<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	>

<channel>
	<title>骆驼调频 &#187; Audio</title>
	<atom:link href="http://www.21say.com/category/audio/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.21say.com</link>
	<description>Camel's FM Blog</description>
	<lastBuildDate>Mon, 23 Aug 2010 03:19:41 +0000</lastBuildDate>
	<generator>http://wordpress.org/?v=2.9.2</generator>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
			<item>
		<title>定压功放</title>
		<link>http://www.21say.com/pressure-amplifier/</link>
		<comments>http://www.21say.com/pressure-amplifier/#comments</comments>
		<pubDate>Fri, 07 Aug 2009 02:47:30 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[定压功放电路图]]></category>

		<guid isPermaLink="false">http://www.21say.com/pressure-amplifier/</guid>
		<description><![CDATA[公共广播系统采用定压功放，即一定输入电压时的输出电压是恒定的。所有喇叭通过变压器并联在输出端。通过变压器，可以根据喇叭所能承受的功率不同在定压输出端得到适当的电压。另外... ]]></description>
		<wfw:commentRss>http://www.21say.com/pressure-amplifier/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>锐声REESOUND MA-300 定压功放电路图</title>
		<link>http://www.21say.com/%e9%94%90%e5%a3%b0reesound-ma-300-%e5%ae%9a%e5%8e%8b%e5%8a%9f%e6%94%be%e7%94%b5%e8%b7%af%e5%9b%be/</link>
		<comments>http://www.21say.com/%e9%94%90%e5%a3%b0reesound-ma-300-%e5%ae%9a%e5%8e%8b%e5%8a%9f%e6%94%be%e7%94%b5%e8%b7%af%e5%9b%be/#comments</comments>
		<pubDate>Fri, 07 Aug 2009 02:32:05 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[定压功放电路图]]></category>

		<guid isPermaLink="false">http://www.21say.com/%e9%94%90%e5%a3%b0reesound-ma-300-%e5%ae%9a%e5%8e%8b%e5%8a%9f%e6%94%be%e7%94%b5%e8%b7%af%e5%9b%be/</guid>
		<description><![CDATA[ 
锐声REESOUND MA-300 定压功放电路图... ]]></description>
		<wfw:commentRss>http://www.21say.com/%e9%94%90%e5%a3%b0reesound-ma-300-%e5%ae%9a%e5%8e%8b%e5%8a%9f%e6%94%be%e7%94%b5%e8%b7%af%e5%9b%be/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>品牌发烧线材介绍</title>
		<link>http://www.21say.com/wire-introduced-brand-fever/</link>
		<comments>http://www.21say.com/wire-introduced-brand-fever/#comments</comments>
		<pubDate>Sat, 06 Jun 2009 16:55:23 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/wire-introduced-brand-fever/</guid>
		<description><![CDATA[



