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    <title>TechOnline Forums: Message List - Audio Forum</title>
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    <description>Most recent forum messages</description>
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    <pubDate>Tue, 09 Feb 2010 17:16:23 -0500</pubDate>


    <item>

        <title>Re: Comments for: &quot; Eavesdropping using microwaves - addendum&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21823&amp;tstart=0#21823</link>

        

        
            <description><![CDATA[I don't know. Try putting an rf signal of a low frequency on one of the strings of the harp using a small alligator clip connected to a wire and oscilator. Voices in the room should cause the harp string to vibrate which would then modulate the rf wave....]]></description>
        

        <pubDate>Fri, 05 Feb 2010 16:37:03 -0500</pubDate>

        

        <jf:creationDate>Fri, 05 Feb 2010 16:37:03 -0500</jf:creationDate>
        <jf:modificationDate>Fri, 05 Feb 2010 16:37:03 -0500</jf:modificationDate>
        <jf:date>Feb 5, 2010</jf:date>
        <jf:author>Sventhewonderyak</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot; Eavesdropping using microwaves - addendum&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21822&amp;tstart=0#21822</link>

        

        
            <description><![CDATA[The following is from a usenet post from 1987:<br />...]]></description>
        

        <pubDate>Fri, 05 Feb 2010 16:29:06 -0500</pubDate>

        

        <jf:creationDate>Fri, 05 Feb 2010 16:29:06 -0500</jf:creationDate>
        <jf:modificationDate>Fri, 05 Feb 2010 16:29:06 -0500</jf:modificationDate>
        <jf:date>Feb 5, 2010</jf:date>
        <jf:author>Sventhewonderyak</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot;Vinyl vs. CD myths refuse to die&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21704&amp;tstart=0#21704</link>

        

        
            <description><![CDATA[OK, there is no need to debate the digital format if you thinks its accurate.  Sinewaves are easy for a filter to reconstruct from a square wave.  In fact, redbook cd playback essentially tries to turn everything back into sinewaves.<br />...]]></description>
        

        <pubDate>Tue, 02 Feb 2010 22:50:27 -0500</pubDate>

        

        <jf:creationDate>Tue, 02 Feb 2010 22:50:27 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 02 Feb 2010 22:50:27 -0500</jf:modificationDate>
        <jf:date>Feb 2, 2010</jf:date>
        <jf:author>tomelex</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>How to design Bessel Filter</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21682&amp;tstart=0#21682</link>

        

        
            <description><![CDATA[Hi , <br />
<br />
I'd like to desing a  Digital Bessel Filter by MATLAB , but I have not idea how to make . Is there anyone can give me some suggestions ? <br />
<br />
Thanks .<br />
<br />
Best regards, <br />
<br />
Windy]]></description>
        

        <pubDate>Tue, 02 Feb 2010 07:20:00 -0500</pubDate>

        

        <jf:creationDate>Tue, 02 Feb 2010 07:20:00 -0500</jf:creationDate>
        <jf:modificationDate>Tue, 02 Feb 2010 07:20:00 -0500</jf:modificationDate>
        <jf:date>Feb 2, 2010</jf:date>
        <jf:author>Huadi</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot; Eavesdropping using microwaves - addendum&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21619&amp;tstart=0#21619</link>

        

        
            <description><![CDATA[Does anyone know how (or whether) an orchestral harp could be bugged? Or can you think of an instrument suitable for bugging--one not likely to be kept in a case most of the time (like a guitar), which might interfere with the task at hand?<br />...]]></description>
        

        <pubDate>Sun, 31 Jan 2010 21:16:47 -0500</pubDate>

        

        <jf:creationDate>Sun, 31 Jan 2010 21:16:47 -0500</jf:creationDate>
        <jf:modificationDate>Sun, 31 Jan 2010 21:16:47 -0500</jf:modificationDate>
        <jf:date>Jan 31, 2010</jf:date>
        <jf:author>TechQuestions</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Comments for: &quot; Eavesdropping using microwaves - addendum&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21618&amp;tstart=0#21618</link>

