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Re: [RTTY] Sound Card Testing

To: rtty@contesting.com
Subject: Re: [RTTY] Sound Card Testing
From: t3 <T3@semarg.ath.cx>
Reply-to: T3@semarg.ath.cx
Date: Mon, 25 Jul 2005 21:28:53 -0400
List-post: <mailto:rtty@contesting.com>
tnks for all the help guys.. im going to scan all the past messages,
i just could not remember who did it the testing..
im going to look for a Turtle beach, maby my local Circuit City has one..

73 -
Tony
NN1D


Robert McGwier wrote:

>The cards above the "Gold level" in that table are professional audio 
>cards with the associated price tag.  The Turtle beach is at the top of 
>the list of  "consumer" cards.  You do not need 113 dB of dynamic range 
>for amateur sound card applications (not SDR but TTY programs) so why 
>would anyone doing TTY spend $2500 on the Lynx Two?
>
>Those cards above the gold line get their performance in these tests 
>because they are 24 bit sound cards.  Most sound card programs doing TTY 
>(all of them?) open the cards using directX or
>MME (not WAVEFORMATEXTENSIBLE) and this limits them to 16 bits.  You 
>then get the same noise floor and dynamic range as the Turtle Beach.  
>The Turtle beach is not perfect but it is a great buy at its current price.
>
>Bob McGwier
>N4HY
>
>
>Jim Reisert AD1C wrote:
>
>  
>
>>--- Peter Laws <plaws0@gmail.com> wrote:
>>
>> 
>>
>>    
>>
>>>On 7/25/05, Alex, VE3NEA <alshovk@dxatlas.com> wrote:
>>>   
>>>
>>>      
>>>
>>>>Tony,
>>>>
>>>>A fairly good sound card comparison table is here:
>>>>http://www.pcavtech.com/soundcards/index.htm
>>>>     
>>>>
>>>>        
>>>>
>>>Doesn't seem to be ham-radio focused ...  
>>>   
>>>
>>>      
>>>
>>Bob McGuire (N4-something) did some testing a year or two ago and concluded
>>that the Turtle Beach Santa Cruz was the best.  It's pretty high on the
>>pcavtech list as well.  Search the archives.
>>
>>- Jim
>>
>>
>>--
>>Jim Reisert AD1C, 7 Charlemont Court, North Chelmsford, MA 01863
>>USA +978-251-9933, <jjreisert@alum.mit.edu>, http://www.ad1c.us
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>>
>> 
>>
>>    
>>
>
>
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