{"id":8026,"date":"2018-12-02T17:30:00","date_gmt":"2018-12-02T15:30:00","guid":{"rendered":"https:\/\/felusch.steffen-ermisch.de\/?p=8026"},"modified":"2026-07-03T12:28:20","modified_gmt":"2026-07-03T10:28:20","slug":"uebungen-zur-parametrierung-von-beschallungsanlagen-mittels-fft-basierter-audio-analyse-software","status":"publish","type":"post","link":"https:\/\/felusch.de\/en\/uebungen-zur-parametrierung-von-beschallungsanlagen-mittels-fft-basierter-audio-analyse-software\/","title":{"rendered":"Exercises for parameterization of public address systems using FFT-based audio analysis software"},"content":{"rendered":"<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-98022ae6 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-ermisch-block-flex-block flex-block has-ermisch-dimensions has-ermisch-spacing has-ermisch-borders has-ermisch-flexbox is-layout-flow wp-block-ermisch-block-flex-block-is-layout-flow\" data-style-id=\"flex-e861d01f\">\n<figure class=\"wp-block-ermisch-block-ermisch-image ermisch-image-block img-full-height\" data-style-id=\"ermisch-image-block-430f4f86\"><img src=\"https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1.jpg\" alt=\"\" srcset=\"https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-300x158.jpg 300w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-1024x538.jpg 1024w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-150x150.jpg 150w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-768x403.jpg 768w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-1536x806.jpg 1536w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-2048x1075.jpg 2048w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-18x9.jpg 18w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-500x263.jpg 500w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-800x420.jpg 800w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-1280x672.jpg 1280w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-1920x1008.jpg 1920w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-500x263.jpg 500w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-800x420.jpg 800w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1-1920x1008.jpg 1920w, https:\/\/felusch.de\/wp-content\/uploads\/2018\/12\/cropped-Header_2026-scaled-1.jpg 2560w\" sizes=\"(min-width: 1024px) 100vw, (min-width: 640px) 100vw, 100vw\" loading=\"lazy\" decoding=\"async\" fetchpriority=\"auto\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-95e1e593 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--md-48-r);margin-bottom:var(--wp--preset--spacing--md-48-r)\">\n<p class=\"wp-block-paragraph\">Sound engineers use two-channel FFT-based audio analysis software to measure sound systems. The development of experience in the field requires years of practice in a short production time. The exercises documented here aim to shift this valuable production time without requiring a sound system. The user should get to know and practice his measurement software, the collected data and the basic work steps for parameterization of sound systems better.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>MATERIAL REQUIREMENTS<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A two-channel FFT Analyzer measuring software for the computer.<\/li>\n\n\n\n<li>A DAW software.<\/li>\n\n\n\n<li>A signal routing solution between FFT Analyzer Software and DAW Software.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">For the preconfigured and documented exercises, an Apple Macintosh computer with Apple Logic X DAW software, Audinate Dante Via software and the reader's preferred two-channel FFT measurement software is required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The reader is expressly encouraged to use their own preferred DAW software and to be inspired by the videos to create their own exercises.