{"id":344,"date":"2014-01-28T16:01:28","date_gmt":"2014-01-28T08:01:28","guid":{"rendered":"http:\/\/www.tongtuning.com\/wordpress\/?p=344"},"modified":"2025-10-24T23:48:24","modified_gmt":"2025-10-24T15:48:24","slug":"why-piano-is-to-be-tuned-to-a440","status":"publish","type":"post","link":"https:\/\/www.tongtuning.com\/wordpress\/344","title":{"rendered":"Why piano is to be tuned to A440?"},"content":{"rendered":"<h5><!--StartFragment --><\/h5>\n<h5><iframe loading=\"lazy\" src=\"https:\/\/www.facebook.com\/plugins\/post.php?href=https%3A%2F%2Fwww.facebook.com%2FPiano.Technician.HK%2Fposts%2Fpfbid0TnQH7gY3SAw68Jc9nb9ULAGV94PrUuVpRiKaYwDXraHZvXmCMDALexfKPKvsJDFjl&amp;show_text=false&amp;width=700\" width=\"700\" height=\"498\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/h5>\n<h5>The reason <a href=\"https:\/\/www.tongtuning.com\/wordpress\/494\">most pianos (and other instruments) are tuned to <strong>A440<\/strong><\/a>\u2014meaning the A above middle C vibrates at <strong>440 Hz<\/strong>\u2014is because it became the <strong>international standard reference pitch<\/strong> in the 20th century.<\/h5>\n<h5><!--more--><\/h5>\n<h5>Historical Background<\/h5>\n<ul>\n<li>\n<h5><strong>Before standardization<\/strong>: Different regions and even different orchestras used different pitches. For example:<\/h5>\n<ul>\n<li>\n<h5>France in the 19th century often used <strong>A435<\/strong>.<\/h5>\n<\/li>\n<li>\n<h5>Some German orchestras used <strong>A450+<\/strong>, which sounded noticeably sharper.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5>This inconsistency caused problems when musicians from different places played together.<\/h5>\n<\/li>\n<li>\n<h5><strong>1939 London Conference<\/strong>: An international agreement recommended <strong>A440<\/strong> as the standard pitch.<\/h5>\n<\/li>\n<li>\n<h5><strong>1955<\/strong>: The International Organization for Standardization (ISO) officially adopted <strong>A440<\/strong> as <strong>ISO 16<\/strong>, the global reference pitch.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Why A440 Was Chosen<\/h5>\n<ul>\n<li>\n<h5><strong>Compromise<\/strong>: It sits between the lower, warmer A435 and the brighter A445\u2013A450 used in some orchestras.<\/h5>\n<\/li>\n<li>\n<h5><strong>Scientific practicality<\/strong>: 440 Hz is a simple, round number that\u2019s easy to reproduce with tuning forks and electronic devices.<\/h5>\n<\/li>\n<li>\n<h5><strong>Consistency<\/strong>: It allowed instrument makers, <a href=\"https:\/\/www.tongtuning.com\/wordpress\/494\">tuners<\/a>, and ensembles worldwide to align on a single reference.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Modern Practice<\/h5>\n<ul>\n<li>\n<h5><strong>Most pianos<\/strong> are tuned to A440 for compatibility with other instruments.<\/h5>\n<\/li>\n<li>\n<h5><strong>Some orchestras<\/strong> (especially in Europe) prefer slightly higher pitches, like <strong>A442 or A443<\/strong>, for a brighter, more brilliant sound.<\/h5>\n<\/li>\n<li>\n<h5><strong>Early music ensembles<\/strong> sometimes use historical tunings (e.g., A415 for Baroque music) to match period practice.<\/h5>\n<\/li>\n<\/ul>\n<h5><!--EndFragment --><\/h5>\n<h5>Reference:<\/h5>\n<h5><!--StartFragment --><\/h5>\n<h5><a href=\"https:\/\/en.wikipedia.org\/wiki\/A440_%28pitch_standard%29\">Wikipedia \u2013 <em>A440 (pitch standard)<\/em><\/a><br \/>\n<a href=\"https:\/\/millersmusic.co.uk\/blogs\/blog\/should-a-piano-be-tuned-to-a440hz-or-a442hz\">Millers Music \u2013 <em>Should a Piano Be Tuned to A440 or A442?<\/em><\/a><\/h5>\n<hr \/>\n<h5><!