Acoustic Fundamentals for Solving Noise and Vibration Problems Web Seminar RePlay

I.D.# PD331309ON
Access Period: 30 days

This web seminar replay will provide an introduction to the characteristics of sound waves, human perception of sound, sound and vibration measurements, measurement facilities, and various noise sources and noise control principles. It will include an overview of sound pressure, power, intensity, decibels, and frequencies. Practical examples will be used to familiarize participants with the acoustic fundamentals for solving noise and vibration problems and the associated solution principles.

Is this Webinar Recording for You?
This fundamental web seminar will be especially valuable for technical staff, engineers, and managers with limited experience in noise and vibration. It is designed to be suitable for all areas of the mobility industry. An Associate degree in the field of science or technology is recommended; BS degree is preferred.

Click on the Requirements tab to make sure you are properly equipped to interact with this course.

.6 CEUs

Captured from the most recent offering of the Acoustic Fundamentals for Solving Noise and Vibration Problems available for release.

Objectives

By participating in this web seminar replay, you will be able to:

  • Discuss the differences of various acoustic terminologies that are important to solve noise and vibration problems
  • Define a relationship between sound pressure, sound power, and sound intensity
  • Associate decibel to both sound and vibration
  • Prepare effective acoustic specifications encompassing all variables that affect noise and vibration
  • Select correct instrumentation for noise and vibration measurements recognizing the challenges of measurements
  • Define the source-path-receiver relationship
  • Determine the steps of noise and vibration source identification process for a given application
  • Employ different noise control options to address specific noise and vibration issues

Topics

Session 1

  • Introduction
    • Waves
    • Pressure, power, intensity
    • Frequency
    • Human perception of sound
  • Decibels
    • What is decibel
    • Addition and subtraction of decibels
    • Background noise
    • Linear averaging/spatial averaging
  • Frequency
    • Frequency Analysis
    • Linear and logarithmic frequency
    • Filters
Session 2
  • Human Perception of Sound
    • Equal Loudness contours
    • Frequency weighting of sound
    • Loudness, loudness level, articulation index
  • Instrumentation and Facilities
    • Transducers
    • Spectrum analyzers
    • Anechoic/hemi-anechoic room
    • Reverberation room
    • Sound power measurements
    • Source-path-receiver relationship
Session 3
  • Various Noise Sources
    • Product noise
    • Community Noise
    • Industrial noise
    • Vehicle noise
    • Aircraft noise
  • Noise Control Principles
    • Sound package materials
    • Absorber, barrier, damper, isolator
    • Mufflers, resonators
    • Active and passive noise control

Instructor(s): Pranab Saha

Pranab Saha is the principal consultant and co-founder of Kolano and Saha Engineers, Inc., an independent professional engineering and consulting company in acoustics, noise and vibration control. A well-known authority on automotive noise control and body interior systems, Dr. Saha has directed and participated nationally and internationally in numerous advanced noise control engineering programs and training seminars for various OEMs and suppliers in India, Mexico, and USA. Dr. Saha is currently the Chair of the SAE Engineering Meetings Board, a Professional Development Instructor, and the Lead Faculty Member of the SAE Vehicle Interior Noise Academy. He is also the past-chairman of the SAE Acoustical Materials Committee and has helped develop several standards in acoustics. Dr. Saha is an active member of ASA, ASME, ESD, INCE, NSPE, SAE International, and a contributing editor of Sound and Vibration publication. He has presented technical papers, organized and chaired numerous technical sessions sponsored by SAE and other professional organizations. Dr. Saha has also won several awards presented by the SAE International and the Michigan Society of Professional Engineers (MSPE) and has been named an SAE Master Instructor. Dr. Saha holds a B.S. in Mechanical Engineering from the University of Calcutta, a M.S. in Engineering Sciences from the University of Florida and a Ph.D. in Mechanical Engineering (Acoustics Specialty) from the Georgia Institute of Technology.

Materials Provided

  • Thirty days of online single-user access (from date of purchase) to the three session, approximately six hour, recorded presentation
  • Course workbook (downloadable, .pdf's)
  • Online learning assessment
  • .6 CEUs* (with satisfactory assessment score)
*SAE International is authorized by IACET to offer CEUs for this course.

About Web Seminar RePlays

SAE Web Seminar RePlays are audio/visual captures of live web seminars. The course sessions are unedited to include the results of interactions with the live participants and to expedite course availability. A learning assessment is available at the end of the course to reinforce learning and retention and gauge your understanding of the topic.

Equipment Requirements

  • Windows 2000, XP, 7 (Not currently supported by Windows Vista)
  • Pentium III PC
  • Minimum 128 MB RAM; recommended 256 MB RAM
  • Internet Explorer 6, 7, 8, or 9 browser (IE 10 & 11, Mozilla Firefox, Google Chrome, and Unix/Linus based browsers are not currently supported)
  • Adobe Flash Player 8.0 & above
  • Broadband-128Kbps and above
  • 1024 X 768 Screen Resolution
  • Sound Card/Speakers

Mac operating systems and browsers other than IE are not supported.

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$535.00
Members save up to 20% off list price.

Have colleagues who need this course? Purchase access for one individual at the appropriate member or list price, then purchase access for additional employees at 50% off the list price. Contact SAE Customer Service to arrange online access for all individuals at the same time or mention the confirmation number for the first purchase. The offer is good for only the same web seminar replay. All participants will receive a personal account and opportunity for CEUs.

Email CustomerService@sae.org, or call 1-877-606-7323 (U.S. and Canada) or 724-776-4970 (outside US and Canada).
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