{"id":15732,"date":"2026-07-13T16:07:53","date_gmt":"2026-07-13T07:07:53","guid":{"rendered":"https:\/\/rakkokeyword.com\/techo\/?p=15732"},"modified":"2026-07-13T16:07:53","modified_gmt":"2026-07-13T07:07:53","slug":"tool-mp3-ogg","status":"publish","type":"post","link":"https:\/\/rakkokeyword.com\/techo\/tool-mp3-ogg\/","title":{"rendered":"MP3\u2192OGG\u5909\u63db\u30c4\u30fc\u30eb"},"content":{"rendered":"\n<style>\n\/* CSS: \u30c4\u30fc\u30eb\u5168\u4f53\u306e\u8a2d\u5b9a (border\u306a\u3057\u3001100%\u5e45) *\/\n#mp3ogg_wrapper {\n    width: 100%;\n    max-width: 720px;\n    margin: 0 auto;\n    margin-bottom: 40px;\n    font-family: sans-serif;\n    color: #333;\n    line-height: 1.5;\n    box-sizing: border-box;\n}\n.mp3ogg_title {\n    font-size: 1.2rem;\n    font-weight: bold;\n    margin: 0 0 10px 0;\n    color: #000;\n}\n.mp3ogg_desc {\n    font-size: 0.9rem;\n    color: #555;\n    margin: 0 0 20px 0;\n}\n.mp3ogg_drop_area {\n    display: block;\n    border: 2px dashed #999;\n    background-color: #f9f9f9;\n    text-align: center;\n    padding: 40px 10px;\n    cursor: pointer;\n    margin-bottom: 15px;\n    transition: background-color 0.2s;\n    box-sizing: border-box;\n}\n.mp3ogg_drop_area:hover, .mp3ogg_dragover {\n    background-color: #eee;\n}\n.mp3ogg_file_info {\n    display: none;\n    background-color: #eee;\n    padding: 15px;\n    margin-bottom: 15px;\n    border-radius: 4px;\n}\n.mp3ogg_settings {\n    margin-bottom: 20px;\n}\n.mp3ogg_settings_title {\n    font-weight: bold;\n    margin: 0 0 10px 0;\n}\n.mp3ogg_radio_group {\n    display: flex;\n    gap: 15px;\n    flex-wrap: wrap;\n}\n.mp3ogg_radio_label {\n    cursor: pointer;\n    font-size: 0.95rem;\n}\n.mp3ogg_btn {\n    width: 100%;\n    height: 45px;\n    border: none;\n    font-size: 1rem;\n    font-weight: bold;\n    border-radius: 4px;\n    box-sizing: border-box;\n    margin-bottom: 15px;\n    transition: background-color 0.2s, color 0.2s;\n}\n.mp3ogg_btn_primary {\n    background-color: #13284B;\n    color: #fff;\n    cursor: pointer;\n}\n.mp3ogg_btn_primary:hover {\n    background-color: #0d1d36;\n}\n.mp3ogg_btn_disabled {\n    background-color: #999;\n    color: #eee;\n    cursor: not-allowed;\n}\n.mp3ogg_btn_outline {\n    background-color: #fff;\n    color: #333;\n    border: 1px solid #999;\n    cursor: pointer;\n}\n.mp3ogg_btn_outline:hover {\n    background-color: #f0f0f0;\n}\n.mp3ogg_status_area {\n    display: none;\n    text-align: center;\n    margin-bottom: 15px;\n    padding: 20px;\n    background-color: #f0f0f0;\n    border-radius: 4px;\n}\n.mp3ogg_result_area {\n    display: none;\n    background-color: #e8e8e8;\n    padding: 20px;\n    margin-bottom: 15px;\n    text-align: center;\n    border-radius: 4px;\n}\n.mp3ogg_spinner {\n    display: inline-block;\n    width: 18px;\n    height: 18px;\n    border: 3px solid #ccc;\n    border-top-color: #333;\n    border-radius: 50%;\n    animation: mp3ogg_spin 1s linear infinite;\n    vertical-align: middle;\n    margin-right: 8px;\n}\n@keyframes mp3ogg_spin {\n    to { transform: rotate(360deg); }\n}\n.mp3ogg_error_text {\n    color: #d32f2f !important;\n}\n<\/style>\n\n<div id=\"mp3ogg_wrapper\">\n    <p class=\"mp3ogg_desc\">\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30d6\u30e9\u30a6\u30b6\u5185\u3067\u5909\u63db\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u3002\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306f\u884c\u308f\u308c\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u5916\u90e8\u3078\u9001\u4fe1\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n    <!