        

        
            <description><![CDATA[Read the article here: <a href="http://www.audiodesignline.com/howto/173602214"> Eavesdropping using microwaves - addendum</a>]]></description>
        

        <pubDate>Sun, 31 Jan 2010 21:16:47 -0500</pubDate>

        

        <jf:creationDate>Sun, 31 Jan 2010 21:16:47 -0500</jf:creationDate>
        <jf:modificationDate>Sun, 31 Jan 2010 21:16:47 -0500</jf:modificationDate>
        <jf:date>Jan 31, 2010</jf:date>
        <jf:author>TechQuestions</jf:author>
        <jf:replyCount>3</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot;Challenges in automotive radio design&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21390&amp;tstart=0#21390</link>

        

        
            <description><![CDATA[DAB is hardly an emeging technology. The UK alone has over 30o Radio Service being transmitted across the country where DAB is receivable by up to 90% of the population!<br />...]]></description>
        

        <pubDate>Mon, 25 Jan 2010 11:37:45 -0500</pubDate>

        

        <jf:creationDate>Mon, 25 Jan 2010 11:37:45 -0500</jf:creationDate>
        <jf:modificationDate>Mon, 25 Jan 2010 11:37:45 -0500</jf:modificationDate>
        <jf:date>Jan 25, 2010</jf:date>
        <jf:author>tonywin</jf:author>
        <jf:replyCount>0</jf:replyCount>
    </item>


    <item>

        <title>Comments for: &quot;Challenges in automotive radio design&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21389&amp;tstart=0#21389</link>

        

        
            <description><![CDATA[Read the article here: <a href="http://www.audiodesignline.com/howto/222301172?pgno=2#community">Challenges in automotive radio design</a>]]></description>
        

        <pubDate>Mon, 25 Jan 2010 11:37:45 -0500</pubDate>

        

        <jf:creationDate>Mon, 25 Jan 2010 11:37:45 -0500</jf:creationDate>
        <jf:modificationDate>Mon, 25 Jan 2010 11:37:45 -0500</jf:modificationDate>
        <jf:date>Jan 25, 2010</jf:date>
        <jf:author>tonywin</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot;Vinyl vs. CD myths refuse to die&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21234&amp;tstart=0#21234</link>

        

        
            <description><![CDATA[<I>Well, now really, how accurate a representation of say a simple sinewave at 20 khz are we getting with redbook sampling frequency?</I> <br />...]]></description>
        

        <pubDate>Wed, 20 Jan 2010 13:23:51 -0500</pubDate>

        

        <jf:creationDate>Wed, 20 Jan 2010 13:23:51 -0500</jf:creationDate>
        <jf:modificationDate>Wed, 20 Jan 2010 13:23:51 -0500</jf:modificationDate>
        <jf:date>Jan 20, 2010</jf:date>
        <jf:author>rpell</jf:author>
        <jf:replyCount>1</jf:replyCount>
    </item>


    <item>

        <title>Re: Comments for: &quot;Vinyl vs. CD myths refuse to die&quot;</title>
        <link>http://www.techonline.com/tigforums/thread.jspa?messageID=21025&amp;tstart=0#21025</link>

        

        
            <description><![CDATA[Well, now really, how accurate a representation of say a simple sinewave at 20 khz are we getting with redbook sampling frequency?  How about at 10 khz?  Connect the dots!<br />...]]></description>
        

        <pubDate>Fri, 15 Jan 2010 22:38:37 -0500</pubDate>

        

        <jf:creationDate>Fri, 15 Jan 2010 22:38:37 -0500</jf:creationDate>
        <jf:modificationDate>Fri, 15 Jan 2010 22:38:37 -0500</jf:modificationDate>
        <jf:date>Jan 15, 2010</jf:date>
        <jf:author>tomelex</jf:author>
        <jf:replyCount>2</jf:replyCount>
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