{"id":8877,"date":"2022-05-12T06:18:55","date_gmt":"2022-05-12T06:18:55","guid":{"rendered":"https:\/\/www.fambach.net\/?p=8877"},"modified":"2026-10-15T19:24:47","modified_gmt":"2026-10-15T19:24:47","slug":"preview-omidirectionales-i%c2%b2c-mikrofon","status":"publish","type":"post","link":"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/","title":{"rendered":"Preview \u2013 Omnidirectional I\u00b2C Microphone"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Contents\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/#Beschreibung\" >Description<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/#Lizenz\" >Licence<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/#Verwandte_Beitrage\" >Related Posts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/#Quellen\" >Sources<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">\u00a0INMP441, wenn man den Angaben glauben kann, hochpr\u00e4zises Mikrofon f\u00fcr den I\u00b2C Bus. F\u00fcr rund 3\u20ac auf den einschl\u00e4gigen Plattformen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Was ist ein Preview?<\/strong> Hier zeige ich kurz Hardware, die ich entdeckt, aber noch nicht genauer angeschaut habe. So behalte ich den \u00dcberblick und ihr seht schon vorab, was kommt. Sobald ich dazu komme, ersetzt ein ausf\u00fchrlicher Beitrag das Preview. Was zuerst dran ist, bestimmen eure Kommentare oder meine Lust und Zeit ;).<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"363\" data-id=\"8880\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_13.jpg\" alt=\"\" class=\"wp-image-8880\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_13.jpg 598w, https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_13-300x182.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_13-18x12.jpg 18w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"431\" data-id=\"8879\" src=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_04.jpg\" alt=\"\" class=\"wp-image-8879\" srcset=\"https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_04.jpg 602w, https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_04-300x215.jpg 300w, https:\/\/www.fambach.net\/wp-content\/uploads\/2022-05-12-08_19_04-18x12.jpg 18w\" sizes=\"auto, (max-width: 599px) calc(100vw - 50px), (max-width: 767px) calc(100vw - 70px), (max-width: 991px) 429px, (max-width: 1199px) 637px, 354px\"><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"beschreibung\"><span class=\"ez-toc-section\" id=\"Beschreibung\"><\/span>Description<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Digitales I2S Interface mit hoher Pr\u00e4zision 24-Bit Daten<\/li><li>hohes Signal-Rausch-Verh\u00e4ltnis ist 61 dBA<\/li><li>hohe Empfindlichkeit -26 dBFS4. <\/li><li>stabile Frequenzantwort von 60Hz bis 15 kHz5. <\/li><li>Niedriger Stromverbrauch 1,4 mA<\/li><li>hohe PSR: -75 dBFS<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\" id=\"wpls-table-1\"><thead><tr><th>ESP32<\/th><th>Mic<\/th><\/tr><\/thead><tbody><tr><td>GPIO14<\/td><td>SCK<\/td><\/tr><tr><td>GPIO32<\/td><td>SD<\/td><\/tr><tr><td>GPIO15<\/td><td>WS<\/td><\/tr><tr><td>L\/R<\/td><td>Ground<\/td><\/tr><tr><td>Ground<\/td><td>Ground<\/td><\/tr><tr><td>VDD 3,3<\/td><td>VDD<\/td><\/tr><\/tbody><\/table><figcaption>Omnidirectionales I\u00b2C Mikrofon \u2013 Verbindungsvorschlag f\u00fcr ESP32<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"lizenz\"><span class=\"ez-toc-section\" id=\"Lizenz\"><\/span>Licence<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Stand 10.10.2026; kommerzielles Produkt, keine offene Lizenz bekannt.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Hardware:<\/strong> kommerzielles Modul (Handelsware), keine offene Lizenz angegeben<\/li>\n\n\n\n<li><strong>Software\/Firmware:<\/strong> Beispielcode und Bibliotheken unter der Lizenz ihrer Autoren (siehe Quellen)<\/li>\n\n\n\n<li><strong>Marken:<\/strong> Genannte Marken- und Produktnamen geh\u00f6ren ihren jeweiligen Inhabern.