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 Web Seminar RePlay 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.
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Click on the Requirements tab to make sure you are properly equipped to interact with this course.0.6 CEUs
Captured from the most recent offering of the Acoustic Fundamentals for Solving Noise and Vibration Problems available for release.
By participating in this course, 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
- Pressure, power, intensity
- Human perception of sound
- What is decibel
- Addition and subtraction of decibels
- Background noise
- Linear averaging/spatial averaging
- Frequency Analysis
- Linear and logarithmic frequency
- Human Perception of Sound
- Equal Loudness contours
- Frequency weighting of sound
- Loudness, loudness level, articulation index
- Instrumentation and Facilities
- Spectrum analyzers
- Anechoic/hemi-anechoic room
- Reverberation room
- Sound power measurements
- Source-path-receiver relationship
- 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 an entrepreneur, co-founder, and a Principal Consultant 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 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 OEM companies and their suppliers in China, India, Mexico, and the USA. Dr. Saha is an active member of SAE International, ASA, ASME, ESD, INCE, NSPE, and is a contributing editor of Sound and Vibration magazine. He is the past Chair of the SAE Engineering Meetings Board, SAE Noise and Vibration Conference, and SAE Acoustical Materials Committee. He has helped develop several SAE standards in acoustics, and is a Professional Development Instructor and Lead Faculty Member of the SAE Vehicle Interior Noise Academy. He has presented technical papers and has organized and chaired numerous technical sessions sponsored by SAE and other professional organizations. Dr. Saha has also won several awards presented by SAE International, the Michigan Society of Professional Engineers, and the Engineering Society of Detroit, and has been named an SAE Master Instructor. Dr. Saha holds a B.S. in Mechanical Engineering from the University of Calcutta, an 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.
- 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 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.
- Windows 7, 8 (Apple OSX and Unix/Linux are not supported but may work)
- Pentium 4 PC
- Minimum 512 MB RAM; recommended 1 GB RAM
- Internet Explorer 8-11, Mozilla Firefox 37+, Google Chrome 42+ (Safari and Opera are not supported)
- Flash® Player 13+
- Broadband-1Mbps minimum