{"id":215,"date":"2015-12-29T09:33:23","date_gmt":"2015-12-29T09:33:23","guid":{"rendered":"http:\/\/www.sunyuping.cn\/?p=215"},"modified":"2015-12-29T09:33:23","modified_gmt":"2015-12-29T09:33:23","slug":"ios%e5%bc%80%e5%8f%91%e4%b9%8b%e9%9f%b3%e9%a2%91%e5%8f%a3%e9%80%9a%e4%bf%a1-%e9%80%9a%e8%bf%87%e6%96%b9%e6%b3%a2%e6%9d%a5%e6%94%b6%e5%8f%91%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.sunyuping.com\/index.php\/2015\/12\/29\/ios%e5%bc%80%e5%8f%91%e4%b9%8b%e9%9f%b3%e9%a2%91%e5%8f%a3%e9%80%9a%e4%bf%a1-%e9%80%9a%e8%bf%87%e6%96%b9%e6%b3%a2%e6%9d%a5%e6%94%b6%e5%8f%91%e6%95%b0%e6%8d%ae\/","title":{"rendered":"iOS\u5f00\u53d1\u4e4b\u97f3\u9891\u53e3\u901a\u4fe1-\u901a\u8fc7\u65b9\u6ce2\u6765\u6536\u53d1\u6570\u636e"},"content":{"rendered":"<p>\t\t\t\t\u4e00. \u97f3\u9891\u901a\u4fe1\u7b80\u4ecb<br \/>\n\u5927\u5bb6\u5e94\u8be5\u90fd\u77e5\u9053\u652f\u4ed8\u5b9d\u58f0\u6ce2\u652f\u4ed8\u548c\u62c9\u5361\u62c9\u5427\uff0c\u5b83\u4eec\u90fd\u662f\u5229\u7528\u624b\u673a\u7684\u97f3\u9891\u53e3\uff08\u624b\u673a\u8033\u673a\u53e3\uff09\u6765\u5b9e\u73b0\u5168\u53cc\u5de5\u7684\u901a\u4fe1\uff08\u624b\u673a\u4e0e\u8bbe\u5907\u4e4b\u95f4\u7684\u53cc\u5411\u901a\u4fe1\uff09\u3002\u5176\u4f18\u70b9\u662f\u4f4e\u6210\u672c\uff0c\u7f16\u7801\u82af\u7247\u6210\u672c\u4f4e\uff0c\u624b\u673a\u7684 3.5mm \u901a\u4fe1\u63a5\u53e3\u5e7f\u6cdb\u3002<\/p>\n<p>\u4e8c. \u5e02\u573a\u5e94\u7528<br \/>\n\u652f\u4ed8\u5b9d\u58f0\u6ce2\u652f\u4ed8<br \/>\n\u624b\u673a\u5237\u5361\u5668<br \/>\n\u76ae\u80a4\u68c0\u6d4b\u4eea<br \/>\n\u68c0\u6d4b\u5982\u7532\u919b\u3001\u6c14\u538b\u3001\u6e29\u5ea6\u3001\u6e7f\u5ea6\u7b49\u7b49<br \/>\n\u5fc3\u7387\u3001\u8840\u538b\u7b49\u7b49<br \/>\n&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;..<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/1111111.png\" rel=\"attachment wp-att-228\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-228\" src=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/1111111.png\" alt=\"1111111\" width=\"279\" height=\"204\" \/><\/a>\u4e09. \u901a\u4fe1\u539f\u7406<br \/>\n\u624b\u673a\u4e0a\u7528\u7684\u8033\u673a\u5927\u591a\u90fd\u662f3.5mm\u7684\u56db\u82af\u5ea7\uff0c\u5728\u8fd9\u56db\u4e2a\u82af\u4e2d\uff0c\u5206\u522b\u662f\uff1a\u5730\uff08GND\uff09\u3001\u5de6\u58f0\u9053(L)\u3001\u53f3\u58f0\u9053(R)\u548c\u7ebf\u63a7\u5f00\u5173\uff08MIC\uff09\u3002<br \/>\n\u5de6\u53f3\u58f0\u9053\u4f5c\u7528\uff1a\u5411\u5916\u8bbe\u6269\u5c55\u5934\u4f9b\u7535\u548c\u53d1\u9001\u6570\u636e<br \/>\nMIC\u4f5c\u7528\uff1a\u63a5\u6536\u6570\u636e<br \/>\n\u5e02\u573a\u4e0a\u8033\u673a\u4e3b\u8981\u6709\u4e24\u79cd\u6807\u51c6\uff1a\u56fd\u5185\u6807\u51c6\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff09\uff0c\u56fd\u9645\u6807\u51c6\uff08MIC\u548cGND\u548c\u56fd\u5185\u6807\u51c6\u662f\u53cd\u7684\uff0c\u5176\u4ed6\u4e00\u6837\uff09<\/p>\n<div class=\"image-package imagebubble\">\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/22222222.jpeg\" rel=\"attachment wp-att-230\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-230\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/22222222-158x300.jpeg\" alt=\"22222222\" width=\"158\" height=\"300\" \/><\/a><\/p>\n<div class=\"image-caption\">\u56fd\u5185\u6807\u51c6<\/div>\n<\/div>\n<p>\u58f0\u97f3\u6ce2\u5f62\u8c03\u5236\u6709\u8c03\u5e45\uff08AM\uff09\u3001\u8c03\u9891\uff08FM\uff09\u548c\u8c03\u76f8\uff08PM\uff09\u4e09\u79cd\uff0c\u800c\u8c03\u5236\u53c8\u6709\u6a21\u62df\u8c03\u5236\u548c\u6570\u5b57\u8c03\u5236\u4e4b\u5206\u3002(<a href=\"http:\/\/jpkc.nwpu.edu.cn\/jp2005\/09\/main\/multibook\/1\/1-4.htm\" target=\"_blank\" rel=\"noopener