camera disturbante e camera disturbata
German translation: Senderaum und Empfangsraum / English: source room and receiving room
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| 06:19 May 5, 2017 |
| Italian to German translations [PRO] Tech/Engineering - Manufacturing / livello di pressione sonora | |||||||
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|  Selected response from: Erzsébet Czopyk Hungary Local time: 02:22 | ||||||
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| 5 | Senderaum und Empfangsraum / English: source room and receiving room |
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1 hr confidence: 
Senderaum und Empfangsraum / English: source room and receiving room Explanation: schema di misura del potere fonoisolante in laboratorio Tra le due camere, una contenete la sorgente di rumore rosa o bianco ed in microfono, l'altra contenente il secondo microfono, viene inter posto il campione di materiale da testare. le due camere sono studiate in modo che l'energia venga transmessa esclusivamente dal materiale in prova, evitando le cosiddette trasmissioni laterali di energia sonora. Nori i livelli mediati della pressione sonora in banda di ottava, misurati dai due microfoni nella camera ricevente e nella camera disturbante; nota l'area equivalente di assorbimento acustico della camera ricevente e nota la superficie del materiale in prova, si utilizza la seguente formula: http://www.altracustica.org/docs/edilizia.pdf MEASUREMENT OF SOUND "TRANSMISSION LOSS BY SOUND ... https://jcaa.caa-aca.ca/index.php/jcaa/article/viewFile/542/... although currently the existance of at least one reverberant chamber is exploited. ... determined. 2. METHODS TO MEASURE THE SOUND TRANSMISSION LOSS ... where Lps and Lpf are respectively the average sound pressure levels (dB) in the source and receiving rooms , S (m2) the partition's surface area and. Acoustic Test Chambers and Environments http://www.ni.com/white-paper/264/en/ Messung[Bearbeiten | Quelltext bearbeiten] Zur Messung des Schalldämmmaßes gibt es verschiedene Möglichkeiten. Besonders leicht durchzuführen ist ein Verfahren, das in der Bauakustik breite Anwendung findet. Dabei wird von einer Konfiguration aus zwei Räumen ausgegangen, zwischen denen sich das zu charakterisierende Bauteil (z. B. eine Wand) mit der Trennfläche S befindet. In beiden Räumen wird ein diffuses Schallfeld vorausgesetzt und der mittlere Schalldruckpegel gemessen, der sich einstellt, wenn in einem der Räume (Senderaum) eine leistungsstarke Schallquelle aufgestellt wird. Im anderen Raum, dem Empfangsraum, wird zusätzlich die äquivalente Absorptionsfläche A durch Messung der Nachhallzeit bestimmt. Das Schalldämmmaß für diffusen Schalleinfall kann dann aus der Differenz Delta L der mittleren Schalldruckpegel bestimmt werden: https://de.wikipedia.org/wiki/Schalldämmmaß -------------------------------------------------- Note added at 7 hrs (2017-05-05 13:43:30 GMT) -------------------------------------------------- Google is our friend plus my first husband had a small studio :)))) -------------------------------------------------- Note added at 5 days (2017-05-10 07:18:38 GMT) Post-grading -------------------------------------------------- Vielen Dank, Birgit! |
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