![\"\u30e9\u30a6\u30f3\u30c9\u30b9\u30d4\u30fc\u30ab\u30fc](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Round-speaker-8ohm-2w.jpg\" "\\"\u30e9\u30a6\u30f3\u30c9\u30b9\u30d4\u30fc\u30ab\u30fc")
<\/p>\n<\/p>\n
\u9ad8\u57df\u7528\u30b9\u30d4\u30fc\u30ab\u30fc\u30e6\u30cb\u30c3\u30c8\u306e\u8a2d\u8a08\u306f\u3001\u30aa\u30fc\u30c7\u30a3\u30aa\u5de5\u5b66\u306b\u304a\u3044\u3066\u6700\u3082\u5fae\u5999\u306a\u8ab2\u984c\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u82b8\u8853\u6027\u306b\u8fd1\u3044\u7cbe\u5ea6\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u901a\u5e382,000Hz\u304b\u308920,000Hz\uff08\u4eba\u9593\u306e\u53ef\u8074\u4e0a\u9650\uff09\u3067\u52d5\u4f5c\u3059\u308b\u3053\u308c\u3089\u306e\u30c8\u30e9\u30f3\u30b9\u30c7\u30e5\u30fc\u30b5\u30fc\u306f\u3001\u500d\u97f3\u3001\u7a7a\u9593\u7684\u624b\u304c\u304b\u308a\u3001\u305d\u3057\u3066\u30aa\u30fc\u30c7\u30a3\u30aa\u306e\u30ea\u30a2\u30ea\u30ba\u30e0\u3092\u5b9a\u7fa9\u3059\u308b\u7e4a\u7d30\u306a\u30c6\u30af\u30b9\u30c1\u30e3\u30fc\u3092\u518d\u751f\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u5909\u4f4d\u306b\u3088\u3063\u3066\u7a7a\u6c17\u3092\u79fb\u52d5\u3055\u305b\u308b\u4f4e\u57df\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u3068\u306f\u7570\u306a\u308a\u3001\u9ad8\u57df\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u306f\u52a0\u901f\u5ea6\u306b\u3088\u3063\u3066\u52d5\u4f5c\u3059\u308b\u305f\u3081\u3001\u6975\u3081\u3066\u525b\u6027\u304c\u9ad8\u304f\u3001\u304b\u3064\u975e\u5e38\u306b\u8efd\u91cf\u306a\u632f\u52d5\u677f\u304c\u5fc5\u8981\u3067\u3059\u30022024\u5e74\u306e\u6700\u5148\u7aef\u8a2d\u8a08\u3067\u306f\u3001\u30d9\u30ea\u30ea\u30a6\u30e0\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3001\u307e\u305f\u306f\u30dd\u30ea\u30a8\u30fc\u30c6\u30eb\u30a4\u30df\u30c9\u306a\u3069\u306e\u5148\u9032\u30dd\u30ea\u30de\u30fc\u3068\u3044\u3063\u305f\u8907\u5408\u6750\u6599\u304c\u4f7f\u7528\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u525b\u6027\u3001\u5236\u52d5\u7279\u6027\u3001\u8cea\u91cf\u4f4e\u6e1b\u306e\u9593\u3067\u660e\u78ba\u306a\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u304c\u5b58\u5728\u3057\u307e\u3059\u3002.<\/p>\n
![\"\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\"](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Plastic-box-speaker.jpg\" "\\"\u30d7\u30e9\u30b9\u30c1\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u30b9\u30d4\u30fc\u30ab\u30fc\\"")
<\/p>\n
