{"id":231,"date":"2022-05-21T14:14:38","date_gmt":"2022-05-21T14:14:38","guid":{"rendered":"https:\/\/www.studwiz.com\/blog\/?p=231"},"modified":"2022-06-02T16:21:18","modified_gmt":"2022-06-02T16:21:18","slug":"calcolo-della-somma-di-diverse-sorgenti-sonore","status":"publish","type":"post","link":"https:\/\/www.studwiz.com\/blog\/calcolo-della-somma-di-diverse-sorgenti-sonore\/","title":{"rendered":"CALCOLO DELLA SOMMA DI DIVERSE SORGENTI SONORE"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-232 size-full\" src=\"https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large.jpg\" alt=\"CALCOLO DELLA SOMMA DI DIVERSE SORGENTI SONORE\" width=\"965\" height=\"306\" srcset=\"https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large.jpg 965w, https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large-300x95.jpg 300w, https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large-768x244.jpg 768w, https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large-295x94.jpg 295w, https:\/\/www.studwiz.com\/blog\/wp-content\/uploads\/2022\/05\/sum-sound-noise-large-346x110.jpg 346w\" sizes=\"auto, (max-width: 965px) 100vw, 965px\" \/><\/p>\n<p class=\"svago\">Il rumore \u00e8 fastidioso, molesto e indesiderato. Il rumore \u00e8 un segnale di disturbo rispetto all&#8217;informazione trasmessa in un sistema. Come i suoni, il rumore \u00e8 costituito da onde di pressione sonora.<\/p>\n<div class=\"separatore-10mm\"><\/div>\n<div class=\"separatore-10mm\"><\/div>\n<div id=\"introduction\">\n<h2>Combinazione di diverse sorgenti sonore<\/h2>\n<p class=\"svago\">Il calcolatore del decibel pu\u00f2 essere utilizzato per combinare i livelli fino a trenta sorgenti di rumore acustiche incoerenti. E&#8217; necessario conoscere ed inserire il livello di ciascuna sorgente in decibel (dB).<\/p>\n<p class=\"svago\">Compilare solo le caselle necessarie (max 30), quindi fare clic sul pulsante di calcolo per ottenere il valore calcolato.<\/p>\n<\/div>\n<p><!-- Adding or combining of levels --><br \/>\n<script language=\"JavaScript\">\n<!-- start\nfunction add_decibels(a,b)\n{\nvar c=Math.pow(10,a\/10);\nvar d=Math.pow(10,b\/10);\nvar d2=c+d;\nvar d3=Math.log(d2)\/Math.log(10);\nvar e=10*d3;\nvar answer = parseInt(100*e)\/100;\nreturn answer;\n}\nfunction add_decibel_list(decibels)\n{\nvar answer = 0;\nfor (var i = 0; i < decibels.length; i++)\n{\nif (i == 0)\n{\nanswer = decibels[0];\n}\nelse\n{\nanswer = add_decibels(answer, decibels[i]);\n}\n}\nreturn answer;\n}\nfunction calculate_decibels()\n{\nvar decibels = [];\nif (true)\n{\nvar values = 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name=\"source1\" size=\"5\" type=\"text\" value=\"74\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 3 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source2\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 4 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source3\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 5 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source4\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 6 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source5\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 7 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source6\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 8 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source7\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 9 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source8\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 10 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source9\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 11 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source10\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 12 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source11\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 13 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source12\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 14 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source13\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 15 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source14\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 16 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source15\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 17 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source16\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 18 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source17\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 19 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source18\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 20 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source19\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 21 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source20\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 22 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source21\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 23 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source22\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 24 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source23\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 25 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source24\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 26 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source25\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 27 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source26\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 28 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source27\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 29 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source28\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\"><b>Level 30 \u00a0<\/b><\/span><\/td>\n<td><input style=\"background: #C0C0C0;\" name=\"source29\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"center\"><input style=\"background: #6699FF;\" type=\"reset\" value=\"\u00a0\u00a0reset\u00a0\u00a0\" \/><\/td>\n<td align=\"center\"><input style=\"background: #6699FF;\" type=\"button\" value=\"calculate\" \/><\/td>\n<\/tr>\n<tr style=\"background: #EFEFEF;\">\n<td align=\"right\"><span style=\"font-family: Arial;\">\u00a0<b>Total level<\/b>\u00a0<\/span><\/td>\n<td><input style=\"background: #FFFFFF;\" name=\"total\" size=\"5\" type=\"text\" \/><br \/>\n<span style=\"font-family: Arial;\"><b>dB<\/b><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/form>\n<\/div>\n<div class=\"separatore-10mm\"><\/div>\n<div id=\"metodo-calcolo\">\n<h2>Metodo di calcolo<\/h2>\n<p class=\"svago\">Incoerente o non coerente significa che i segnali dei canali sono irrelativi come ad esempio un violino e una tromba; ci\u00f2 significa non avere alcuna relazione correlativa.<\/p>\n<p class=\"svago\">Date due fonti incoerenti, il loro effetto combinato \u00e8 la somma della loro potenza acustica:<br \/>\nL = 10*Log<sub>10<\/sub>(10<sup>A<\/sup>+10<sup>B<\/sup>+10<sup>C<\/sup>)<\/p>\n<p class=\"svago\">Ad esempio, la somma di tre valori di rumorosit\u00e0 espressa in decibel 94 + 96 + 98 si calcola come:<br \/>\nL = 10*Log<sub>10<\/sub>(10<sup>94<\/sup>+10<sup>96<\/sup>+10<sup>98<\/sup>) = 101.1 dB<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Il rumore \u00e8 fastidioso, molesto e indesiderato. Il rumore \u00e8 un segnale di disturbo rispetto all&#8217;informazione trasmessa in un sistema. Come i suoni, il rumore \u00e8 costituito da onde di pressione sonora. Combinazione di diverse sorgenti sonore Il calcolatore del decibel pu\u00f2 essere utilizzato per combinare i livelli fino a trenta sorgenti di rumore acustiche incoerenti. E&#8217; necessario conoscere ed inserire il livello di ciascuna sorgente in decibel (dB). Compilare solo le caselle necessarie (max 30), quindi fare clic sul pulsante di calcolo per ottenere il valore calcolato. &nbsp; Level 1 \u00a0 dB Level 2 \u00a0 dB Level 3 \u00a0 <\/p>\n","protected":false},"author":1,"featured_media":232,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_themeisle_gutenberg_block_has_review":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[36,37,35],"class_list":["post-231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-engineering-tools","tag-acustica","tag-calcolatore","tag-suono","cat-3-id","has_thumb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CALCOLO DELLA SOMMA DI DIVERSE SORGENTI SONORE - Studwiz Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.studwiz.com\/blog\/calcolo-della-somma-di-diverse-sorgenti-sonore\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CALCOLO DELLA SOMMA DI DIVERSE SORGENTI SONORE - Studwiz Blog\" \/>\n<meta property=\"og:description\" content=\"Il rumore \u00e8 fastidioso, molesto e indesiderato. 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