--StartFragment --><\/h5>\n<h5>The <strong>A440 vs. A432 debate<\/strong> is one of the most fascinating (and sometimes controversial) discussions in music. It mixes acoustics, history, aesthetics, and even philosophy. Here\u2019s a clear breakdown:<\/h5>\n<h5><\/h5>\n<h5>What They Mean<\/h5>\n<ul>\n<li>\n<h5><strong>A440<\/strong>: The modern international standard (ISO 16), where the A above middle C vibrates at 440 Hz.<\/h5>\n<\/li>\n<li>\n<h5><strong>A432<\/strong>: A slightly lower pitch (about 8 Hz flatter), sometimes called <em>\u201cVerdi tuning\u201d<\/em> because composer Giuseppe Verdi once advocated for A432 as a standard.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Historical Context<\/h5>\n<ul>\n<li>\n<h5>Before standardization, pitch varied widely (A415, A435, A450, etc.).<\/h5>\n<\/li>\n<li>\n<h5>In 1939, A440 was recommended internationally, and in 1955 ISO adopted it officially.<\/h5>\n<\/li>\n<li>\n<h5>A432 was proposed earlier in the 19th century as a more \u201cnatural\u201d pitch, but it never became the global standard.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Arguments for A440<\/h5>\n<ul>\n<li>\n<h5><strong>Consistency<\/strong>: Provides a universal reference so ensembles and instrument makers align.<\/h5>\n<\/li>\n<li>\n<h5><strong>Projection<\/strong>: Slightly higher pitch gives more brilliance and brightness, useful in large concert halls.<\/h5>\n<\/li>\n<li>\n<h5><strong>Industry standard<\/strong>: Most instruments, tuners, and recordings are built around A440.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Arguments for A432<\/h5>\n<ul>\n<li>\n<h5><strong>Perceived warmth<\/strong>: Many musicians and listeners describe A432 as more mellow, round, and less tense.<\/h5>\n<\/li>\n<li>\n<h5><strong>Historical support<\/strong>: Verdi and some 19th-century musicians preferred it, claiming it was closer to the human voice.<\/h5>\n<\/li>\n<li>\n<h5><strong>Spiritual\/alternative claims<\/strong>: Some believe A432 resonates more harmoniously with natural frequencies, the Earth\u2019s vibration, or even human biology. These claims are popular in wellness and \u201chealing music\u201d communities, though not scientifically proven.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>The Reality<\/h5>\n<ul>\n<li>\n<h5>Scientifically, the difference between A440 and A432 is <strong>tiny<\/strong>\u2014about a third of a semitone.<\/h5>\n<\/li>\n<li>\n<h5>Most of the preference comes down to <strong>subjective listening<\/strong> and <strong>cultural associations<\/strong>.<\/h5>\n<\/li>\n<li>\n<h5>Some orchestras tune slightly higher (A442\u2013A445) for brilliance, while early music ensembles often use A415 for authenticity.<\/h5>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Reference:<\/h5>\n<h5><a href=\"https:\/\/crumplepop.com\/a432-vs-a440-which-tuning-standard-is-better\/\">A432 vs A440: Which Tuning Standard is Better?<\/a><\/h5>\n<h5><a href=\"https:\/\/www.izotope.com\/en\/learn\/tuning-standards-explained.html\">Tuning Standards Explained: Differences between 432 Hz vs 440 Hz<\/a><\/h5>\n<h5><a href=\"https:\/\/www.musicianwave.com\/432-hz-440-hz\/\">432 Hz vs 440 Hz (Differences, Tuning, Which Sounds Better)<\/a><\/h5>\n<hr \/>\n<h5><!--EndFragment --><\/h5>\n<h5><!--StartFragment --><\/h5>\n<h5>You can absolutely request a <strong>different diapason (reference pitch)<\/strong> for <a href=\"https:\/\/www.tongtuning.com\/wordpress\/494\">piano tuning<\/a> besides A440. While <strong>A440<\/strong> is the international standard, tuners can adjust to other frequencies depending on your needs, the instrument\u2019s condition, or the musical context.