noreferrer\">\u6a21\u62df\u8c03\u5236\u548c\u6570\u5b57\u8c03\u5236\u57fa\u672c\u77e5\u8bc6\u53c2\u8003\u6765\u6e90<\/a>)<\/p>\n<p>\u6a21\u62df\u8c03\u5236\uff1a\u8fd9\u79cd\u7f16\u7801\u65b9\u5f0f\u662f\u5c06\u6570\u5b57\u6570\u636e\u8c03\u5236\u6210\u6a21\u62df\u4fe1\u53f7\u8fdb\u884c\u4f20\u8f93\u3002\u901a\u5e38\u91c7\u7528\u4e09\u79cd\u6a21\u62df\u4fe1\u53f7\u7684\u8f7d\u6ce2\u7279\u6027(\u632f\u5e45\u3001\u9891\u7387\u548c\u76f8\u4f4d)\u4e4b\u4e00\u6765\u8868\u793a\u88ab\u8c03\u5236\u7684\u6570\u5b57\u6570\u636e\uff0c\u5e76\u7531\u6b64\u4ea7\u751f\u4e09\u79cd\u57fa\u672c\u8c03\u5236\u65b9\u5f0f\u3002<\/p>\n<div class=\"image-package imagebubble\">\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/333333333.jpg\" rel=\"attachment wp-att-231\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-231\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/333333333-300x206.jpg\" alt=\"333333333\" width=\"300\" height=\"206\" \/><\/a><\/p>\n<div class=\"image-caption\">\u6a21\u62df\u4fe1\u53f7\u4e09\u79cd\u8c03\u5236\u65b9\u5f0f<\/div>\n<\/div>\n<p>(1) \u5e45\u79fb\u952e\u63a7(ASK)\u6cd5<\/p>\n<p>ASK(Amplitude Shift Keying)\u662f\u4f7f\u7528\u8f7d\u6ce2\u9891\u7387\u7684\u4e24\u4e2a\u4e0d\u540c\u632f\u5e45\u6765\u8868\u793a\u4e24\u4e2a\u4e8c\u8fdb\u5236\u503c\u3002\u5728\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u7528\u632f\u5e45\u6052\u5b9a\u8f7d\u6ce2\u7684\u5b58\u5728\u4e0e\u5426\u6765\u8868\u793a\u4e24\u4e2a\u4e8c\u8fdb\u5236\u5b57\u3002ASK\u65b9\u5f0f\u7684\u7f16\u7801\u6548\u7387\u8f83\u4f4e\uff0c\u5bb9\u6613\u53d7\u589e\u76ca\u53d8\u5316\u7684\u5f71\u54cd\uff0c\u6297\u5e72\u6270\u6027\u8f83\u5dee\u3002\u5728\u97f3\u9891\u7535\u8bdd\u7ebf\u8def\u4e0a\uff0c\u4e00\u822c\u53ea\u80fd\u8fbe\u5230 1200 b\/s\u7684\u4f20\u8f93\u901f\u7387\u3002<\/p>\n<p>(2) \u9891\u79fb\u952e\u63a7(FSK)\u6cd5<\/p>\n<p>FSK(Frequency Shift Keying)\u662f\u4f7f\u7528\u8f7d\u6ce2\u9891\u7387\u9644\u8fd1\u7684\u4e24\u4e2a\u4e0d\u540c\u9891\u7387\u6765\u8868\u793a\u4e24\u4e2a\u4e8c\u8fdb\u5236\u503c\u3002FSK\u6bd4ASK\u7684\u7f16\u7801\u6548\u7387\u9ad8\uff0c\u4e0d\u6613\u53d7\u5e72\u6270\u7684\u5f71\u54cd\uff0c\u6297\u5e72\u6270\u6027\u8f83\u5f3a\u3002\u5728\u97f3\u9891\u7535\u8bdd\u7ebf\u8def\u4e0a\u7684\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u5927\u4e8e1 200 b\/s\u3002<\/p>\n<p>(3) \u76f8\u79fb\u952e\u63a7(PSK)\u6cd5<\/p>\n<p>PSK(Phase Shift Keying)\u662f\u4f7f\u7528\u8f7d\u6ce2\u4fe1\u53f7\u7684\u76f8\u4f4d\u79fb\u52a8\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5728PSK\u65b9\u5f0f\u4e2d\uff0c\u4fe1\u53f7\u76f8\u4f4d\u4e0e\u524d\u9762\u4fe1\u53f7\u5e8f\u5217\u540c\u76f8\u4f4d\u7684\u4fe1\u53f7\u8868\u793a 0\uff0c\u4fe1\u53f7\u76f8\u4f4d\u4e0e\u524d\u9762\u4fe1\u53f7\u5e8f\u5217\u53cd\u76f8\u4f4d\u7684\u4fe1\u53f7\u8868\u793a 1\u3002PSK\u65b9\u5f0f\u4e5f\u53ef\u4ee5\u7528\u4e8e\u591a\u76f8\u7684\u8c03\u5236\uff0c\u4f8b\u5982\u5728\u56db\u76f8\u8c03\u5236\u4e2d\u53ef\u628a\u6bcf\u4e2a\u4fe1\u53f7\u5e8f\u5217\u7f16\u7801\u4e3a\u4e24\u4f4d\u3002PSK\u65b9\u5f0f\u5177\u6709\u5f88\u5f3a\u7684\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5176\u7f16\u7801\u6548\u7387\u6bd4FSK\u8fd8\u8981\u9ad8\u3002\u5728\u97f3\u9891\u7ebf\u8def\u4e0a\uff0c\u4f20\u8f93\u901f\u7387\u53ef\u8fbe 9600b\/s\u3002<br \/>\n\u8fd9\u4e9b\u4fe1\u53f7\u8c03\u5236\u6280\u672f\u4e3b\u8981\u7528\u4e8e\u8c03\u5236\u89e3\u8c03\u5668(Modem)\u4e2d\u3002\u5728\u5b9e\u9645\u7684Modem\u4e2d\uff0c\u4e00\u822c\u5c06\u8fd9\u4e9b\u57fa\u672c\u7684\u8c03\u5236\u6280\u672f\u7ec4\u5408\u8d77\u6765\u4f7f\u7528\uff0c\u4ee5\u589e\u5f3a\u6297\u5e72\u6270\u80fd\u529b\u548c\u7f16\u7801\u6548\u7387\u3002\u5e38\u89c1\u7684\u7ec4\u5408\u662fPSK\u548cFSK\u65b9\u5f0f\u7684\u7ec4\u5408\u6216\u8005PSK\u548cASK\u65b9\u5f0f\u7684\u7ec4\u5408\u3002<\/p>\n<p>\u6570\u5b57\u4fe1\u53f7\u7f16\u7801\uff1a \u5bf9\u4e8e\u4f20\u8f93\u6570\u5b57\u4fe1\u53f7\u6765\u8bf4\uff0c\u6700\u7b80\u5355\u7684\u4fe1\u53f7\u7f16\u7801\u65b9\u6cd5\u662f\u7528\u4fe1\u53f7\u7684\u4e24\u4e2a\u4e0d\u540c\u7535\u538b\u503c\u6765\u8868\u793a\u4e24\u4e2a\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u4f8b\u5982\uff0c\u7528\u65e0\u7535\u538b\u6765\u8868\u793a 0\uff0c\u7528\u6052\u5b9a\u7684\u6b63\u7535\u538b\u8868\u793a 1\uff1b\u4e5f\u53ef\u7528\u6b63\u7535\u538b\u8868\u793a 1\uff0c\u800c\u7528\u8d1f\u7535\u538b\u8868\u793a 0\u3002\u7136\u800c\uff0c\u4e3a\u4e86\u63d0\u9ad8\u4fe1\u53f7\u6297\u5e72\u6270\u80fd\u529b\uff0c\u5e76\u4e14\u4fbf\u4e8e\u4fe1\u53f7\u63a5\u6536\u540c\u6b65\uff0c\u901a\u5e38\u91c7\u7528\u66f4\u4e3a\u6709\u6548\u7684\u4fe1\u53f7\u7f16\u7801\u65b9\u6cd5\u3002<\/p>\n<p>\u5e38\u7528\u7684\u6570\u5b57\u4fe1\u53f7\u7f16\u7801\u6709\u4e0d\u5f52\u96f6 NRZ (Non Return to Zero)\u7801\u3001\u5dee\u5206\u4e0d\u5f52\u96f6DNRZ \u7801\u3001\u66fc\u5f7b\u65af\u7279(Manchester)\u7801\u53ca\u5dee\u5206\u66fc\u5f7b\u65af\u7279(Differential Manchester)\u7801\u7b49\u3002<\/p>\n<p>(1) NRZ\u7801<\/p>\n<p>NRZ\u7801\u662f\u7528\u4fe1\u53f7\u7684\u5e45\u5ea6\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u7684\uff0c\u901a\u5e38\u7528\u6b63\u7535\u538b\u8868\u793a\u6570\u636e\u201c1\u201d\uff0c\u7528\u8d1f\u7535\u538b\u8868\u793a\u6570\u636e\u201c0\u201d\uff0c\u5e76\u4e14\u5728\u8868\u793a\u4e00\u4e2a\u7801\u5143\u65f6\uff0c\u7535\u538b\u5747\u65e0\u9700\u56de\u5230\u96f6\uff0c\u6545\u79f0\u4e0d\u5f52\u96f6\u7801\u3002NRZ\u7801\u7684\u7279\u70b9\u662f\u4e00\u79cd\u5168\u5bbd\u7801\uff0c\u5373\u4e00\u4f4d\u7801\u5143\u5360\u4e00\u4e2a\u5355\u4f4d\u8109\u51b2\u7684\u5bbd\u5ea6\u3002\u5168\u5bbd\u7801\u7684\u4f18\u70b9\uff1a\u4e00\u662f\u6bcf\u4e2a\u8109\u51b2\u5bbd\u5ea6\u8d8a\u5927\uff0c\u53d1\u9001\u4fe1\u53f7\u7684\u80fd\u91cf\u5c31\u8d8a\u5927\u8fd9\u5bf9\u4e8e\u63d0\u9ad8\u63a5\u6536\u7aef\u7684\u4fe1\u566a\u6bd4\u6709\u5229\uff1b\u4e8c\u662f\u8109\u51b2\u65f6\u95f4\u5bbd\u5ea6\u4e0e\u4f20\u8f93\u5e26\u5bbd\u6210\u53cd\u6bd4\u5173\u7cfb\uff0c\u5373\u5168\u5bbd\u7801\u5728\u4fe1\u9053\u4e0a\u5360\u7528\u8f83\u7a84\u7684\u9891\u5e26\uff0c\u5e76\u4e14\u5728\u9891\u8c31\u4e2d\u5305\u542b\u4e86\u7801\u4f4d\u7684\u901f\u5ea6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/55555555.jpg\" rel=\"attachment wp-att-232\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-232\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/55555555-300x115.jpg\" alt=\"55555555\" width=\"300\" height=\"115\" \/><\/a><\/p>\n<p>NRZ\u7801\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\uff1a\u5f53\u6570\u636e\u6d41\u4e2d\u8fde\u7eed\u51fa\u73b00 \u62161\u65f6\uff0c\u63a5\u6536\u7aef\u5f88\u96be\u4ee5\u5206\u8fa81\u4e2a\u4fe1\u53f7\u4f4d\u7684\u5f00\u59cb\u6216\u7ed3\u675f\uff0c\u5fc5\u987b\u91c7\u7528\u67d0\u79cd\u65b9\u6cd5\u5728\u53d1\u9001\u7aef\u548c\u63a5\u6536\u7aef\u4e4b\u95f4\u63d0\u4f9b\u5fc5\u8981\u7684\u4fe1\u53f7\u5b9a\u65f6\u540c\u6b65\u3002\u540c\u65f6\uff0c\u8fd9\u79cd\u7f16\u7801\u8fd8\u4f1a\u4ea7\u751f\u76f4\u6d41\u5206\u91cf\u7684\u79ef\u7d2f\u95ee\u9898\uff0c\u8fd9\u5c06\u5bfc\u81f4\u4fe1\u53f7\u7684\u5931\u771f\u4e0e\u7578\u53d8\uff0c\u4f7f\u4f20\u8f93\u7684\u53ef\u9760\u6027\u964d\u4f4e\uff0c\u5e76\u4e14\u7531\u4e8e\u76f4\u6d41\u5206\u91cf\u7684\u5b58\u5728\uff0c\u4f7f\u5f97\u65e0\u6cd5\u4f7f\u7528\u4e00\u4e9b\u4ea4\u6d41\u8026\u5408\u7684\u7ebf\u8def\u548c\u8bbe\u5907\u3002\u56e0\u6b64\uff0c\u4e00\u822c\u7684\u6570\u636e\u4f20\u8f93\u7cfb\u7edf\u90fd\u4e0d\u91c7\u7528\u8fd9\u79cd\u7f16\u7801\u65b9\u5f0f\u3002<\/p>\n<p>(2) DNRZ\u7801<\/p>\n<p>DNRZ\u7801\u662f\u4e00\u79cdNRZ\u7801\u7684\u6539\u8fdb\u5f62\u5f0f\uff0c\u5b83\u662f\u7528\u4fe1\u53f7\u7684\u76f8\u4f4d\u53d8\u5316\u6765\u8868\u793a\u4e8c\u8fdb\u5236\u6570\u636e\u7684\uff0c\u4e00\u4e2a\u4fe1\u53f7\u4f4d\u7684\u8d77\u59cb\u5904\u6709\u8df3\u53d8\u8868\u793a\u6570\u636e\u201c1\u201d\uff0c\u800