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  1. That's interesting insights. Thanks for sharing. I used to be clock modder audiophile who put clock mod on many digital audio devices (and very good one like Superclock/Ultraclock). Those devices still sound nice to me but I later notice some added interference from external clock module mapping so I did some tests with replacing to best clock that fits in instead. I notice some quality from external clock modules are missing a bit but those added noise are all gone.
  2. How's the difference between 10-100Gbe against audiophile 1G switch? Since this thread is on active now, I'd like to share more insights about network switch modding that may not done right. 1. External clock upgrade module often use stranded wire to map from clock module to original clock circuit which is closest to main chip as much possible like few centimeters to main chip. Using external clock module, it'll need longer stranding wire to map from new clock output to older one. This will introduce more noise and interference during transmission to wire I don't see any solid core coaxial wire installed inside yet. 2. Some people put shielding layer on top of transformer block which has magnetic field generated. Putting those on will affect magnetic field and can potentially affect device's reliability rather than helping it. I used to discuss about this kind of tweak with my technician friend and he said we don't know the direction flow of generated magetic field around transformer and that's not sensitive parts that requires EMI/RFI shielding. 3. Removing isolation transformer from network switch design is not really a good idea. Ideally not having isolation transformer can have signal and data flow directly which should be better for audio servers. However, network switch will be connected to more polluted devices like main router with WiFi connecting to other things like TV/AVR/etc. You may also connect network switch to media players and NAS which also have noise and interference that can pass through network path to other devices. Isolation transformer will lessen those effects and I highly recommend to use network switch with this feature since network path isn't as clean as we believe. That's what I found so far from my research with networked audio applications. Using WiFi extender with network switch is also a good idea to upgrade from pure WiFi connection too. Regards, Keetakawee
  3. It's an analogy about people expecting new things to be better but we can't tell for sure until we try enough. Personally I have high hopes for 10G and researching on best 10G card for server at the moment to use with 10G switch I bought last year.
  4. Well, we used to think optical cable will sound a lot better than coaxial cable. We'll see in time. I'm also interested in testing SFP too. Already bought some stuff about it but don't have time to test with yet. Regards, Keetakawee
  5. Do you think streaming audio requires up to 10G? Well, maybe it's only me who has highend CD transport to compare with.
  6. With pleasure. I hope this thread will help in providing more insights about how network works. Personally I recommend network switch with isolation transformer design from respectable companies. Volume amount of units, parts being exclusive to certain group, and technical engineering behind long history of professional can make really good results. I did hear some highend network switch models from my friends. Some also sell certain models too. While I agree that better quality of clock matters but the way to implement those clock matters more. I used to be crazy clock modder until I realize 3rd-party clock module with shared regulation from other power source sending clock signal through stranding wires is worst idea to worsen clock performance. There's a good reason why they placed clock nearest to important modules and optimize circuit to be shortest possible. And the clock itself is less important than circuit design and improvements to provide more linear bitstream from network. Regards, Keetakawee
  7. I just shared someone's post about upgrade from sBooster. I did try with Roon Nucleus+ using i7 and 19V too though. Regards, Keetakawee
  8. Some good upgrade for sBooster and Signature version is a lot better.
  9. With pleasure. Getting network switch will help a lot. I agree that industrial network switch can be improved and some audiophile mod or OEM one can help significantly. My point of this post is to explain that upgrading clock won't magically resolve every issues we have in network. Regards, Keetakawee
  10. As I observe forums since past year, it seems computer audiophiles are making demands and speculations based on information shared in online community. There's only few bits shared among audiophiles who tried to build DIY servers and some are mixed with uninformed or misunderstandings. So I'll try to share my knowledge that should help people in community trying to look in wider aspects. We were told lower CL is better and that's true for many time sensitive applications. But think about it this way. The lowest possible CL in DDR4 now is CL10 for bus 2133MHz. In DDR2 time, lowest possible CL is CL4. Isn't that like DDR4 will sound terribly poor comparing to DDR2? If that's not the case here, lower CL doesn't really mean it will always make sound quality better than higher CL one. I agree that having lower CL would be more preferable according to specifications but there should be more important factor than CL value of RAM. From my observation through years with RAM testing since DDR2, the most important part of RAM is RAM chip itself. Even CL is lower but RAM chip has worse performance for audio, it'll sound worse. Lower CL also affected audio performance to have less solid dynamics too and increasing CL can actually improve these aspects. Another thing is ECC RAM sounding better though in theory it shouldn't be. The reason that ECC RAM does sound better doesn't really come from ECC technology itself. If you look at price point, ECC RAM costs significantly more expensive and that's not for ECC chip alone. There's also quality of passive components improved like ceramic capacitors and resistors used, some chipset being improved or having higher level tests which lead to ECC RAM being superior grade to non-ECC one for some cases. Now let's move on to single slot and multiple slot RAM. Some people believe single slot RAM is better due to having less components to cause interference. Some people believe multiple slot RAM is better due to having better RAM performance and both sides have listening tests to prove their claim too. The answer is neither. Single slot RAM should be better technically but are you really certain it's single slot RAM? There're plenty of chip there and sometimes you get those chips on one side or two sides. Have you heard about single/double rank term for RAM? That will also affect how RAM module works and affect sound quality too. Some people uses only one 4-8GB for true single rank RAM but may not sound like the best idea for RAM too. The reason why there's no correct answer for RAM selection is because of different sound signature on each RAM chip. One model can sound like sound stage is expanding too much and dynamics can be blurred on multiple slot for some RAM. Some RAM has narrowed sound stage but strong dynamics which can have better synergy on multiple slot. Sometimes different sounding RAM can sound quite similar in different configuration. There's also the case of low powered design and high powered design in consideration and also system optimizations to bring the best of each design depending on designer's philosophy and R&D. I hope this article will help you realize that it's not about choosing the lowest possible CL to get the best RAM alone.