<\/h5>\n<h5><\/h5>\n<h5>Common Alternatives to A440<\/h5>\n<ul>\n<li>\n<h5><strong>A442 \/ A443<\/strong><\/h5>\n<ul>\n<li>\n<h5>Often used by European orchestras for a brighter, more brilliant sound.<\/h5>\n<\/li>\n<li>\n<h5>Helps the piano blend with ensembles that tune slightly sharp.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5><strong>A435<\/strong><\/h5>\n<ul>\n<li>\n<h5>Historically used in 19th\u2011century France.<\/h5>\n<\/li>\n<li>\n<h5>Sometimes chosen for historically informed performances.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5><strong>A415<\/strong><\/h5>\n<ul>\n<li>\n<h5>Common in Baroque music ensembles.<\/h5>\n<\/li>\n<li>\n<h5>Roughly a semitone lower than A440, giving a darker, warmer sound.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5><strong>A432<\/strong><\/h5>\n<ul>\n<li>\n<h5>Advocated by some as \u201cVerdi tuning.\u201d<\/h5>\n<\/li>\n<li>\n<h5>Preferred by certain musicians for its perceived warmth and \u201cnatural resonance.\u201d<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5><\/h5>\n<h5>Practical Considerations<\/h5>\n<ul>\n<li>\n<h5><strong>Instrument limits<\/strong>:<\/h5>\n<ul>\n<li>\n<h5>Older pianos or those with weaker frames may not safely hold higher tension (e.g., A442+).<\/h5>\n<\/li>\n<li>\n<h5>In such cases, tuners may recommend a slightly lower pitch (e.g., A435\u2013A438) to reduce string stress.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5><strong>Ensemble compatibility<\/strong>:<\/h5>\n<ul>\n<li>\n<h5>If you play with other instruments, it\u2019s best to match their reference pitch.<\/h5>\n<\/li>\n<li>\n<h5>Solo players have more freedom to choose.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<h5><strong>Tuner\u2019s role<\/strong>:<\/h5>\n<ul>\n<li>\n<h5>A<a href=\"https:\/\/www.tongtuning.com\/wordpress\/rpte\"> professional tuner<\/a> can set the diapason you request, but they\u2019ll also advise whether your piano can handle it safely.<\/h5>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5><!--EndFragment --><\/h5>\n<hr \/>\n<h5>\u6e6f \u5148\u751f\/ Mr. Tong<\/h5>\n<h5>\u82f1\u570b\u8a3b\u518a\u92fc\u7434\u6280\u5e2b \/ Registered Piano Technician (MPTA)<\/h5>\n<h5>Mobile \/ Whatsapp: 6304 4081<\/h5>\n<h5>Website:\u00a0<a href=\"http:\/\/www.tongtuning.com\/\">www.tongtuning.com<\/a><\/h5>\n<h5>Blog:\u00a0<a href=\"http:\/\/www.tongtuning.com\/wordpress\">www.tongtuning.com\/wordpress<\/a><\/h5>\n<h5>Facebook:\u00a0<a href=\"https:\/\/www.facebook.com\/Piano.Technician.HK\">https:\/\/www.facebook.com\/Piano.Technician.HK<\/a><\/h5>\n<h5>YouTube Channel:\u00a0<a href=\"http:\/\/www.youtube.com\/user\/tongtuning\">http:\/\/www.youtube.com\/user\/tongtuning<\/a><\/h5>\n<h5>Instagram:\u00a0<a href=\"http:\/\/instagram.com\/Piano_Technician\">http:\/\/instagram.com\/Piano_Technician<\/a><\/h5>\n<div class=\"sharedaddy sd-sharing-enabled\"><div 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\u6298\u8877\u65b9\u6848\uff1a\u4ecb\u65bc\u8f03\u4f4e\u7684 A435 \u8207\u8f03\u9ad8\u7684 A445\u2013A450 \u4e4b\u9593\uff0c\u53d6\u5f97\u5e73\u8861\u3002 \u79d1\u5b78\u8207\u5be6\u7528\u6027\uff1a440 Hz \u662f\u4e00\u500b\u7c21\u55ae\u3001\u6574\u9f4a\u7684\u6578\u5b57\uff0c\u65b9\u4fbf\u7528\u97f3\u53c9\u6216\u96fb\u5b50\u8a2d\u5099\u7522\u751f\u3002 \u4e00\u81f4\u6027\uff1a\u8b93\u6a02\u5668\u88fd\u9020\u5546\u3001\u8abf\u97f3\u5e2b\u8207\u6a02\u5718\u80fd\u5728\u540c\u4e00\u57fa\u6e96\u4e0b\u5408\u4f5c\u3002 \u73fe\u4ee3\u5be6\u8e10 \u5927\u591a\u6578\u92fc\u7434\uff1a\u4ecd\u4ee5 A440 \u70ba\u57fa\u6e96\u8abf\u97f3\u3002 \u90e8\u5206\u6b50\u6d32\u6a02\u5718\uff1a\u504f\u597d A442 \u6216 A443\uff0c\u97f3\u8272\u66f4\u660e\u4eae\u3002 \u53e4\u6a02\u5718\u9ad4\uff1a\u6709\u6642\u6703\u4f7f\u7528\u6b77\u53f2\u97f3\u9ad8\uff08\u5982\u5df4\u6d1b\u514b\u97f3\u6a02\u7684 A415\uff09\uff0c\u4ee5\u7b26\u5408\u7576\u6642\u7684\u6f14\u594f\u7fd2\u6163\u3002 Reference: Wikipedia \u2013 A440\u2026","rel":"","context":"In &quot;\u92fc\u7434\u8b77\u7406\u77e5\u8b58\/ Technical Advice&quot;","img":{"alt_text":"","src":"https:\/\/i1.