c\u65e0\u8df3\u53d8\u8868\u793a\u6570\u636e\u201c0\u201d\u3002DNRZ\u7801\u4e0d\u4ec5\u4fdd\u6301\u4e86\u5168\u5bbd\u7801\u7684\u4f18\u70b9\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u4fe1\u53f7\u7684\u6297\u5e72\u6270\u6027\u548c\u6613\u540c\u6b65\u6027\u3002<\/p>\n<p>\u8fd1\u5e74\u6765\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u9ad8\u901f\u7f51\u7edc\u7cfb\u7edf\u91c7\u7528\u4e86DNRZ\u7801\uff0c\u6210\u4e3a\u4e3b\u6d41\u7684\u4fe1\u53f7\u7f16\u7801\u6280\u672f\uff0c\u5728FDDI\u3001100BASE-T\u53ca100VG-AnyLAN\u7b49\u9ad8\u901f\u7f51\u7edc\u4e2d\u90fd\u91c7\u7528\u4e86DNRZ\u7f16\u7801\u3002\u5176\u539f\u56e0\u662f\u5728\u9ad8\u901f\u7f51\u7edc\u4e2d\u8981\u6c42\u5c3d\u91cf\u964d\u4f4e\u4fe1\u53f7\u7684\u4f20\u8f93\u5e26\u5bbd\uff0c\u4ee5\u5229\u4e8e\u63d0\u9ad8\u4f20\u8f93\u7684\u53ef\u9760\u6027\u548c\u964d\u4f4e\u5bf9\u4f20\u8f93\u4ecb\u8d28\u5e26\u5bbd\u7684\u8981\u6c42\u3002\u800cDNRZ\u7f16\u7801\u4e2d\u7684\u7801\u5143\u901f\u7387\u4e0e\u7f16\u7801\u65f6\u949f\u901f\u7387\u76f8\u4e00\u81f4\uff0c\u5177\u6709\u5f88\u9ad8\u7684\u7f16\u7801\u6548\u7387\uff0c\u7b26\u5408\u9ad8\u901f\u7f51\u7edc\u5bf9\u4fe1\u53f7\u7f16\u7801\u7684\u8981\u6c42\u3002\u540c\u65f6\uff0c\u4e3a\u4e86\u89e3\u51b3\u6570\u636e\u6d41\u4e2d\u8fde\u7eed\u51fa\u73b00 \u62161\u65f6\u6240\u5e26\u6765\u7684\u4fe1\u53f7\u7f16\u7801\u95ee\u9898\uff0c\u901a\u5e38\u91c7\u7528\u4e24\u7ea7\u7f16\u7801\u65b9\u6848\uff0c\u7b2c\u4e00\u7ea7\u662f\u9884\u7f16\u7801\u5668\uff0c\u5bf9\u6570\u636e\u6d41\u8fdb\u884c\u9884\u7f16\u7801\uff0c\u4f7f\u7f16\u7801\u540e\u7684\u6570\u636e\u6d41\u4e0d\u4f1a\u51fa\u73b0\u8fde\u7eed 0 \u6216\u8fde\u7eed 1\uff0c\u5e38\u7528\u7684\u9884\u7f16\u7801\u65b9\u6cd5\u67094B5B\u30015B6B\u7b49\uff1b\u7b2c\u4e8c\u7ea7\u662fDNRZ\u7f16\u7801\uff0c\u5b9e\u73b0\u7269\u7406\u4fe1\u53f7\u7684\u4f20\u8f93\u3002\u8fd9\u79cd\u4e24\u7ea7\u7f16\u7801\u65b9\u6848\u7684\u7f16\u7801\u6548\u7387\u53ef\u8fbe\u5230 80%\u4ee5\u4e0a\u3002\u4f8b\u5982\uff0c\u57284B5B\u7f16\u7801\u4e2d\uff0c\u6bcf4\u4f4d\u6570\u636e\u75285\u4f4d\u7f16\u7801\u6765\u8868\u793a\uff0c\u53734\u4f4d\u6570\u636e\u5c31\u4f1a\u589e\u52a0 1 \u4f4d\u7684\u7f16\u7801\u5f00\u9500\uff0c\u7f16\u7801\u6548\u7387\u4ecd\u4e3a80%\u3002<\/p>\n<p>(3) \u66fc\u5f7b\u65af\u7279\u7801<\/p>\n<p>\u5728\u66fc\u5f7b\u65af\u7279\u7801\u4e2d\uff0c\u7528\u4e00\u4e2a\u4fe1\u53f7\u7801\u5143\u4e2d\u95f4\u7535\u538b\u8df3\u53d8\u7684\u76f8\u4f4d\u4e0d\u540c\u6765\u533a\u5206\u6570\u636e\u201c1\u201d\u548c\u201c0\u201d\uff0c\u5b83\u7528\u6b63\u7684\u7535\u538b\u8df3\u53d8\u8868\u793a\u201c0\u201d\uff1b\u7528\u8d1f\u7684\u7535\u538b\u8df3\u53d8\u8868\u793a\u201c1\u201d\u3002\u56e0\u6b64\uff0c\u8fd9\u79cd\u7f16\u7801\u4e5f\u662f\u4e00\u79cd\u76f8\u4f4d\u7801\u3002\u7531\u4e8e\u7535\u538b\u8df3\u53d8\u90fd\u53d1\u751f\u5728\u6bcf\u4e00\u4e2a\u7801\u5143\u7684\u4e2d\u95f4\uff0c\u63a5\u6536\u7aef\u53ef\u4ee5\u65b9\u4fbf\u5730\u5229\u7528\u5b83\u4f5c\u4e3a\u4f4d\u540c\u6b65\u65f6\u949f\uff0c\u56e0\u6b64\u8fd9\u79cd\u7f16\u7801\u4e5f\u79f0\u4e3a\u81ea\u540c\u6b65\u7801\u300210Mb\/s \u4ee5\u592a\u7f51(Ethernet)\u91c7\u7528\u8fd9\u79cd\u66fc\u5f7b\u65af\u7279\u7801\u3002<\/p>\n<div class=\"image-package imagebubble\"><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/66666666.jpg\" rel=\"attachment wp-att-233\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-233\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/66666666-300x115.jpg\" alt=\"66666666\" width=\"300\" height=\"115\" \/><\/a><\/div>\n<div class=\"image-package