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Acoustics Tutorials

Overview Interactive tutorial that ensures that you have an understanding of the basic acoustics required for understanding of the physiology of the ear. Focuses on how intensity and frequency relate to air molecule motion.

Physical Principles of Sound Self-Assessment Tutorial.  Reviews material presented in Chapter 1 of
The Hearing Sciences by Hamill & Price, but can be used by those who have utilized other texts. 



Programmed Instruction in the Decibel [Part 1] ----[Part 2] A web-based tutorial on understanding the decibel, modeled after Chuck Berlin’s tutorial style. The self-tests are in two parts. Augments Chpt 2 of the Hearing Sciences

Sound Transmission and Decibel Types. Augments Chpt 3.

Sound Waves: Sine Waves and Other Forms of Sound. Augments Chpt 4.

Physics of Impedance. Augments Chpt 5.


Auditory Anatomy and Physiology Tutorials

Basic Anatomy and Physiology Self Test. Reviews material presented in Chapter 11 of the Hearing Sciences by Hamill & Price, but can be used by those who have utilized other texts.

Conductive Anatomy Basics. Augments Chpt 12.

Conductive Physiology Basics. Augments Chpt 13.

Bone Conduction A&P. Augments Chpt 14.

Advanced Conductive A&P. Augments Chpt 15.

Cochlear Anatomy Basics. Augments Chpt 16.

Cochlear Physiology Basics. Augments Chpt 18.

Intermediate Cochlear Physiology. Augments Chpt 19.


Introduction to Psychoacoustics Augments Chpt 26.

Classical Psychoacoustical Methodologies Augments Chpt 27.

Signal Detection Theory and Advanced Adaptive Procedures Augments Chpt 28.

Threshold of Hearing, Loudness Perception, and Loudness Adaptation Augments Chpt 29.

Calculating Loudness Augments Chpt 30.

Basics of Pitch Perception Augments Chpt 31.

Introduction to Masking Augments Chpt 32.

Masking and Cochlear Frequency Distribution Augments Chpt 33.

Psychophysical Tuning Curves Augments Chpt 34.

Temporal Processing Augments Chpt 35.

Temporal Masking Augments Chpt 36.

Binaural Hearing Augments Chpt 37.

Introduction to Results of Psychoacoustical Assessment of the Hearing-Impaired Augments Chpt 38.


Human Skull and Middle Ear Structures

Temporal Bone and Inner Ear Structures





Audiometry Tutorials

These interactive tutorials will introduce you to clinical audiometry and how to recognize the basic, uncomplicated forms of conductive, sensorineural and mixed hearing loss, and interpret severity of loss.

Part I: Foundations
Part II: Recognizing Types of Loss

These introductory tutorials guide the student through interpretation of speech recognition testing and the concept of interpreting measurements of recruitment.

Speech Testing Basics
MCL, UCL and Recruitment Speech Tests

Formula Masking Resources
Masking Formula [PDF]
Masking Formula Review [MS Word Doc]


These interactive tutorials help with mastering masking.

When to Mask
Masking Fundamentals
Calculating Masking Levels

Decibels sensation level is explained in this tutorial.

Supplement on dB Sensation Level

Immittance/Impedance Testing Tutorials

Tympanometry Tutorial I. Principles
Tympanometry Tutorial II. Clinical Application
Acoustic Reflex Tutorial

Audiologic Instrumentation

Tutorials created circa 2000 on the basics of instrumentation
Electricity
Amplifiers
Transducers
Filters
Glossary


Commonly Used AudiologyTerms

Definitions of commonly used audiology terms: The Rane Corporation'sProfessional Audio Reference provides definitions to just about every term and abbreviation concerning acoustics.


Useful Links

Medline - This link takes you to the gateway for Medline and Medline Plus. Medline (use either Grateful Med or Pub Med) let's you find scientific articles on a topic. For example, if you enter the phrases noise-induced hearing loss exerciseyou would find abstracts for peer-reviewed articles published on this topic. Your university library may own the journals, and if not, should be able to obtain the articles through inter-library load. You can purchase them through Medline if not.


To find Internet resources on a variety of audiology topics, check out these sites

Unlike scientific articles, Internet sites have not been reviewed for accuracy by experts, and may contain misinformation. As Virginia Hutchinson once said, "An open mind, like an open window, should be screened to keep bugs out." To learn more about how to evaluate web-based information, see

The site www.audiologyonline.com contains information about specific audiology topics, and hosts a job listing board. You will need to become a member to use this site.


The professional associations for audiologists, theAmerican Academy of Audiology and the American Speech-Language-Hearing Association websites contain useful information for both consumers and professionals. Membership in these organizations will be required for you to access some of the information.


Similarly, the sites for theAcademy of Doctors of Audiology and theEducational Audiology Association sites may be of interest.




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