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	<title>扶凯 &#187; h264</title>
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		<title>Mencoder的常用h264优化参数和建议</title>
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		<pubDate>Tue, 28 Jul 2009 08:29:40 +0000</pubDate>
		<dc:creator>扶 凯</dc:creator>
				<category><![CDATA[Linux 音视频技术]]></category>
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		<description><![CDATA[x264在着非常好的压缩比,在同等码流上比别的视频清楚多了,如下是最常常用参数优化.使用的2次pass 1st pass mencoder&#160; -sws 9&#160; -oac faac -faacopts mpeg=4:br=160:object=2 -srate 48000 -channels 2&#160; -vf crop=708:... ]]></description>
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