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/02\/A440_Tuning_Fork.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":7709,"url":"https:\/\/www.tongtuning.com\/wordpress\/7709","url_meta":{"origin":344,"position":1},"title":"Pitch Raising","date":"June 12, 2021","format":false,"excerpt":"\u5982\u679c\u92fc\u7434\u5df2\u7d93\u5927\u5e45\u5ea6\u8d70\u4f4d, \u4f46\u5176 \u7d50\u69cb\u72c0\u6cc1 \u8a31\u53ef\u7684\u8a71, \u662f\u53ef\u4ee5\u6700\u7d42\u88ab\u8abf\u56de\u5230\u00a0\u97f3\u6e96 (Diapason) A440 \u7684. \u4e00\u500b\u6bd4\u8f03\u6eab\u548c\u7684\u505a\u6cd5\u662f \u66f4\u983b\u5bc6\u5730\u5b89\u6392\u8abf\u97f3, \u6bcf\u6b21\u6309\u92fc\u7434\u72c0\u6cc1\u62c9\u9ad8\u97f3\u6e96, \u76f4\u5230 \u8abf\u5230 \u6307\u5b9a\u97f3\u6e96 (\u4e00\u822c\u662f A440) \u53ca \u97f3\u6e96\u7684\u7a69\u5b9a\u6027\u56de\u5fa9\u5230\u4e00\u5b9a\u6c34\u5e73. \u9019\u7a0b\u5e8f\u5c31\u662f Pitch Raising. \u512a\u9ede \u62c9\u65b7\u7d43\u7dda\u7684\u6a5f\u6703\u8f03\u4f4e \u6bcf\u6b21\u8abf\u97f3\u63a7\u5236\u5f26\u7dda\u62c9\u529b\u7684\u6539\u8b8a\u5e45\u5ea6, \u5c0d\u65bc\u92fc\u7434\u7684\u7d50\u69cb (\u7279\u5225\u662f Pin Block) \u7684\u8ca0\u64d4\u8f03\u5c0f \u63a7\u5236\u5f26\u7dda\u62c9\u529b\u7684\u6539\u8b8a\u5e45\u5ea6 \u4e5f\u610f\u5473\u8457\u00a0\u97f3\u6e96\u7684\u7a69\u5b9a\u6027\u00a0\u8f03\u53ef\u80fd\u5728 Pitch Raising \u904e\u7a0b\u671f\u9593 \u7dad\u6301\u5230\u4e00\u5b9a\u6c34\u5e73, \u5c0d\u65bc\u5f48\u594f\u7684\u5f71\u97ff\u8f03\u4f4e \u8abf\u97f3\u662f\u6309\u6b21 (\u9810\u7d04) \u6536\u8cbb\u7684, \u5206\u958b\u5728\u4e00\u6bb5\u6642\u671f\u8abf\u97f3, \u6bcf\u6b21\u7684\u8cbb\u7528\u6578\u984d\u8f03\u5c11, \u4e5f\u6bd4\u8f03\u5bb9\u6613\u9810\u7b97 \u9700\u6ce8\u610f\u4e8b\u9805 \u5982 Pin Block, \u6216\u662f\u92fc\u7434\u6709\u5176\u4ed6\u7d50\u69cb\u56e0\u7d20, \u7121\u6cd5\u627f\u53d7 \u8f03\u9ad8\u7684\u5f26\u7dda\u62c9\u529b, \u5247\u4e0d\u9069\u5408\u9032\u884c\u2026","rel":"","context":"In &quot;\u92fc\u7434\u8b77\u7406\u77e5\u8b58\/ Technical Advice&quot;","img":{"alt_text":"","src":"https:\/\/i1.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/02\/Piano-Strings.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":2036,"url":"https:\/\/www.tongtuning.com\/wordpress\/2036","url_meta":{"origin":344,"position":2},"title":"Tuning Forks","date":"June 7, 2014","format":false,"excerpt":"Throughout recorded history, and to the present day, there has been no universally predominant standard musical pitch.\u00a0 Since 1939, there has been a concerted effort to establish A440 as the universal standard pitch, and A440 has gained considerable acceptance over the years, but even so, pitch has ranged from A415\u2026","rel":"","context":"In &quot;English Articles&quot;","img":{"alt_text":"","src":"https:\/\/i1.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/11\/g169_1280382111-54583048_site_icon.