{"id":722,"date":"2007-05-24T11:56:00","date_gmt":"2007-05-24T02:56:00","guid":{"rendered":"http:\/\/audiodesign.co.jp\/blog\/?p=722"},"modified":"2021-11-19T10:09:45","modified_gmt":"2021-11-19T01:09:45","slug":"%e3%82%ab%e3%82%bf%e3%83%ad%e3%82%b0%e3%82%b9%e3%83%9a%e3%83%83%e3%82%af%e3%81%ae%e8%a6%8b%e6%96%b9%ef%bc%8d%e3%83%97%e3%83%aa%e3%82%a2%e3%83%b3%e3%83%97%e3%81%aesn%e6%af%94%e7%b7%a8","status":"publish","type":"post","link":"https:\/\/audiodesign.co.jp\/blog\/?p=722","title":{"rendered":"\u30ab\u30bf\u30ed\u30b0\u30b9\u30da\u30c3\u30af\u306e\u898b\u65b9\uff0d\u201d\u30d7\u30ea\u30a2\u30f3\u30d7\u306eSN\u6bd4\u201d\u7de8\uff0d"},"content":{"rendered":"

\u306f\u3058\u3081\u306b<\/h2>\n

\u30d7\u30ea\u30a2\u30f3\u30d7\u306e\u7279\u6027\u3092\u793a\u3059\u6027\u80fd\u306e\u4e00\u3064\u306bSN\u6bd4\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u30ce\u30a4\u30ba\u3068\u4fe1\u53f7\u306e\u6bd4\u3092\u8868\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u6700\u8fd1\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u30a2\u30f3\u30d7\u306b\u304a\u3044\u3066\u306f\u30a4\u30b3\u30e9\u30a4\u30b6\u30a2\u30f3\u30d7\u3084\u30ec\u30b3\u30fc\u30c9\u306e\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u7528\u306e\u30d8\u30c3\u30c9\u30a2\u30f3\u30d7\u3092\u9664\u3051\u3070\u3001\u30ce\u30a4\u30ba\u306a\u3069\u8074\u3053\u3048\u306a\u3044\u306e\u304c\u5f53\u305f\u308a\u524d\u3067\u3059\u306e\u3067\u91cd\u8981\u8996\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u5f0a\u793e\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u3092\u8cfc\u5165\u3055\u308c\u305f\u65b9\u304b\u3089\u3088\u304f\u30a2\u30f3\u30d7\u306eSN\u6bd4\u304c\u826f\u3044\u3068\u3044\u308f\u308c\u308b\u306e\u3067\u3001\u8abf\u3079\u3066\u307f\u308b\u3068\u5e02\u8ca9\u306e\u30a2\u30f3\u30d7\u306eSN\u6bd4\u306e\u8868\u793a\u306b\u306f\u6545\u610f\u306b\u826f\u304f\u898b\u305b\u304b\u3051\u3066\u3044\u308b\u3082\u306e\u3084\u3001\u96fb\u5b50\u5de5\u5b66\u7684\u306b\u8003\u3048\u3066\u7406\u89e3\u3067\u304d\u306a\u3044\u3082\u306e\u304c\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u306e\u3067\u3001\u3053\u3053\u3067\u5c11\u3057\u89e3\u8aac\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u672c\u6765\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u30a2\u30f3\u30d7\u306b\u304a\u3044\u3066\u306f\uff08EQ\u30a2\u30f3\u30d7\u30d8\u30c3\u30c9\u30a2\u30f3\u30d7\u3092\u9664\u304d\uff09\u5b9f\u7528\u4e0a\u554f\u984c\u306b\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u6027\u80fd\u3068\u3057\u3066\u8b70\u8ad6\u3059\u308b\u5fc5\u8981\u3082\u7121\u3044\u306e\u3067\u3059\u304c\u3001\u9006\u306b\u3053\u306e\u8fba\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u30ab\u30bf\u30ed\u30b0\u306e\u30b9\u30da\u30c3\u30af\u3092\u898b\u308c\u3070\u30a2\u30f3\u30d7\u306e\u5f31\u70b9\u3084\u30e1\u30fc\u30ab\u30fc\u304c\u3069\u3046\u3044\u3046\u614b\u5ea6\u3067\u63a5\u3057\u3066\u3044\u308b\u304b\u304c\u63a8\u6e2c\u3067\u304d\u307e\u3059\uff08\u8a87\u5927\u5e83\u544a\u3092\u898b\u7834\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff09\u3002<\/p>\n