-- \u5165\u529b\u30a8\u30ea\u30a2 -->\n    <div id=\"mp3ogg_input_section\">\n        <label class=\"mp3ogg_drop_area\" id=\"mp3ogg_drop_area\">\n            <p style=\"margin: 0; font-size: 1rem; font-weight: bold; color: #333;\">\u3053\u3053\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u304b\u3001MP3\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7<\/p>\n            <p style=\"margin: 8px 0 0; font-size: 0.85rem; color: #666;\">\uff08\u5bfe\u5fdc\u5f62\u5f0f\uff1aMP3 \/ \u4e0a\u9650\uff1a50MB\uff09<\/p>\n            <input type=\"file\" id=\"mp3ogg_file_input\" accept=\".mp3,audio\/mpeg\" style=\"display: none;\">\n        <\/label>\n\n        <div class=\"mp3ogg_file_info\" id=\"mp3ogg_file_info\">\n            <p style=\"margin: 0; font-weight: bold; font-size: 0.9rem; color: #555;\">\u9078\u629e\u4e2d\u306e\u30d5\u30a1\u30a4\u30eb\uff1a<\/p>\n            <p style=\"margin: 5px 0 0; font-weight: bold; word-break: break-all; font-size: 1.1rem;\" id=\"mp3ogg_file_name_display\"><\/p>\n            <p style=\"margin: 5px 0 0; font-size: 0.9rem; color: #333;\" id=\"mp3ogg_file_size_display\"><\/p>\n        <\/div>\n\n        <div class=\"mp3ogg_settings\">\n            <p class=\"mp3ogg_settings_title\">\u97f3\u8cea\u8a2d\u5b9a<\/p>\n            <div class=\"mp3ogg_radio_group\">\n                <label class=\"mp3ogg_radio_label\"><input type=\"radio\" name=\"mp3ogg_quality\" value=\"6\"> \u9ad8\u97f3\u8cea<\/label>\n                <label class=\"mp3ogg_radio_label\"><input type=\"radio\" name=\"mp3ogg_quality\" value=\"3\" checked> \u6a19\u6e96<\/label>\n                <label class=\"mp3ogg_radio_label\"><input type=\"radio\" name=\"mp3ogg_quality\" value=\"0\"> \u8efd\u91cf<\/label>\n            <\/div>\n        <\/div>\n\n        <button id=\"mp3ogg_convert_btn\" class=\"mp3ogg_btn mp3ogg_btn_disabled\" disabled>\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044<\/button>\n    <\/div>\n\n    <!-- \u30b9\u30c6\u30fc\u30bf\u30b9\u30a8\u30ea\u30a2 -->\n    <div class=\"mp3ogg_status_area\" id=\"mp3ogg_status_area\">\n        <span class=\"mp3ogg_spinner\" id=\"mp3ogg_status_spinner\"><\/span>\n        <span id=\"mp3ogg_status_text\" style=\"font-weight: bold; vertical-align: middle; color: #333;\"><\/span>\n    <\/div>\n\n    <!-- \u5909\u63db\u7d50\u679c\u30a8\u30ea\u30a2 -->\n    <div class=\"mp3ogg_result_area\" id=\"mp3ogg_result_area\">\n        <p id=\"mp3ogg_result_title\" style=\"margin: 0 0 15px; font-size: 1.2rem; font-weight: bold; color: #000;\">\u5909\u63db\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f<\/p>\n        <p style=\"margin: 0 0 5px; font-size: 0.9rem; color: #555;\">\u5909\u63db\u5f8c\u306e\u30d5\u30a1\u30a4\u30eb\u540d\uff1a<\/p>\n        <p id=\"mp3ogg_result_filename\" style=\"margin: 0 0 20px; font-weight: bold; word-break: break-all;\"><\/p>\n        \n        <div style=\"display: flex; justify-content: center; gap: 30px; margin-bottom: 10px;\">\n            <div>\n                <p style=\"margin: 0; font-size: 0.85rem; color: #666;\">\u5909\u63db\u524d (MP3)<\/p>\n                <p id=\"mp3ogg_result_old_size\" style=\"margin: 5px 0 0; font-weight: bold; font-size: 1rem; color: #555;\"><\/p>\n            <\/div>\n            <div>\n                <p style=\"margin: 0; font-size: 0.85rem; color: #666;\">\u5909\u63db\u5f8c (OGG)<\/p>\n                <p id=\"mp3ogg_result_new_size\" style=\"margin: 5px 0 0; font-weight: bold; font-size: 1.2rem; color: #111;\"><\/p>\n            <\/div>\n        <\/div>\n        <p id=\"mp3ogg_result_diff\" style=\"margin: 10px 0 20px; font-weight: bold; font-size: 0.95rem;\"><\/p>\n        \n        <button id=\"mp3ogg_download_btn\" class=\"mp3ogg_btn mp3ogg_btn_primary\">\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/button>\n        <button id=\"mp3ogg_reset_btn\" class=\"mp3ogg_btn mp3ogg_btn_outline\">\u65b0\u3057\u304f\u5909\u63db\u3059\u308b<\/button>\n    <\/div>\n<\/div>\n\n<script src=\"https:\/\/media-api.qcdgv19414.rakkoserver.net\/lib\/wasm-media-encoders\/WasmMediaEncoder.min.js\"><\/script>\n<script>\n\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30c4\u30fc\u30eb\u306f\u3001\u304a\u624b\u6301\u3061\u306eMP3\u30d5\u30a1\u30a4\u30eb\u3092OGG\u30d5\u30a1\u30a4\u30eb\u3078\u5b89\u5168\u304b\u3064\u9ad8\u901f\u306b\u5909\u63db\u3067\u304d\u308b\u7121\u6599\u306e\u30d6\u30e9\u30a6\u30b6\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u306f\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3078\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u60c5\u5831\u6f0f\u6d29\u306e\u5fc3\u914d\u306a\u304f\u3059\u3050\u306b\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-0\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u3067\u304d\u308b\u3053\u3068<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b8c\u5168\u30ed\u30fc\u30ab\u30eb\u3067\u306e\u9ad8\u901f\u5909\u63db<\/strong> <br>\u304a\u624b\u5143\u306e\u30d6\u30e9\u30a6\u30b6\uff08\u30d1\u30bd\u30b3\u30f3\u30fb\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u5185\uff09\u3060\u3051\u3067\u51e6\u7406\u304c\u5b8c\u7d50\u3059\u308b\u305f\u3081\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u5f85\u3061\u6642\u9593\u304c\u306a\u304f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u3082\u5b89\u5168\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>3\u6bb5\u968e\u306e\u97f3\u8cea\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong> <br>\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u300c\u9ad8\u97f3\u8cea\u300d\u300c\u6a19\u6e96\u300d\u300c\u8efd\u91cf\u300d\u304b\u3089\u51fa\u529b\u54c1\u8cea\u3092\u7c21\u5358\u306b\u9078\u629e\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306e\u6bd4\u8f03\u78ba\u8a8d<\/strong> <br>\u5909\u63db\u5b8c\u4e86\u5f8c\u3001MP3\u3068OGG\u306e\u5bb9\u91cf\u3092\u6bd4\u8f03\u3057\u3001\u3069\u308c\u304f\u3089\u3044\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u524a\u6e1b\u3055\u308c\u305f\u304b\uff08\u307e\u305f\u306f\u5897\u6e1b\u3057\u305f\u304b\uff09\u3092\u3072\u3068\u76ee\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">\u30c4\u30fc\u30eb\u306e\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u306e\u9078\u629e<\/strong> <br>\u300c\u3053\u3053\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u304b\u3001MP3\u30d5\u30a1\u30a4\u30eb\u3092\u30c9\u30e9\u30c3\u30b0\uff06\u30c9\u30ed\u30c3\u30d7\u300d\u3068\u66f8\u304b\u308c\u305f\u67a0\u5185\u306b\u3001\u5909\u63db\u3057\u305f\u3044MP3\u30d5\u30a1\u30a4\u30eb\u3092\u5165\u308c\u307e\u3059\u3002\uff08\u203b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u4e0a\u9650\u306f50MB\u3067\u3059\uff09<\/li>\n\n\n\n<li><strong>\u97f3\u8cea\u306e\u8a2d\u5b9a<\/strong> <br>\u300c\u9ad8\u97f3\u8cea\u300d\u300c\u6a19\u6e96\u300d\u300c\u8efd\u91cf\u300d\u306e\u4e2d\u304b\u3089\u3001\u5e0c\u671b\u3059\u308b\u97f3\u8cea\u3092\u9078\u3073\u307e\u3059\u3002\u8ff7\u3063\u305f\u5834\u5408\u306f\u300c\u6a19\u6e96\u300d\u306e\u307e\u307e\u3067\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