BS 6310:1982
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts
Hardcopy , PDF
31-07-2010
English
31-12-1982
National foreword
Cooperating organizations
Specification
1 Scope
2 Object
3 Definitions
4 General requirements
5 Performance specifications
6 Performance tests
7 Coupling arrangements
8 Calibration
9 Atmospheric reference conditions
Tables
I Modulus of the acoustic transfer impedance and
associated tolerances
II Sound pressure level relative to that at the
reference frequency 500 Hz for the nominal effective
volume (1.26 cm3), and associated tolerances
Figures
1 Coupling of an insert earphone to the occluded-ear
simulator
2 Coupling of a behind-the-ear type of hearing aid to
the occluded-ear simulator
3 Coupling for in-the-ear type of hearing aid (modular
type) to the occluded-ear simulator
4 Coupling arrangement for an in-the-ear type of
hearing aid (custom-made) to the occluded-ear
simulator
5 Coupling arrangement for an insert earphone with an
earmould to the occluded-ear simulator
6 Coupling arrangement for a real-ear insert to the
occluded-ear simulator
A1 Example of one specific design of occluded-ear
simulator
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