{"id":28944,"date":"2021-08-26T16:05:20","date_gmt":"2021-08-26T14:05:20","guid":{"rendered":"https:\/\/itemm.fr\/itemm\/?p=28944"},"modified":"2021-08-31T15:52:27","modified_gmt":"2021-08-31T13:52:27","slug":"etude-dune-embouchure-besson","status":"publish","type":"post","link":"https:\/\/itemm.fr\/itemm\/etude-dune-embouchure-besson\/","title":{"rendered":"\u00c9tude d&rsquo;une embouchure \u00ab\u00a0Besson\u00a0\u00bb"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"28944\" class=\"elementor elementor-28944\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-47f6054e elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"47f6054e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;shape_divider_bottom&quot;:&quot;waves&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t<div class=\"elementor-shape elementor-shape-bottom\" aria-hidden=\"true\" data-negative=\"false\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 1000 100\" preserveAspectRatio=\"none\">\n\t<path class=\"elementor-shape-fill\" d=\"M421.9,6.5c22.6-2.5,51.5,0.4,75.5,5.3c23.6,4.9,70.9,23.5,100.5,35.7c75.8,32.2,133.7,44.5,192.6,49.7\n\tc23.6,2.1,48.7,3.5,103.4-2.5c54.7-6,106.2-25.6,106.2-25.6V0H0v30.3c0,0,72,32.6,158.4,30.5c39.2-0.7,92.8-6.7,134-22.4\n\tc21.2-8.1,52.2-18.2,79.7-24.2C399.3,7.9,411.6,7.5,421.9,6.5z\"\/>\n<\/svg>\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6f0324f6\" data-id=\"6f0324f6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21598d26 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"21598d26\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">\u00c9tude d&rsquo;une embouchure \u00ab\u00a0Besson\u00a0\u00bb<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43ddbeb elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"43ddbeb\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"post-info.default\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-ede85bd elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/author\/cedric\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tcedric.charrier\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-ef11192 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/2021\/08\/26\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>ao\u00fbt 26, 2021<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-e52f4f7 elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-tags\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/category\/innovation\/conservation-du-patrimoine\/\" class=\"elementor-post-info__terms-list-item\">Conservation du patrimoine<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3a830e93 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3a830e93\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1d69901\" data-id=\"1d69901\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b84d10d elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"b84d10d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"528\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-1024x528.png\" class=\"attachment-large size-large wp-image-28951\" alt=\"etude embouchure Besson fig2\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-1024x528.png 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-600x309.png 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-300x155.png 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-768x396.png 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2.png 1533w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4660e3ec elementor-widget elementor-widget-spacer\" data-id=\"4660e3ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ac3b552 elementor-widget elementor-widget-theme-post-excerpt\" data-id=\"2ac3b552\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"theme-post-excerpt.default\">\n\t\t\t\t\tLa mesure de la perce (le rayon int\u00e9rieur) des instruments de musique par tomographie \u00e0 rayons X devient d\u00e9licate d\u00e8s lors que les parois de l'instrument deviennent \u00e9paisses, c'est-\u00e0-dire de la m\u00eame taille que le rayon.\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-435dc6fe elementor-widget elementor-widget-spacer\" data-id=\"435dc6fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c91f421 elementor-widget elementor-widget-text-editor\" data-id=\"7c91f421\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Dans ce cas, des artefacts li\u00e9s \u00e0 la technique de tomographie comme le durcissement du faisceau (1) rendent la d\u00e9tection automatique de la paroi ambig\u00fce. Une estimation manuelle, image par image, est plus longue, mais plus pr\u00e9cise, mais ne r\u00e9sout pas toutes les incertitudes.<\/p><p>L&#8217;embouchure des instruments de musique est une partie extr\u00eamement importante qui doit \u00eatre mesur\u00e9e avec pr\u00e9cision. Afin de valider les estimations issues de la tomographie, une mesure ind\u00e9pendante a \u00e9t\u00e9 faite en r\u00e9alisant un moulage silicone de l&#8217;embouchure. Non seulement cette seconde mesure a valid\u00e9 la m\u00e9thodologie par tomographie, mais elle offre une estimation avec moins de parasites de l&#8217;embouchure. Ce moulage en silicone a \u00e9t\u00e9 r\u00e9alis\u00e9 par l&rsquo;\u00e9quipe scientifique de la Cit\u00e9 de la Musique \u00e0 Paris.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-5386037 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5386037\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-0d7a4ff\" data-id=\"0d7a4ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b24204 elementor-widget elementor-widget-image\" data-id=\"6b24204\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"494\" height=\"1024\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-494x1024.jpg\" class=\"attachment-large size-large wp-image-28950\" alt=\"etude embouchure Besson fig1_gauche\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-494x1024.jpg 494w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-scaled-600x1244.jpg 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-145x300.jpg 145w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-768x1592.jpg 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-741x1536.jpg 741w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-988x2048.jpg 988w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_gauche-scaled.jpg 1235w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Photo du moulage silicone de l'embouchure de la trompette \"Besson\" E.0925. Une partie du fond a \u00e9t\u00e9 enlev\u00e9e num\u00e9riquement pour am\u00e9liorer le contraste. <\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-1fcecbf\" data-id=\"1fcecbf\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6e0caf2 elementor-widget elementor-widget-image\" data-id=\"6e0caf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"562\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite-1024x562.png\" class=\"attachment-large size-large wp-image-28949\" alt=\"etude embouchure Besson fig1_gauche\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite-1024x562.png 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite-600x329.png 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite-300x165.png 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite-768x421.png 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig1_droite.png 1338w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Comparaison entre la mesure de la perce de l'embouchure par tomographie \u00e0 rayons X et par moulage silicone. Les deux mesures concordent tr\u00e8s bien, avec une mesure moins bruit\u00e9e pour le moulage silicone.