 <\/p>\n

SN\u6bd4\u306e\u5b9a\u7fa9<\/h2>\n

 <\/p>\n

SN\u6bd4\u306e\u5b9a\u7fa9\u305d\u306e\u3082\u306e\u306f\u7c21\u5358\u3067\u3059\u3002\u4fe1\u53f7\uff08S\uff09\u3068\u30ce\u30a4\u30ba\uff08N\uff09\u306e\u6bd4\u3092\u5bfe\u6570\u3067\u8868\u3057\u307e\u3059\u3002
\n\u30fb SN\u6bd4=20LOG\uff08S\/N\uff09
\nS\u3068N\u306e\u5358\u4f4d\u306fVolt\u3067\u3059\u3002\u5bfe\u6570\u306f\u5e95\u304c10\u306b\u306a\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070SN\u6bd480dB\u30671\u4e07\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u4fe1\u53f7\u3068\u30ce\u30a4\u30ba\u306e\u8a2d\u5b9a\u5024\u3001\u6e2c\u5b9a\u6cd5\u306b\u3088\u3063\u306620-40dB\u4f4d\u5dee\u304c\u51fa\u3066\u304d\u307e\u3059\u306e\u3067\u3001\u5b9f\u969b\u306b\u306f\u30a2\u30f3\u30d7\u306e\u6027\u80fd\u3092\u8868\u3057\u3066\u3044\u308b\u3088\u308a\u3082\u3001\u3069\u308c\u3060\u3051\u826f\u304f\u898b\u305b\u305f\u3044\u304b\uff08\u826f\u304f\u898b\u305b\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u304b\uff09\u3092\u8868\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u3002\u305d\u308c\u3067\u306f\u5b9f\u969b\u306b\u5404\u7a2e\u306e\u6e2c\u5b9a\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n

