[mythtvnz] hardware recommendations for dedicated box

[Stephen Worthington]

On Tue, 19 Aug 2008 19:44:23 +1200, you wrote:

>Stephen Worthington wrote:
>> I would wonder about the quality of the audio from an amplifier inside
>> a PC.  There is a *lot* of interference inside a PC for audio signals.
>> Personally, I have the SP/DIF output from my audio card connected to
>> my CD player which has digital inputs and acts as a DAC too.  It feeds
>> my audio pre-amp and from there to my class A amp.  But I only do
>> stereo, not 5.1 or 7.1, and I can't stand to listen to crappy sound.
>>   
>Surely the highest risk of interferene is when the signal level is low, 
>compared to the interference, ie the signal before it is amplified, as 
>it comes from the motherboard audio circuitry. If they can protect it 
>adequately on the motherboard I don't see why they can't protect it well 
>enough in the pre-amp stage on an amp board (or any stage after that, 
>come to that).

I am not at all sure they do protect the low level audio signals
adequately.  I am taking the digital SP/DIF signal from the PC - the
digital to analogue conversion is done by the DAC part of my CD
player.