imagebubble\">(4) \u5dee\u5206\u66fc\u5f7b\u65af\u7279\u7801<\/div>\n<p>\u5dee\u5206\u66fc\u5f7b\u65af\u7279\u7801\u662f\u4e00\u79cd\u66fc\u5f7b\u65af\u7279\u7801\u7684\u6539\u8fdb\u5f62\u5f0f\uff0c\u5176\u5dee\u522b\u5728\u4e8e\uff1a\u6bcf\u4e2a\u7801\u5143\u7684\u4e2d\u95f4\u8df3\u53d8\u53ea\u4f5c\u4e3a\u540c\u6b65\u65f6\u949f\u4fe1\u53f7\uff1b\u800c\u6570\u636e\u201c0\u201d\u548c\u201c1\u201d\u7684\u53d6\u503c\u662f\u7528\u4fe1\u53f7\u4f4d\u7684\u8d77\u59cb\u5904\u6709\u65e0\u8df3\u53d8\u6765\u8868\u793a\uff0c\u82e5\u6709\u8df3\u53d8\u5219\u4e3a\u201c0\u201d\uff1b\u82e5\u65e0\u8df3\u53d8\u5219\u4e3a\u201c1\u201d\u3002\u8fd9\u79cd\u7f16\u7801\u7684\u7279\u70b9\u662f\u6bcf\u4e00\u4f4d\u5747\u7528\u4e0d\u540c\u7535\u5e73\u7684\u4e24\u4e2a\u534a\u4f4d\u6765\u8868\u793a\uff0c\u56e0\u800c\u59cb\u7ec8\u80fd\u4fdd\u6301\u76f4\u6d41\u7684\u5e73\u8861\u3002\u8fd9\u79cd\u7f16\u7801\u4e5f\u662f\u4e00\u79cd\u81ea\u540c\u6b65\u7f16\u7801\u3002<br \/>\n\u4ee4\u724c\u73af(Token-Ring)\u7f51\u91c7\u7528\u8fd9\u79cd\u5dee\u5206\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u3002<\/p>\n<p>\u8fd9\u4e24\u79cd\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u4e3b\u8981\u7528\u4e8e\u4e2d\u901f\u7f51\u7edc(Ethernet\u4e3a 10 Mb\/s\uff1bToken-Ring\u6700\u9ad8\u4e3a16 Mb\/s)\u4e2d\uff0c\u800c\u9ad8\u901f\u7f51\u7edc\u5e76\u4e0d\u91c7\u7528\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u6280\u672f\u3002\u5176\u539f\u56e0\u662f\u5b83\u7684\u4fe1\u53f7\u901f\u7387\u4e3a\u6570\u636e\u901f\u7387\u7684\u4e24\u500d\uff0c\u5373\u5bf9\u4e8e 10 Mb\/s\u7684\u6570\u636e\u901f\u7387\uff0c\u5219\u7f16\u7801\u540e\u7684\u4fe1\u53f7\u901f\u7387\u4e3a 20 Mb\/s\uff0c\u7f16\u7801\u7684\u6709\u6548\u7387\u4e3a 50%\u3002\u5bf9\u4e8e 100 Mb\/s\u7684\u9ad8\u901f\u7f51\u7edc\u6765\u8bf4\uff0c200 Mb\/s\u7684\u4fe1\u53f7\u901f\u7387\u65e0\u8bba\u5bf9\u4f20\u8f93\u4ecb\u8d28\u7684\u5e26\u5bbd\u7684\u8981\u6c42\uff0c\u8fd8\u662f\u5bf9\u4f20\u8f93\u53ef\u9760\u6027\u7684\u63a7\u5236\u90fd\u672a\u514d\u592a\u9ad8\u4e86\uff0c\u5c06\u4f1a\u589e\u52a0\u4fe1\u53f7\u4f20\u8f93\u6280\u672f\u7684\u590d\u6742\u6027\u548c\u5b9e\u73b0\u6210\u672c\uff0c\u96be\u4ee5\u63a8\u5e7f\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u9ad8\u901f\u7f51\u7edc\u4e3b\u8981\u91c7\u7528\u4e24\u7ea7\u7684DNRZ\u7f16\u7801\u65b9\u6848\uff0c\u800c\u4e2d\u901f\u7f51\u7edc\u91c7\u7528\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u65b9\u6848\uff0c\u5c3d\u7ba1\u5b83\u589e\u52a0\u4e86\u4f20\u8f93\u6240\u9700\u7684\u5e26\u5bbd\uff0c\u4f46\u5728\u5b9e\u73b0\u8d77\u6765\u7b80\u5355\u6613\u884c\u3002<\/p>\n<div class=\"image-package imagebubble\"><img decoding=\"async\" class=\"imagebubble-image\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/2-5.png\/w\/1240\" alt=\"\" data-original-src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/2-5.png\" \/><\/div>\n<p>\u8981\u5b9e\u73b0\u624b\u673a\u7aef\u548c\u6269\u5c55\u5934\u7684\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u5fc5\u987b\u6ee1\u8db32\u4e2a\u6761\u4ef6\uff1a1.\u4fe1\u53f7\u5fc5\u987b\u5728\u97f3\u9891\u9891\u7387\u4e4b\u5185\uff1b2.\u9700\u8981\u662f\u4f4e\u529f\u8017\u7684\u3002\u7b2c\u4e00\u4e2a\u6761\u4ef6\u9650\u5236\u4e86\u4fe1\u53f7\u5e26\u5bbd\uff0c\u7b2c\u4e8c\u4e2a\u6761\u4ef6\u9650\u5236\u4e86\u6210\u672c\u548c\u529f\u7387\u3002\u5728\u8fd92\u79cd\u9650\u5236\u6761\u4ef6\u4e0b\uff0c\u4e3b\u8981\u67092\u79cd\u65b9\u5f0f\u5b9e\u73b0\u8fd9\u79cd\u540c\u65f6\u7684\u53cc\u5411\u901a\u4fe1\uff1aFSK\u8c03\u5236\u548c\u57fa\u4e8e\u66fc\u5f7b\u65af\u7279\u7f16\u7801\u7684\u76f4\u63a5\u6570\u5b57\u901a\u4fe1\u3002<\/p>\n<p>\u8fd9\u91cc\u4e3b\u8981\u8bb2\u89e3\u4e0b\u901a\u8fc7\u6570\u5b57\u8c03\u5236\u4e2d\u7684FSK\u8c03\u9891\u8c03\u5236\u65b9\u6ce2\u3002FSK\u67092FSK(2\u8fdb\u5236\u8c03\u5236)\u30014FSK\uff084\u8fdb\u5236\u8c03\u5236\uff09\u30018FSK\uff088\u8fdb\u5236\u8c03\u5236\uff09\u7b49\u7b49\u3002<\/p>\n<p>\u7531\u4e8e\u5728\u6570\u5b57\u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528\u7684\u662f0\u30011\u8868\u793a\u7684\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5728\u8fd9\u91cc\uff0c\u6211\u4f7f\u7528\u4e862FSK\u6765\u4f5c\u4e3a\u4fe1\u53f7\u7684\u8c03\u5236\u3002<\/p>\n<p>2FSK\u8c03\u9891\u8c03\u5236\u65b9\u6ce2\u7684\u539f\u7406\uff1a\u7528\u4e00\u4e2a\u9891\u7387\u8868\u793a1\uff0c\u53e6\u4e00\u4e2a\u4e0d\u540c\u7684\u9891\u7387\u8868\u793a0\u3002\u6bd4\u5982\u4f7f\u7528613Hz\u7684\u4fe1\u53f7\u4ee3\u88680\uff0c1226Hz\u7684\u4fe1\u53f7\u4ee3\u88681\u3002\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/77777777777.jpeg\" rel=\"attachment