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Incredible X-Fi mod *WILL VOID YOUR WARRANTY*, 56K WARNING - Page 92

post #911 of 979
Really? Are you sure? Could i at least use the ERS paper because my GPU is right on top of my sound card... stupud motherboard layout, honestly.
post #912 of 979
If your cards are good they'll each at least have a ground plane and especially the video cards have a farm of ultra low Z solide polymer electrolytics that are effective well into the MHz region.

Whatever noise that does get out will be absorbed by the ground planes and local bypassing, including the capacitive decoupling nature of the ground planes themselves into the VHF range.

If the power planes and decoupling sucks and causes inteference between video card and PCI slot you might have issues but I've never seen it matter.

What matters more is a quality motherboard with great onboard power distribution and a low noise design which something like the long life line from gigabyte provides and almost any silver plus rated supply that's rated for say double the max you'd ever need which are easy enough to come by now with active PFC and good input filtering too.

If you want to get your fingers dirty and just hack into it inspect the card for it's onboard power rail input filtering and regulators, if any. See what's there and see if and how it can be improved on. You can only drop so much voltage, likely very little, but a stage or two of RC filtering pre regulator can be exactly what's missing as cheap onboard regulators, if any, will pass the HF noise capacitively.

Slap some high quality bypassing across whaver else it be that matters, and calls it a night.

BTW, the ground plane of your soundcard probably faces the GPU so ti's shielded by so.
post #913 of 979
you can use ERS paper on the back of any sound or video card. You will need to use an insulator as ERS is conductive.
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post #914 of 979
There's no use using it on the back of any soundcard given that I've never seen one that lacked a full ground plane, and there's no use in shielding a shield with a less ideal shield that's left to float, making a nice noise receptor and reflector, further free to couple said noise capacitively into the very thing it's intended to shield, since as you say, it's a conductor, seperated by an isolator, from another conductive plate, fitting the definition of a capacitor.

You're still every bit as reliant on the ground plane and decoupling as conduction over I/O and rails is the other form of ingress, so you're better off concentrating on optimizing those avenues and improved overall noise rejection results and it also helps keep noise on the plane controlled and low.

To be perfectly honest employing the ERS paper, as is only seen in audiophile tweaks in a true follow the leader fashion, employs the identical theory as found in the patented audiophile Shakti stone. The upside to it is that the paper is two orders of magnitude cheaper than a Shakti stone, and actually serves a purpose if properly used.


The true intended use of the ERS paper is more as an enclosure lining to absorb, scatter and diffuse energy within a high frequency range or help seal cracks. The range the paper is effective at absorbing a portion of the noise energy is going to be fully covered by the low Z ground plane effectiveness at those same frequencies and more, while doing so more effectively. Frequencies for which the paper is effective will easily reflect all around the paper. It won't do any harm other than cooling and noise coupling but it sure won't do much good.
post #915 of 979
Quote:
Originally Posted by linkin93 View Post
Can i do this on my lowly X-Fi Xtreme Audio PCI-E? Here's a picture of the card if it helps:



Apparently my card is a "software" x-fi, is this true? By the way guys i am an audiophile-in-training. hence the soundcard over onboard in the first place lol.
Your money is best spent on a higher quality card to begin with. For a few hundred bucks you can get some half decent.
post #916 of 979
Quote:
Originally Posted by rollemup View Post
There's no use using it on the back of any soundcard given that I've never seen one that lacked a full ground plane, and there's no use in shielding a shield with a less ideal shield that's left to float, making a nice noise receptor and reflector, further free to couple said noise capacitively into the very thing it's intended to shield, since as you say, it's a conductor, seperated by an isolator, from another conductive plate, fitting the definition of a capacitor.

You're still every bit as reliant on the ground plane and decoupling as conduction over I/O and rails is the other form of ingress, so you're better off concentrating on optimizing those avenues and improved overall noise rejection results and it also helps keep noise on the plane controlled and low.

To be perfectly honest employing the ERS paper, as is only seen in audiophile tweaks in a true follow the leader fashion, employs the identical theory as found in the patented audiophile Shakti stone. The upside to it is that the paper is two orders of magnitude cheaper than a Shakti stone, and actually serves a purpose if properly used.


The true intended use of the ERS paper is more as an enclosure lining to absorb, scatter and diffuse energy within a high frequency range or help seal cracks. The range the paper is effective at absorbing a portion of the noise energy is going to be fully covered by the low Z ground plane effectiveness at those same frequencies and more, while doing so more effectively. Frequencies for which the paper is effective will easily reflect all around the paper. It won't do any harm other than cooling and noise coupling but it sure won't do much good.
Actually, if installed properly ERS paper is grounded. And mass loading can be beneficial, no magic rocks needed. Your attitude is more of a problem than any so called "magic" bs. Sometimes even in 'science' things just happen that cannot be explained or are extremely difficult to explain, the same is true with many audio tweaks. Sometimes they just work.

Don't get me wrong, I don't subscribe to most of the crap and when audiophile companies
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post #917 of 979
Here's a new software package that would sure be beneficial to all Modded Xtreme Music Owner.
http://forums.creative.com/t5/Sound-...22/td-p/554563
post #918 of 979
I found some Nichicon 1000uF, but with 63V instead of 16V, will this work on the mod? Right now I have a light green Nichicon but standard capacitor and not audio grade.

Thanks,
post #919 of 979
Quote:
Originally Posted by soloz2 View Post
Actually, if installed properly ERS paper is grounded. And mass loading can be beneficial, no magic rocks needed. Your attitude is more of a problem than any so called "magic" bs. Sometimes even in 'science' things just happen that cannot be explained or are extremely difficult to explain, the same is true with many audio tweaks. Sometimes they just work.

Don't get me wrong, I don't subscribe to most of the crap and when audiophile companies
Mass loading is other boogaboo phenomenon that has very little to do with the matters supposedly delt with by either ERS paper misuse or Shakti Stones, which are specific in their intentions, but if you were talking speaker construction I'd entertain it.

"Science" is simply a methodical means of going about furthering understanding. That "your" science can't explain what you "think" you perceive, is indicative of a failure of your science or perceptions.

In reality things happen, and even if complex and difficult to grasp, it doesn't also make them unexplainable, nor unprovable, neither does it somehow render the unexplainable or unprovable a reality of science.
Edited by rollemup - 4/24/10 at 8:18pm
post #920 of 979
Quote:
Originally Posted by rollemup View Post
Mass loading is other boogaboo phenomenon that has very little to do with the matters supposedly delt with by either ERS paper misuse or Shakti Stones, which are specific in their intentions, but if you were talking speaker construction I'd entertain it.

"Science" is simply a methodical means of going about furthering understanding. That "your" science can't explain what you "think" you perceive, is indicative of a failure of your science or perceptions.

In reality things happen, and even if complex and difficult to grasp, it doesn't also make them unexplainable, nor unprovable, neither does it somehow render the unexplainable or unprovable a reality of science.
You forget that some things can't always be explained with 'modern' science. Look at history and you will see numerous examples of how things were first observed and then later explained. Just because you refuse to see the benefits (or cannot sense them) of a tweak does not mean they are not there.

This discussion is over. The thread is a how-to perform tweaks and not about justification or proof.
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