{"id":33868,"date":"2022-01-13T16:32:23","date_gmt":"2022-01-13T15:32:23","guid":{"rendered":"https:\/\/itemm.fr\/itemm\/?p=33868"},"modified":"2022-01-27T09:15:55","modified_gmt":"2022-01-27T08:15:55","slug":"vers-de-nouvelles-methodes-de-mesure-pour-les-luthiers","status":"publish","type":"post","link":"https:\/\/itemm.fr\/itemm\/vers-de-nouvelles-methodes-de-mesure-pour-les-luthiers\/","title":{"rendered":"Vers de nouvelles m\u00e9thodes de mesure pour les luthiers ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"33868\" class=\"elementor elementor-33868\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1e7e78c7 elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"1e7e78c7\" 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;,&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&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-1bcab087\" data-id=\"1bcab087\" 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-57311be8 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"57311be8\" 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\">Vers de nouvelles m\u00e9thodes de mesure pour les luthiers ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-361c3f69 elementor-align-center elementor-widget elementor-widget-post-info\" data-id=\"361c3f69\" 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-ef11192 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/itemm.fr\/itemm\/2022\/01\/13\/\">\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>13\/01\/2022<\/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>, <a href=\"https:\/\/itemm.fr\/itemm\/category\/innovation\/\" class=\"elementor-post-info__terms-list-item\">innovation<\/a>, <a href=\"https:\/\/itemm.fr\/itemm\/category\/innovation\/support-aux-entreprises\/\" class=\"elementor-post-info__terms-list-item\">Support aux entreprises<\/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-139848e0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"139848e0\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\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-728962f6\" data-id=\"728962f6\" 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-4179eb58 elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"4179eb58\" 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=\"650\" height=\"429\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.08.24-e1642068589653.png\" class=\"attachment-large size-large wp-image-33879\" alt=\"\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.08.24-e1642068589653.png 650w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.08.24-e1642068589653-600x396.png 600w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\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-6b6fa04d elementor-widget elementor-widget-spacer\" data-id=\"6b6fa04d\" 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-69d73ee4 elementor-widget elementor-widget-text-editor\" data-id=\"69d73ee4\" 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><strong>Entrer dans la mati\u00e8re et avoir acc\u00e8s \u00e0 toutes les mesures possibles, dans toutes les directions, voil\u00e0 qui est rendu possible par les tomodensitom\u00e8tres.<\/strong><\/p><p style=\"text-align: justify;\"><b>Point sur la m\u00e9thode :<br \/><\/b><\/p><p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Les tomodensitom\u00e8tres sont des scanners g\u00e9ants bien connus dans le contexte m\u00e9dical. Avec une source de rayons X et un r\u00e9cepteur, ces \u00e9quipements cr\u00e9ent l\u2019\u00e9quivalent de centaines de radiographies d&#8217;un objet (un exemple est donn\u00e9 sur la figure 1).\u00a0 Cette technologie est aussi utilis\u00e9e dans l\u2019\u00e9tude <\/span><a href=\"https:\/\/itemm.fr\/itemm\/projet-sysimpa-premiere-analyse-dun-instrument\/\"><span style=\"font-weight: 400;\">\u201cProgramme de Num\u00e9risation et Valorisation du Patrimoine, PNV\u201d<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cd3f0e elementor-widget elementor-widget-image\" data-id=\"4cd3f0e\" 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\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.08.24-391x260.png\" title=\"Capture d\u2019e\u0301cran 2022-01-13 a\u0300 11.08.24\" alt=\"Figure 1 : Quatre images radios brutes \u00e0 diff\u00e9rentes hauteurs utilis\u00e9es pour la reconstruction. Instrument : flageolet fran\u00e7ais anonyme fin XVIIIe si\u00e8cle\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 1 : Quatre images radios brutes \u00e0 diff\u00e9rentes hauteurs utilis\u00e9es pour la reconstruction. Instrument : flageolet fran\u00e7ais anonyme fin XVIIIe si\u00e8cle<\/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<div class=\"elementor-element elementor-element-d98a90d elementor-widget elementor-widget-text-editor\" data-id=\"d98a90d\" 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>Les images sont ensuite trait\u00e9es pour cr\u00e9er des coupes de l\u2019objet \u00e9tudi\u00e9, ce qui donne des tomographies, du grec ancien \u03c4\u03bf\u03bc\u03cc\u03c2, <i><span style=\"font-weight: 400;\">tom\u00f3s<\/span><\/i><span style=\"font-weight: 400;\"> (\u00ab coupure \u00bb). Ces images reconstitu\u00e9es nous donnent une information pr\u00e9cise sur la mati\u00e8re (les cernes d\u2019accroissement du bois, la porosit\u00e9 et la densit\u00e9 du mat\u00e9riau), les\u00a0 endommagements et les r\u00e9parations subis, la g\u00e9om\u00e9trie, etc.