\u9ad8\u5468\u6ce2\u518d\u751f\u3092\u652f\u914d\u3059\u308b\u7269\u7406\u7684\u9650\u754c\u306f\u53b3\u3057\u3044\u3082\u306e\u3067\u3059\u3002\u5468\u6ce2\u6570\u304c2\u500d\u306b\u306a\u308b\u3068\u3001\u5fc5\u8981\u306a\u632f\u52d5\u677f\u306e\u52a0\u901f\u5ea6\u306f4\u500d\u306b\u306a\u308b\u305f\u3081\u3001\u6750\u6599\u79d1\u5b66\u304c\u6975\u3081\u3066\u91cd\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u6700\u65b0\u306e\u8a08\u7b97\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u3088\u308a\u3001\u7269\u7406\u7684\u306a\u8a66\u4f5c\u54c1\u304c\u3067\u304d\u308b\u524d\u306b\u3001\u632f\u52d5\u677f\u304c\u5b8c\u5168\u306a\u30d4\u30b9\u30c8\u30f3\u3068\u3057\u3066\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u70b9\u3067\u3042\u308b\u5206\u5272\u632f\u52d5\u30e2\u30fc\u30c9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002Scan-Speak\u3084SB Acoustics\u306a\u3069\u306e\u4e3b\u8981\u30e1\u30fc\u30ab\u30fc\u306f\u73fe\u5728\u3001\u30ec\u30fc\u30b6\u30fc\u5e72\u6e09\u8a08\u3092\u7528\u3044\u3066\u3053\u308c\u3089\u306e\u6b6a\u307f\u3092\u30df\u30af\u30ed\u30f3\u30ec\u30d9\u30eb\u306e\u89e3\u50cf\u5ea6\u3067\u53ef\u8996\u5316\u3057\u3066\u3044\u307e\u3059\u3002\u304b\u3064\u3066\u306f\u7121\u95a2\u4fc2\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u305f20kHz\u3092\u8d85\u3048\u308b\u9ad8\u57df\u518d\u751f\u306e\u8ffd\u6c42\u306f\u3001\u3053\u308c\u3089\u306e\u8d85\u97f3\u6ce2\u304c\u8907\u96d1\u306a\u697d\u66f2\u30d1\u30c3\u30bb\u30fc\u30b8\u306b\u304a\u3051\u308b\u77e5\u899a\u7684\u306a\u5b9a\u4f4d\u611f\u3084\u500d\u97f3\u306e\u8c4a\u304b\u3055\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u3092\u793a\u5506\u3059\u308b\u7814\u7a76\u306b\u3088\u308a\u3001\u65b0\u305f\u306a\u91cd\u8981\u6027\u3092\u5e2f\u3073\u3066\u3044\u307e\u3059\u3002.<\/p>\n
![\"\u30cd\u30aa\u30b8\u30e0\u78c1\u77f3\u30b9\u30d4\u30fc\u30ab\u30fc\"](\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/Neodymium-magnet-speaker.jpg\" "\\"\u30cd\u30aa\u30b8\u30e0\u78c1\u77f3\u30b9\u30d4\u30fc\u30ab\u30fc\\"")
<\/p>\n
\u88681\uff1a2024\u5e74 \u9ad8\u57df\u7528\u632f\u52d5\u677f\u6750\u6599\u6027\u80fd\u6bd4\u8f03<\/strong> 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\u304a\u305d\u3089\u304f\u6700\u3082\u5909\u9769\u7684\u306a\u767a\u5c55\u306f\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u76e3\u8996\u3068\u88dc\u511f\u306e\u7d71\u5408\u3067\u3059\u3002\u30c9\u30e9\u30a4\u30d0\u30fc\u30a2\u30bb\u30f3\u30d6\u30ea\u306b\u57cb\u3081\u8fbc\u307e\u308c\u305fMEMS\uff08\u5fae\u5c0f\u96fb\u6c17\u6a5f\u68b0\u30b7\u30b9\u30c6\u30e0\uff09\u30bb\u30f3\u30b5\u30fc\u306f\u3001\u73fe\u5728\u3001\u30ca\u30ce\u30e1\u30fc\u30c8\u30eb\u7cbe\u5ea6\u3067\u632f\u52d5\u677f\u306e\u4f4d\u7f6e\u3092\u691c\u51fa\u3057\u3001\u88dc\u6b63\u4fe1\u53f7\u3092\u9069\u7528\u3059\u308bDSP\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u4f9b\u7d66\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5b9f\u8cea\u7684\u306b\u97f3\u97ff\u30b5\u30fc\u30dc\u30b7\u30b9\u30c6\u30e0\u304c\u4f5c\u3089\u308c\u307e\u3059\u3002\u3053\u306e\u9589\u30eb\u30fc\u30d7\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u78c1\u6c17\u7684\u975e