[pskmail] Re: USB soundcards

  • From: Rein Couperus <rein@xxxxxxxxxxxx>
  • To: pskmail@xxxxxxxxxxxxx
  • Date: Thu, 14 Aug 2008 20:47:54 +0200

I have cured it several times with using PortAudio and fixed samplerate of 
48000 Hz.
Not used USB sound card though, I have tried several but was not able to 
control 
the volume. Strange enough USB sound cards do work ok with skype, they seem to 
have 
a propriatory driver?

73

Rein PA0R

(preparing client version 1.0)

> -----Ursprüngliche Nachricht-----
> Von: "Ed" <autek@xxxxxxxxxxx>
> Gesendet: 14.08.08 20:41:51
> An: pskmail@xxxxxxxxxxxxx
> Betreff: [pskmail] Re: USB soundcards


> Pär Crusefalk wrote:
> > Hi all,
> > 
> > I am preparing to move the server to new hardware. I intend to use an
> > Axiomtek ebox, an industrial embedded and diskless pc. This one:
> > http://www.cadar.co.uk/embeddedpcs/ebox746.php
> > 
> > I'm using an 8 GB compact flash card instead of a harddisk and xubuntu,
> > pskmail and fldigi is running fine. But...
> > The PC has no built in soundcard and no pci so I'm using a USB
> > soundcard, have two different makes that I am testing. When listening to
> > music I find the sound quality is great. When using fldigi I have some
> > clicks, almost like static, and crashes on top of the psk. I have tested
> > two different cards but they both behave the same way.
> > When I listen to the pskmail traffic on 30 meters I can hear that a few
> > others are using usb cards as well... But, they sound a little bit
> > better than mine does.  Any hints as to what can be done to improve the
> > sound?
> > 
> > 73 de Per, sm0rwo
> 
> 
> Per, try adjusting the sample rate. This is a pretty common problem when 
> using portaudio. You may also want to use OSS.
> 
> Ed W3NR
> 
> for the fldigi Alpha team
> 
> 
> 
> 

-- 
http://pa0r.blogspirit.com

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