IEC 60118-2:1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hearing aids. Part 2: Hearing aids with automatic gain control circuits
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
06-09-2015
01-01-1983
FOREWORD
PREFACE
1 Scope
2 Object
3 Conditions
4 Explanation of terms
4.1 Automatic gain control (AGC)
4.2 Steady-state input/output graph
4.3 Lower AGC limit or AGC threshold
4.4 Compression ratio (between specified input sound
pressure level values)
4.5 Dynamic output characteristics
4.6 Attack time
4.7 Recovery time
5 Steady-state input/output graph
5.1 Graph showing the relation between input sound
pressure level and output sound pressure level
5.2 Methods of measurement
6 Dynamic output characteristics
6.1 Characteristics to be measured
6.2 Methods of measurement
7 Non-linear distortion
7.1 Transient
7.2 Harmonic distortion
7.3 Intermodulation distortion
8 Effect on steady-state and dynamic performance with
respect to variation in battery or supply voltage
FIGURES
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