 <\/p>\n

\u30ce\u30a4\u30ba\u306e\u6e2c\u5b9a\u65b9\u6cd5<\/h2>\n

 <\/p>\n

SN\u6bd4\u306e\u6e2c\u5b9a\u7d50\u679c\u3092\u8b70\u8ad6\u3059\u308b\u305f\u3081\u306b\u307e\u305a\u6b8b\u7559\u30ce\u30a4\u30ba\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u30ce\u30a4\u30ba\u306e\u6e2c\u5b9a\u81ea\u4f53\u306f\u7c21\u5358\u3067\u3059\u3002\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u306b\u96fb\u5b50\u96fb\u5727\u8a08\u3092\u3064\u306a\u3050\u3060\u3051\u3067\u3059\u3002\u30a2\u30f3\u30d7\u5165\u529b\u306f\u901a\u5e38\u30b7\u30e7\u30fc\u30c8\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30ca\u30e9\u30a4\u30b6\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u30a2\u30f3\u30d7\u306e\u51fa\u529b\u3092\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u306e\u5165\u529b\u306b\u5165\u308c\u3001\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u306e\u51fa\u529b\u3092\u30a2\u30f3\u30d7\u5165\u529b\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002SN\u6e2c\u5b9a\u6642\u306f\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u306e\u767a\u632f\u5668\u51fa\u529b\u304c\u30bc\u30ed\u306b\u306a\u308a\u5b9f\u8cea\u7684\u306b\u30a2\u30f3\u30d7\u3092600\u03a9\u3067\u77ed\u7d61\u3057\u305f\u72b6\u614b\u3067\u6b8b\u7559\u30ce\u30a4\u30ba\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u305f\u3060\u6b8b\u7559\u30ce\u30a4\u30ba\uff08SN\u6bd4\uff09\u6e2c\u5b9a\u6642\u306b\u306f\u4ee5\u4e0b\u306e2\u70b9\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002
\n\u30fb\u6e2c\u5b9a\u6642\u306e\u30d5\u30a3\u30eb\u30bf\u30fc\u306e\u6709\u7121
\n\u30fb\u6e2c\u5b9a\u7cfb\uff08\u96fb\u5b50\u96fb\u5727\u8a08\uff09\u306e\u5e2f\u57df\u5e45B\uff08\u5468\u6ce2\u6570\u7279\u6027\uff09\u3002SN\u6bd4\u306e\u6e2c\u5b9a\u306b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u304b\u3051\u308b\u3053\u3068\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u306b\u8a73\u3057\u3044\u65b9\u306a\u3089\u3054\u5b58\u77e5\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u5b9f\u306f\u6e2c\u5b9a\u5668\u306e\u5e2f\u57df\u5e45\u3082\u5927\u3044\u306b\u95a2\u4fc2\u3057\u307e\u3059\u3002\u4e00\u822c\u306b\u30a2\u30f3\u30d7\u306e\u30ce\u30a4\u30ba\u306e\u30b9\u30da\u30af\u30c8\u30eb\u306f\u30cf\u30e0\u3092\u9664\u3051\u3070\uff08\u534a\u5c0e\u4f53\u30a2\u30f3\u30d7\u3067\u306f\u30cf\u30e0\u304c\u7121\u3044\u306e\u304c\u5f53\u305f\u308a\u524d\u306a\u306e\u3067\uff09\u3001\u30ce\u30a4\u30ba\u96fb\u5727\u3068\u3057\u3066\u6e2c\u5b9a\u3055\u308c\u308b\u306e\u306f\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u6210\u5206\u3067\u3059\u3002\u3059\u306a\u308f\u3061\u3059\u3079\u3066\u306e\u5468\u6ce2\u6570\u3067\u4e00\u5b9a\u306e\u632f\u5e45\u306e\u30ce\u30a4\u30ba\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u767a\u751f\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3066\u826f\u3044\u306e\u3067\u3059\u3002\u6e2c\u5b9a\u7cfb\u306e\u5e2f\u57df\u304c\u5e83\u3051\u308c\u3070\u5e83\u3044\u307b\u3069\u30ce\u30a4\u30ba\u6210\u5206\u306f\u5927\u304d\u304f\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u62b5\u6297\u304b\u3089\u767a\u751f\u3059\u308b\u71b1\u96d1\u97f3\uff08\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\uff09\u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u8868\u3055\u308c\u307e\u3059\u3002
\nVn\uff1d\u221a\uff084\uff4bTBR\uff09
\n\u30db\u30ef\u30a4\u30c8\u30ce\u30a4\u30ba\u306f\uff084KTBR)\u306e\u30eb\u30fc\u30c8\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002K\u306f\u30dc\u30eb\u30c4\u30de\u30f3\u5b9a\u6570\u3001T\u306f\u7d76\u5bfe\u6e29\u5ea6\u3001R\u306f\u62b5\u6297\u5024\u3001B\u304c\u6e2c\u5b9a\u7cfb\u306e\u5e2f\u57df\u5e45\u3067\u3059\u3002\u30a2\u30f3\u30d7\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u62b5\u6297\u306e\u5024\u304c100\u500d\u306b\u306a\u308c\u3070\u30ce\u30a4\u30ba\u306f10\u500d\u306b\u3001\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u96fb\u5727\u8a08\u306e\u5e2f\u57df\u304c100\u500d\u306b\u306a\u308c\u3070\u30ce\u30a4\u30ba\u306f10\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u96fb\u5b50\u96fb\u5727\u8a08\u306e\u5e2f\u57df\u306f\u901a\u5e38\u6570MHz\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u306e\u96fb\u5727\u8a08\u90e8\u5e2f\u57df\u3082500KHz\uff08VP-7723A\uff09\u306a\u306e\u3067\u3001\u305f\u3044\u3057\u3066\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u554f\u984c\u306f\u610f\u56f3\u7684\u306b20KH\uff5a\u4ee5\u4e0a\u3092\u30ab\u30c3\u30c8\u3057\u3066\u6e2c\u5b9a\u3057\u3066\u3044\u308b\uff08\u8868\u793a\u3057\u3066\u3044\u308b\uff09\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3053\u3068\u3067\u3059\u3002\u305d\u306e\u5834\u5408\u306fSN\u6bd4\u304c15-20\uff44\u4f4d\u826f\u304f\u898b\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n

