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Sound Power Measurement Solution

Dewesoft sound power measurement solution merges the best of both worlds, widely established sound power measurements with familiar, distinctive user interface and industry unmatched adaptability. Rate and compare different noise sources with ease and exactness while simultaneously monitor any number of additional parameters.
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Sound Power Supported Standards

Sound power is a characteristic of a sound source and it does not depend on the distance from the source. Therefore, sound power i the only practical way of comparing different sound sources.

The sound power procedure is described with standards. They define types of noise and noise sources, test environment, measurement uncertainty, criteria for background noise, criteria for air temperature and humidity, instrumentation equipment, the position of microphones.

ISO 3741 - Specifies precision methods for determining the sound power level of a noise source from sound pressure levels measured in a reverberation test room
ISO 3744/639x - Specifies methods for determining the sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping the noise source
​ISO 3745 - Specifies various methods for determining the sound power levels and sound energy levels of noise sources including machinery, equipment and their sub-assemblies
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Step-by-Step Measurement Procedure

The sound power measurement procedure is guided by the simple user interface of our Dewesoft data acquisition software.

First, you record the background noise while the sound source is off. After that, you turn on the sound source and measure the sound power level of the source. If you use the grouping of the sensor or multiple runs, repeat the procedure for each group.       
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Correction Factors

Correction factors are used to take into account the background noise, the influence of the room and meteorological corrections.

K1 defines the background noise correction. This is applied in different situations. K1 can be measured before switching on the sound source.

K2 corrects the influence of the room noise. K2 correction is applied to the mean (energy average) of the time-averaged sound pressure levels over all the microphone positions on the measurement surface, to account for the influence of reflected or absorbed sound.

C1 and C2 meteorological corrections are used in the case that the air temperature at the test site is below 23 deg C or the altitude is higher than 500 meters above sea level.
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Remote Control Operation

Trigger the start and stop of the measurement automatically with assigning remote control channels.

An example of trigger channels would be using the light barriers that are triggered when the machine enters the area. You can use one trigger channel or different trigger channels.
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Analysis Report Generation

After the sound power measurement has been done, you can easily export data into a prepared Excel template to automatically create your report.

