15, 2004hamilton@mail.utexas.eduAcoustics Seminars

Seabed characterization on the New Jersey middle and outer shelf: Correlability and spatial variability of geological and geoacoustic properties

Friday, October 8, 2004 4:00 p.m. John Goff Institute for Geophysics, Jackson School of Geosciences The University of Texas at Austin http://www.ig.utexas.edu http://www.geosci.utexas.edu Nearly 100 collocated grab samples and in situ 65 kHz acoustic measurements were collected on the New Jersey middle and outer shelf within an area that had previously been mapped with multibeam…

October 8, 2004hamilton@mail.utexas.eduAcoustics Seminars

The Application of Current Audio Analysis Techniques to Electro-acoustic Music for the Purpose of Visualization

Friday, October 1, 2004 4:00 p.m. Anderson Mills Department of Electrical and Computer Engineering The University of Texas at Austin http://www.ece.utexas.edu Electro-acoustic music has been ignored by music theorists for years. One theory suggests that this deficiency is due to the lack of an objective visual representation of this type of music. This research is…

October 1, 2004hamilton@mail.utexas.eduAcoustics Seminars

Church Opal – 1975, Recovery and Analysis of Archival Data

Friday, September 24, 2004 4:00 p.m. Jack Shooter Applied Research Laboratories The University of Texas at Austin http://www.arlut.utexas.edu In October 2002 the Office of Naval Research (ONR) sponsored a Convocation that reviewed the ocean acoustic studies done from 1967 to 1992 under the U.S. Navy’s Long Range Acoustic Propagation Project (LRAPP). Beginning in 1972 LRAPP…

September 24, 2004hamilton@mail.utexas.eduAcoustics Seminars

The Interesting Effects of Added Complexity: The Acoustics of Elastic Waveguides and Liquid-Filled Impedance Tubes

Friday, September 10, 2004 4:00 p.m. Professor Preston S. Wilson Department of Mechanical Engineering The University of Texas at Austin http://www.me.utexas.edu The impedance tube has been used to study the acoustic properties of materials in air for years and is a mature technology. The acoustic absorption of ceiling tiles and automobile mufflers are typical examples,…

September 10, 2004hamilton@mail.utexas.eduAcoustics Seminars

Exploring Medical and Industrial Applications of Time Reversal Acoustics

Friday, April 23, 2004 4:00 p.m. Dr. Armen Sarvazyan Artann Laboratories, Inc. Lambertville, NJ The concept of Time Reversal Acoustics (TRA) developed by Mathias Fink provides elegant possibilities for both temporal and spatial concentration of acoustic energy in inhomogeneous composite media. Furthermore, numerous reflections from boundaries, which distort focusing in conventional focused ultrasound systems and…

April 23, 2004hamilton@mail.utexas.eduAcoustics Seminars

Noise Emission and Spaceflight Hardware

Friday, April 16, 2004 4:00 p.m. David A. Nelson, INCE Bd. Cert., P.E., Principal Nelson Acoustical Engineering, Inc. Consultant in Noise Control for Products, Equipment, Industry, and the Environment Scientific missions of long duration on the International Space Station (ISS) have led to an increased vigilance regarding noise levels within laboratory modules. Reduced noise levels…

April 16, 2004hamilton@mail.utexas.eduAcoustics Seminars

Case Studies Involving Acoustical Standards, Products, and Test Facilities

Friday, March 26, 2004 3:00 p.m. Jeff G. Schmitt, P.E. JGS Consulting and ViAcoustics http://www.viacoustics.com When the going gets tough, the tough look to the government and public sector for most of their projects, and that’s what JGS Consulting did this year. This seminar will be an overview of several recent projects. These include the…

March 26, 2004hamilton@mail.utexas.eduAcoustics Seminars

Contrast Ultrasound Imaging and Local Drug Delivery

Monday, March 8, 2004 3:00 p.m. Professor Katherine Ferrara Department of Biomedical Engineering University of California, Davis http://www.bme.ucdavis.edu Ultrasound contrast agents are small microbubbles with a thin shell and a resonance frequency in the range of clinical ultrasound instruments (1-5 MHz). We have developed a model for their oscillation in response to ultrasound pulses and…