 <\/p>\n

\u6b8b\u7559\u30ce\u30a4\u30ba\u306e\u5b9f\u6e2c\u5024<\/h2>\n

 <\/p>\n

\u6b21\u306b\u5b9f\u969b\u306b\u30a2\u30f3\u30d7\u306e\u6b8b\u7559\u30ce\u30a4\u30ba\u306e\u6e2c\u5b9a\u7d50\u679c\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u6e2c\u5b9a\u306b\u4f7f\u7528\u3057\u305f\u306e\u306f\u5f0a\u793e\u306e\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u3092\u691c\u67fb\u7528\u306e\u30b1\u30fc\u30b9\uff08\u30d7\u30ea\u30a2\u30f3\u30d7\u3068\u307b\u307c\u540c\u3058\uff09\u306b\u53ce\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u6e2c\u5b9a\u306b\u306f\u30aa\u30fc\u30c7\u30a3\u30aa\u30a2\u30ca\u30e9\u30a4\u30b6\u30fcVP7723A\uff08\u5404\u7a2e\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u5185\u8535\u3057\u3066\u3044\u308b\uff09\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30a2\u30f3\u30d7\u306e\u5165\u529b\u306f\u30b7\u30e7\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n
\u6e2c\u5b9a\u6761\u4ef6<\/th>\n\u6e2c\u5b9a\u5024<\/th>\n\u30b3\u30e1\u30f3\u30c8<\/th>\n<\/tr>\n
\u30d5\u30a3\u30eb\u30bf\u30fc\u306a\u3057<\/td>\n23.7uV<\/td>\nFlat\u3001Unweighted\u3068\u540c\u3058\u3067\u3059(B=500KHz\uff09<\/td>\n<\/tr>\n
\u30d5\u30a3\u30eb\u30bf\u30fcA
\nIHF-A<\/td>\n		3.9uV<\/td>\n\u304b\u306a\u308a\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059<\/td>\n<\/tr>\n
20-20KHz<\/td>\n4.9uV<\/td>\n\u3053\u308c\u3082\u304b\u306a\u308a\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059
\n\uff08\u5b9f\u969b\u306b\u306f20KHz\u4ee5\u4e0a\u306e\u307f\u30ab\u30c3\u30c8\u3057\u3066\u3044\u307e\u3059\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u5f53\u7136\u306e\u4e8b\u306a\u304c\u308920KHz\u307e\u3067\u306b\u5e2f\u57df\u3092\u5236\u9650\u3057\u305f\u3082\u306e\u306f\u30ce\u30a4\u30ba\u304c\u304b\u306a\u308a\u5c0f\u3055\u304f\u6e2c\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u6b21\u306b\u3053\u308c\u3089\u306e\u6e2c\u5b9a\u7d50\u679c\u3092\u5143\u306bSN\u6bd4\u3092\u8272\u3005\u306a\u8868\u73fe\u65b9\u6cd5\u3067\u8868\u8a18\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n
\u6574\u7406\u756a\u53f7\/SN\u6bd4<\/th>\n\u4fe1\u53f7\u30ec\u30d9\u30eb<\/th>\n\u30ce\u30a4\u30ba\u30ec\u30d9\u30eb<\/th>\n\u30b3\u30e1\u30f3\u30c8<\/th>\n<\/tr>\n
