{"id":20673,"date":"2026-09-27T19:54:00","date_gmt":"2026-09-27T09:54:00","guid":{"rendered":"https:\/\/geoffreychen.com\/why-a-tuning-fork-gives-an-almost-pure-pitch\/"},"modified":"2026-10-10T20:01:45","modified_gmt":"2026-10-10T09:01:45","slug":"why-a-tuning-fork-gives-an-almost-pure-pitch","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-a-tuning-fork-gives-an-almost-pure-pitch\/","title":{"rendered":"\u97f3\u53c9\u4e3a\u4ec0\u4e48\u80fd\u7ed9\u51fa\u63a5\u8fd1\u7eaf\u51c0\u7684\u97f3\u9ad8\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-a-tuning-fork-gives-an-almost-pure-pitch\/d0c087df0cd4fe28317f297e.jpg?w=1140&#038;ssl=1\" alt=\"\u97f3\u53c9\u4e3a\u4ec0\u4e48\u80fd\u7ed9\u51fa\u63a5\u8fd1\u7eaf\u51c0\u7684\u97f3\u9ad8\uff1f\" 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href=\"https:\/\/americanhistory.si.edu\/acoustics\/tuning-forks\" rel=\"nofollow\">https:\/\/americanhistory.si.edu\/acoustics\/tuning-forks<\/a><br \/><a href=\"https:\/\/www.physicsclassroom.com\/mmedia\/waves\/tfl.cfm\" rel=\"nofollow\">https:\/\/www.physicsclassroom.com\/mmedia\/waves\/tfl.cfm<\/a><\/p>\n<div class=\"scoreflow-promotion\">\n<hr>\n<p><a href=\"https:\/\/apps.apple.com\/us\/app\/scoreflow\/id6796205656\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/scoreflow-app-icon.jpg?resize=72%2C72&#038;ssl=1\" alt=\"ScoreFlow\" width=\"72\" height=\"72\" style=\"display:block;width:72px;height:72px;border-radius:16px;\" loading=\"lazy\"><\/a><\/p>\n<p><strong>ScoreFlow<\/strong><\/p>\n<p>\u5982\u679c\u4f60\u4e5f\u60f3\u628a\u8fd9\u4e9b\u5173\u4e8e\u8046\u542c\u3001\u7406\u89e3\u4e0e\u7ec3\u4e60\u7684\u60f3\u6cd5\u5e26\u5230\u7434\u952e\u4e0a\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u6211\u5f00\u53d1\u7684 <a href=\"https:\/\/apps.apple.com\/us\/app\/scoreflow\/id6796205656\" rel=\"noopener\" target=\"_blank\">ScoreFlow<\/a>\uff0c\u8ba9\u4e50\u8c31\u9605\u8bfb\u4e0e\u65e5\u5e38\u7ec3\u4e60\u8854\u63a5\u5f97\u66f4\u81ea\u7136\u3002<\/p>\n<p><a href=\"https:\/\/apps.apple.com\/us\/app\/scoreflow\/id6796205656\" aria-label=\"\u5728 App Store \u4e0b\u8f7d: ScoreFlow\" style=\"display:inline-block;padding:12px 0;\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/geoffreychen.com\/wp-content\/uploads\/2026\/10\/roadly-app-store-badge-zh-cn-hires.png?resize=150%2C50&#038;ssl=1\" alt=\"\u5728 App Store \u4e0b\u8f7d\" width=\"150\" height=\"50\" style=\"display:block;width:150px;height:50px;max-width:100%;border:0;\" loading=\"lazy\"><\/a><\/p>\n<\/div>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"Explains how a tuning fork favours its fundamental, why its higher modes fade quickly, and how a clean reference pitch makes tuning beats easier to 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