March 8, 2004hamilton@mail.utexas.eduAcoustics Seminars

Novel Strategies for Beam Formation: Line-by-Line Acquisition Zone Acquisition

Friday, February 27, 2004 4:00 p.m. Tom Jedrzejewicz Medical Ultrasound Consultant Formerly with Siemens Medical Solutions http://www.medical.siemens.com The traditional line-by-line strategy to acquire ultrasound echo is described and compared to zone-based technique for real-time B-mode imaging. The zone technique utilizes a broad transmit beam from which many receive beams are formed, such that a full…

February 27, 2004hamilton@mail.utexas.eduAcoustics Seminars

Geoacoustic Inverse Problems for Sound Transmission in Shallow Seas

Friday, February 13, 2004 4:00 p.m. Dr. David P. Knobles Applied Research Laboratories The University of Texas at Austin http://www.arlut.utexas.edu Sound transmission in shallow seas is significantly influenced by the geophysical structure of the seabed, both at the surface and beneath the seafloor. The reasons include the proximity of the seafloor to the water-air interface…

February 13, 2004hamilton@mail.utexas.eduAcoustics Seminars

History of Physical and Engineering Acoustics at Texas

Friday, February 6, 2004 4:00 p.m. Professor David T. Blackstock Department of Mechanical Engineering The University of Texas at Austin http://www.me.utexas.edu Acoustics appeared as an academic field of interest at the University of Texas as early as the 1930s. Acoustical interests were pursued by C. Paul Boner in the Physics Department and Lloyd A. Jeffress…

February 6, 2004hamilton@mail.utexas.eduAcoustics Seminars

Using Otoacoustic Emissions as a Window into Hormonal Events during Prenatal Development

Friday, January 30, 2004 4:00 p.m. Professor Dennis McFadden Department of Psychology The University of Texas at Austin http://www.psy.utexas.edu The normal cochlea contains a series of elements known as the cochlear amplifiers. As a harmless by-product, these amplifiers produce sounds called Otoacoustic Emissions (OAEs). OAEs exhibit sex differences that are present in newborns as well…

January 30, 2004hamilton@mail.utexas.eduAcoustics Seminars

Tour of Acoustic Systems

Friday, December 5, 2003 4:00 p.m. Bill McKenna Acoustic Systems http://www.acousticsystems.com This tour is a class field trip for Engineering Acoustics (ME 379N, EE 363N), but it is open to the public. Acoustic Systems, located in Austin, Texas, has been designing, manufacturing, and installing acoustical products since 1971. While Acoustic Systems does offer standard products,…

December 5, 2003hamilton@mail.utexas.eduAcoustics Seminars

Texas Acoustics

Fostering education, research and service in acoustics

Author: hamilton@mail.utexas.edu

Accelerated Tissue Heating from Inertial Cavitation Produced by High-Intensity Focused Ultrasound

Measurement and Evaluation of the Acoustic Quality of Violins

Cochlear Implants

Tour of Acoustic Systems

Acoustics and Noise Control of Bass Concert Hall

Effects of Room Acoustics on Stereo and Surround Sound System

Simulation of shallow-water reverberation and geoacoustic characterization

Seabed characterization on the New Jersey middle and outer shelf: Correlability and spatial variability of geological and geoacoustic properties

The Application of Current Audio Analysis Techniques to Electro-acoustic Music for the Purpose of Visualization

Church Opal – 1975, Recovery and Analysis of Archival Data

The Interesting Effects of Added Complexity: The Acoustics of Elastic Waveguides and Liquid-Filled Impedance Tubes

Exploring Medical and Industrial Applications of Time Reversal Acoustics

Noise Emission and Spaceflight Hardware

Case Studies Involving Acoustical Standards, Products, and Test Facilities

Contrast Ultrasound Imaging and Local Drug Delivery

Novel Strategies for Beam Formation: Line-by-Line Acquisition Zone Acquisition

Geoacoustic Inverse Problems for Sound Transmission in Shallow Seas

History of Physical and Engineering Acoustics at Texas

Using Otoacoustic Emissions as a Window into Hormonal Events during Prenatal Development

Tour of Acoustic Systems