 古河发烧线技术特点

 日立发烧线材技术特点

铁三角发烧线材技术特点

怪兽发烧线材技术特点

线圣发烧线材技术特点

至高发烧线材技术特点
       
蝙蝠发烧线技术特点
       
至尊发烧... ]]></description>
		<wfw:commentRss>http://www.21say.com/wire-introduced-brand-fever/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>关于T类数字功放</title>
		<link>http://www.21say.com/t-amp/</link>
		<comments>http://www.21say.com/t-amp/#comments</comments>
		<pubDate>Sat, 30 May 2009 18:21:21 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/t-amp/</guid>
		<description><![CDATA[击败高档产品的廉价产品 
音速感公司（Sonic Impact Technologies）在2003年推出的T-Amp只是一款为廉价纸板音箱配备的功放，这款*电池驱动的产品并没有什么新奇之处，售价也只要39美元，推出后一... ]]></description>
		<wfw:commentRss>http://www.21say.com/t-amp/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>关于音质评价</title>
		<link>http://www.21say.com/quality-evaluation/</link>
		<comments>http://www.21say.com/quality-evaluation/#comments</comments>
		<pubDate>Sun, 24 May 2009 08:47:02 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/quality-evaluation/</guid>
		<description><![CDATA[ 关于声音，其实我们一直没有离开数学或物理的范畴。因为声音的大小、频率的高低毕竟是可以用很确切的数字表示出来的。但是日常生活里，人们的主观思维往往并不是那麽&#34;数字&#34;化，... ]]></description>
		<wfw:commentRss>http://www.21say.com/quality-evaluation/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>音源知识</title>
		<link>http://www.21say.com/sound-knowledge/</link>
		<comments>http://www.21say.com/sound-knowledge/#comments</comments>
		<pubDate>Tue, 16 Dec 2008 18:47:44 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[CD]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=909</guid>
		<description><![CDATA[    顾名思义，音源就是声音的源头，没有音源，用音响系统还原声音也就无从谈起。音源有两层含义，一是指记录声音的载体，只有先把声音记录在某种载体上，才谈得上用音响设备把载体... ]]></description>
		<wfw:commentRss>http://www.21say.com/sound-knowledge/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>CD的标准规格</title>
		<link>http://www.21say.com/cd-standard/</link>
		<comments>http://www.21say.com/cd-standard/#comments</comments>
		<pubDate>Tue, 16 Dec 2008 18:44:24 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[CD]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=906</guid>
		<description><![CDATA[    CD的规格是索尼和飞利浦公司联手制定的。声音讯号采用44.1KHz的频率采磋，每个采样点进行16bit量化，然后以LPCM（线性脉冲编码调制）方式编码成数字讯号，数字讯号用模压的办法保存在... ]]></description>
		<wfw:commentRss>http://www.21say.com/cd-standard/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>DVD光纤和同轴数字音频接口</title>
		<link>http://www.21say.com/dvd-optical-fiber-and-coaxial-digital-audio-interface/</link>
		<comments>http://www.21say.com/dvd-optical-fiber-and-coaxial-digital-audio-interface/#comments</comments>
		<pubDate>Mon, 15 Dec 2008 10:05:31 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/dvd-optical-fiber-and-coaxial-digital-audio-interface/</guid>
		<description><![CDATA[&#160;&#160; 光纤线常采用ＴＯＳＬＩＮＫ（即ＴＯＳＨＩＢＡ ＬＩＮＫ）线，它是日本东芝（ＴＯＳＨＩＢＡ）公司开发的技术。ＤＶＤ影碟机后背上的一个角型端子，其上部标有“ＯＰＴＩＣ... ]]></description>
		<wfw:commentRss>http://www.21say.com/dvd-optical-fiber-and-coaxial-digital-audio-interface/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>关于电源净化器</title>
		<link>http://www.21say.com/ac-line-conditioner/</link>
		<comments>http://www.21say.com/ac-line-conditioner/#comments</comments>
		<pubDate>Sat, 29 Nov 2008 18:37:23 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=822</guid>
		<description><![CDATA[
电源净化器（AC line-conditioner）
指专门用来滤去交流供电电源中的噪声和防止音响器材受到电压峰值和浪涌损害的一种音响辅助器材。有些电源净化器甚至还可用来防止闪电的损伤。其实，电... ]]></description>
		<wfw:commentRss>http://www.21say.com/ac-line-conditioner/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>发烧音频电容Nichicon FW 4700uF/16v</title>
		<link>http://www.21say.com/nichicon-fw-4700uf16v/</link>
		<comments>http://www.21say.com/nichicon-fw-4700uf16v/#comments</comments>
		<pubDate>Tue, 25 Nov 2008 18:35:21 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/nichicon-fw-4700uf16v/</guid>
		<description><![CDATA[今日淘宝淘得发烧音频电容Nichicon FW 4700uF/16v两个，价格为８元／个，准备用来摩ＭＩＮＩ ＵＳＢ ＤＡＣ耳放后级，增强低音动态．
先在这里晒一下写真：
 