You can easily modify the template with your company logo, information about the measurement, operator, date and location,.....
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  • Home
  • Products
    • DEWESoft Test & Measurement Instruments & Software
    • CAE Acoustic & Vibration
    • PCB Sensors & Instrumentation
    • Endevco Sensors for Challenging Test & Measurement Applications
    • IMI Industrial Vibration Sensors, Switches & Instrumentation
    • OMS Laser Vibrometer & Scanner
    • Resensys Remote Monitoring Sensors
    • Larson Davis Noise & Vibration Measurement
  • APPLICATIONS
    • DEWESOFT >
      • Acoustics >
        • Sound Level Meter
        • Octave Band Analysis
        • Sound Intensity
        • Sound Power
        • Reverberation Time RT60
      • Structural Dynamics >
        • FFT Analyzer
        • Fatigue Testing
        • Modal Testing
        • Shock Response Spectrum
        • Sine Reduction Test (COLA)
        • Bridge Monitoring
      • Monitoring >
        • Condition Monitoring
        • Condition Monitoring Software
      • Vibration Analysis >
        • FFT Analyzer
        • Human Body Vibration
        • Octave Analysis
        • Order Tracking Analysis
      • Vehicle Testing >
        • ADAS >
          • Collision Avoidance Testing
          • Blind Spot Detection Testing
          • Lane Departure Warning & Lane Assist System Testing
          • Adaptive Cruise Control Testing
          • Autonomous Vehicles Testing
        • Brake Testing >
          • Flexible Brake Testing System
          • Brake Testing Calculations
          • Automated Testing Workflow
          • Brake Test System Configuration Examples
          • Supported Automated Brake Testing Standards
          • Free Online Brake Test Training & Resources
        • Brake Noise Testing >
          • Brake Noise Detection
          • Brake Noise Input Channel Configuration
          • Brake Noise Analysis Results
        • Combustion Analysis >
          • In-car and Testbed Data Acquisition System
          • Internal Combustion Engine R & D
          • Simple & Intuitive Configuration
          • Heat Release Calculation
          • IC Engine Knocking Detection
          • Combustion Noise Measurement & Analysis
          • Additional Math Calculations & Statistics
          • Combustion Analysis Features
          • Raw Data Storage, Post Processing & Reporting Capabilities
          • Free Online Training Course
        • E-Mobility >
          • Electric Vehicle Testing
          • Hybrid Vehicle Testing
          • Hydrogen Vehicle Testing
          • Battery Testing
          • EV Charging Analysis
          • Testbed & On-road Testing
          • Synchronized Measurement of Several Vehicle Parameters
          • Exemplary E-Mobility
          • Analyzing Different Driving Situations
          • Charging Profile, Time & Efficiency
          • EMC Test
        • Harsh Environment Testing >
          • Vehicle Environmental Tests
          • Distributed Data Acquisition
          • Heating & Air Condition Testing
          • Climate Comfort Testing
        • Roadl Load Data / Durability >
          • Durability Testing Overview
          • Compact All-in-one DAQ System
          • Powerful DAQ Software
          • Digital Interface to 3rd Party Durability Test Benches
        • Vehicle Dynamics >
          • Vehicle Dynamics Test Suite
          • Vehicle Dynamics DAQ System Overview
          • Standard Vehicle Test Maneuvers
          • Data Processing
          • Vehicle Test Suite Applications
          • Easy Controls for Test Driver
      • Power & Energy >
        • Power Analyzer >
          • Motor & Inverter
          • Power Transformer
          • Standby Power
          • Electrical Equipment
        • Power Quality Analyzer >
          • Railway
          • Renewable Energy
          • Wind Power
    • CAE ACOUSTIC & VIBRATION >
      • First Handheld Sound Camera
      • Simplest Way to Image Sound Sources
      • Room / Building Acoustic
      • Compressed Air Leak Detection
      • SoundCam in Automotive Industry
      • Noise at Construction Site
      • Acoustic Applications
    • PCB PIEZOTRONICS >
      • General Test Labs & Universities
      • Aerospace & Defense
      • Automotive
    • ENDEVCO SENSORS >
      • Aerospace
      • Auto Safety
      • Automotive
      • Infrastructure
      • Laboratory
      • Transportation
      • Weapons
    • IMI INDUSTRIAL SENSORS >
      • Energy
      • PDM & Process Monitoring
    • OMS LASERPOINT & SCANNER >
      • Aerospace
      • Audio & Musical Instruments
      • Automotive
      • Electronics
      • Medical
      • Structural Integrity
  • VIBRATION TESTING & CALIBRATION SYSTEM
    • DEWESoft Vibration Shakers
    • PCB Portable Handheld Shaker
    • IMI Industrial Portable Handheld Shaker & Calibrator
    • ECON Vibration Testing System >
      • Miniature Shaker
      • Air Cooled Shaker
      • Water Cooled Shaker
      • Climate Chamber Combined Shaker
      • Hydraulic Shaker
      • Multi-Axis Shaker
      • Vibration Controller >
        • VT-6 Series Servo-vibration Controller
        • VT-8 Series MIMO Vibration Controller
        • VT-9 Series Vibration Controller
      • Power Amplifier >
        • VSA-L Series Linear PA
        • VSA-H Series Switching PA
      • Slip Table
      • Head Expander
    • Dewesoft & PCB Instrument Calibration Service >
      • DEWESoft
      • PCB Sensors & Instrumentation
  • INFORMATION
    • DOWNLOAD >
      • DEWESoft
      • CAE Acoustic & Vibration
      • PCB Piezotronics >
        • Accelerometers
        • Force Sensors
        • Impact Hammers
        • Microphones
        • Signal Conditioners
      • ENDEVCO Sensors
      • IMI Industrial Sensors
      • Resensys Wireless Sensors
      • OMS Laser Vibrometer
      • Calibration Instruments
    • VIDEOS >
      • DEWESoft
      • CAE Acoustic & Vibration
      • PCB Piezotronics >
        • PCB Piezotronics Virtual Tour
    • TRAINING >
      • Getting Started with DEWESOFT
      • How to Measure Signals
      • How to Analyze Data
      • Case Studies
    • WEBINARS
  • Contact