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A demonstration of the setup takes place via a two-part video. The setup itself and a corresponding documentation with step-by-step instructions can be obtained below for a small donation.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-95e1e593 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--md-48-r);margin-bottom:var(--wp--preset--spacing--md-48-r)\">\n<h4 class=\"wp-block-heading\">Part 1<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polarity vs. phase<\/li>\n\n\n\n<li>Comb filter<\/li>\n\n\n\n<li>coherence<\/li>\n\n\n\n<li>Smoothing &amp; Averaging<\/li>\n\n\n\n<li>Top\/sub alignment<\/li>\n<\/ul>\n\n\n<div class=\"ermisch-youtube-block-wrapper wp-block-ermisch-block-youtube-block is-layout-flow wp-block-ermisch-block-youtube-block-is-layout-flow\" id=\"wp-block-6a8d30dd9c235\" data-style-id=\"tab-block-99914b93\">\n    <div id=\"ma-gdpr-youtube-yUue3-SwdOY-6a8d30dd9bfb6\" data-video-id=\"yUue3-SwdOY\" class=\"ma-gdpr-youtube-wrapper\" \n\t\t\t\t\t\t\t\t\tstyle=\"--_width:100%;--_height:56.25%;--_aspect-ratio:16\/9;\" \n\t\t\t\t\t\t\t\t\tdata-new-window=\"\" data-yt-parameters=\"\"\n\t\t\t\t\t\t\t\t\titemscope itemtype=\"http:\/\/schema.org\/VideoObject\"\n\t\t\t\t\t\t\t\t\t><meta itemprop=\"name\" content=\"\u00dcbungen f\u00fcr FFT basierte Audio Analyse Software - Teil 1\"\/>\n<meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/yUue3-SwdOY\/maxresdefault.jpg\"\/>\n<meta itemprop=\"uploadDate\" content=\"2018-12-02T07:44:00-08:00\"\/>\n<meta itemprop=\"contentUrl\" content=\"https:\/\/www.youtube.com\/watch?v=yUue3-SwdOY\"\/>\n<meta itemprop=\"description\" content=\"###################################English version:   https:\/\/youtu.be\/lfGdEG3P068###################################Tontechniker benutzen zweikanalige FFT b...\"\/>\n<meta itemprop=\"duration\" content=\"PT22M58S\"\/>\n<meta itemprop=\"genre\" content=\"Education\"\/>\n<div itemprop=\"author\" itemscope itemtype=\"http:\/\/schema.org\/Person\"><meta itemprop=\"name\" content=\"Bodo Felusch | Training\"\/><meta itemprop=\"url\" content=\"http:\/\/www.youtube.com\/@bodofelusch\"\/><\/div><picture class=\"ma-gdpr-youtube-thumbnail\" onclick=\"ma_gdpr_youtube.click(this)\"> <source media=\"(min-width:640px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_hq720.webp\" width=\"1280\" height=\"720\"><source media=\"(min-width:640px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_hq720.jpg\" width=\"1280\" height=\"720\"><source media=\"(min-width:320px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_sddefault.webp\" width=\"640\" height=\"480\"><source media=\"(min-width:320px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_sddefault.jpg\" width=\"640\" height=\"480\"><source media=\"(min-width:240px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_hqdefault.webp\" width=\"480\" height=\"360\"><source media=\"(min-width:240px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_hqdefault.jpg\" width=\"480\" height=\"360\"> <img decoding=\"async\" src=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/yUue3-SwdOY\/yUue3-SwdOY_mqdefault.jpg\" alt=\"\" title=\"\" width=\"320\" height=\"180\" loading=\"lazy\"><\/picture><svg class=\"ma-gdpr-youtube-button button-youtube\"  tabindex=\"0\" role=\"button\" aria-label=\"play video\" onclick=\"ma_gdpr_youtube.click(this)\"><use xlink:href=\"#ma-gdpr-youtube-play-button-youtube\"><\/use><\/svg><div class=\"ma-gdpr-youtube-notice\" style=\" \">When clicked, this video is loaded from YouTube servers. See our <a class=\"privacy-policy-link\" href=\"https:\/\/felusch.de\/en\/datenschutzerklaerung\/\" rel=\"privacy-policy\">privacy policy<\/a> for details.