... ]]></description>
		<wfw:commentRss>http://www.21say.com/nichicon-fw-4700uf16v/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>MINI USB DAC Power supply</title>
		<link>http://www.21say.com/mini-usb-dac-power-supply/</link>
		<comments>http://www.21say.com/mini-usb-dac-power-supply/#comments</comments>
		<pubDate>Mon, 10 Nov 2008 17:52:24 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[usb dac]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=740</guid>
		<description><![CDATA[近日完成HIFIDIY的MINI USB DAC配套专用电源升级套件装配,输出电压正负9.8V.为USB DAC提供澎拜的动力. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  官方介绍:
本套件为HIFIDIY MINI USB DAC专用升级电源套件,配合MINI ... ]]></description>
		<wfw:commentRss>http://www.21say.com/mini-usb-dac-power-supply/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>音响煲机</title>
		<link>http://www.21say.com/audio-aging/</link>
		<comments>http://www.21say.com/audio-aging/#comments</comments>
		<pubDate>Wed, 05 Nov 2008 15:56:23 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=738</guid>
		<description><![CDATA[煲机的由来 
    音箱和耳机的磨合期被行内人称作“煲机”，英文的叫法是“Run in”，煲机的过程犹如打通七经八脉，是一种快速使器材老化稳定的手段和方法。有些元器件例如晶体管、... ]]></description>
		<wfw:commentRss>http://www.21say.com/audio-aging/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>组装MINI USB DAC</title>
		<link>http://www.21say.com/mini-usb-dac-diy/</link>
		<comments>http://www.21say.com/mini-usb-dac-diy/#comments</comments>
		<pubDate>Sun, 02 Nov 2008 15:52:19 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=732</guid>
		<description><![CDATA[近日从hifidiy购得MINI USB DAC 套件，历时十多个小时的安装，一气呵成。通电即响。当时时间是凌晨4点多，人已迷迷糊糊。立马试下USB，插上notebook PC, 自动检测USB DAC设备并自动安装好驱动程序. ... ]]></description>
		<wfw:commentRss>http://www.21say.com/mini-usb-dac-diy/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>自制LM3886TF功放机</title>
		<link>http://www.21say.com/lm3886tf-amp-diy/</link>
		<comments>http://www.21say.com/lm3886tf-amp-diy/#comments</comments>
		<pubDate>Mon, 22 Sep 2008 15:54:52 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=667</guid>
		<description><![CDATA[经过半个月的打造，我的LM3886功放终于完工了, 整个小机箱里装上了两个LM3886组成双成道功放，前置为NE5532音调板，后面加了喇叭保护电路，四个10000uf电容的大水塘，电源供电采用一个200W的水... ]]></description>
		<wfw:commentRss>http://www.21say.com/lm3886tf-amp-diy/feed/</wfw:commentRss>
		<slash:comments>7</slash:comments>
		</item>
		<item>
		<title>CD/DVD-ROM控制器（光驱升级为CD机）</title>
		<link>http://www.21say.com/cd-dvd-rom-controller/</link>
		<comments>http://www.21say.com/cd-dvd-rom-controller/#comments</comments>
		<pubDate>Thu, 17 Jul 2008 13:17:04 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=559</guid>
		<description><![CDATA[实现的功能:
  1.播放
  2.暂停
  3.上一曲
  4.下一曲
  5.4种速度快进
  6.4种速度快退
  7.停止
  8.进出仓
  9.播放时候4种曲目时间显示可选(单碟正计时，单碟倒计时，当前曲正计时，当前曲倒计时... ]]></description>
		<wfw:commentRss>http://www.21say.com/cd-dvd-rom-controller/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>LM1875双电源供电电路及PDF资料</title>
		<link>http://www.21say.com/lm1875-dual-supply-circuit-and-pdf-information/</link>
		<comments>http://www.21say.com/lm1875-dual-supply-circuit-and-pdf-information/#comments</comments>
		<pubDate>Wed, 09 Jul 2008 14:12:19 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[lm1875]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=548</guid>
		<description><![CDATA[
输入信号VIN经过C1耦合到LM1875的1脚，功率放大后从4脚输出加到扬声器。R5、C5串联接在输出端用以抑制高频噪声。正电源+VCC、负电源-VEE分别接在5脚和3脚，并且采用100μF电解电容与0．1μF小电... ]]></description>
		<wfw:commentRss>http://www.21say.com/lm1875-dual-supply-circuit-and-pdf-information/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>LM1875单电源供电电路及PDF资料</title>
		<link>http://www.21say.com/lm1875-pd/</link>
		<comments>http://www.21say.com/lm1875-pd/#comments</comments>
		<pubDate>Wed, 09 Jul 2008 14:04:36 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[lm1875]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=547</guid>
		<description><![CDATA[
LM1875单电源供电与双电源供电的基本工作原理相同，不同之处在于：单电源供电时，采用R1、R2分压，取1／2VCC作为偏置电压经过R3加到1脚，使输出电压以1／2VCC为基准上下变化，因此可以获得... ]]></description>
		<wfw:commentRss>http://www.21say.com/lm1875-pd/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>LM3886TF/T PDF资料</title>
		<link>http://www.21say.com/lm3886tf-pdf/</link>
		<comments>http://www.21say.com/lm3886tf-pdf/#comments</comments>
		<pubDate>Wed, 09 Jul 2008 13:41:38 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/?p=545</guid>
		<description><![CDATA[lm388... ]]></description>
		<wfw:commentRss>http://www.21say.com/lm3886tf-pdf/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>采用TDA2030的高保真有源音箱电路</title>
		<link>http://www.21say.com/tda2030-active-use-of-high-fidelity-speaker-circuit/</link>
		<comments>http://www.21say.com/tda2030-active-use-of-high-fidelity-speaker-circuit/#comments</comments>
		<pubDate>Sun, 24 Feb 2008 04:09:02 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>
		<category><![CDATA[2030]]></category>
		<category><![CDATA[tda2030]]></category>

