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Standard ČSN ISO 226 1.4.2005 preview

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ČSN ISO 226 (011687)

Acoustics - Normal equal-loudness-level contours



STANDARD published on 1.4.2005


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The information about the standard:

Designation standards: ČSN ISO 226
Classification mark: 011687
Catalog number: 72667
Publication date standards: 1.4.2005
SKU: NS-178418
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

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The category - similar standards:

Noise with respect to human beings

Annotation of standard text ČSN ISO 226 (011687):

Křivky definující kombinace kmitočtu a hladiny akustického tlaku čistých tónů, které jsou vnímány jako stejně hlasité, vyjadřují základní vlastnost lidského sluchového systému a mají základní význam v oblasti psychoakustiky. Spolu s údaji o prahu slyšení v podmínkách volného a difúzního pole byly tyto křivky stejné hlasitosti stanoveny v ISO 226:1987. Během technické revize ISO 226:1987 bylo rozhodnuto oddělit údaje o prahových a nadprahových hodnotách do dvou dokumentů, protože dostupné údaje o stejné hlasitosti nebyly dostatečné a byly zapotřebí údaje o prazích slyšení. Prahové hodnoty byly uvedeny v ISO 389-7:1996 Akustika - Referenční nula pro kalibraci audiometrických přístrojů - Část 7: Referenční práh akustického tlaku v podmínkách volného a difúzního pole, která je součástí řady mezinárodních norem týkajících se referenčních nulových hodnot pro kalibraci audiometrických přístrojů. Křivky stejné hlasitosti jsou uvedeny v této normě. Údaje uvedené v ISO 226:1987 byly revidovány.

Preview of the standard ČSN ISO 226 (011687)

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