IMPro -- Method for Integrated Microphone Pressure Frequency Response Measurement Using a Probe Microphone

Cozens J, Hämäläinen M, Pekkarinen M. IMPro -- Method for Integrated Microphone Pressure Frequency Response Measurement Using a Probe Microphone. In: Convention Paper. Audio Engineering Society; 2025. Paper 10225. Available from: https://aes.org/publications/elibrary-page/?id=22907

@inproceedings{Cozens2025_22907,
  author = {Cozens, John and Hämäläinen, Matti and Pekkarinen, Mikko},
  title = {{IMPro -- Method for Integrated Microphone Pressure Frequency Response Measurement Using a Probe Microphone}},
  note = {Paper 10225},
  year = {2025},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=22907}
}

TY  - CPAPER
TI  - IMPro -- Method for Integrated Microphone Pressure Frequency Response Measurement Using a Probe Microphone
AU  - Cozens, John
AU  - Hämäläinen, Matti
AU  - Pekkarinen, Mikko
M1  - Paper 10225
PY  - 2025
DA  - 2025/05/12
UR  - https://aes.org/publications/elibrary-page/?id=22907
PB  - Audio Engineering Society
LA  - en
AB  - We propose a practical method for the measurement of the pressure sensitivity frequency response of a microphone that has been integrated into product mechanics. The method uses a probe microphone to do determine the sound pressure entering the inlet of the integrated microphone. We show that the measurements can be performed in a normal office environment as well as in anechoic conditions. The method is validated with measurement of a rigid spherical microphone prototype having analytically defined scattering characteristics. Our results indicate that the proposed method, called IMPro, can effectively measure the pressure sensitivity frequency response of microphones in commercial products, quite independent of the measurement environment.
ER  -