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IEC 60268-24-ed.1.0
Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
Translate name
STANDARD published on 30.11.2023
The information about the standard:
Designation standards: IEC 60268-24-ed.1.0
Publication date standards: 30.11.2023
SKU: NS-1159737
The number of pages: 50
Approximate weight : 150 g (0.33 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60268-24-ed.1.0 :
IEC 60268-24:2023 is applicable to active acoustic noise-cancelling headphones and earphones which have the function of reducing the noise heard by the user by the output sound from the transducer generated by the environment noise detection microphone and the noise reduction signal processing circuit. This document specifies the terms and definitions of this type of headphones or earphones, the characteristics to be specified, and the measurement and evaluation methods. The noise detection microphone or microphones are mounted in the body, on the surface, or on an accessory of the headphones or earphones. Signal processing circuits are analogue and digital electronic circuits. This document does not deal with equipment intended for hearing protection. The noise cancelling characteristic measurement methods can be applied to headphones and earphones having no active noise cancelling function. LIEC 60268-24:2023 sapplique aux casques et ecouteurs a annulation active du bruit acoustique qui ont pour fonction de reduire le bruit entendu par lutilisateur; le son obtenu en sortie provient du transducteur et il est genere par le microphone de detection du bruit ambiant et le circuit de traitement du signal de reduction du bruit. Le present document specifie les termes et definitions relatifs a ce type de casques ou decouteurs, les caracteristiques a specifier ainsi que les methodes de mesurage et devaluation. Le microphone ou les microphones de detection du bruit sont montes a linterieur du corps, sur la surface ou sur un accessoire des casques ou des ecouteurs. Les circuits de traitement du signal sont des circuits electroniques analogiques et numeriques. Le present document ne traite pas des equipements destines a la protection auditive. Les methodes de mesurage des caracteristiques dannulation du bruit peuvent etre appliquees aux casques et aux ecouteurs qui nont aucune fonction dannulation active du bruit.
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