A method for calibration of bone driver transducers to measure the mastoid impedance

Allen, 1986, Measurement of eardrum acoustic impedance, Peripheral Auditory Mechanisms, 44, 10.1007/978-3-642-50038-1_6 Beranek, 1988, Acoustical measurements, American Institute of Physics Boas, R.P., 1987. Invitation to complex analysis. Random House. BK4930, 1995. Artificial Mastoid — Type 4930. Brüel and Kjær, Skodsborgvej 307, DK-2850 Nærum, Denmark. Diana Cortés, 2002. Bone conduction transducers: output force dependency on load condition. Technical report. Department of Signals and Systems. Chalmers University of Technology, SE-412 96 Göteborg, Sweden. Flottorp, 1976, Mechanical impedance of human headbones (forehead and mastoid portion of the temporal bone) measured under ISO/IEC conditions, The Journal of the Acoustical Society of America, 59, 899, 10.1121/1.380949 Håkansson, 1986, The mechanical point impedance of the human head, with and without skin penetration, The Journal of the Acoustical Society of America, 80, 1065, 10.1121/1.393848 Haughton, 1982, A system for generating a variable mechanical impedance and its use in an investigation of the electromechanical properties of the B71 audiometric bone vibrator, British Journal of Audiology, 16, 1, 10.3109/03005368209081502 Hunt, 1954 ISO 389–3, 1994. Acoustics: reference zero for the calibration of audiometric equipment – Part 3: reference equivalent threshold force levels for pure tones and bone vibrators. International Organization for Standardization, Geneva, Switzerland. McMillan, 1946, Violation of the reciprocity theorem in linear passive electromechanical systems, The Journal of the Acoustical Society of America, 18, 344, 10.1121/1.1916372 Van Valkenburg, 1964 Vanderkooy, 1989, A model of loudspeaker driver impedance incorporating eddy currents in the pole structure, J. Audio. Eng. Soc., 37, 119 Warren, 2006, A ladder network impedance model for lossy wave phenomena, The Journal of the Acoustical Society of America, 119, 3377, 10.1121/1.4786592