Electroacoustic measurements

SenseLab has a fast and accurate test procedure, which provides day-to-day measurements for urgent matters.

We can deliver measurement results in a summary report format within 24 hours of product delivery at DELTA head quater. All measurements will be performed by a professional with thorough training in methods and measurement setup.

DELTAs loudspeaker measurement service is fast, reproducible and delivers standard-based tests and measurement results. Results are usable in all stages of product development, from early prototyping to verification and quality testing of end products.

IEC 60269-05 – Measurements of passive loudspeaker units and systems

The IEC 60269-05 standard describes a broad series of measurements, on loudspeaker units and systems. SenseLab offers a thorough measurement series, based on the standard, but including a set of additional measurements, which we believe, complement the standard. Our test procedure is based on the IEC 60268-05 standard, but includes waterfall plot, multi-tone distortion, impulse response and a DELTA-developed overall loudspeaker quality rating.

Measurements include:

  • Frequency response, on axis and at 30, 60 and 90 degrees.
  • Waterfall plot
  • Sound power response
  • Distortion measures:
    – TDH- IMD/DTD- Multitone
  • Sensitivity
  • Thiele-Small parameters

IEC 60268-07 – Electroacoustic measurements of headphones

The IEC 60269-07 standard describes a broad series of measurements, on headphones. SenseLab offers a thorough measurement series, based on the standard, but including a set of additional measurements, which we believe, complement the standard.

Measurements can be performed on all types of headphones, from circumaural to in-ear types.

Our test procedure is based on the IEC 60268-07 standard, but includes waterfall plot, multi-tone distortion and a headphone equalisation data, in the form of FIR filter coefficients.

Measurements include:

  • Frequency response, diffuse- and free-field correction curves included.
  • Waterfall plot
  • Distortion measures:
    – THD- IMD/DTD- Multitone
  • Sensitivity
  • External noise attenuation

Measurements will be carried out on a Brüel & Kjær Head And Torso Simulator (H.A.T.S.)

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