Re: Windows 7 Ultimate 64bit on ASUS P5K Premium Black Pearl Edition, No Dolby 5.1 over SPIF optical
- From: Paul <nospam@xxxxxxxxxx>
- Date: Fri, 18 Dec 2009 05:04:11 -0500
Julian wrote:
Thanks a lot for your detailed response, Paul.
I have an old Intel D925XCV and a brand new Intel DX8SO and after I
compared their specs with the Asus
and you are right, both Intel have software encoder and better
audio chips but no Dolby at all on the Asus.
My Intel DX8SO (here: http://tinyurl.com/7mzvke ) incorporates a 7.1
Surround Sound with Dolby Home Theater that Intel called "Intel High
Definition Audio" ( here: http://tinyurl.com/myj45 ).
I built this DX8SO PC to replace my old ASUS P5K Premium Black Pearl
Edition which I moved to my entertainment room without thinking that
such a "top of the line" board wouldn't have all the audio goodies the
old D925XCV has (this I moved to another office)
As you said, my ASUS P5K Premium Black Pearl Edition has an AD1988B
chip (here: http://tinyurl.com/y872tdm ) and I don't see anything
about this chip encoding Dolby when looking though the specs, so it
seems my only hope is to follow your advice and install a software
encoder, you say free-software encoder, can you please point me to
that?
The P5K has an Intel Core 2 Extreme Q 6850 processor and 4GB of RAM,
and my brand new DX8SO an Intel i7 920 with 6GB of ram (both running
Windows 7 Ultimate 64bit), I decided to keep the DX8SO as my work PC
because the big RAM and the newest processor but I'm not really sure
now if there is a big difference between both machines, one think is
for sure, the DX8SO is an excellent board with nice built in audio so
I have to decide which one will deliver the best multimedia with less
latency and better video.
Thanks again,
Julian
It's been a while since I looked for a software encoder, but I expect
there is one out there somewhere.
At one time, Google would allow me to search for my own postings,
now over 20,000. Google is now broken, with respect to personal
searching. So there is no hope of me finding a previous post
I might have made, about AC-3. So I cannot even review my previous
notes, using Google.
If a Creative Labs sound card continues to have such a capability,
that would be another option. Add a sound card and use whatever AC-3
encoder function it might employ. The advantage there could be, that
the latency would be low enough for general usage.
Or you could go in search of that Korean card.
This will give you some idea how "transparent" AC-3 is :-)
It also explains why there has to be some latency in it.
The encoder has to view the dynamic content to pick the
right coder options at any instant in time.
http://www.mp3-tech.org/programmer/docs/ac3-flex.pdf
*******
I tried looking on Newegg for a card, and noticed HT-Omega was
using CMedia chips. So I looked here, to see if any have encoder
functions. A couple of chips do.
http://www.cmedia.com.tw/pci_audio_new.html
HT-Omega card - seems to have the odd driver issue.
Hard to tell what you're getting for the money.
Has the chip that can encode AC-3, but you'd need to
find a better product description to understand whether
it is working or not. or alternately, look for other sound
card companies using one of the CMedia chips.
http://www.newegg.com/Product/Product.aspx?Item=N82E16829271001
This Creative card may have the capability. This one is PCI Express x1. $99
http://www.newegg.com/Product/Product.aspx?Item=N82E16829102024
Windows 7 will likely add more variables to your situation,
as some of the smaller companies making sound cards, may not
be able to "keep up" from a driver perspective.
Paul
.
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