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International Journal of Audiology Volume 54, 2015 - Issue 5
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Original Article

Electro-acoustic performance of the new bone vibrator Radioear B81: A comparison with the conventional Radioear B71

Karl-Johan Fredén Jansson *Department of Signals and Systems, Chalmers University of Technology, Göteborg, SwedenCorrespondence[email protected]
,
Bo Håkansson *Department of Signals and Systems, Chalmers University of Technology, Göteborg, Sweden
,
Leif JohannsenOrtofon A/S, DK-4900Nakskov, Denmark
&
Tomas TengstrandHörselverksamheten and The Sahlgrenska Academy, Göteborg University, Göteborg, Sweden
Pages 334-340 | Received 30 Jan 2014, Accepted 18 Oct 2014, Published online: 18 Dec 2014

References

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  • IEC 60268-3. Sound system equipment – Part 3: Amplifiers. Geneva: IEC; 2013–04.
  • IEC 60645-1. Electroacoustics –Audiometric equipment – Part 1: Equipment for pure-tone audiometry. Geneva: IEC; 2012–02.
  • ISO 389-3. Acoustics – Reference zero for the calibration of audiometric equipment – Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators. Geneva: ISO; 1994-10-01.
  • Parving A. & Elbering C. 1982. High-pass masking in the classification of low-frequency hearing loss. Scandinavian Audiology, 11, 173–178.
  • Reinfeldt S, Håkansson B, Taghavi H, Fred n Jansson K-J & Eeg-Olofsson M.. 2014. The Bone Conduction Implant – clinical results of the first six patients. Int J Audiol.
  • Richards W.D. & Frank T. 1982. Frequency response and output variations of Radioear B-71 and B-72 bone vibrators. Ear Hear, 3, 37–8.
  • Stenfelt S. & Goode R.L. 2005. Bone conducted sound: Physiological and clinical aspects. Otol Neurotol, 26, 1245–1261.

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