IEC TR 60959:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Provisional head and torso simulator for acoustic measurements on air conduction hearing aids
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
03-14-2011
English - French
05-15-1990
FOREWORD
PREFACE
INTRODUCTION
Clause
1 Scope
2 Definitions
3 Physical characteristics of the manikin
3.1 Torso
3.2 Head
3.3 Pinna
3.4 Ear simulator
3.5 Materials
3.6 Markings
3.7 Tolerances
4 Acoustical characteristics of the manikin
4.1 Measurement conditions
4.2 Free field frequency response
4.3 Tolerances
5 Other properties
5.1 Openings
5.2 Test for sound leakage
APPENDIX A - Ear canal sound pressure ratio
APPENDIX B - Manikin without pinnae
APPENDIX C - Bibliography
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