u5909\u63db\u306e\u5b9f\u884c<\/strong> <br>\u300c\u5909\u63db\u3092\u958b\u59cb\u3059\u308b\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u5185\u3067\u306e\u51e6\u7406\u304c\u59cb\u307e\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/strong><br> \u5909\u63db\u304c\u5b8c\u4e86\u3059\u308b\u3068\u7d50\u679c\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u300d\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u3001\u751f\u6210\u3055\u308c\u305fOGG\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7d9a\u3051\u3066\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u63db\u3059\u308b\u5834\u5408\u306f\u300c\u65b0\u3057\u304f\u5909\u63db\u3059\u308b\u300d\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-2\">\u3053\u306e\u30c4\u30fc\u30eb\u3067\u53d6\u5f97\u3059\u308b\u60c5\u5831\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5909\u63db\u5143\u306e\u300cMP3\u300d\u3068\u5909\u63db\u5148\u306e\u300cOGG\u300d\u306f\u3001\u3069\u3061\u3089\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u97f3\u58f0\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3067\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u306b\u7570\u306a\u308b\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MP3\uff08MPEG-1 Audio Layer-3\uff09<\/strong> <br>\u4e16\u754c\u4e2d\u3067\u6700\u3082\u666e\u53ca\u3057\u3066\u3044\u308b\u97f3\u58f0\u5f62\u5f0f\u3067\u3059\u3002\u307b\u307c\u3059\u3079\u3066\u306e\u30c7\u30d0\u30a4\u30b9\u3084\u30bd\u30d5\u30c8\u3067\u518d\u751f\u3067\u304d\u308b\u6c4e\u7528\u6027\u306e\u9ad8\u3055\u304c\u9b45\u529b\u3067\u3059\u304c\u3001\u69cb\u9020\u4e0a\u3001\u66f2\u306e\u6700\u521d\u3068\u6700\u5f8c\u306b\u308f\u305a\u304b\u306a\u300c\u7121\u97f3\u300d\u304c\u751f\u307e\u308c\u3084\u3059\u3044\u3068\u3044\u3046\u7279\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>OGG\uff08Ogg Vorbis\uff09<\/strong><br> MP3\u3088\u308a\u3082\u65b0\u3057\u3044\u6280\u8853\u3067\u4f5c\u3089\u308c\u305f\u97f3\u58f0\u5f62\u5f0f\u3067\u3059\u3002\u540c\u3058\u97f3\u8cea\u3067\u3082MP3\u3088\u308a\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u6291\u3048\u3084\u3059\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u5927\u306e\u5f37\u307f\u306f\u3001\u66f2\u306e\u30eb\u30fc\u30d7\uff08\u7e70\u308a\u8fd4\u3057\uff09\u518d\u751f\u6642\u306b\u7d99\u304e\u76ee\u306e\u300c\u7121\u97f3\u300d\u304c\u767a\u751f\u3057\u306a\u3044\u70b9\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u3053\u306e\u30c4\u30fc\u30eb\u304c\u5f79\u7acb\u3064\u3068\u304d\u306f\u3069\u3093\u306a\u3068\u304d\uff1f \u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u30c4\u30fc\u30eb\u306f\u3001\u7279\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u6d3b\u8e8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b2\u30fc\u30e0\u5236\u4f5c\u3067\u306eBGM\u30fb\u52b9\u679c\u97f3\u306e\u6e96\u5099<\/strong><br> \u300cRPG\u30c4\u30af\u30fc\u30eb\u300d\u3084\u300cUnity\u300d\u306a\u3069\u306e\u30b2\u30fc\u30e0\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001BGM\u3092\u7dba\u9e97\u306b\u30eb\u30fc\u30d7\u3055\u305b\u308b\u305f\u3081\u306bOGG\u5f62\u5f0f\u304c\u6a19\u6e96\u7684\u306b\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30ea\u30fc\u306eMP3\u7d20\u6750\u3092\u30b2\u30fc\u30e0\u306b\u7d44\u307f\u8fbc\u307f\u305f\u3044\u6642\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>Web\u30b5\u30a4\u30c8\u3078\u306e\u97f3\u58f0\u57cb\u3081\u8fbc\u307f<\/strong><br> HTML5\u306e <code>&lt;audio&gt;<\/code> 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