Gaois

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  1. SCIENCE|natural and applied sciences|applied sciences · SCIENCE|natural and applied sciences|physical sciences · PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations

    #632477

    IATE #1603772
    lármhinicíocht Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Abstimmfrequenz | Mittenfrequenz
    de
    Definition das geometrische Mittel der unteren und der oberen Grenzfrequenz (Übergangsfrequenz) eines Frequenzbands mit einer bestimmten Filterbandbreite Reference "Wikipedia, s. v. ""Mittenfrequenz"", http://de.wikipedia.org/wiki/Mittenfrequenz (22.9.2014)"
    centre frequency | center frequency | centre frequency of a frequency band | frequency band centre frequency | band centre frequency | band center frequency | centre band frequency
    en
    Definition geometric mean of the upper and lower frequency limits of a frequency band, by which the band is identified together with the bandwidth Reference "COM-Term. Coord., based on:- Hansen, C. H., Fundamentals of Acoustics http://www.who.int/occupational_health/publications/noise1.pdf [15.10.2014] - Truax, B. (ed.), Handbook of Acoustic Ecology, Centre Frequency, Cambridge Street Publishing, 1999 http://www.sfu.ca/sonic-studio/handbook/Centre_Frequency.html [15.10.2014]"
    Comment "In acoustical measurements, sound pressure level is often measured in octave bands, and the centre frequencies of these bands are defined by ISO (31.5 Hz, 63 Hz, 125 Hz, 250 Hz, 500 Hz, 1 kHz, 2 kHz, 4 kHz, 8 kHz, 16 kHz) to divide the audio spectrum into 10 equal parts. (Gracey & Associates, Sound and Vibration : Definitions, Terms, Units and Parameters, Octave http://www.acoustic-glossary.co.uk/definitions-o.htm [15.10.2014])"
    fréquence centrale | fréquence médiane | fréquence nominale
    fr
    Definition fréquence dont la valeur correspond à la moyenne géométrique des limites de fréquences Reference "COM-FR, d'après ISO 13261-1:1998, Détermination du niveau de puissance acoustique émis par les climatiseurs et les pompes à chaleur sur l'air – Partie 1: Appareils extérieurs non raccordés, https://www.iso.org/obp/ui/#iso:std:iso:13261:-1:ed-1:v1:fr [21.10.2014]"