<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-95e1e593 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--md-48-r);margin-bottom:var(--wp--preset--spacing--md-48-r)\">\n<h4 class=\"wp-block-heading\">Part 2<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Top\/Sub Alignment with overlapping cut-off frequencies<\/li>\n\n\n\n<li>Live impulse response<\/li>\n\n\n\n<li>transients<\/li>\n\n\n\n<li>Endfired subwoofer<\/li>\n\n\n\n<li>Cardioid subwoofer<\/li>\n\n\n\n<li>Delayfinder and Subwoofer<\/li>\n\n\n\n<li>IIR vs. FIR impulse response<\/li>\n<\/ul>\n\n\n<div class=\"ermisch-youtube-block-wrapper wp-block-ermisch-block-youtube-block is-layout-flow wp-block-ermisch-block-youtube-block-is-layout-flow\" id=\"wp-block-6a8d30dd9c815\" data-style-id=\"tab-block-99914b93\">\n    <div id=\"ma-gdpr-youtube-j8Q2I2zUi_Y-6a8d30dd9c635\" data-video-id=\"j8Q2I2zUi_Y\" class=\"ma-gdpr-youtube-wrapper\" \n\t\t\t\t\t\t\t\t\tstyle=\"--_width:100%;--_height:56.25%;--_aspect-ratio:16\/9;\" \n\t\t\t\t\t\t\t\t\tdata-new-window=\"\" data-yt-parameters=\"\"\n\t\t\t\t\t\t\t\t\titemscope itemtype=\"http:\/\/schema.org\/VideoObject\"\n\t\t\t\t\t\t\t\t\t><meta itemprop=\"name\" content=\"\u00dcbungen f\u00fcr FFT basierte Audio Analyse Software - Teil 2\"\/>\n<meta itemprop=\"thumbnailUrl\" content=\"https:\/\/i.ytimg.com\/vi\/j8Q2I2zUi_Y\/maxresdefault.jpg\"\/>\n<meta itemprop=\"uploadDate\" content=\"2018-12-02T07:44:18-08:00\"\/>\n<meta itemprop=\"contentUrl\" content=\"https:\/\/www.youtube.com\/watch?v=j8Q2I2zUi_Y\"\/>\n<meta itemprop=\"description\" content=\"###################################English version:   https:\/\/youtu.be\/Ok5FUfTR5zo###################################Tontechniker benutzen zweikanalige FFT b...\"\/>\n<meta itemprop=\"duration\" content=\"PT22M47S\"\/>\n<meta itemprop=\"genre\" content=\"Education\"\/>\n<div itemprop=\"author\" itemscope itemtype=\"http:\/\/schema.org\/Person\"><meta itemprop=\"name\" content=\"Bodo Felusch | Training\"\/><meta itemprop=\"url\" content=\"http:\/\/www.youtube.com\/@bodofelusch\"\/><\/div><picture class=\"ma-gdpr-youtube-thumbnail\" onclick=\"ma_gdpr_youtube.click(this)\"> <source media=\"(min-width:640px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_hq720.webp\" width=\"1280\" height=\"720\"><source media=\"(min-width:640px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_hq720.jpg\" width=\"1280\" height=\"720\"><source media=\"(min-width:320px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_sddefault.webp\" width=\"640\" height=\"480\"><source media=\"(min-width:320px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_sddefault.jpg\" width=\"640\" height=\"480\"><source media=\"(min-width:240px)\" type=\"image\/webp\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_hqdefault.webp\" width=\"480\" height=\"360\"><source media=\"(min-width:240px)\" type=\"image\/jpeg\" srcset=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_hqdefault.jpg\" width=\"480\" height=\"360\"> <img decoding=\"async\" src=\"\/\/felusch.de\/wp-content\/uploads\/ma-gdpr-youtube\/j8Q2I2zUi_Y\/j8Q2I2zUi_Y_mqdefault.jpg\" alt=\"\" title=\"\" width=\"320\" height=\"180\" loading=\"lazy\"><\/picture><svg class=\"ma-gdpr-youtube-button button-youtube\"  tabindex=\"0\" role=\"button\" aria-label=\"play video\" onclick=\"ma_gdpr_youtube.click(this)\"><use xlink:href=\"#ma-gdpr-youtube-play-button-youtube\"><\/use><\/svg><div class=\"ma-gdpr-youtube-notice\" style=\" \">When clicked, this video is loaded from YouTube servers. See our <a class=\"privacy-policy-link\" href=\"https:\/\/felusch.de\/en\/datenschutzerklaerung\/\" rel=\"privacy-policy\">privacy policy<\/a> for details.<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-container-core-group-is-layout-95e1e593 wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--md-48-r);margin-bottom:var(--wp--preset--spacing--md-48-r)\">\n<h4 class=\"wp-block-heading\">Download<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">There are many hours of work in this setup and documentation. With the Paypal donation, the user shows his respect for this work and will perform his own system measurements even better in the future. This added value is here for the price of a CD and because I'm so nice I put some of my own music on top, then the setup is almost free.