[Elecraft] USB Sound Adaptor

[Oliver Johns]

But be careful.  There are several models that look alike externally.  But only one has stereo microphone input.  This is the one with stereo:
SYBA USB sound card
SYBA SD-AUD20101
VIA ENVY VT1620A
<http://www.amazon.com/Syba-Digital-Optical-Output-SD-AUD20101/dp/B006SF68P2/ref=sr_1_1?s=electronics&ie=UTF8&qid=1347141912&sr=1-1&keywords=syba+sd-aud20101>

It works.  Haven't tested it for noise, etc., yet.

Oliver
W6ODJ


On 12 Jan. 2012, at 6:58 AM, Richard Fjeld <rpfjeld at embarqmail.com> wrote:

> Don't you just hate when this happens after you (and I) have already bought 
> it.  This site has them for $1.69
> 
> Has anyone verified if this will actually function in place of a USB 
> soundcard for pan-adapter use?
> 
> http://www.ebay.com/itm/Black-External-USB-2-0-3D-Virtual-Audio-Sound-Card-Adapter-Converter-7-1-CH-/320972694617?_trksid=p5713.m2062&_trkparms=aid%3D555001%26algo%3DPW.CURRENT%26ao%3D1%26asc%3D26%26meid%3D1993749845807054531%26pid%3D100042%26prg%3D1010%26rk%3D7%26
> 
> Rich, n0ce
> 
> ----- Original Message ----- 
> From: "Clint" <clint.stark at sbcglobal.net>
> To: <elecraft at mailman.qth.net>
> Sent: Wednesday, August 29, 2012 12:37 PM
> Subject: [Elecraft] USB Sound Adaptor
> 
> 
>> I received the USB Dongle yesterday. ( 
>> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=310401470794&ssPageName=ADME:L:OU:US:3160 ) 
>> First, it IS stereo in and stereo out. There is some confusing wording even 
>> on the packaging but it is indeed stereo all around. Someone suggested that 
>> the chip MAY not be as advertised. As this IS from China (with a Taiwanese 
>> chip) and having dealt with Asia for decades, I opened it (not recommended 
>> for the inexperienced, it is glued shut).
>> It is indeed the Via Vinyl Envy USB VT-1620A chip ( 
>> http://www.via.com.tw/en/products/audio/usb/vt1620a/index.jsp ). The Via 
>> driver from their web site loaded and recognized the chip so I am 100% 
>> sure it is genuine. It should be capable of:
>> a.. 2-channel ADC with 90dB SNR, 16/24-bit supporting 44.1/48/96/192kHz 
>> sample rates
>> a.. 2-channel DAC with 95dB SNR, 16/24-bit supporting 44.1/48/96/192kHz 
>> sample rates
>> I have some photos if anyone is interested. It is a nice little board and 
>> looks to be well made.
>> Both the input (Mic) and output (Headphones and SPDIF optical) are 
>> standard 1/8 stereo jacks with the output having the additional optical 
>> coupler mounted just past the electrical contacts.
>> It works great with HRD but I have no way of testing it for I/Q use as my 
>> KX3 is still a dream and my K3 is not equipped for I/Q out.
>> Maybe someone better equipped and more knowledgeable could put this little 
>> guy through some tests??? If so contact me. FYI my QTH is Watsonville.
>> BTW, I have no financial interest in this at all. This is all just FYI and 
>> me getting ready for my KX3 when the CFO gives me the go ahead.
>> 
>> 73
>> 
>> Clint KI6SSN
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