Products

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