File:Noise Curves Graph Spectrum with NC.jpg
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Noise_Curves_Graph_Spectrum_with_NC.jpg (540 × 403 pixels, file size: 36 KB, MIME type: image/jpeg)
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DescriptionNoise Curves Graph Spectrum with NC.jpg |
English: The lowest curve which is not touched by the measured spectrum at any position in the audio frequency range is NC-45. This room has an NC45 rating. |
Date | |
Source | Own work |
Author | Phonical |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:57, 31 March 2016 | 540 × 403 (36 KB) | Phonical (talk | contribs) | User created page with UploadWizard |
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