semi-pro PCI snd crd for linux

[Chris Aitken]

Damn, -I got a response to this but i deleted it by mistake. can someone 
resend it?

Thanks,

Chris


Chris Aitken wrote:
> Lennart Sorensen wrote:
>
> <snip>
>> Well TRS literally just means Tip Ring Sleeve.  A stereo jack is a TRS
>> jack, but it is not a balanced signal.
> "jack" meaning the port (the hole you are plugging into) or the male 
> end of a cable?
>>   It seems often TRS is used to
>> refer to balanced, and TS (Tip Sleeve (no ring)) is used to refer to
>> unbalanced [both mono of course].
>>   
> And this is wrong?
>> And yes you got it right.  All you can visibly see is that it is a 1/4"
>> jack.  You need to know by the specs if it is a stereo jack, or a
>> balanced or unbalanced mono jack.
>>   
> So, you need the specs to know if the port (jack) is stereo, balanced 
> or unbalanced (mono). But is a TRS cable always capable of stereo and 
> balanced signal (depending on whether the port you are plugging into 
> transmits stereo or balanced signal)? Or is there balanced TRS and 
> stereo TRS and never the twain shall meet? In that case, again, I 
> would need to know (specs) whether it was stereo TRS or balanced TRS?
>
> I guess until I get an answer to that I would be safe as long as any 
> TRS I use I am assured is balanced and any port (jack) I plug it into 
> I am assured is balanced. At least now I understand why you still need 
> L and R ports for balanced. It's because L and R are carrying their 
> respective parts of the stereo whole, and balanced has to do with 
> noise reduction.
>
> Chris
>
> P.S. I would still like to know if all TRS cables are both stereo and 
> balanced at the same time (meaning the stereo or balanced application 
> would have to do with the port (jack) it's plugging into).  I fear the 
> answer to this question is 'No', which means I will have to replace 
> some of my cables. I probably would have had to replace them anyway as 
> the local recording guru advises I use military grade cabling (which, 
> I assume, ain't the stuff they flog at The Source).
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--
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