<br \/><\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Sur la figure 2, on observe trois coupes suivant trois plans d\u2019un flageolet (petite fl\u00fbte \u00e0 bec) anonyme fran\u00e7ais de la fin du XVIIIe si\u00e8cle, fourni par Philippe BOLTON qui a particip\u00e9 \u00e0 cette \u00e9tude.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d1eff86 elementor-widget elementor-widget-image\" data-id=\"d1eff86\" 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\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.15.37-391x260.png\" title=\"Capture d\u2019e\u0301cran 2022-01-13 a\u0300 11.15.37\" alt=\"Figure 2 : Reconstitution tomographique, vue suivant trois plans au niveau du biseau et du bouchon de l\u2019instrument. On voit aussi les cernes et le fil du bois dans les trois directions.\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 2 : Reconstitution tomographique, vue suivant trois plans au niveau du biseau et du bouchon de l\u2019instrument. On voit aussi les cernes et le fil du bois dans les trois directions.<\/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<div class=\"elementor-element elementor-element-3397777 elementor-widget elementor-widget-text-editor\" data-id=\"3397777\" 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><br \/><\/p><p>Toutes ces coupes permettent ensuite de recr\u00e9er une version virtuelle de l\u2019objet, comme l\u2019objet 3D affich\u00e9e figure 3. Il est alors possible de mesurer n\u2019importe quelle c\u00f4te \u00e0 quelques microns en pr\u00e9cision, y compris pour les endroits inaccessibles ou risquant d&#8217;endommager l\u2019instrument.<\/p>\n<p style=\"text-align: left;\"><span style=\"font-weight: 400;\">De plus, ces mod\u00e8les 3D peuvent \u00eatre utilis\u00e9s pour faire de la conception assist\u00e9e par ordinateur, la fabrication d\u2019al\u00e9soirs pour des copies, du prototypage virtuel ou pour \u00eatre imprim\u00e9es en 3D.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60e162f elementor-widget elementor-widget-image\" data-id=\"60e162f\" 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\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_3-391x260.png\" title=\"FIG_3\" alt=\"Figure 3 : Reconstitution 3D, format .stl du flageolet, apr\u00e8s traitement.\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 3 : Reconstitution 3D, format .stl du flageolet, apr\u00e8s traitement.<\/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<div class=\"elementor-element elementor-element-1ff5087 elementor-widget elementor-widget-text-editor\" data-id=\"1ff5087\" 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 style=\"text-align: justify;\"><span style=\"font-weight: 400;\"><br \/><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Actuellement, pour un instrument de taille \u00e9quivalente au flageolet, il faut compter environ 300 \u20ac pour des mesures compl\u00e8tes comprenant \u00e9galement la partie de traitement des donn\u00e9es permettant de recr\u00e9er l\u2019objet en 3D. Apr\u00e8s cela, un dossier contenant toutes les informations et donn\u00e9es est accessible sur son ordinateur dans un atelier pour prendre toutes les cotes soi-m\u00eame.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Pour un instrument plus grand, comme un violon ou une clarinette, le montant est de l\u2019ordre de 400 \u20ac.<\/span><\/p>\n<p style=\"text-align: justify;\"><b>Retour d\u2019exp\u00e9rience par Philippe BOLTON (facteur de fl\u00fbtes \u00e0 bec), sur l&#8217;utilisation de cette m\u00e9thode sur un Flageolet ancien :<br \/><\/b><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">\u201cLes instruments de musique ont beaucoup \u00e9volu\u00e9 avec le passage du temps. L\u2019interpr\u00e9tation des musiques dites \u201canciennes\u201d demande souvent l\u2019utilisation d\u2019instruments correspondant \u00e0 leur \u00e9poque afin de se rapprocher autant que possible des sonorit\u00e9s et des qualit\u00e9s expressives famili\u00e8res&nbsp; aux oreilles de ceux qui les avaient compos\u00e9es.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Malheureusement, en particulier dans le domaine des vents, peu de ces instruments ont surv\u00e9cu en l\u2019\u00e9tat, et la plupart de ceux qui ont r\u00e9sist\u00e9 \u00e0 l\u2019usure des si\u00e8cles sont devenus fragiles et ne sont plus aptes \u00e0 remplir \u00e0 nouveau leur fonction, d\u2019o\u00f9 l\u2019int\u00e9r\u00eat de pouvoir en faire des copies.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Cela passe le plus souvent par la prise de mesures d\u2019un instrument original afin d\u2019en fabriquer une r\u00e9plique. Tout ne peut pas toujours \u00eatre mesur\u00e9, pour diff\u00e9rentes raisons li\u00e9es soit \u00e0 l\u2019\u00e9tat de l\u2019objet, soit \u00e0 sa configuration, certaines parties \u00e9tant plus ou moins cach\u00e9es.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Le tomodensitom\u00e8tre permet de surmonter ces probl\u00e8mes. Dans le cas du flageolet cit\u00e9 dans cet article, il \u00e9tait impossible d\u2019extraire son bouchon (la pi\u00e8ce qui constitue le plancher de son canal, la fente dans laquelle on souffle) sans risquer de l\u2019endommager s\u00e9rieusement. Lorsque cette pi\u00e8ce est en place, certaines mesures ne peuvent pas \u00eatre prises, notamment la hauteur et l\u2019orientation de ce canal, ainsi que sa position vis-\u00e0-vis du biseau autour duquel oscille la lame d\u2019air pour produire le son.