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"verwandte-beitraege\"><span class=\"ez-toc-section\" id=\"Verwandte_Beitrage\"><\/span>Related Posts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul class=\"ub-related-posts wp-block-wp-usefull-blocks-ub-related-posts\">\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-es1868-isa8-soundkarte\/\">Preview \u2013 ES1868 ISA8 Soundkarte<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--unknown ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-lenovo-ultrabay-dvd-rom\/\">Preview \u2013 Lenovo Ultrabay Enhanced DVD-ROM (Slimline)<\/a><span class=\"ub-status ub-status--unknown\" title=\"Link status: Unknown\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: Unknown<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" 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class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-multitech-fca\/\">Preview \u2013 Multitech FCA PB85020-2<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-copam-b-415\/\">Preview \u2013 Copam B-415 Hercules-Karte<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-isa16-ssd-controller\/\">Preview \u2013 16-Bit ISA SSD-Controller (isa16_ssd_controller)<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t<li class=\"ub-related-posts__item\">\n\t\t\t\t\t\t<span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a class=\"ub-related-posts__title ub-content-link__anchor\" href=\"https:\/\/www.fambach.net\/en\/preview-isa8-ssd-controller\/\">Preview \u2013 8-Bit ISA SSD-Controller (isa8_ssd_controller)<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"quellen\"><span class=\"ez-toc-section\" id=\"Quellen\"><\/span>Sources<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/de.aliexpress.com\/item\/1005003731910222.html?spm=a2g0o.order_detail.0.0.7f966368zCaibx&amp;gatewayAdapt=glo2deu\" class=\"ub-content-link__anchor\">https:\/\/de.aliexpress.com\/item\/1005003731910222.html?spm=a2g0o.order_detail.0.0.7f966368zCaibx&amp;gatewayAdapt=glo2deu<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"ub-content-link ub-content-link--ok ub-content-link--status-after\"><a href=\"https:\/\/github.com\/vitzaoral\/ESP32-INMP441\" class=\"ub-content-link__anchor\">https:\/\/github.com\/vitzaoral\/ESP32-INMP441<\/a><span class=\"ub-status ub-status--ok\" title=\"Link status: OK\"><span class=\"ub-status__icon\" aria-hidden=\"true\">\u25cf<\/span><span class=\"screen-reader-text\">Link status: OK<\/span><\/span><\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>\u00a0INMP441, wenn man den Angaben glauben kann, hochpr\u00e4zises Mikrofon f\u00fcr den I\u00b2C Bus. F\u00fcr rund 3\u20ac auf den einschl\u00e4gigen Plattformen. Beschreibung Digitales I2S Interface mit hoher Pr\u00e4zision 24-Bit Daten hohes Signal-Rausch-Verh\u00e4ltnis ist 61 dBA hohe Empfindlichkeit -26 dBFS4. stabile Frequenzantwort von 60Hz bis 15 kHz5. Niedriger Stromverbrauch 1,4 mA hohe PSR: -75 dBFS ESP32 Mic &#8230;<\/p>\n<a href=\"https:\/\/www.fambach.net\/en\/preview-omidirectionales-i%c2%b2c-mikrofon\/\" class=\"read-more-link\">Carry on reading <span class=\"screen-reader-text\">\"Preview &#8211; Omnidirectionales I\u00b2C Mikrofon\"<\/span> <span class=\"meta-nav\">\u2192<\/span><\/a>","protected":false},"author":1,"featured_media":8881,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"no","footnotes":""},"categories":[228,652,625],"tags":[655,148,617,654,653],"class_list":["post-8877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-akustik","category-mikrofon","category-preview","tag-akkustik","tag-esp32","tag-ic","tag-mikrofon","tag-mikrophon","penguin-post","penguin-post-not-sticky"],"modified_by":"sfambach","_links":{"self":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/8877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/comments?post=8877"}],"version-history":[{"count":11,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/8877\/revisions"}],"predecessor-version":[{"id":19605,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/posts\/8877\/revisions\/19605"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media\/8881"}],"wp:attachment":[{"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/media?parent=8877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/categories?post=8877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fambach.net\/en\/wp-json\/wp\/v2\/tags?post=8877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}