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":471,"url":"https:\/\/www.tongtuning.com\/wordpress\/471","url_meta":{"origin":344,"position":3},"title":"Key vs Frequency Chart","date":"February 3, 2014","format":false,"excerpt":"\u5728\u97f3\u6a02\u7406\u8ad6\u4e2d\uff0c\u97f3\u9ad8\u983b\u7387\u8868\uff08Frequency Chart\uff09\u5217\u51fa\u4e86\u6bcf\u500b\u92fc\u7434\u97f3\u9375\u5728\u5341\u4e8c\u5e73\u5747\u5f8b\u4e0b\u7684\u7406\u8ad6\u983b\u7387\uff0c\u4f8b\u5982 A4 = 440 Hz\u3001C4 \u2248 261.63 Hz\u3002\u9019\u6a23\u7684\u8868\u683c\u5c0d\u65bc\u5b78\u7fd2\u97f3\u9ad8\u6982\u5ff5\u6216\u96fb\u5b50\u8abf\u97f3\u5668\u7684\u53c3\u8003\u5f88\u6709\u5e6b\u52a9\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u7684\u92fc\u7434\u8abf\u97f3\u904e\u7a0b\u4e2d\uff0c\u55ae\u7d14\u4f9d\u9760\u983b\u7387\u8868\u537b\u4e26\u4e0d\u5be6\u7528\uff0c\u539f\u56e0\u5982\u4e0b\u3002 \u70ba\u4ec0\u9ebc\u983b\u7387\u8868\u5728\u92fc\u7434\u8abf\u97f3\u4e2d\u4e0d\u5be6\u7528 \u5f26\u7684\u4e0d\u8ae7\u6027\uff08Inharmonicity\uff09 \u92fc\u7434\u5f26\u4e26\u975e\u7406\u60f3\u7684\u300c\u5b8c\u5168\u67d4\u8edf\u300d\u5f26\uff0c\u800c\u662f\u5177\u6709\u525b\u6027\u3002 \u5176\u6cdb\u97f3\uff08\u90e8\u5206\u97f3\uff09\u6703\u6bd4\u7406\u8ad6\u503c\u7565\u9ad8\u3002 \u5982\u679c\u5b8c\u5168\u4f9d\u7167\u983b\u7387\u8868\u8abf\u97f3\uff0c\u516b\u5ea6\u8207\u548c\u8072\u807d\u8d77\u4f86\u6703\u300c\u4e0d\u548c\u8ae7\u300d\u3002 \u9700\u8981\u300c\u5ef6\u4f38\u8abf\u5f8b\u300d\uff08Stretch Tuning\uff09 \u5c08\u696d\u8abf\u97f3\u5e2b\u6703\u5c07 \u4f4e\u97f3\u8abf\u5f97\u7565\u4f4e\u3001\u9ad8\u97f3\u8abf\u5f97\u7565\u9ad8\u3002 \u9019\u6a23\u7684\u300c\u5ef6\u4f38\u300d\u80fd\u8b93\u516b\u5ea6\u807d\u8d77\u4f86\u7d14\u6b63\uff0c\u5373\u4f7f\u5be6\u969b\u983b\u7387\u504f\u96e2\u8868\u683c\u3002 \u6bcf\u53f0\u92fc\u7434\u90fd\u4e0d\u540c \u92fc\u7434\u7684\u8a2d\u8a08\uff08\u5f26\u9577\u3001\u7c97\u7d30\u3001\u5f35\u529b\uff09\u5404\u4e0d\u76f8\u540c\u3002 \u5728\u4e00\u53f0\u92fc\u7434\u4e0a\u9069\u7528\u7684\u983b\u7387\uff0c\u53ef\u80fd\u5728\u53e6\u4e00\u53f0\u4e0a\u807d\u8d77\u4f86\u4e0d\u6e96\u3002 \u8abf\u97f3\u4f9d\u9760\u807d\u89ba\u300c\u62cd\u983b\u300d \u5c08\u696d\u8abf\u97f3\u5e2b\u4e3b\u8981\u900f\u904e\u807d\u89ba\uff0c\u5229\u7528 \u62cd\u983b\uff08beats\uff09 \u4f86\u5224\u65b7\u97f3\u6e96\u3002 \u4ed6\u5011\u8abf\u6574\u97f3\u7a0b\uff08\u5982\u4e94\u5ea6\u3001\u56db\u5ea6\u3001\u516b\u5ea6\uff09\uff0c\u800c\u4e0d\u662f\u55ae\u7d14\u8ffd\u6c42\u983b\u7387\u8868\u4e0a\u7684\u6578\u5b57\u3002 \u96fb\u5b50\u8abf\u97f3\u5668\u7684\u88dc\u511f \u73fe\u4ee3\u96fb\u5b50\u8abf\u97f3\u5668\u4e26\u975e\u76f4\u63a5\u4f7f\u7528\u983b\u7387\u8868\uff0c\u800c\u662f\u6703\u6e2c\u91cf\u92fc\u7434\u7684 \u4e0d\u8ae7\u6027\uff0c\u4e26\u751f\u6210\u5c08\u5c6c\u7684\u300c\u5ef6\u4f38\u66f2\u7dda\u300d\u3002 \u7e3d\u7d50 \u983b\u7387\u8868 \u2192 \u9069\u5408\u4f5c\u70ba\u7406\u8ad6\u53c3\u8003\u6216\u5b78\u7fd2\u5de5\u5177\u3002 \u5be6\u969b\u8abf\u97f3 \u2192 \u5fc5\u9808\u4f9d\u9760\u8033\u6735\u8207\u5ef6\u4f38\u8abf\u5f8b\uff0c\u56e0\u70ba\u771f\u5be6\u92fc\u7434\u7684\u5f26\u4e26\u4e0d\u7b26\u5408\u7406\u8ad6\u6578\u64da\u3002 \u56e0\u6b64\uff0c\u8abf\u97f3\u5e2b\u5e38\u8aaa\uff1a\u300c\u8abf\u97f3\u8981\u4f9d\u7167\u92fc\u7434\uff0c\u800c\u4e0d\u662f\u4f9d\u7167\u8868\u683c\u3002\u300d Beat Frequency \u793a\u8303:\u00a0https:\/\/youtu.be\/V8W4Djz6jnY?si=pchNDSob0xuGcFSR \u00a0 Beat Frequency \u7406\u8ad6:\u00a0https:\/\/youtu.be\/4M72kQulGKk?si=qiJPv5-HNSlMQFoD \ufeff \u6e6f \u5148\u751f\/ Mr. Tong\u2026","rel":"","context":"In &quot;\u92fc\u7434\u7d50\u69cb\/ Piano Structure&quot;","img":{"alt_text":"","src":"https:\/\/i2.