\u246092.5dB<\/td>\n1V<\/td>\n23.7uV<\/td>\n\u30d5\u30a3\u30eb\u30bf\u30fc\u306a\u3057\u3001\u6a19\u6e96\u7684\u304b\u3064\u6700\u3082\u60aa\u304f\u898b\u3048\u308b\u8868\u793a\u6cd5<\/td>\n<\/tr>\n
\u2461108.2dB<\/td>\n1V<\/td>\n3.9uV<\/td>\nIHF-A\u3001\u3053\u308c\u3082\u826f\u304f\u4f7f\u308f\u308c\u308b\u8868\u793a\u3067\u3059<\/td>\n<\/tr>\n
\u2462106.2dB<\/td>\n1V<\/td>\n4.9uV<\/td>\n20-20KH\uff5a,\u6d77\u5916\u88fd\u54c1\u306b\u826f\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8868\u793a
\n\uff08\u4e00\u898b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u3063\u3066\u3044\u306a\u3044\u304b\u306e\u69d8\u306b\u898b\u305b\u308b\u9ad8\u7b49\u30c6\u30af\uff1f\uff09<\/td>\n<\/tr>\n
\u2463118.5dB<\/td>\n20V<\/td>\n23.7uV<\/td>\n\u30d5\u30a3\u30eb\u30bf\u30fc\u306a\u3057\u3001\u6700\u5927\u51fa\u529b\u3092\u57fa\u6e96\u306b\u3057\u305fSN\u8868\u793a<\/td>\n<\/tr>\n
\u2464134.2dB<\/td>\n20V<\/td>\n3.9uV<\/td>\nIHF-A\u3001\u6700\u5927\u51fa\u529b\u3092\u57fa\u6e96\u306b\u3057\u305fSN\u3002\u8868\u793a\u6700\u3082\u826f\u3044\u6570\u5b57\u306b\u306a\u308b<\/td>\n<\/tr>\n
\u2465132.2dB<\/td>\n20V<\/td>\n4.9uV<\/td>\n20-20KH\uff5a,\u6700\u5927\u51fa\u529b\u3092\u57fa\u6e96\u306b\u3057\u305fSN\u3002\u6700\u3082\u8aa4\u89e3\u3092\u62db\u304d\u3084\u3059\u3044\u8868\u793a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u2460\u304b\u3089\u2462\u306f\u51fa\u529b\u30ec\u30d9\u30eb\u3092\uff11V\u3068\u3057\u3066SN\u6bd4\u3092\u7b97\u51fa\u3057\u305f\u3082\u306e\u3067\u3001\u3053\u306e\u69d8\u306b\u51fa\u529b\uff11\uff0d\uff12V\u3092\u57fa\u6e96\u3068\u3057\u3066SN\u6bd4\u3092\u8868\u793a\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u3067\u3057\u305f\u3002\u3068\u3053\u308d\u304c\u6700\u8fd1\u3001\u7279\u306b\u6d77\u5916\u88fd\u54c1\u3001\u3042\u308b\u3044\u306f\u56fd\u5185\u88fd\u306e\u4e00\u90e8\u306b\u6700\u5927\u51fa\u529b\u3092\u57fa\u6e96\u3068\u3057\u3066SN\u6bd4\u3092\u8868\u793a\u3057\u3066\u3044\u308b(\u3042\u308b\u3044\u306f\u305d\u3046\u3068\u3057\u304b\u601d\u3048\u306a\u3044)\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u5f0a\u793e\u306e\u30d5\u30e9\u30c3\u30c8\u30a2\u30f3\u30d7\u306e\u6700\u5927\u51fa\u529b\u306f20Vrms\u3067\u3059\u304b\u3089\u3001\u5358\u7d14\u306b\uff11\u3068\uff12\uff10V\u306e\u6bd4\u3067\u3042\u308b26dB\u5206\u826f\u304f\u306a\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\uff08\u2463-\u2465\uff09\u3002<\/p>\n

