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鎵撴惉瀹朵簡(jiǎn) 
;)</description><language>zh-cn</language><lastBuildDate>Sat, 14 Mar 2009 04:46:34 GMT</lastBuildDate><pubDate>Sat, 14 Mar 2009 04:46:34 GMT</pubDate><ttl>60</ttl><item><title>鍚勭 闊抽鏂囦歡杞崲</title><link>http://www.aygfsteel.com/Skynet/archive/2009/03/14/259695.html</link><dc:creator>鍒樺嚡姣?/dc:creator><author>鍒樺嚡姣?/author><pubDate>Sat, 14 Mar 2009 04:05:00 GMT</pubDate><guid>http://www.aygfsteel.com/Skynet/archive/2009/03/14/259695.html</guid><wfw:comment>http://www.aygfsteel.com/Skynet/comments/259695.html</wfw:comment><comments>http://www.aygfsteel.com/Skynet/archive/2009/03/14/259695.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/Skynet/comments/commentRss/259695.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/Skynet/services/trackbacks/259695.html</trackback:ping><description><![CDATA[<br />
鏂囦歡灞炴�ф煡鐪嬶細(xì)<br />
file test.mp3<br />
&gt;&gt;test.mp3: MP3, 128 kBits, 44.1 kHz, JStereo<br />
<br />
ffmpeg -i test.mp3<br />
&gt;&gt;Input #0, mp3, from 'test.mp3':<br />
&nbsp; Duration: 00:04:31.26, start: 0.000000, bitrate: 128 kb/s<br />
&nbsp;&nbsp;&nbsp; Stream #0.0: Audio: mp3, 44100 Hz, stereo, s16, 128 kb/s<br />
At least one output file must be specified<br />
<br />
<br />
<br />
<strong>lame 錛歭inux 鍏朵粬鏍煎紡杞?mp3 宸ュ叿 ;</strong><br />
浣嶆暟 --abr 16/8/4<br />
澹伴亾 -m s/m<br />
閲囨牱鐜?--resample 16/44.1..<br />
鐮佺巼/姣旂壒鐜?-b 128/64 <br />
&nbsp;<strong><span style="color: #ac0000;">lame </span></strong>--resample 16 --abr 16&nbsp; -m s -b 128 test.mp3&nbsp; 07_128.mp3<br />
<br />
<br />
<strong>ffmpeg : linux 瑙嗛闊抽澶勭悊</strong><br />
*浣嶆暟 <br />
閲囨牱鐜?-ar <br />
澹伴亾 -ac 1/2<br />
鐮佺巼/姣旂壒鐜?-ab 32/218&nbsp; &lt;acc&gt;<br />
&nbsp; ffmpeg -i test.mp3 -ar 44100&nbsp; -ac 2 -ab 32&nbsp; 18_32.aac<br />
<br />
<br />
<br />
&lt;wav&gt;<br />
&nbsp; ffmpeg -i test.mp3 -ar 22050&nbsp; -ac 1 -ab 32&nbsp; _32.wav<br />
<br />
<br />
&lt;wma&gt;<br />
&nbsp; ffmpeg -y&nbsp; -i test.mp3 -acodec wmav2&nbsp; -ar 44100&nbsp; -ac 2 -ab 32000 24.wma<br />
<br />
<strong>sox : linux 寮�婧愰煶棰戣漿鎹紙鍙敮鎸佸紑婧愭牸寮忥級(jí).</strong><br />
&lt;vox_2&gt;<br />
&nbsp; ffmpeg -y&nbsp; -i test.mp3 -acodec pcm_alaw&nbsp; -ar 4000&nbsp; -ac 1 -ab 32000&nbsp; 22_tmp.wav<br />
&nbsp; sox 22_tmp.wav -r 8000&nbsp; 22.vox <br />
<br />
<br />
<img src ="http://www.aygfsteel.com/Skynet/aggbug/259695.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/Skynet/" target="_blank">鍒樺嚡姣?/a> 2009-03-14 12:05 <a href="http://www.aygfsteel.com/Skynet/archive/2009/03/14/259695.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>          <footer>
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