🚀 go-pugleaf

I am building a sound card for my PC (much more fun than buying one)
and I am wondering how to get really good sound quality.

The card and computer will be dedicated to playing sound (as its not so
I can have really good sound just to play games) so it should be able
to provide data at a rate of 176.4 words per second to the 16bit DAC.

How do CD players do their over sampling ? Do you have to use a DSP ?

How Do they do their Digital Filtering?

While suppling the data the the DAC there is a small amount of time 
where the output drops to zero while the FIFO that supplies the data
is in transition to the next word (about 300 ns). 
Will a filter remove and this glitch ?
Or should I use a store and hold amp ?
Or would it be easier to use two 74LS373's ( trans. octal latch ) ?
BURR BROWN suggest passing the final output through a low pass filter anyway.
What is a good low pass filter ?

The prototype board I am wire-wrapping on has a ground plane so I hope
this will shield some of the noise.
What sort of problems can I expect to encounter with noise and how
can I overcome it?

Oh so many questions.  But then I am only one of those ignorant programmers
who does not wade to deeply into the unknown depths of analog electronics.

Thankyou for you time.

"You can't know everything until you know you can't know everything"
                                                      - Hamersley.