References
- IEC 60318-1 1998. Electroacoustics – Simulators of human head and ear – Part 1: Ear simulator for the calibration of supra-aural earphones. Geneva: International Electrotechnical Commission.
- IEC 60318-2 1998. Electroacoustics – Simulators of human head and ear – Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range. Geneva: International Electrotechnical Commission.
- IEC 60318-3 1998. Electroacoustics – Simulators of human head and ear – Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry. Geneva: International Electrotechnical Commission.
- Poulsen T. & Oakley S. 2009. Equivalent threshold sound pressure levels (ETSPL) for Sennheiser HDA 280 supra-aural audiometric earphones in the frequency range 125 Hz to 8000 Hz. Int J Audiol, 48, 271–276.