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">S\u2019il est toujours possible d\u2019estimer ces mesures par t\u00e2tonnement&nbsp; lors de la r\u00e9alisation d\u2019un prototype, l&#8217;obtention de mesures pr\u00e9cises par ce moyen non destructif constitue une avanc\u00e9e consid\u00e9rable.\u201d<\/span><\/p><p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Auteurs : Romain VIALA, Philippe BOLTON<br \/><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ee97c2 elementor-widget elementor-widget-image\" data-id=\"4ee97c2\" 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\t\t\t<img decoding=\"async\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.26.33-391x260.png\" title=\"Capture d\u2019e\u0301cran 2022-01-13 a\u0300 11.26.33\" alt=\"Capture d\u2019e\u0301cran 2022-01-13 a\u0300 11.26.33\" loading=\"lazy\" \/>\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-e2c8364 elementor-widget elementor-widget-text-editor\" data-id=\"e2c8364\" 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 style=\"text-align: justify;\"><span style=\"font-weight: 400;\">Voici quelques exemples de mesures prises sur le flageolet en question gr\u00e2ce au tomodensitom\u00e8tre :<\/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-73f269c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"73f269c\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\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-9ac89aa\" data-id=\"9ac89aa\" 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-59479ad elementor-widget elementor-widget-image\" data-id=\"59479ad\" 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=\"351\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21-1024x351.png\" class=\"attachment-large size-large wp-image-33915\" alt=\"\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21-1024x351.png 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21-600x205.png 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21-300x103.png 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21-768x263.png 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/Capture-de\u0301cran-2022-01-13-a\u0300-11.32.21.png 1174w\" 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\">Figure 5 : gauche : hauteur du canal par rapport \u00e0 la perce, droite : la hauteur du bouchon\n<\/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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-dcfa1b4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"dcfa1b4\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\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-7cbf5f6\" data-id=\"7cbf5f6\" 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-0139ada elementor-widget elementor-widget-image\" data-id=\"0139ada\" 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\t<a href=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"FIG_5\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzM5OTEsInVybCI6Imh0dHBzOlwvXC9pdGVtbS5mclwvaXRlbW1cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjJcLzAxXC9GSUdfNS5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"412\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5-1024x412.jpg\" class=\"attachment-large size-large wp-image-33991\" alt=\"\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5-1024x412.jpg 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5-600x241.jpg 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5-300x121.jpg 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5-768x309.jpg 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_5.jpg 1178w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 5bis : gauche : hauteur du biseau, droite : \u00e9paisseur du canal \u00e0 sa sortie<\/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<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-2f45f5b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2f45f5b\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\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-48ca114\" data-id=\"48ca114\" 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-ce1a186 elementor-widget elementor-widget-image\" data-id=\"ce1a186\" 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\t<a href=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_6.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"FIG_6\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzM5OTIsInVybCI6Imh0dHBzOlwvXC9pdGVtbS5mclwvaXRlbW1cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjJcLzAxXC9GSUdfNi5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/elementor\/thumbs\/FIG_6-rfutalb0np2sh4m0uai6iek6ii259qo3tfy7xmgz5s.jpg\" title=\"FIG_6\" alt=\"Figure 6 : La profondeur du chanfrein sup\u00e9rieur, \u00e0 la sortie du canal (assez inaccessible)\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 6 : La profondeur du chanfrein sup\u00e9rieur, \u00e0 la sortie du canal (assez inaccessible)<\/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-f9ceb64\" data-id=\"f9ceb64\" 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-9e672a7 elementor-widget