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	<title>骆驼调频 &#187; CD</title>
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		<title>音源知识</title>
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		<pubDate>Tue, 16 Dec 2008 18:47:44 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
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		<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>
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		<title>CD的标准规格</title>
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		<pubDate>Tue, 16 Dec 2008 18:44:24 +0000</pubDate>
		<dc:creator>骆驼</dc:creator>
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		<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>
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