I recently installed a second sound card in my PC. When I did, the OS
(Win8.1) grabbed the new card and made it the default card.
I want to go back now and reassign all the ham radio applications to the
original sound card, as I already have everything cabled up to work with
this card. I will use the new card only for Windows sounds.
I have been able accomplish this reassignment with all my ham radio
applications except for WriteLog. I am unable to find a menu item that
allows selection of a particular sound card.
I did find this web page:
http://k9jy.com/blog/writelogini/sound-card/
which advises editing the writelog.ini file to include
[WlSound]
WaveOutIndex=n
WaveInIndex=n
MixerIndex=n
I've done this and, testing via the WriteLog CW decoder, still don't have
any audio coming into the decoder. I've tested with values of n=0, 1 or 2.
Am I on the right track?
Does it matter where the [WISound] entries go in the writelog.ini file?
If it makes a difference, I am using WriteLog v11.17E, and I am editing the
writelog.ini file located in c:\Windows.
Tim K9WX
On Sun, Apr 12, 2015 at 11:44 PM, Jim Brown <jim@audiosystemsgroup.com>
wrote:
> On Sat,4/11/2015 7:10 AM, Randy Thompson K5ZD wrote:
>
>> I decided to try an external USB sound card for the mic input. I
>> purchase a
>> SYBA SD-DAC63094 for $30 from NewEgg.
>>
>
> For several years, I've been recommending Tascam and Numark USB sound
> cards designed for musicians and DJs for digital modes. Both are now
> discontinued, replaced by newer models, but the newer Tascams are fine.
> Both old and new are widely available on EBay at greatly reduced prices.
>
> Poking around N8LP's website a few weeks ago, I saw that he is now
> recommending an ASUS sound card for bringing quadrature IF outputs into a
> computer for his NaP3 software. B&H in NYC is currently selling them for
> $70. 192 kHz, all the ins and outs we need for both SSB and digital modes.
>
> There is GREAT virtue in using a sound card of this quality for digital
> modes. I experienced modest, but noticeable improvement in weak signal
> decoding RTTY when I switched from the sound card internal to my Thinkpads,
> but the improvements with K1JT's WSJT family of modes is dramatic -- the
> USB units decode twice as many signals per pass and regularly 10-12 dB
> deeper into the noise.
>
> I wrote up my test methods in a report that also includes a tutorial on
> setting levels. http://k9yc.com/USB_Interfaces.pdf
>
> Here's the Asus unit Larry recommends. My neighbor, N6NUL, bought one and
> loaned it to me the check out. So far I've only looked at WSJT decoding,
> which is quite good.
>
> http://www.bhphotovideo.com/bnh/controller/home?O=&sku=1086995&gclid=CKTt-
> q6u8sQCFRSIfgod3LQAVg&Q=&is=REG&A=details
>
> 73, Jim K9YC
>
>
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>
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