wp-att-234\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-234\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/77777777777-154x300.jpeg\" alt=\"77777777777\" width=\"154\" height=\"300\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>\u65b9\u6ce2\u53ef\u4ee5\u7528Cool Edit Pro\u5de5\u5177\u751f\u6210\uff0c\u65b9\u4fbf\u8c03\u8bd5\u548c\u7814\u7a76\u3002\u5177\u4f53\u65b9\u6cd5\u662f\uff1a<br \/>\n\u6253\u5f00\u5de5\u5177\uff0c\u65b0\u5efa\u6587\u4ef6\uff0c\u7136\u540e\u4f1a\u5f39\u51fa\u4e0b\u9762\u7a97\u53e3<\/p>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/88888888.jpg\" rel=\"attachment wp-att-235\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-235\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/88888888-300x251.jpg\" alt=\"88888888\" width=\"300\" height=\"251\" \/><\/a><\/p>\n<pre class=\"hljs cpp\"><code class=\"cpp\">   \u8fd9\u91cc\u6839\u636e\u4f60\u9700\u6c42\u8bbe\u7f6e\u6ce2\u5f62\u7684\u91c7\u6837\u7387\uff0c\u58f0\u9053\u548c\u91c7\u6837\u7cbe\u5ea6\uff08\u4e00\u822c\u662f<span class=\"hljs-number\">44100<\/span>HZ\uff0c\u5355\u58f0\u9053\uff0c<span class=\"hljs-number\">16<\/span>\u4f4d\u91c7\u6837\u7cbe\u5ea6\uff09<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u9009\u62e9\u83dc\u5355\u9879-\u751f\u6210<\/p>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/9999999999.png\" rel=\"attachment wp-att-236\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-236\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/9999999999-300x228.png\" alt=\"9999999999\" width=\"300\" height=\"228\" \/><\/a><\/p>\n<p>\u4f60\u4f1a\u770b\u5230\u5982\u4e0b\u754c\u9762\uff0c\u8fd9\u91cc\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u9891\u7387\u548c\u8bbe\u7f6e\u8c03\u5473\u4e3a\u65b9\u6ce2\u751f\u6210\u6ce2\u5f62\u4e86<\/p>\n<div class=\"image-package imagebubble\"><\/div>\n<div class=\"image-package imagebubble\">\n<div class=\"image-caption\"><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/10-101010101010.png\" rel=\"attachment wp-att-237\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-237\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/10-101010101010-300x269.png\" alt=\"10---101010101010\" width=\"300\" height=\"269\" \/><\/a><\/div>\n<div class=\"image-caption\"><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/11-1111111.jpg\" rel=\"attachment wp-att-238\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-238\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/11-1111111-300x187.jpg\" alt=\"11-1111111\" width=\"300\" height=\"187\" \/><\/a><\/div>\n<div class=\"image-caption\"><\/div>\n<div class=\"image-caption\">\u65b9\u6ce2<\/div>\n<\/div>\n<p>\u90a3\u4e48\u5728iOS\u4e0b\u5982\u4f55\u63a5\u6536\u65b9\u6ce2\u89e3\u6790\u548c\u53d1\u9001\u65b9\u6ce2\u54a7\uff1f<\/p>\n<p>\u6bcf\u6bb5\u6ce2\u5f62\u5176\u5b9e\u662f\u7531N\uff08N=\u91c7\u6837\u7387\/\u4f4d\u6301\u7eed\u65f6\u95f4\uff08\u6bcf\u4f4d\u6570\u636e\u9891\u7387\uff09\uff09\u4e2a\u6709\u7b26\u53f7\u7684\u6570\u636e\u70b9\u7ec4\u6210\uff0c\u8fd9\u4e9b\u6709\u6b63\u6709\u8d1f\u7684\u6570\u7ec4\u6210\u4e86\u4e00\u6bb5\u6bb5\u6ce2\u5f62,\u6bd4\u5982\u6ce2\u5f620\u5219\u6709N\u4e2a127\u7ec4\u6210\u7684\u6ce2\u5cf0\u6ce2\u5f62\u6216\u8005N\u4e2a-128\u7ec4\u6210\u7684\u6ce2\u5e95\u6ce2\u5f62\uff0c\u800c\u6ce2\u5f621\u5219\u6709N\/2\u4e2a\u6ce2\u5cf0+N\/2\u4e2a\u6ce2\u4f4e\u7ec4\u6210\uff0c\u8fd9\u4e2a\u6ce2\u5cf0\u6ce2\u5e95\u5177\u4f53\u6570\u503c\u5b9a\u4e49\u53ef\u81ea\u5df2\u7075\u6d3b\u5b9a\u4e49\uff0c\u5982\u4e0b\u56fe\u6240\u793a<\/p>\n<div