\u7dda\u5f62\u6027\u3084\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u306e\u4e0d\u898f\u5247\u6027\u306b\u3088\u308b\u6b6a\u307f\u3092\u5287\u7684\u306b\u4f4e\u6e1b\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u4ed8\u52a0\u88fd\u9020\u306b\u3088\u308a\u3001\u4f4d\u76f8\u88dc\u6b63\u56de\u6298\u683c\u5b50\u3084\u3001\u8868\u9762\u7a4d\u5168\u4f53\u3067\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u304c\u5909\u5316\u3059\u308b\u50be\u659c\u5bc6\u5ea6\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u90e8\u54c1\u306a\u3069\u3001\u5f93\u6765\u306e\u5de5\u5177\u3067\u306f\u4e0d\u53ef\u80fd\u306a\u5f62\u72b6\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n 2030\u5e74\u306e\u5730\u5e73\u7dda\u3092\u898b\u636e\u3048\u308b\u3068\u3001\u6a5f\u68b0\u7684\u30b9\u30c8\u30ec\u30b9\u4e0b\u3067\u96fb\u6c17\u62b5\u6297\u304c\u5909\u5316\u3059\u308b\u91cf\u5b50\u30c8\u30f3\u30cd\u30eb\u8907\u5408\u6750\u6599\u3078\u306e\u521d\u671f\u306e\u7814\u7a76\u304c\u89b3\u5bdf\u3055\u308c\u3066\u304a\u308a\u3001\u30c8\u30e9\u30f3\u30b9\u30c7\u30e5\u30fc\u30b5\u30fc\u3001\u30a2\u30f3\u30d7\u3001\u30af\u30ed\u30b9\u30aa\u30fc\u30d0\u30fc\u3092\u540c\u6642\u306b\u517c\u306d\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u751f\u307e\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u5546\u696d\u5316\u306b\u306f\u7a0b\u9060\u3044\u3082\u306e\u306e\u3001\u3053\u308c\u3089\u306e\u63a2\u6c42\u306f\u9ad8\u57df\u8a2d\u8a08\u306e\u6839\u672c\u7684\u306a\u771f\u5b9f\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u5b8c\u74a7\u306a\u97f3\u97ff\u518d\u751f\u306e\u8ffd\u6c42\u306f\u3001\u7269\u7406\u5b66\u3001\u6750\u6599\u79d1\u5b66\u3001\u77e5\u899a\u5fc3\u7406\u5b66\u306e\u6700\u3082\u6280\u8853\u7684\u306b\u8981\u6c42\u304c\u53b3\u3057\u304f\u3001\u5275\u9020\u7684\u306b\u3084\u308a\u304c\u3044\u306e\u3042\u308b\u4ea4\u5dee\u70b9\u306e\u4e00\u3064\u3067\u3042\u308a\u7d9a\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002.<\/p>\n Q\uff1a\u4eba\u9593\u306e\u53ef\u8074\u9650\u754c\u3092\u8003\u616e\u3059\u308b\u3068\u300120kHz\u3092\u8d85\u3048\u308b\u9ad8\u57df\u518d\u751f\u306e\u62e1\u5f35\u306f\u3069\u306e\u7a0b\u5ea6\u91cd\u8981\u3067\u3059\u304b\uff1f<\/strong> Q\uff1a\u5b9f\u969b\u306e\u30ea\u30b9\u30cb\u30f3\u30b0\u74b0\u5883\u306b\u304a\u3044\u3066\u3001\u632f\u52d5\u677f\u6750\u6599\u306e\u9078\u629e\u304c\u5b9f\u7528\u7684\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong> Q\uff1a\u9ad8\u57df\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u3068\u4ed6\u306e\u30b7\u30b9\u30c6\u30e0\u8981\u7d20\u9593\u306e\u30bf\u30a4\u30e0\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306f\u3069\u306e\u7a0b\u5ea6\u91cd\u8981\u3067\u3059\u304b\uff1f<\/strong> Q\uff1a\u9ad8\u57df\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u54c1\u8cea\u8a55\u4