elementor-widget-image\" data-id=\"9e672a7\" 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\t<a href=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"FIG_7\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzM5OTMsInVybCI6Imh0dHBzOlwvXC9pdGVtbS5mclwvaXRlbW1cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjJcLzAxXC9GSUdfNy5qcGcifQ%3D%3D\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"363\" src=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7-1024x363.jpg\" class=\"attachment-large size-large wp-image-33993\" alt=\"\" srcset=\"https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7-1024x363.jpg 1024w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7-600x213.jpg 600w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7-300x106.jpg 300w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7-768x273.jpg 768w, https:\/\/itemm.fr\/itemm\/wp-content\/uploads\/2022\/01\/FIG_7.jpg 1082w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Figure 7 : le diam\u00e8tre int\u00e9rieur d\u2019un trou l\u00e9g\u00e8rement \u201csoucoup\u00e9\u201d ou \u00e9vas\u00e9 vers l\u2019int\u00e9rieur (\u00e9galement inaccessible).<\/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-2485c57 elementor-widget elementor-widget-text-editor\" data-id=\"2485c57\" 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>Le p\u00f4le recherche et innovation remercie Ga\u00ebl BOURBOUZE, du Centre de Ressources Technologiques, CRT de Morlaix qui a r\u00e9alis\u00e9 cette \u00e9tude pour le p\u00f4le Recherche et Innovation et Philippe BOLTON.<\/p><p><span style=\"font-weight: 400;\"><br \/><b>Partenaires :<\/b> Ga\u00ebl BOURBOUZE, CRT Morlaix ; Philippe BOLTON, facteur de fl\u00fbtes \u00e0 bec <a href=\"https:\/\/www.flute-a-bec.com\/index.html\">https:\/\/www.flute-a-bec.com\/index.html<\/a><br \/><\/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-40a6a142 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40a6a142\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\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-3084d859\" data-id=\"3084d859\" 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-ec145f0 elementor-widget elementor-widget-heading\" data-id=\"ec145f0\" data-element_type=\"widget\" data-e-type=\"widget\" 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\">Partager cet article<\/h2>\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-5a5a07da\" data-id=\"5a5a07da\" 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-87213ad elementor-share-buttons--view-icon elementor-share-buttons--skin-flat elementor-share-buttons--color-custom elementor-share-buttons--shape-square elementor-grid-0 elementor-widget elementor-widget-share-buttons\" data-id=\"87213ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur facebook\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-facebook\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur linkedin\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-linkedin\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur twitter\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-twitter\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_email\" role=\"button\" tabindex=\"0\" aria-label=\"Partager sur email\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fas fa-envelope\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\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<div class=\"elementor-element elementor-element-267c6444 elementor-widget elementor-widget-spacer\" data-id=\"267c6444\" 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-32f048ca elementor-widget elementor-widget-heading\" data-id=\"32f048ca\" data-element_type=\"widget\" data-e-type=\"widget\" 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\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>Entrer dans la mati\u00e8re et avoir acc\u00e8s \u00e0 toutes les mesures possibles, dans toutes les directions, voil\u00e0 qui est rendu possible par les tomodensitom\u00e8tres. Point sur la m\u00e9thode : Les tomodensitom\u00e8tres sont des scanners g\u00e9ants bien connus dans le contexte m\u00e9dical. Avec une source de rayons X et un r\u00e9cepteur, ces \u00e9quipements cr\u00e9ent l\u2019\u00e9quivalent de&hellip;<\/p>\n","protected":false},"author":3004,"featured_media":33879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2176,245,2181],"tags":[2750,2749],"class_list":["post-33868","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-conservation-du-patrimoine","category-innovation","category-support-aux-entreprises","tag-radios","tag-rayons-x"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vers de nouvelles m\u00e9thodes de mesure pour les luthiers ? | 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\/vers-de-nouvelles-methodes-de-mesure-pour-les-luthiers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vers de nouvelles m\u00e9thodes de mesure pour les luthiers ? | Itemm -\" \/>\n<meta property=\"og:description\" content=\"Entrer dans la mati\u00e8re et avoir acc\u00e8s \u00e0 toutes les mesures possibles, dans toutes les directions, voil\u00e0 qui est rendu possible par les tomodensitom\u00e8tres. Point sur la m\u00e9thode : Les tomodensitom\u00e8tres sont des scanners g\u00e9ants bien connus dans le contexte m\u00e9dical. 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