class=\"image-package imagebubble\">\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/12-1212121212.png\" rel=\"attachment wp-att-239\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-239\" src=\"http:\/\/test.weifenshen.com\/wp-content\/uploads\/2015\/12\/12-1212121212-300x284.png\" alt=\"12-1212121212\" width=\"300\" height=\"284\" \/><\/a><\/p>\n<div class=\"image-caption\">\u6ce2\u5f62\u7ec4\u6210\u539f\u7406<\/div>\n<\/div>\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u6bd4\u5982\u53d1\u9001\u4e2a\u6570\u636e5\uff0c\u5176\u4e8c\u8fdb\u5236\u6570\u636e\u4e3a0000 0101 \uff0c\u8fd9\u91cc\u8bbe\u7f6e\u91c7\u6837\u7387\u4e3a44100HZ,\u6bcf\u6bb5\u6ce2\u5f62\u65f6\u95f4\u9891\u73871000HZ\uff0c\u5b9a\u4e49\u6ce2\u5f62\u4e3a0 \u6ce2\u5cf0\u4e0a\u5168\u662f44\u4e2a127\uff0c\u6ce2\u5f62\u4e3a0 \u6ce2\u5e95\u4e0a\u5168\u662f44\u4e2a-128\uff0c\u6ce2\u5f62\u4e3a1\u7684\u6570\u636e \u534a\u4e2a \u6ce2\u5cf0\u4e0a\u5168\u662f44\/2\u4e2a127\uff0c\u534a\u4e2a \u6ce2\u5e95\u4e0a\u5168\u662f44\/2\u4e2a-128,\u90a3\u4e485 \u751f\u6210\u6ce2\u5f62\u7684\u6570\u636e\u5c31\u662f 0\uff0844\u4e2a127\uff09 0 \uff0844\u4e2a-128\uff09 0\uff0844\u4e2a127\uff09 0 \uff0844\u4e2a-128\uff09 0\uff0844\u4e2a127\uff091\uff0844\/2\u4e2a-128+44\/2\u4e2a127\uff090\uff0844\u4e2a-128\uff091\uff0844\u4e2a127\uff09\u3002\u77e5\u9053\u8fd9\u4e2a\u539f\u7406\u4e86\u65b9\u6ce2\u89e3\u6790\u548c\u53d1\u9001\u6570\u636e\u5c31\u7b80\u5355\u4e86\u3002<\/p>\n<pre class=\"hljs cpp\"><code class=\"cpp\">\u97f3\u9891\u4f7f\u7528\u7684\u57fa\u672c\u6b65\u9aa4\u5982\u4e0b\uff1a\n\n<span class=\"hljs-number\">1.<\/span>\u8bbe\u7f6e\u97f3\u9891\u683c\u5f0f\u548c\u91c7\u6837\u7387\n\nmAudioFormat.mSampleRate=AUDIO_SAMPLE_RATE;<span class=\"hljs-comment\">\/\/\u91c7\u6837\u7387<\/span>\nmAudioFormat.mFormatID=kAudioFormatLinearPCM;<span class=\"hljs-comment\">\/\/PCM\u683c\u5f0f<\/span>\nmAudioFormat.mFormatFlags        = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;\nmAudioFormat.mFramesPerPacket    = <span class=\"hljs-number\">1<\/span>;<span class=\"hljs-comment\">\/\/\u6bcf\u4e2a\u6570\u636e\u5305\u591a\u5c11\u5e27<\/span>\nmAudioFormat.mChannelsPerFrame   = kChannels\/<span class=\"hljs-number\">2<\/span>;<span class=\"hljs-comment\">\/\/1\u5355\u58f0\u9053\uff0c2\u7acb\u4f53\u58f0<\/span>\nmAudioFormat.mBitsPerChannel     = <span class=\"hljs-number\">16<\/span>;<span class=\"hljs-comment\">\/\/\u8bed\u97f3\u6bcf\u91c7\u6837\u70b9\u5360\u7528\u4f4d\u6570<\/span>\nmAudioFormat.mBytesPerFrame      = mAudioFormat.mBitsPerChannel*mAudioFormat.mChannelsPerFrame\/<span class=\"hljs-number\">8<\/span>;<span class=\"hljs-comment\">\/\/\u6bcf\u5e27\u7684bytes\u6570<\/span>\nmAudioFormat.mBytesPerPacket     = mAudioFormat.mBytesPerFrame*mAudioFormat.mFramesPerPacket;<span class=\"hljs-comment\">\/\/\u6bcf\u4e2a\u6570\u636e\u5305\u7684bytes\u603b\u6570\uff0c\u6bcf\u5e27\u7684bytes\u6570\uff0a\u6bcf\u4e2a\u6570\u636e\u5305\u7684\u5e27\u6570<\/span>\nmAudioFormat.mReserved           = <span class=\"hljs-number\">0<\/span>;\n\n<span class=\"hljs-number\">2.<\/span>\u8bbe\u7f6eremote io unit\u7684\u6e32\u67d3\u56de\u8c03,\u4ece\u8f93\u5165\u786c\u4ef6\u83b7\u5f97\u91c7\u6837\u4f20\u5165\u5230\u56de\u8c03\u51fd\u6570\u8fdb\u884c\u6e32\u67d3,\u4ece\u800c\u83b7\u5f97\u5f55\u97f3\u6570\u636e\u89e3\u6790\u6570\u636e. \u5411\u56de\u8c03\u51fd\u6570\u586b\u6570\u636e,\u4ece\u800c\u5411\u8f93\u51fa\u786c\u4ef6\u63d0\u4f9b\u6570\u636e\u8fdb\u884c\u653e\u97f3\u53d1\u9001\u6570\u636e.