DIN EN ISO 11904-1:2003-02

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement principle
5 Instrumentation
   5.1 Ear canal microphone
   5.2 Reference field microphone
   5.3 Check of calibration
   5.4 Filters
6 Subjects
7 Use of ear canal microphone
   7.1 Choice of ear canal measurement position
   7.2 Mounting of microphones
   7.3 Safety
8 Determination of free-field or diffuse-field
   related equivalent continuous A-weighted sound
   pressure level
   8.1 Measurement of ear canal sound pressure level
   8.2 Conversion to free-field or diffuse-field related
         sound pressure level
   8.3 A-weighting and summation
9 Free-field and diffuse-field frequency responses for
   selected ear canal measurement positions
10 Determination of free-field or diffuse-field frequency
   responses
   10.1 General
   10.2 Measurement principle
   10.3 Establishment of a free reference sound field
   10.4 Establishment of a quasi-free reference sound
         field
   10.5 Establishment of a diffuse reference sound field
   10.6 Measurement of the reference sound field
   10.7 Measurement of ear canal sound pressure level in
         reference sound field
   10.8 Determination of free-field or diffuse-field
         frequency response
   10.9 Simplifications in specific cases
   10.10 Optional check of the measurement arrangement
11 Test report
Annex A (informative) Example of sources of measurement
        uncertainty
Annex B (informative) Example of an uncertainty analysis
Bibliography