  11. With pleasure and happy listening. Regards, Keetakawee
  12. It could be something related to user permission since Fidelizer Pro running as shell may be run from different user account. Please try applying disabling UAC tweak first and see if it helps resolving this issue. Otherwise, you may let Fidelizer Pro running with its own startup implementation. https://www.fidelizer-audio.com/unlocking-native-app-performance-by-disabling-uac-completely/ Regards, Keetakawee
  13. First of all, I agree that improving clock from stock industrial grade in network switch, network adapter devices can improve network performance and reliability to certain extent enough for audible improvements. I'm not against that at all. I also bought audiophile network adapter card and network switch for personal uses and upgrade clocks on motherboard's LAN port too. But lately I saw many audiophiles focusing so much on networked audio stream to the extent that they put 10MHz on network switch or network adapter device. Sure that can make big changes and most consider it to be 'big improvement' but that's only when compare to stock grade clock and many privately admitted that some 10MHz input may need really good quality 10MHz clock to shine. If they put this kind of effort into what really matters clock like putting 10MHz input into server as masterclock multiplying to 12-25MHz feeding motherboard chipset clock or storage device that keeps OS and music as source, yeah that'd be some really cool stuff befitting highend computer transport since those are actively used and can effectively use high quality 10MHz clock. But for network protocol, it has 7 layers for basic infrastructure that has many underlying layer beneath making clock upgrade being less efficient due to many processes involved including error correction and packet fragmentation. Improvement from industrial grade network device to high precision/low phase noise clocks that can be swiftly replaced will also make big enough improvement too. 10MHz input clock in network will bring better improvement than smaller 25MHz clock in network adapter/switch under proper implementation that's for sure. But how much it'll be better than high quality clock with very low phase noise that can fit in there? I doubt there'll be audiophiles who'll try to upgrade clock on network adapter/switch with 10MHz input and compare with. Let's break some theories here. Imagine you visit streaming service's data center and managed to request admin to upgrade clock on their servers. Do you think that will make streaming sounding so much better after running from another side of planet to your house? While clock upgrade can make noticeable improvement but that can be done to certain extent. That's what network is all about. And the reason why I started this thread is to inform you that there's something more important than clock and something more dangerous, more sinister to your system than clock quality. It's everywhere in your house and in every networked device around you. Yes, it's router, device with full contamination of noise and pollution from other devices. When you plug your server to your home router before using network switch, your router that has wifi spreading frequency and collect all the dust from other wired devices like TV, NAS, receivers that bounce back to your router and feed your server or streamer. You got those pollution from other devices to server via router too and that's the problem. Some people made article before that using WiFi will get rid of this issue because it's not associated with other devices causing pollution. But they forget one thing, WiFi connection itself is also considered as big pollution and packet fragmentation in WiFi is far worse than wired network rendering 10MHz clock input to WiFi even less effective. There was time I got network phobia from discovering how network can really harm audio in ultra highend performance scale. I used to disable network completely and control from monitor for a while until I can get over it. OK. Back to main story. As for these pollution hoping around wired network from devices to device, good network switch will have transformer placed behind LAN port to isolate noise and pollution from other devices. You can test this by using web remote feature to control your server so that network will have zero effect on audio itself and see how network switch and reduce pollution from router. This feature that isolate pollution from router and other devices is the main reason why people should employ network switch. But not only that, it can also help in handling data transmission to be more reliable and more efficient with buffer in network and software vendor optimized for lower packet fragmentation than allowing router to handle everything manually. So, no matter how much effort you put into clock upgrade, it won't reduce pollution from other devices in network. And another thing that most audiophiles overlooked is software implementation in network adapter/switch. As changing configuration in network adapter affect sound quality significantly, software configuration in network adapter/switch itself matters too no less than hardware circuit design. As we can't test and confirm about this part ourselves, there's not much we can do to verify though. To summarize all these in few sentences, I want to share my research that clock isn't the most potent thing in networked audio and you should consider other things like handling pollution in network audio network and implementation in other aspects with higher priority. Don't just blindly go for clock upgrade and thing everything else comes second ignoring more pressing matters. And sometimes 10MHz clock input may perform worse than high quality clock upgrade on board if not done right too.
  14. Windows X

    Fidelizer 8.0

    Today we’ve reached 3,700th milestone now in this month. As a reminder to inform customers that they receive refund for returning customer purchase, I’m running purchase offer again in this week. I also sent partial refund back for customer who placed an order on 3th June 2019. Fidelizer Plus: US $39.95 —> $34.95 (Until 9th June 2019) Fidelizer Pro: US $69.95 —> $59.95 (Until 9th June 2019) This offer will last until Until 9th June 2019. Discount rate is the same as purchasing Fidelizer software again so new customer and returning customer will get the same price. You may order again anytime and receive partial-refund as discount later after this campaign is over. I hope this will be good chance for you to consider applying Fidelizer Upgrade Program software. You can also click on “Fidelizer Upgrade Program”button and click “Order Fidelizer” button in Fidelizer free version software.
  15. Congratulations on AO 3.00 release. I heard reports from clients running it smoothly with Fidelizer on Windows 10 v1903 today too!
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