NF EN 61842 : 2004
Current
The latest, up-to-date edition.
MICROPHONES AND EARPHONES FOR SPEECH COMMUNICATIONS
12-01-2013
1 Scope
2 Normative references
3 Terms and definitions
3.1 Classification
3.2 Devices for measurement
3.3 Characteristics and performance
4 Characteristics and measuring procedures
4.1 General conditions
4.2 Rated conditions
4.3 Measuring conditions
4.4 Microphones for speech communications
4.5 Earphones for speech communications
5 Connectors and contact designation
5.1 Miniature 4-position connector
5.2 Concentric connector
6 Endurance of insulation
7 Characteristics to be specified
Annex A (informative) Miniature 4-position connector
Annex B (informative) Sub-miniature 2,5 mm concentric connector
with three contacts
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
Figures
Tables
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.