fa1\u306b\u304a\u3044\u3066\u3001\u6b6a\u307f\u6e2c\u5b9a\u624b\u6cd5\u306f\u3069\u306e\u3088\u3046\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u304b\uff1f<\/strong> Q\uff1a\u5c0e\u6ce2\u7ba1\u306f\u5e38\u306b\u9ad8\u57df\u8a2d\u8a08\u306b\u304a\u3044\u3066\u6709\u76ca\u3067\u3059\u304b\uff1f<\/strong> Q\uff1aAI\u3068\u6a5f\u68b0\u5b66\u7fd2\u306f\u5c06\u6765\u306e\u9ad8\u57df\u7528\u30c9\u30e9\u30a4\u30d0\u30fc\u958b\u767a\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b\uff1f<\/strong> The Science of High-Frequency Sound Reproduction High-frequency speaker design represents one of the most nuanced challenges in audio engineering, demanding precision that borders on artistry. Operating typically between 2,000 Hz and 20,000 Hz (the upper threshold of human hearing), these transducers are responsible for reproducing harmonics, spatial cues, and the delicate textures that define audio realism. Unlike low-frequency drivers that move air through displacement, high-frequency drivers operate through acceleration\u2014requiring diaphragms that are both incredibly stiff and exceptionally light. The most advanced designs in 2024 utilize composite materials like beryllium, diamond-coated aluminum, or advanced polymers such as polyetherimide, each offering distinct trade-offs between rigidity, damping properties, and mass reduction. The physical […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9414","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9414","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/comments?post=9414"}],"version-history":[{"count":1,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9414\/revisions"}],"predecessor-version":[{"id":9415,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/posts\/9414\/revisions\/9415"}],"wp:attachment":[{"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/media?parent=9414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/categories?post=9414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zehsm.com\/ja\/wp-json\/wp\/v2\/tags?post=9414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n| \u6750\u6599 | \u5bc6\u5ea6 (g\/cm\u00b3) | \u97f3\u901f (m\/s) | \u81ea\u5df1\u5236\u52d5\u6027 | \u4e3b\u306a\u7528\u9014 |
\n|\u2014\u2014\u2014-|\u2014\u2014\u2014\u2014\u2014\u2014|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014|
\n| \u30d9\u30ea\u30ea\u30a6\u30e0 | 1.85 | 12,900 | \u4f4e | \u30cf\u30a4\u30a8\u30f3\u30c9\u30b9\u30bf\u30b8\u30aa\u30e2\u30cb\u30bf\u30fc |
\n| \u30a2\u30eb\u30df\u30cb\u30a6\u30e0 | 2.70 | 6,320 | \u975e\u5e38\u306b\u4f4e | \u30d7\u30ed\u30aa\u30fc\u30c7\u30a3\u30aa\u7528\u30b3\u30f3\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u30c9\u30e9\u30a4\u30d0\u30fc |
\n| \u30c1\u30bf\u30f3 | 4.51 | 6,100 | \u4f4e | \u9ad8\u51fa\u529bPA\u30b7\u30b9\u30c6\u30e0 |