\nCheckError(AudioUnitSetProperty(toneUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, disable, &amp;mAudioFormat, <span class=\"hljs-keyword\">sizeof<\/span>(mAudioFormat)), <span class=\"hljs-string\">\"couldn't set the remote I\/O unit's output client format\"<\/span>);\nCheckError(AudioUnitSetProperty(toneUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, enable, &amp;mAudioFormat, <span class=\"hljs-keyword\">sizeof<\/span>(mAudioFormat)), <span class=\"hljs-string\">\"couldn't set the remote I\/O unit's input client format\"<\/span>);\n\n\u56de\u8c03\u51fd\u6570<span class=\"hljs-function\">OSStatus <span class=\"hljs-title\">RenderTone<\/span><span class=\"hljs-params\">(\n                <span class=\"hljs-keyword\">void<\/span> *inRefCon,\n                AudioUnitRenderActionFlags     *ioActionFlags,\n                <span class=\"hljs-keyword\">const<\/span> AudioTimeStamp         *inTimeStamp,\n                UInt32                         inBusNumber,\n                UInt32                         inNumberFrames,\n                AudioBufferList             *ioData)<\/span>\uff1b\u901a\u8fc7\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u5c31\u53ef\u4ee5\u53d1\u9001\u6570\u636e\u548c\u89e3\u6790\u6570\u636e<\/span><\/code><\/pre>\n<p><a href=\"http:\/\/www.sunyuping.cn\/wp-content\/uploads\/2015\/12\/SquareWaveAudioDemo-master.zip\" target=\"_blank\" rel=\"noopener noreferrer\">\u6570\u636e\u7f16\u7801\u53d1\u9001\u5177\u4f53\u4ee3\u7801\u53ef\u53c2\u8003demo\u91cc\uff0c\u77e5\u9053\u4e86\u7f16\u7801\u539f\u7406\uff0c\u89e3\u7801\u5bf9\u4f60\u6765\u8bf4\u5c31\u7b80\u5355\u4e86<\/a><\/p>\n<p>\u53c2\u8003\u6587\u6863\uff1a<br \/>\n<a href=\"http:\/\/blog.csdn.net\/it1988888\/article\/details\/9073767\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/blog.csdn.net\/it1988888\/article\/details\/9073767<\/a><br \/>\n<a href=\"http:\/\/www.seeedstudio.com\/wiki\/index.php?title=Hijack\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/www.seeedstudio.com\/wiki\/index.php?title=Hijack<\/a><br \/>\n<a href=\"http:\/\/blog.csdn.net\/xiejx618\/article\/details\/9790709\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/blog.csdn.net\/xiejx618\/article\/details\/9790709<\/a>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00. \u97f3\u9891\u901a\u4fe1\u7b80\u4ecb \u5927\u5bb6\u5e94\u8be5\u90fd\u77e5\u9053\u652f\u4ed8\u5b9d\u58f0\u6ce2\u652f\u4ed8\u548c\u62c9\u5361\u62c9\u5427\uff0c\u5b83\u4eec\u90fd\u662f\u5229\u7528\u624b\u673a\u7684\u97f3\u9891\u53e3\uff08\u624b\u673a\u8033\u673a\u53e3\uff09\u6765\u5b9e\u73b0\u5168\u53cc\u5de5 &#8230; <a title=\"iOS\u5f00\u53d1\u4e4b\u97f3\u9891\u53e3\u901a\u4fe1-\u901a\u8fc7\u65b9\u6ce2\u6765\u6536\u53d1\u6570\u636e\" class=\"read-more\" href=\"https:\/\/www.sunyuping.com\/index.php\/2015\/12\/29\/ios%e5%bc%80%e5%8f%91%e4%b9%8b%e9%9f%b3%e9%a2%91%e5%8f%a3%e9%80%9a%e4%bf%a1-%e9%80%9a%e8%bf%87%e6%96%b9%e6%b3%a2%e6%9d%a5%e6%94%b6%e5%8f%91%e6%95%b0%e6%8d%ae\/\" aria-label=\"\u9605\u8bfb iOS\u5f00\u53d1\u4e4b\u97f3\u9891\u53e3\u901a\u4fe1-\u901a\u8fc7\u65b9\u6ce2\u6765\u6536\u53d1\u6570\u636e\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-215","post","type-post","status-publish","format-standard","hentry","category-2"],"_links":{"self":[{"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/posts\/215","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/comments?post=215"}],"version-history":[{"count":0,"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/posts\/215\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/media?parent=215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/categories?post=215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sunyuping.com\/index.php\/wp-json\/wp\/v2\/tags?post=215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}