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/02\/Key-vs-Frequency-Chart-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":11,"url":"https:\/\/www.tongtuning.com\/wordpress\/11","url_meta":{"origin":344,"position":4},"title":"\u96fb\u5b50\u62cd\u5b50\u6a5f \u7684 Check \u97f3\u6e96\u529f\u80fd \u6709\u591a\u6e96\u78ba?","date":"January 21, 2014","format":false,"excerpt":"\u5e02\u9762\u4e0a\u6709\u4e9b \u7bc0\u62cd\u5668\/\u62cd\u5b50\u6a5f \u540c\u6642\u5177\u5099\u8abf\u97f3\u529f\u80fd\uff0c\u770b\u8d77\u4f86\u65b9\u4fbf\u53c8\u5be6\u7528\u3002\u4e0d\u904e\uff0c\u9019\u985e\u88dd\u7f6e\u4e3b\u8981\u662f\u70ba\u5c0f\u578b\u6a02\u5668\uff08\u5982\u5409\u4ed6\u3001\u5c0f\u63d0\u7434\u3001\u7ba1\u6a02\u5668\uff09\u8a2d\u8a08\u7684\u3002\u82e5\u8981\u7528\u4f86\u70ba\u50b3\u7d71\u92fc\u7434\u8abf\u97f3\uff0c\u6548\u679c\u5176\u5be6\u76f8\u7576\u6709\u9650\u3002\u4ee5\u4e0b\u662f\u539f\u56e0\u8207\u5c08\u696d\u5efa\u8b70\u3002 \u62cd\u5b50\u6a5f\u8abf\u97f3\u529f\u80fd\u7684\u5be6\u969b\u7528\u9014 \u5e38\u898b\u7d44\u5408\uff1a \u7bc0\u62cd\u5668 \u2192 \u5e6b\u52a9\u7df4\u7fd2\u6642\u4fdd\u6301\u7bc0\u594f\u3002 \u8272\u97f3\u8abf\u97f3\u5668\uff08Chromatic Tuner\uff09 \u2192 \u5075\u6e2c\u55ae\u97f3\u7684\u97f3\u9ad8\uff0c\u9069\u5408\u5f26\u6a02\u6216\u7ba1\u6a02\u3002 \u97f3\u9ad8\u767c\u8072\u5668 \u2192 \u64ad\u653e\u6a19\u6e96\u97f3\uff08\u5982 A440\uff09\u3002 \u70ba\u4f55\u4e0d\u8db3\u4ee5\u8abf\u6574\u92fc\u7434 \u92fc\u7434\u9700\u8981\u300c\u62c9\u4f38\u97f3\u5f8b\u300d (Stretching)\uff1a \u56e0\u70ba\u92fc\u7434\u5f26\u7684\u525b\u6027\uff08\u975e\u8ae7\u548c\u6027\uff09\uff0c\u516b\u5ea6\u97f3\u5fc5\u9808\u7565\u70ba\u300c\u62c9\u4f38\u300d\u2014\u2014\u4f4e\u97f3\u7a0d\u5fae\u504f\u4f4e\uff0c\u9ad8\u97f3\u7a0d\u5fae\u504f\u9ad8\uff0c\u624d\u80fd\u807d\u8d77\u4f86\u548c\u8ae7\u3002\u4e00\u822c\u8abf\u97f3\u5668\u53ea\u4f9d\u7167\u5e73\u5747\u5f8b\uff0c\u7121\u6cd5\u8655\u7406\u9019\u7a2e\u9700\u6c42\u3002 \u591a\u5f26\u97f3\u7684\u554f\u984c\uff1a \u92fc\u7434\u5927\u90e8\u5206\u97f3\u7b26\u6709 2\u20133 \u689d\u5f26\uff0c\u5fc5\u9808\u4ed4\u7d30\u8abf\u6574\u907f\u514d\u300c\u62cd\u983b\u300d\u3002\u7c21\u55ae\u7684\u8abf\u97f3\u5668\u7121\u6cd5\u5224\u65b7\u9019\u7a2e\u7d30\u5fae\u5dee\u7570\u3002 \u8abf\u97f3\u4e0d\u53ea\u662f\u97f3\u9ad8\uff1a \u92fc\u7434\u8abf\u97f3\u9084\u6d89\u53ca\u64ca\u5f26\u6c08\u8abf\u6574\uff08voicing\uff09\u3001\u6a5f\u68b0\u7d50\u69cb\u6821\u6b63\uff08regulation\uff09\u7b49\uff0c\u9019\u4e9b\u662f\u7bc0\u62cd\u5668\u8abf\u97f3\u529f\u80fd\u7121\u6cd5\u6db5\u84cb\u7684\u3002 \u5c08\u696d\u4eba\u54e1\u7684\u505a\u6cd5 \u8033\u6735\u4ecd\u662f\u95dc\u9375\uff1a\u807d\u89ba\u8abf\u97f3\u4f9d\u8cf4\u8abf\u97f3\u5e2b\u8a13\u7df4\u6709\u7d20\u7684\u8033\u6735\uff0c\u900f\u904e\u8046\u807d\u92fc\u7434\u7522\u751f\u7684\u62cd\u983b\u548c\u6cdb\u97f3\u4f86\u8abf\u6574\u97f3\u9ad8\u3002\u4eba\u985e\u80fd\u611f\u77e5\u7d30\u5fae\u7684\u97f3\u6a02\u7d30\u7bc0\uff0c\u5305\u62ec\u97f3\u7a0b\u7684\u7279\u6027\u548c\u54c1\u8cea\uff0c\u9019\u662f\u96fb\u5b50\u8abf\u97f3\u88dd\u7f6e\u7121\u6cd5\u5b8c\u5168\u6355\u6349\u7684\u3002\u9019\u4f7f\u5f97\u807d\u89ba\u8abf\u97f3\u80fd\u8abf\u6574\u51fa\u97f3\u6a02\u4e0a\u66f4\u6085\u8033\u7684\u6548\u679c\uff0c\u800c\u975e\u50c5\u50c5\u662f\u6578\u5b78\u4e0a\u7684\u7cbe\u78ba\u3002 \u5728\u6a02\u5668\u5e02\u5834\u4e0a\uff0c\u5e38\u898b\u7684\u96fb\u5b50\u8abf\u97f3\u5de5\u5177\u5927\u81f4\u53ef\u5206\u70ba\u300c\u5c08\u696d\u578b\u300d\u8207\u300c\u975e\u5c08\u696d\u578b\u300d\u3002\u524d\u8005\u4e3b\u8981\u7531\u92fc\u7434\u8abf\u97f3\u5e2b\u6216\u6280\u8853\u4eba\u54e1\u4f7f\u7528\uff0c\u7cbe\u5ea6\u6975\u9ad8\uff1b\u5f8c\u8005\u5247\u662f\u9762\u5411\u4e00\u822c\u97f3\u6a02\u611b\u597d\u8005\u6216\u5b78\u751f\uff0c\u50f9\u683c\u4f4e\u5ec9\u3001\u64cd\u4f5c\u7c21\u55ae\uff0c\u4f46\u529f\u80fd\u6709\u9650\u3002\u4ee5\u4e0b\u6574\u7406\u975e\u5c08\u696d\u96fb\u5b50\u8abf\u97f3\u8a2d\u5099\u7684\u7279\u9ede\uff0c\u5e6b\u52a9\u5927\u5bb6\u5206\u8fa8\u8207\u7406\u89e3\u3002 \u4ec0\u9ebc\u662f\u975e\u5c08\u696d\u96fb\u5b50\u8abf\u97f3\u8a2d\u5099\uff1f \u5b9a\u7fa9\uff1a\u5229\u7528\u96fb\u5b50\u611f\u6e2c\u5668\u6216\u624b\u6a5f\u9ea5\u514b\u98a8\uff0c\u986f\u793a\u97f3\u9ad8\u662f\u5426\u504f\u9ad8\u6216\u504f\u4f4e\u7684\u7c21\u6613\u5de5\u5177\u3002 \u4f7f\u7528\u8005\uff1a\u696d\u9918\u97f3\u6a02\u4eba\u3001\u5b78\u751f\u3001\u5bb6\u9577\uff0c\u6216\u4e00\u822c\u6a02\u5668\u611b\u597d\u8005\u3002 \u5e38\u898b\u5f62\u5f0f\uff1a \u53e3\u888b\u578b\u8abf\u97f3\u5668\uff08\u5c0f\u578b\u87a2\u5e55\u986f\u793a\uff09 \u593e\u5f0f\u8abf\u97f3\u5668\uff08\u56fa\u5b9a\u5728\u6a02\u5668\u4e0a\uff09 \u624b\u6a5f\uff0f\u5e73\u677f\u61c9\u7528\u7a0b\u5f0f\uff08\u5229\u7528\u9ea5\u514b\u98a8\u6536\u97f3\uff09 \u9650\u5236\u8207\u98a8\u96aa \u4e0d\u9069\u7528\u65bc\u92fc\u7434\u8abf\u97f3\uff1a\u92fc\u7434\u9700\u8981\u6975\u9ad8\u7cbe\u5ea6\u8207\u300c\u4e0d\u8ae7\u548c\u6027\u300d\u8a08\u7b97\uff0c\u7c21\u6613\u8abf\u97f3\u5668\u7121\u6cd5\u8655\u7406\u3002 \u8aa4\u5c0e\u98a8\u96aa\uff1a\u90e8\u5206\u5546\u5bb6\u5c07\u5ec9\u50f9\u8a2d\u5099\u6216 App \u5305\u88dd\u6210\u300c\u5c08\u696d\u92fc\u7434\u8abf\u97f3\u5668\u300d\uff0c\u5bb9\u6613\u8aa4\u5c0e\u6d88\u8cbb\u8005\u3002 \u5047\u6027\u5b89\u5fc3\uff1a\u4f7f\u7528\u8005\u53ef\u80fd\u4ee5\u70ba\u92fc\u7434\u5df2\u300c\u8abf\u597d\u300d\uff0c\u4f46\u5be6\u969b\u4e0a\u50c5\u4fee\u6b63\u5c11\u6578\u97f3\u7b26\u3002 \u5efa\u8b70 \u4e00\u822c\u6a02\u5668\u4f7f\u7528\uff1a\u975e\u5c08\u696d\u8abf\u97f3\u5668\u9069\u5408\u5409\u4ed6\u3001\u5c0f\u63d0\u7434\u7b49\u65e5\u5e38\u6aa2\u67e5\u3002 \u92fc\u7434\u64c1\u6709\u8005\uff1a\u61c9\u8058\u8acb\u5408\u8cc7\u683c\u8abf\u97f3\u5e2b\u3002 \u6e6f \u5148\u751f\/ Mr. Tong \u82f1\u570b\u8a3b\u518a\u92fc\u7434\u6280\u5e2b\u2026","rel":"","context":"In &quot;\u92fc\u7434\u8b77\u7406\u77e5\u8b58\/ Technical Advice&quot;","img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/01\/Metronome.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":343,"url":"https:\/\/www.tongtuning.com\/wordpress\/343","url_meta":{"origin":344,"position":5},"title":"\u70ba\u4f55\u4f60\u7684\u92fc\u7434\u9700\u8981\u5b9a\u671f\u8abf\u97f3?","date":"January 28, 2014","format":false,"excerpt":"\u92fc\u7434\u662f\u4e00\u500b\u8907\u96dc\u7684\u6a02\u5668\uff0c\u88e1\u9762\u6709\u8d85\u904e 200 \u689d\u9ad8\u5ea6\u7e43\u7dca\u7684\u7434\u5f26\uff0c\u6bcf\u689d\u5f26\u90fd\u627f\u53d7\u8457\u5de8\u5927\u7684\u5f35\u529b\u3002\u9019\u7a2e\u5f35\u529b\uff0c\u52a0\u4e0a\u74b0\u5883\u56e0\u7d20\uff0c\u6703\u8b93\u92fc\u7434\u96a8\u8457\u6642\u9593\u81ea\u7136\u8d70\u97f3\u3002\u4ee5\u4e0b\u662f\u5b9a\u671f\u8abf\u97f3\u7684\u91cd\u8981\u539f\u56e0\uff1a \u74b0\u5883\u8b8a\u5316 \u6fd5\u5ea6\u8207\u6eab\u5ea6\uff1a\u92fc\u7434\u5167\u90e8\u7684\u6728\u6750\u8207\u6c08\u6703\u96a8\u8457\u7a7a\u6c23\u8b8a\u5316\u800c\u81a8\u8139\u6216\u6536\u7e2e\uff0c\u5373\u4f7f\u662f\u7d30\u5fae\u7684\u8b8a\u5316\u4e5f\u6703\u5f71\u97ff\u5f26\u7684\u5f35\u529b\u3002 \u5b63\u7bc0\u5dee\u7570\uff1a\u5728\u6c23\u5019\u8b8a\u5316\u5927\u7684\u5730\u5340\uff0c\u92fc\u7434\u901a\u5e38\u6bcf\u5e74\u6703\u6709\u5169\u6b21\u660e\u986f\u8d70\u97f3\u3002 \u7434\u5f26\u5f35\u529b\u8207\u5ef6\u5c55 \u6bcf\u689d\u7434\u5f26\u5927\u7d04\u627f\u53d7 150\u2013200 \u78c5\u7684\u5f35\u529b\u3002\u96a8\u8457\u6642\u9593\uff0c\u7434\u5f26\u6703\u9010\u6f38\u62c9\u9577\uff0c\u5c0e\u81f4\u97f3\u9ad8\u4e0b\u964d\u3002 \u65b0\u92fc\u7434\u5c24\u5176\u9700\u8981\u66f4\u983b\u7e41\u8abf\u97f3\uff0c\u56e0\u70ba\u7434\u5f26\u8207\u6728\u88fd\u7d50\u69cb\u4ecd\u5728\u300c\u5b9a\u578b\u300d\u3002 \u97f3\u8272\u54c1\u8cea \u7576\u92fc\u7434\u8d70\u97f3\u6642\uff0c\u97f3\u7b26\u6703\u4e92\u76f8\u885d\u7a81\uff0c\u807d\u8d77\u4f86\u523a\u8033\u6216\u300c\u4e0d\u548c\u8ae7\u300d\u3002 \u5b9a\u671f\u8abf\u97f3\u80fd\u4fdd\u6301\u97f3\u8272\u98fd\u6eff\u3001\u548c\u8ae7\uff0c\u8b93\u6f14\u594f\u66f4\u6085\u8033\u3002 \u4f7f\u7528\u58fd\u547d\u8207\u4fdd\u990a \u7d93\u5e38\u8abf\u97f3\u80fd\u907f\u514d\u9577\u671f\u640d\u5bb3\u3002\u5982\u679c\u591a\u5e74\u4e0d\u8abf\u97f3\uff0c\u7434\u5f26\u53ef\u80fd\u504f\u96e2\u6a19\u6e96\u97f3\u9ad8\u592a\u591a\uff0c\u5f37\u884c\u62c9\u56de\u6703\u589e\u52a0\u65b7\u5f26\u6216\u640d\u58de\u7434\u67b6\u7684\u98a8\u96aa\u3002 \u6280\u5e2b\u5728\u8abf\u97f3\u6642\u4e5f\u80fd\u53ca\u65e9\u767c\u73fe\u5176\u4ed6\u554f\u984c\uff0c\u4f8b\u5982\u7434\u9375\u5361\u4f4f\u6216\u7434\u69cc\u78e8\u640d\u3002 \u5927\u591a\u6578\u92fc\u7434\u81f3\u5c11 \u6bcf\u5e74\u8abf\u97f3\u5169\u6b21\uff0c\u800c\u6f14\u594f\u6703\u7528\u7434\u751a\u81f3\u6703\u5728\u6bcf\u6b21\u6f14\u51fa\u524d\u8abf\u97f3\u3002 Reference: Why do pianos need tuning? Why do pianos need to be tuned? And how often? Piano Tuning: When and Why It\u2019s Needed \u5ef6\u9072\u8abf\u97f3\u7684\u5f8c\u679c \u97f3\u9ad8\u504f\u79fb\u66f4\u5927\uff1a\u5982\u679c\u592a\u4e45\u4e0d\u8abf\u97f3\uff0c\u7434\u5f26\u6703\u9060\u96e2\u6a19\u6e96\u97f3\u9ad8\uff08A=440\uff09\u3002\u4e4b\u5f8c\u518d\u62c9\u56de\u6703\u5c0d\u7434\u5f26\u548c\u7434\u67b6\u9020\u6210\u66f4\u5927\u58d3\u529b\u3002 \u65b7\u5f26\u98a8\u96aa\uff1a\u591a\u5e74\u672a\u8abf\u97f3\u5f8c\u7a81\u7136\u5927\u5e45\u8abf\u6574\uff0c\u53ef\u80fd\u5c0e\u81f4\u7434\u5f26\u65b7\u88c2\u6216\u97f3\u677f\u53d7\u640d\u3002 \u5f35\u529b\u4e0d\u5747\uff1a\u92fc\u7434\u7d50\u69cb\u4f9d\u9760\u7434\u5f26\u5f35\u529b\u5e73\u8861\uff0c\u9577\u671f\u504f\u79fb\u6703\u7834\u58de\u7a69\u5b9a\u6027\u3002 \u66f4\u96e3\u8abf\u56de\uff1a\u82e5\u653e\u4efb\u592a\u4e45\uff0c\u6280\u5e2b\u53ef\u80fd\u9700\u8981\u591a\u6b21\u300cPitch Raising\u300d\u624d\u80fd\u9032\u884c\u7cbe\u8abf\uff0c\u9019\u6703\u589e\u52a0\u8cbb\u7528\u8207\u8ca0\u64d4\u3002 \u5c08\u696d\u5efa\u8b70 \u300c\u53ea\u5728\u807d\u8d77\u4f86\u7cdf\u6642\u624d\u8abf\u97f3\u300d\u5176\u5be6\u662f\u4e00\u500b\u8ff7\u601d\u3002\u5373\u4f7f\u8033\u6735\u66ab\u6642\u611f\u89ba\u4e0d\u5230\uff0c\u92fc\u7434\u65e9\u5df2\u5728\u8d70\u97f3\u3002\u5b9a\u671f\u8abf\u97f3\u80fd\u4fdd\u6301\u7a69\u5b9a\uff0c\u907f\u514d\u65e5\u5f8c\u6602\u8cb4\u7684\u7dad\u4fee\u3002\u2026","rel":"","context":"In &quot;\u92fc\u7434\u8b77\u7406\u77e5\u8b58\/ Technical Advice&quot;","img":{"alt_text":"","src":"https:\/\/i1.wp.com\/www.tongtuning.com\/wordpress\/wp-content\/uploads\/2014\/02\/A440_Tuning_Fork.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/posts\/344"}],"collection":[{"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/comments?post=344"}],"version-history":[{"count":0,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/posts\/344\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/media\/3879"}],"wp:attachment":[{"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/media?parent=344"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/categories?post=344"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tongtuning.com\/wordpress\/wp-json\/wp\/v2\/tags?post=344"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}