\n| \u30b7\u30eb\u30af\u30c6\u30ad\u30b9\u30bf\u30a4\u30eb | 1.30 | 1,200 | \u975e\u5e38\u306b\u9ad8 | Hi-Fi\u7528\u30c9\u30fc\u30e0\u30c4\u30a4\u30fc\u30bf\u30fc |
\n| AMT\uff08\u30a8\u30a2\u30e2\u30fc\u30b7\u30e7\u30f3\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30de\u30fc\uff09 | N\/A | N\/A | \u4e2d | \u9ad8\u52b9\u7387\u30b7\u30b9\u30c6\u30e0 |<\/p>\n\u91cd\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5c0e\u6ce2\u7ba1\u7d71\u5408<\/h2>\n
\u88fd\u9020\u7cbe\u5ea6\u3068\u6e2c\u5b9a\u691c\u8a3c<\/h2>\n
\n| \u30c9\u30e9\u30a4\u30d0\u30fc\u30bf\u30a4\u30d7 | \u6a19\u6e96\u611f\u5ea6 | \u4f7f\u7528\u53ef\u80fd\u7bc4\u56f2 | \u6b6a\u307f\uff083\u6b21\u9ad8\u8abf\u6ce2\uff09@90dB | \u8a31\u5bb9\u5165\u529b |
\n|\u2014\u2014\u2014\u2014-|\u2014\u2014\u2014\u2014\u2014\u2014\u2014|\u2014\u2014\u2014\u2014\u2013|\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014-|\u2014\u2014\u2014\u2014\u2014-|
\n| \u30c9\u30fc\u30e0\u30c4\u30a4\u30fc\u30bf\u30fc\uff0828mm\u30b7\u30eb\u30af\uff09 | 89 dB | 1.8k-25k Hz | 0.8% @ 10kHz | 50W RMS |
\n| \u30b3\u30f3\u30d7\u30ec\u30c3\u30b7\u30e7\u30f3\u30c9\u30e9\u30a4\u30d0\u30fc\uff08\u30d9\u30ea\u30ea\u30a6\u30e0\uff09 | 110 dB | 800-20k Hz | 0.3% @ 10kHz | 100W RMS |
\n| \u30ea\u30dc\u30f3\u30c8\u30e9\u30f3\u30b9\u30c7\u30e5\u30fc\u30b5\u30fc | 95 dB | 2.5k-40k Hz | 0.5% @ 10kHz | 30W RMS |
\n| AMT\u30c4\u30a4\u30fc\u30bf\u30fc | 92 dB | 1.5k-25k Hz | 0.4% @ 10kHz | 80W RMS |
\n| \u30d7\u30e9\u30ba\u30de\u30c4\u30a4\u30fc\u30bf\u30fc | 78 dB | 500-150k Hz | 0.05% @ 10kHz | 15W RMS |<\/p>\n\u5148\u9032\u6280\u8853\u3068\u5c06\u6765\u306e\u5c55\u671b<\/h2>\n
\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30ebQ&A\uff1a\u9ad8\u57df\u8a2d\u8a08\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/h2>\n
\nA\uff1a\u7d14\u97f3\u306e\u77e5\u899a\u306b\u95a2\u3059\u308b\u5f93\u6765\u306e20kHz\u4e0a\u9650\u306f\u6709\u52b9\u3067\u3059\u304c\u3001Audio Engineering Society\u306e\u7814\u7a76\uff08AES Paper 10064, 2023\uff09\u306f\u3001\u8d85\u97f3\u6ce2\u6210\u5206\u304c\u53ef\u8074\u7bc4\u56f2\u5185\u306e\u76f8\u4e92\u5909\u8abf\u7a4d\u3001\u7279\u306b\u8907\u96d1\u306a\u904e\u6e21\u4fe1\u53f7\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u591a\u304f\u306e\u30c7\u30b8\u30bf\u30eb\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3084\u30de\u30a4\u30af\u306f20kHz\u3092\u8d85\u3048\u308b\u60c5\u5831\u3092\u6355\u6349\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u60c5\u5831\u306e\u9069\u5207\u306a\u518d\u751f\u306f\u53ef\u8074\u30b9\u30da\u30af\u30c8\u30eb\u5185\u306e\u4f4d\u76f8\u30b3\u30d2\u30fc\u30ec\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u73fe\u5728\u3001\u307b\u3068\u3093\u3069\u306e\u30cf\u30a4\u30a8\u30f3\u30c9\u8a2d\u8a08\u306f\u3001\u76f4\u63a5\u7684\u306a\u53ef\u8074\u6027\u3088\u308a\u3082\u6280\u8853\u7684\u306a\u5b8c\u5168\u6027\u306e\u305f\u3081\u306b\u3001\u5c11\u306a\u304f\u3068\u308240kHz\u306e\u5fdc\u7b54\u3092\u76ee\u6a19\u3068\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n