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-b3792d5 elementor-widget elementor-widget-text-editor\" data-id=\"b3792d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Cette m\u00e9thode permet donc de compenser certains d\u00e9fauts inh\u00e9rents \u00e0 la m\u00e9thode par tomodensitom\u00e9trie, et la combinaison des deux permet de scanner finement un instrument, y compris \u00e0 l\u2019int\u00e9rieur de la mati\u00e8re ou dans des zones difficilement accessibles<\/p><p id=\"docs-internal-guid-29104177-7fff-c455-c82f-6531738ac291\" dir=\"ltr\" style=\"line-height: 1.2; text-align: justify; margin-top: 0pt; margin-bottom: 0pt;\"><span style=\"font-size: 12pt; font-family: 'Liberation Serif'; color: #000000; background-color: transparent; font-weight: 400; font-style: normal; font-variant: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;\">\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1cbc5a2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1cbc5a2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-6b0c9d7\" data-id=\"6b0c9d7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fdcba54 elementor-widget elementor-widget-image\" data-id=\"fdcba54\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"528\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-1024x528.png\" class=\"attachment-large size-large wp-image-28951\" alt=\"etude embouchure Besson fig2\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-1024x528.png 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-600x309.png 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-300x155.png 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2-768x396.png 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2021\/08\/etude-embouchure-Besson-fig2.png 1533w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Image issue de la tomographie de la trompette E.0925 : d\u00e9tail sur l'embouchure. \u00c0 comparer avec la Fig.1.<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-e035fd3 elementor-widget elementor-widget-text-editor\" data-id=\"e035fd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>(1) Le durcissement du faisceau apparait au voisinage de mati\u00e8res de forte densit\u00e9. Il est d\u00fb \u00e0 des diff\u00e9rences de densit\u00e9 tr\u00e8s \u00e9lev\u00e9es au sein de la structure travers\u00e9e. On distingue alors sur l&rsquo;image une ombre dans et imm\u00e9diatement \u00e0 c\u00f4t\u00e9 d&rsquo;une structure \u00e0 haut contraste.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-234e366 elementor-widget elementor-widget-text-editor\" data-id=\"234e366\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Article \u00e9crit par : Tobias VAN BAARSEL<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2b55d203 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b55d203\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column 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data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Plus \u00e0 d\u00e9couvrir<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f7ac4da elementor-grid-2 elementor-posts--align-center elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-posts--thumbnail-top elementor-card-shadow-yes elementor-posts__hover-gradient elementor-widget elementor-widget-posts\" data-id=\"3f7ac4da\" data-element_type=\"widget\" data-e-type=\"widget\" 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class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/itemm.fr\/itemm\/portes-ouvertes-5-decembre2026\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"157\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-300x157.jpg\" class=\"attachment-medium size-medium wp-image-63209\" alt=\"bannie\u0300re jpo 5 de\u0301cembre 2026\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-300x157.jpg 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-1024x535.jpg 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-768x401.jpg 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-1536x802.jpg 1536w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-2048x1069.jpg 2048w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-600x313.jpg 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/banniere-jpo-5-decembre-2026-scaled.jpg 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Actualit\u00e9s<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/portes-ouvertes-5-decembre2026\/\" >\n\t\t\t\tPortes ouvertes 5 d\u00e9cembre2026\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>Journ\u00e9e Portes Ouvertes 5 d\u00e9cembre 2026 de 9 h \u00e0 17 h L&rsquo;\u00e9quipe de l&rsquo;ITEMM a le plaisir de vous accueillir \u00e0 ses Portes Ouvertes<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t22 octobre 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-63462 post type-post status-publish format-standard has-post-thumbnail hentry category-actualites tag-portes-ouvertes\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/itemm.fr\/itemm\/reforme-des-diplomes-de-la-facture-instrumentale-ce-qui-change-a-litemm-pour-la-rentree-2027\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"158\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1-300x158.png\" class=\"attachment-medium size-medium wp-image-63463\" alt=\"r\u00e9forme examens\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1-300x158.png 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1-1024x538.png 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1-768x403.png 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1-600x315.png 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2026\/10\/Site-web-1.png 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__badge\">Actualit\u00e9s<\/div>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/reforme-des-diplomes-de-la-facture-instrumentale-ce-qui-change-a-litemm-pour-la-rentree-2027\/\" >\n\t\t\t\tR\u00e9forme des dipl\u00f4mes de la facture instrumentale : ce qui change \u00e0 l&rsquo;ITEMM pour la rentr\u00e9e 2027\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\t\t<div class=\"elementor-post__excerpt\">\n\t\t\t<p>C\u2019est une \u00e9volution majeure pour les m\u00e9tiers d&rsquo;art et de la facture instrumentale. La fili\u00e8re de formation se transforme pour mieux coller aux r\u00e9alit\u00e9s du<\/p>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-post__meta-data\">\n\t\t\t\t\t<span class=\"elementor-post-date\">\n\t\t\t12 octobre 2026\t\t<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>La mesure de la perce (le rayon int\u00e9rieur) des instruments de musique par tomographie \u00e0 rayons X devient d\u00e9licate d\u00e8s lors que les parois de l&rsquo;instrument deviennent \u00e9paisses, c&rsquo;est-\u00e0-dire de la m\u00eame taille que le rayon.<\/p>\n","protected":false},"author":3004,"featured_media":28951,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2176],"tags":[],"class_list":["post-28944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservation-du-patrimoine"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tude d&#039;une embouchure &quot;Besson&quot; | Itemm -<\/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:\/\/itemm.fr\/itemm\/etude-dune-embouchure-besson\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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