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    <div class="moz-cite-prefix">Hi,<br>
      <br>
      I have to admit that I'm also a bit confused by this mail about
      the asio (forAll) driver.<br>
      How do I : "  Choose the ASIOxxx driver as the
      audio output device on the software"<br>
      <br>
      <br>
      73 Bert.<br>
      <br>
      <br>
      Op 30-11-2015 om 8:21 schreef Helmut:<br>
    </div>
    <blockquote cite="mid:000001d12b3f$b27ebf40$177c3dc0$@de"
      type="cite">
      <pre wrap="">***** High Performance Software Defined Radio Discussion List *****

</pre>
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        <p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">Eager to climb up the
            learning curve: I
            thought the on-board audio codec TL320 is controlled by USB
            protocols as part
            of the Ethernet protocol. How can I run the  ASIO transfer
            protocol?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US">73, Helmut<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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          <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
              Hpsdr
              [<a class="moz-txt-link-freetext" href="mailto:hpsdr-bounces@lists.openhpsdr.org">mailto:hpsdr-bounces@lists.openhpsdr.org</a>] <b>Im Auftrag
                von </b>Anupam Prasad<br>
              <b>Gesendet:</b> Sonntag, 29. November 2015 18:42<br>
              <b>An:</b> <a class="moz-txt-link-abbreviated" href="mailto:hpsdr@lists.openhpsdr.org">hpsdr@lists.openhpsdr.org</a><br>
              <b>Betreff:</b> Re: [hpsdr] Audio distortions during
              zoom/pan panadapter
              display_2<o:p></o:p></span></p>
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        <p class="MsoNormal"><o:p> </o:p></p>
        <p>Dear Bert, <o:p></o:p></p>
        <p>The problem you have mentioned is perhaps due to the audio
          buffer settings.
          However, there are ways that one can use to get rid of this
          problem.<o:p></o:p></p>
        <p>1. Try to use ASIO drivers. <a moz-do-not-send="true"
            href="http://www.asio4all.com">http://www.asio4all.com</a>.
          Just download the the driver and install. Choose the ASIOxxx
          driver as the
          audio output device on the software. This will dramatically
          reduce the audio
          latency at the same buffer size as compared to WDM drivers. <o:p></o:p></p>
        <p>2. In case the problem still persists try increasing the
          audio buffer size
          from the control panel of the asio driver. It will appear in
          the bottom right
          side next to the sound /volume control icon. Please note that
          the ASIO icon
          appears only when it is in use by a host program.  <o:p></o:p></p>
        <p style="margin-bottom:12.0pt">3. Best of luck. Do let me know
          if you have any
          doubts. <br>
          <br>
          <br>
          <o:p></o:p></p>
        <p>73, <o:p></o:p></p>
        <p>Anupam Prasad <o:p></o:p></p>
        <div>
          <p class="MsoNormal">On 29 Nov 2015 9:57 pm, "Warren C. Pratt"
            <<a moz-do-not-send="true"
              href="mailto:warren@wpratt.com">warren@wpratt.com</a>>
            wrote:<o:p></o:p></p>
          <p class="MsoNormal" style="margin-bottom:12.0pt">***** High
            Performance Software
            Defined Radio Discussion List *****<br>
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            <o:p></o:p></p>
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            <p class="MsoNormal"><o:p> </o:p></p>
            <div>
              <p class="MsoNormal"><br>
                Hi Bert,<br>
                <br>
                Since you mentioned a "windows code writer", and I am
                one of them, I
                thought I'd comment.  The bottom line is that I don't
                know what is
                causing this problem.  It does sound like it's latency
                related in some
                way.  I thought Bill's question about the mouse was a
                good one;
                unfortunately, it's not clear that's the problem.  I
                recall seeing posts
                in the past about how running a latency monitor resolved
                some problem. 
                However, I don't believe it was this same problem.<br>
                <br>
                There is a different way that we can handle the software
                threads in the
                PowerSDR application to ask for better control of
                priority from the operating
                system.  However, moving to that will require NOT
                supporting XP any
                longer.  So, we're been waiting a little longer to go
                that way.  I
                can't say whether that would help in this situation or
                not.<br>
                <br>
                73,<br>
                Warren  NR0V<o:p></o:p></p>
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