\nA\uff1a\u6750\u6599\u306e\u9078\u629e\u306f\u3001\u4e3b\u306b\u5206\u5272\u632f\u52d5\u30e2\u30fc\u30c9\u306e\u6319\u52d5\u3068\u904e\u6e21\u5fdc\u7b54\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u30d9\u30ea\u30ea\u30a6\u30e0\u306e\u512a\u308c\u305f\u525b\u6027\u5bfe\u91cd\u91cf\u6bd4\u306f\u3001\u9069\u5207\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5b9f\u88c5\u306b\u304a\u3044\u3066\u5206\u5272\u632f\u52d5\u30ce\u30fc\u30c9\u309230kHz\u4ee5\u4e0a\u306b\u62bc\u3057\u4e0a\u3052\u3001\u53ef\u8074\u7bc4\u56f2\u5168\u4f53\u3067\u30d4\u30b9\u30c8\u30f3\u52d5\u4f5c\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u8907\u96d1\u306a\u30d1\u30c3\u30bb\u30fc\u30b8\u4e2d\u306e\u4f4e\u6b6a\u307f\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u97f3\u97ff\u51e6\u7406\u304c\u65bd\u3055\u308c\u305f\u4f4f\u5b85\u74b0\u5883\u3067\u306f\u3001\u512a\u308c\u305f\u81ea\u5df1\u5236\u52d5\u6027\u3092\u6301\u3064\u9069\u5207\u306b\u5b9f\u88c5\u3055\u308c\u305f\u30b7\u30eb\u30af\u30c9\u30fc\u30e0\u8a2d\u8a08\u306f\u3001\u6280\u8853\u7684\u306a\u62e1\u5f35\u6027\u304c\u4f4e\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u4e3b\u89b3\u7684\u306b\u3088\u308a\u6ed1\u3089\u304b\u306a\u5fdc\u7b54\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n
\nA\uff1a\u6b63\u78ba\u306a\u30a4\u30e1\u30fc\u30b8\u30f3\u30b0\u306b\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u308f\u305a\u304b0.1ms\uff08\u7d043.4cm\u306e\u97f3\u97ff\u7d4c\u8def\u5dee\uff09\u306e\u305a\u308c\u3067\u3082\u30011kHz\u4ee5\u4e0a\u3067\u6e2c\u5b9a\u53ef\u80fd\u306a\u30b3\u30e0\u30d5\u30a3\u30eb\u30bf\u30fc\u52b9\u679c\u3092\u751f\u307f\u51fa\u3057\u3001\u97f3\u8272\u30d0\u30e9\u30f3\u30b9\u3068\u97f3\u6e90\u5b9a\u4f4d\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6700\u65b0\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u306f\u3001\u30af\u30ed\u30b9\u30aa\u30fc\u30d0\u30fc\u8a2d\u8a08\u306b\u304a\u3051\u308b\u7269\u7406\u7684\u306a\u30c9\u30e9\u30a4\u30d0\u30fc\u30aa\u30d5\u30bb\u30c3\u30c8\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308bDSP\u30d9\u30fc\u30b9\u306e\u9045\u5ef6\u88dc\u6b63\u3001\u307e\u305f\u306f\u540c\u8ef8\u914d\u7f6e\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6700\u65b0\u4e16\u4ee3\u306e\u30b9\u30bf\u30b8\u30aa\u30e2\u30cb\u30bf\u30fc\u306f\u3001\u30b5\u30d6\u30b5\u30f3\u30d7\u30eb\u30bf\u30a4\u30df\u30f3\u30b0\u5206\u89e3\u80fd\u3092\u6301\u3064FPGA\u30d9\u30fc\u30b9\u306e\u51e6\u7406\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ea\u30b9\u30cb\u30f3\u30b0\u30d5\u30a3\u30fc\u30eb\u30c9\u5168\u4f53\u3067\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>\n
