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ASA S3.7 2016

ASA S3.7 2016

$91.54

ANSI/ASA S3.7-2016 American National Standard Method for Measurement and Calibration of Earphones

Published By Publication Date Number of Pages
ASA 2016 46
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PDF Catalog

PDF Pages PDF Title
13 1 Scope
2 Normative references
14 3 Terms and definitions
15 4 Coupler / ear simulator selection
4.1 General
16 4.2 Earphone types
17 5 Measurements of earphone response
5.1 Overview
5.2 Standard ambient reference conditions
5.3 Measurement system and test environment
18 5.4 Mounting the earphone or receiver on the coupler or ear simulator
19 5.5 Frequency response
21 5.6 Input/output characteristic
22 5.7 Electrical impedance
24 5.8 Harmonic distortion
28 Annex A (informative) Test configurations for various insert earphone types
A.1 Acoustic connection to the coupler or ear simulator
A.2 The HA-1 configuration
29 A.3 The HA-2 configuration
30 A.4 The HA-2B configuration
A.5 The HA-3 configuration
31 A.6 The HA-4 configuration
33 Annex B (informative) Two-tone distortion measurements
B.1 Difference frequency distortion
34 B.2 Procedure for measuring difference frequency distortion
36 B.3 Intermodulation distortion
B.4 Procedure for measuring intermodulation distortion
39 Annex C (informative) Left-right tracking response for stereo earphones
40 Annex D (informative) Tolerances and measurement uncertainty
42 Bibliography
44 Blank Page

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ASA S3.7 2016
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