\u3053\u306e\u3088\u3046\u306a\u8868\u793a\u304c\u4f7f\u308f\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u7406\u7531\u3068\u3057\u3066\u4ee5\u4e0b\u306e2\u70b9\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002
\n\u30fb\u7279\u306b\u9ad8\u4fa1\u306a\u4fa1\u683c\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u308b\u305f\u3081\u306b\u3001\u30b9\u30da\u30c3\u30af\u3092\u4ed6\u306e\u88fd\u54c1\u3088\u308a\u826f\u304f\u898b\u305b\u305f\u3044\u3002
\n\u30fbLCD\u8868\u793a\u3001\u30c7\u30b8\u30bf\u30eb\u5236\u5fa1\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u969b\u306eSN\u304c\u60aa\u304f\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u898b\u52a3\u308a\u3057\u306a\u3044\u69d8\u306b\u7518\u3044\u6761\u4ef6\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002<\/p>\n

\u2460\u3068\u2465\u306e\u8868\u793a\u3067\u306f\u540c\u3058\u30a2\u30f3\u30d7\u3067\u3082\u5b9f\u306b40dB\u306e\u5dee\u304c\u751f\u3058\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3053\u3046\u3044\u3063\u305f\u88cf\u6280\u3092\u4f7f\u3048\u3070\u4f8b\u3048\u3070\u5b9f\u529b50\uff44B\u306e\u30a2\u30f3\u30d7\u3067\u308290\uff44B\u3068\u8868\u793a\u3067\u304d\u308b\u306e\u3067\u3059\u3002\u307e\u305f\u6761\u4ef6\u306e\u8868\u793a\u306e\u7121\u3044SN\u6bd4\u306f\u307e\u3063\u305f\u304f\u610f\u5473\u304c\u7121\u3044\u306e\u3067\u3059\u304c\u3001\u5b9f\u969b\u306e\u30ab\u30bf\u30ed\u30b0\u306e\u534a\u5206\u3050\u3089\u3044\u306f\u6761\u4ef6\u304c\u7279\u5b9a\u3067\u304d\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n

 <\/p>\n

\u6700\u3082\u60aa\u8cea\u3068\u601d\u3063\u3066\u3044\u308b\u306e\u304c\u2462\u3082\u3057\u304f\u306f\u2465\u306e\u8868\u793a\u3067\u30ab\u30bf\u30ed\u30b0\u306a\u3069\u306b\u306f\u300cUnweighted\/20-20KH\uff5a\u300d\u306a\u3069\u3068\u6761\u4ef6\u304c\u8868\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5468\u6ce2\u6570\u7279\u6027\u306e\u3042\u308b\u30d5\u30a3\u30eb\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u306e\u3067Unweighted\u3068\u3044\u3046\u8868\u8a18\u306f\u6b63\u3057\u3044\u306e\u3067\u3059\u304c20-20KHz\u3068\u3044\u3046\u6761\u4ef6\u304c\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u7d1b\u3089\u308f\u3057\u3044\u306e\u3067\u3059\u300220-20KH\uff5a\u3068\u3044\u3046\u6761\u4ef6\u306f\u53ef\u8074\u5e2f\u57df\u3092\u8868\u3057\u3066\u3044\u308b\u306e\u3067\u4e00\u898b\u5f53\u305f\u308a\u524d\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u3053\u308c\u307e\u3067\u306b\u8ff0\u3079\u305f\u69d8\u306b15\uff44B\u4f4d\u7a3c\u3052\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u3002 Unweighted\u3068\u4f75\u8a18\u3057\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u975e\u5e38\u306b\u3044\u3084\u3089\u3057\u3044\u3067\u3059\u3002\u4e0d\u52d5\u7523\u5e83\u544a\u3067\u8a00\u3048\u3070\u300c\u99c5\u304b\u3089\u8eca\u30675\u5206\u300d\u306e\u3068\u3053\u308d\u3092\u300c\u5f92\u6b69\u570f\u5185\/\u99c5\u304b\u30895\u5206\u300d\u3068\u66f8\u3044\u3066\u3044\u3044\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n

