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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>
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<pre wrap="">***** High Performance Software Defined Radio Discussion List *****
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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
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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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<p class="MsoNormal"><o:p> </o:p></p>
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<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.Â
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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