\nA\uff1a\u5f93\u6765\u306eTHD\u6e2c\u5b9a\u3067\u306f\u3001\u77e5\u899a\u7684\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3092\u6349\u3048\u304d\u308c\u306a\u3044\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30de\u30eb\u30c1\u30c8\u30fc\u30f3\u30c6\u30b9\u30c8\u3084\u76f8\u4e92\u5909\u8abf\u6b6a\u307f\u6e2c\u5b9a\uff08CCIF\u3084DIM\u30c6\u30b9\u30c8\u306a\u3069\uff09\u306f\u3001\u8907\u96d1\u306a\u4fe1\u53f7\u306e\u554f\u984c\u3092\u3088\u308a\u3088\u304f\u660e\u3089\u304b\u306b\u3057\u307e\u3059\u3002\u6700\u3082\u5148\u9032\u7684\u306a\u30e1\u30fc\u30ab\u30fc\u306f\u73fe\u5728\u3001\u5468\u6ce2\u6570\u3068\u6642\u9593\u306b\u540c\u6642\u306b\u95a2\u9023\u3059\u308b\u6b6a\u307f\u3092\u793a\u3059\u30a6\u30a7\u30fc\u30d6\u30ec\u30c3\u30c8\u30d9\u30fc\u30b9\u306e\u5206\u6790\u3092\u542b\u3081\u3066\u304a\u308a\u3001\u7279\u5b9a\u306e\u904e\u6e21\u4fe1\u53f7\u4e2d\u306b\u306e\u307f\u767a\u751f\u3059\u308b\u554f\u984c\u3092\u7279\u5b9a\u3057\u307e\u3059\u30020.2%\u306eTHD\u3092\u6e2c\u5b9a\u3059\u308b\u30c9\u30e9\u30a4\u30d0\u30fc\u3067\u3082\u3001\u7279\u5b9a\u306e\u97f3\u697d\u30d4\u30fc\u30af\u3067\u306f2%\u306e\u6b6a\u307f\u3092\u793a\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u3053\u308c\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u306e\u306f\u9ad8\u5ea6\u306a\u30c6\u30b9\u30c8\u306e\u307f\u3067\u3059\u3002.<\/p>\n
\nA\uff1a\u666e\u904d\u7684\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5c0e\u6ce2\u7ba1\u306f\u6307\u5411\u6027\u5236\u5fa1\u3092\u6539\u5584\u3057\u611f\u5ea6\u3092\u9ad8\u3081\u308b\u4e00\u65b9\u3067\u3001\u8a2d\u8a08\u304c\u4e0d\u9069\u5207\u306a\u5834\u5408\u3001\u53cd\u5c04\u3084\u56de\u6298\u30a2\u30fc\u30c6\u30a3\u30d5\u30a1\u30af\u30c8\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002\u6700\u9069\u306a\u8a2d\u8a08\u306f\u7528\u9014\u306b\u5b8c\u5168\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4e00\u5b9a\u6307\u5411\u6027\u5c0e\u6ce2\u7ba1\u306f\u3001\u30ea\u30b9\u30cb\u30f3\u30b0\u30dd\u30b8\u30b7\u30e7\u30f3\u9593\u3067\u4e00\u8cab\u3057\u305f\u97f3\u8272\u304c\u91cd\u8981\u306a\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306b\u512a\u308c\u3001\u4e00\u65b9\u3001\u30df\u30cb\u30de\u30eb\u306a\u8a2d\u8a08\u306f\u5358\u4e00\u30ea\u30b9\u30ca\u30fc\u74b0\u5883\u306b\u304a\u3044\u3066\u512a\u308c\u305f\u8ef8\u4e0a\u5fdc\u7b54\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002CFD\u6700\u9069\u5316\u5c0e\u6ce2\u7ba1\u3078\u306e\u73fe\u5728\u306e\u30c8\u30ec\u30f3\u30c9\u306f\u6700\u826f\u306e\u59a5\u5354\u70b9\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u5305\u62ec\u7684\u306a\u7121\u97ff\u5ba4\u6e2c\u5b9a\u306b\u4ee3\u308f\u308b\u3082\u306e\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n
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