 <\/p>\n

\u7d42\u308f\u308a\u306b<\/h2>\n

\u4ee5\u4e0aSN \u6bd4\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u30ab\u30bf\u30ed\u30b0\u3092\u898b\u308b\u969b\u306b\u306f\u3053\u3046\u3044\u3063\u305f\u77e5\u8b58\u3092\u6301\u3063\u3066\u307f\u308b\u3068\u3001\u88fd\u54c1\u306e\u5b9f\u529b\u3082\u3088\u308a\u6b63\u78ba\u306b\u3064\u304b\u3081\u308b\u69d8\u306b\u306a\u308a\u307e\u3059\u3057\u3001\u30e1\u30fc\u30ab\u30fc\u3042\u308b\u3044\u306f\u8ca9\u58f2\u5e97\u306e\u59ff\u52e2\u3068\u3044\u3063\u305f\u3082\u306e\u304c\u898b\u3048\u3066\u304f\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u306f\u3058\u3081\u306b \u30d7\u30ea\u30a2\u30f3\u30d7\u306e\u7279\u6027\u3092\u793a\u3059\u6027\u80fd\u306e\u4e00\u3064\u306bSN\u6bd4\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u30ce\u30a4\u30ba\u3068\u4fe1\u53f7\u306e\u6bd4\u3092\u8868\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u6700\u8fd1\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u30a2\u30f3\u30d7\u306b\u304a\u3044\u3066\u306f\u30a4\u30b3\u30e9\u30a4\u30b6\u30a2\u30f3\u30d7\u3084\u30ec\u30b3\u30fc\u30c9\u306e\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u7528\u306e\u30d8\u30c3\u30c9\u30a2\u30f3\u30d7\u3092\u9664\u3051\u3070\u3001\u30ce\u30a4\u30ba\u306a … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[24],"tags":[],"class_list":["post-722","post","type-post","status-publish","format-standard","hentry","category-preamp"],"yoast_head":"\n\u30ab\u30bf\u30ed\u30b0\u30b9\u30da\u30c3\u30af\u306e\u898b\u65b9\uff0d\u201d\u30d7\u30ea\u30a2\u30f3\u30d7\u306eSN\u6bd4\u201d\u7de8\uff0d - \u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30b6\u30a4\u30f3\u306e\u30d6\u30ed\u30b0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/audiodesign.co.jp\/blog\/?p=722\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u30ab\u30bf\u30ed\u30b0\u30b9\u30da\u30c3\u30af\u306e\u898b\u65b9\uff0d\u201d\u30d7\u30ea\u30a2\u30f3\u30d7\u306eSN\u6bd4\u201d\u7de8\uff0d - \u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30b6\u30a4\u30f3\u306e\u30d6\u30ed\u30b0\" \/>\n<meta property=\"og:description\" content=\"\u306f\u3058\u3081\u306b \u30d7\u30ea\u30a2\u30f3\u30d7\u306e\u7279\u6027\u3092\u793a\u3059\u6027\u80fd\u306e\u4e00\u3064\u306bSN\u6bd4\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u30ce\u30a4\u30ba\u3068\u4fe1\u53f7\u306e\u6bd4\u3092\u8868\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u304c\u3001\u6700\u8fd1\u306e\u30c8\u30e9\u30f3\u30b8\u30b9\u30bf\u30a2\u30f3\u30d7\u306b\u304a\u3044\u3066\u306f\u30a4\u30b3\u30e9\u30a4\u30b6\u30a2\u30f3\u30d7\u3084\u30ec\u30b3\u30fc\u30c9\u306e\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u7528\u306e\u30d8\u30c3\u30c9\u30a2\u30f3\u30d7\u3092\u9664\u3051\u3070\u3001\u30ce\u30a4\u30ba\u306a … \u7d9a\u304d\u3092\u8aad\u3080 →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/audiodesign.co.jp\/blog\/?p=722\" \/>\n<meta property=\"og:site_name\" content=\"\u30aa\u30fc\u30c7\u30a3\u30aa\u30c7\u30b6\u30a4\u30f3\u306e\u30d6\u30ed\u30b0\" \/>\n<meta property=\"article:published_time\" content=\"2007-05-24T02:56:00+00:00\" \/>\n<meta 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