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Acoustic Analysis
In today’s engineering landscape, noise is no longer just a by-product—it is a critical design parameter driven by regulatory compliance, environmental concerns, and customer perception.
The m+p Analyzer Acoustic Analysis solution provides a comprehensive platform for noise and vibration measurement, analysis, and sound quality evaluation, enabling engineers to quantify, localize, and optimize acoustic performance across a wide range of applications.
From basic sound pressure measurements to advanced sound quality metrics, the system supports both laboratory-grade and field-based acoustic testing.
APPLICATION AREAS
- Sound engineering and acoustic design
- Product refinement and sound quality optimization
- Comparative product benchmarking
- Occupational health and safety compliance
- Portable and field-based acoustic measurements
COMPREHENSIVE ACOUSTIC CAPABILITIES
Octave & Fractional Octave Analysis
- Fully compliant with ANSI S1.4 and IEC 61672 (Class 1) standards
- Supports 1/1 to 1/24 octave bands (1 Hz – 100 kHz)
- A/B/C weighting, LEQ, impulse, fast/slow response modes
Sound Intensity & Source Localization
- Real-time measurement using dual-microphone intensity probes
- Accurate noise source identification and localization
- 3D color-mapped visualization of sound intensity distribution
- Enables on-site measurements without anechoic chambers
Sound Power Determination
- Absolute measurement of noise emissions for regulatory compliance
- Guided workflows for ISO 374x and ISO 9614 standards
- Suitable for both controlled environments and real-world conditions
- Supports specialized standards like IEC 61400-11 (wind turbines)
Sound Quality
- Advanced psychoacoustic evaluation based on Zwicker Loudness (ISO 532 / DIN 45631)
- Metrics for pitch, tonality, warble, and sound character
- Enables product differentiation through perceived sound quality
Impedance Tube Testing
- Measurement of acoustic material properties such as:
- Absorption coefficient
- Reflection coefficient
- Transmission loss
- Compliant with ISO 10534-2, ASTM E1050, ASTM E2611
- Supports 2- and 4-microphone configurations
Human Vibration
- Evaluation of hand-arm and whole-body vibration
- Compliant with ISO and BS standards
- Includes C/D/H/K weighting and VDV calculations
- Integrated with acoustic metrics for comfort and refinement analysis
