Course structure
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
Materials Provided
- 90 days of online single-user access (from date of purchase)
- Six hours of instructor-delivered content
- Course workbook (downloadable, .pdf\’s)
- Online learning assessment
- Instructor follow up to your content question
- .6 CEUs* (upon completion of all course modules and satisfactory assessment score)
*SAE International is authorized by IACET to offer CEUs for this course.