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Here's the deal:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Buy System Tuning Setup<\/li>\n\n\n\n<li>Choosing music:&nbsp;<a href=\"https:\/\/bodofelusch.bandcamp.com\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/bodofelusch.bandcamp.com<\/a><\/li>\n\n\n\n<li>Bandcamp Discount Code (95%) is attached as a text file to the system tuning setup<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">What do I get?<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">THE ULTIMATE SYSTEM TUNING HOMEWORK<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Content:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PDF Documentation - German version<\/li>\n\n\n\n<li>Apple Logic X Setup - English Version<\/li>\n\n\n\n<li>Apple Logic X Setup - German Version<\/li>\n\n\n\n<li>PDF Documentation - English Version<\/li>\n<\/ul>\n\n\n<section class='__wpdm_gb_section __wpdm_gb_package'><div class='w3eden'><!-- WPDM Link Template: Default Template -->\n<!--\n  FELUSCH OVERRIDE of: download-manager\/src\/Package\/views\/link-templates\/link-template-default.php\n  (loaded theme-first via Template::locate). Plugin template byte-identical 3.3.58 -> 3.3.66 (NOT stale).\n  Custom Felusch design (custom classes\/markup), NOT a copy of the plugin markup \u2014 do NOT rebase by copying the plugin file over it.\n  Depends on plugin tokens (verify after a plugin update): <img decoding=\"async\" class=\"wpdm_icon\" alt=\"Icon\"   src=\"https:\/\/felusch.de\/wp-content\/uploads\/download-icons\/phosphor_zip-secondary.png\" \/> Bodo Felusch - System Tuning Exercises 1 file(s) 2.2 MB <form method=\"post\" action=\"\" name=\"cart_form\" class=\"wpdm_cart_form wpdm_cart_form_3587\"\n  id=\"wpdm_cart_form_3587\">\n  <input type=\"hidden\" name=\"addtocart\" value=\"3587\">\n  <input type=\"hidden\" name=\"files\" id=\"files_3587\" class=\"files_3587\"\n    value=\"\">\n  <div class=\"custom-pwyw-container\">\n    <label for=\"iwantopay\">Lege deinen Preis fest (mindestens 9.99\u20ac):<\/label>\n    <div class=\"price-and-button\"> <input name=\"iwantopay\" type=\"number\"\n        placeholder=\"9.99\" step=\"0.01\"\n        min=\"9.99\" value=\"9.99\"\n        class=\"form-control custom-price-input\">\n      <div class=\"add-to-cart-button\">\n            <button class=\"btn btn-primary  btn-addtocart btn-addtocart-3587\"\n            data-cart-redirect=\"on\"\n            type=\"submit\" >Mit Paypal kaufen <span\n                class=\"price-3587 label label-price\"><\/span><\/button>\n          <\/div>\n    <\/div>\n  <\/div>\n  <\/form>\n\n-->\n\n<div class=\"felusch-download-card\">\n    <div class=\"felusch-download-card-body\">\n        <div class=\"felusch-download-card-media\">\n            <div class=\"felusch-download-card-icon\"><img decoding=\"async\" class=\"wpdm_icon\" alt=\"icon\"   src=\"https:\/\/felusch.de\/wp-content\/uploads\/download-icons\/phosphor_zip-secondary.png\" \/><\/div>\n            <div class=\"felusch-download-card-title-and-meta\">\n                <h3 class=\"felusch-download-card-title\">Bodo Felusch \u2013 System Tuning Exercises<\/h3>\n                <div class=\"felusch-download-card-meta\">\n                    <div class=\"felusch-download-card-meta-entry\">\n                        <div style=\"display: flex; align-items: center;\">\n                            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"22\" fill=\"#7C7C7C\" viewbox=\"0 0 256 256\">\n                                <path d=\"M210.83,69.17l-40-40A4,4,0,0,0,168,28H88A12,12,0,0,0,76,40V60H56A12,12,0,0,0,44,72V216a12,12,0,0,0,12,12H168a12,12,0,0,0,12-12V196h20a12,12,0,0,0,12-12V72A4,4,0,0,0,210.83,69.17ZM172,216a4,4,0,0,1-4,4H56a4,4,0,0,1-4-4V72a4,4,0,0,1,4-4h78.34L172,105.66Zm32-32a4,4,0,0,1-4,4H180V104a4,4,0,0,0-1.17-2.83l-40-40A4,4,0,0,0,136,60H84V40a4,4,0,0,1,4-4h78.34L204,73.66Zm-64-32a4,4,0,0,1-4,4H88a4,4,0,0,1,0-8h48A4,4,0,0,1,140,152Zm0,32a4,4,0,0,1-4,4H88a4,4,0,0,1,0-8h48A4,4,0,0,1,140,184Z\"><\/path>\n                            <\/svg>\n\n                        <\/div>\n                        1 file(s)\n                    <\/div>\n\n                    <div class=\"felusch-download-card-meta-entry\">\n                        <div style=\"display: flex; align-items: center;\">\n                            <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"22\" height=\"22\" fill=\"#7C7C7C\" viewbox=\"0 0 256 256\">\n                                <path d=\"M236,136v64a12,12,0,0,1-12,12H32a12,12,0,0,1-12-12V136a12,12,0,0,1,12-12H72a4,4,0,0,1,0,8H32a4,4,0,0,0-4,4v64a4,4,0,0,0,4,4H224a4,4,0,0,0,4-4V136a4,4,0,0,0-4-4H184a4,4,0,0,1,0-8h40A12,12,0,0,1,236,136Zm-110.83-5.17a4,4,0,0,0,5.66,0l48-48a4,4,0,1,0-5.66-5.66L132,118.34V24a4,4,0,0,0-8,0v94.34L82.83,77.17a4,4,0,0,0-5.66,5.66ZM196,168a8,8,0,1,0-8,8A8,8,0,0,0,196,168Z\"><\/path>\n                            <\/svg>\n                        <\/div> 2.2 MB\n                    <\/div>\n\n                <\/div>\n            <\/div>\n        <\/div>\n        <div class=\"felusch-download-card-link\">\n            <form method=\"post\" action=\"\" name=\"cart_form\" class=\"wpdm_cart_form wpdm_cart_form_3587\"\n  id=\"wpdm_cart_form_3587\" data-etm-original-action=\"\">\n  <input type=\"hidden\" name=\"addtocart\" value=\"3587\">\n  <input type=\"hidden\" name=\"files\" id=\"files_3587\" class=\"files_3587\"\n    value=\"\">\n  <div class=\"custom-pwyw-container\">\n    <label for=\"iwantopay\">Set your price (minimum 9.99\u20ac):<\/label>\n    <div class=\"price-and-button\"> <input name=\"iwantopay\" type=\"number\"\n        placeholder=\"9.99\" step=\"0.01\"\n        min=\"9.99\" value=\"9.99\"\n        class=\"form-control custom-price-input\">\n      <div class=\"add-to-cart-button\">\n            <button class=\"btn btn-primary  btn-addtocart btn-addtocart-3587\"\n            data-cart-redirect=\"on\"\n            type=\"submit\" >Buy with Paypal <span\n                class=\"price-3587 label label-price\"><\/span><\/button>\n          <\/div>\n    <\/div>\n  <\/div>\n  <input type=\"hidden\" name=\"etm-form-language\" value=\"en\"\/><\/form>\n\n        <\/div>\n\n    <\/div>\n<\/div><\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"<p>Sound engineers use two-channel FFT-based audio analysis software to measure sound systems. The development of experience in the field requires years of practice in a short production time. The exercises documented here aim to shift this valuable production time without requiring a sound system. The user should use his measurement software, the collected data and the basic [...]<\/p>","protected":false},"author":5,"featured_media":9553,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_glsr_average":0,"_glsr_ranking":0,"_glsr_reviews":0,"_vp_format_video_url":"","_vp_image_focal_point":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-8026","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nicht-kategorisiert"],"_links":{"self":[{"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/posts\/8026","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/comments?post=8026"}],"version-history":[{"count":9,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/posts\/8026\/revisions"}],"predecessor-version":[{"id":10348,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/posts\/8026\/revisions\/10348"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/media\/9553"}],"wp:attachment":[{"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/media?parent=8026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/categories?post=8026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/felusch.de\/en\/wp-json\/wp\/v2\/tags?post=8026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}