		<guid isPermaLink="false">http://www.21say.com/tda2030-active-use-of-high-fidelity-speaker-circuit/</guid>
		<description><![CDATA[TDA2030是ETC的一款20W中功率高保真功率放大集成电路，年代已相当久远，但至今还有不少厂家出的电脑有源音箱中采用此IC,爱好都对此IC也是极有追捧。这足以证明TDA2030的性价比是相当好。虽然... ]]></description>
		<wfw:commentRss>http://www.21say.com/tda2030-active-use-of-high-fidelity-speaker-circuit/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>数字转模拟 VGA转VIDEO VGA转AV PCtoTV</title>
		<link>http://www.21say.com/%e6%95%b0%e5%ad%97%e8%bd%ac%e6%a8%a1%e6%8b%9f-vga%e8%bd%acvideo-vga%e8%bd%acav-pctotv/</link>
		<comments>http://www.21say.com/%e6%95%b0%e5%ad%97%e8%bd%ac%e6%a8%a1%e6%8b%9f-vga%e8%bd%acvideo-vga%e8%bd%acav-pctotv/#comments</comments>
		<pubDate>Sun, 18 Nov 2007 20:16:57 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
				<category><![CDATA[Audio]]></category>

		<guid isPermaLink="false">http://www.21say.com/%e6%95%b0%e5%ad%97%e8%bd%ac%e6%a8%a1%e6%8b%9f-vga%e8%bd%acvideo-vga%e8%bd%acav-pctotv/</guid>
		<description><![CDATA[个人有这方面的要求,在网上找到一些产品,在这里备忘一下: 
朗强宽带娱乐套装V800，通过一条网线即可以将网络或电脑上的电影、游戏、音乐，传送到家庭影院或者电视机上欣赏和娱乐。让您... ]]></description>
		<wfw:commentRss>http://www.21say.com/%e6%95%b0%e5%ad%97%e8%bd%ac%e6%a8%a1%e6%8b%9f-vga%e8%bd%acvideo-vga%e8%bd%acav-pctotv/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
	</channel>
</rss>
