![]() Between the CPU actually re-compiling/interpreting your instructions in it's own internal microcode (hint: X86 CPUs haven't actually executed X8 op-codes directly in at least 20 years) and things like OOE, the actual activity of your CPU is only marginally predictable. no OS running random code at random times), you can design for or achieve any specific or consistent effect on sound quality.Įven coding in assembly language, what instructions you provide and what the CPU actually executes are, except in very specific cases, not predictable. I am saying that you cannot write code in anything above assembly language, for modern CPU architectures, that has enough control over what actually executes when that, even on a dedicated machine (i.e. Nor am I saying that software players cannot sound different. ![]() Now, I will not claim that my methodology is a pure and true DBT, but it's a lot closer than any sighted test is going to be. And when I do that, in this case, Audirvana, Roon and various other players all show up as being indiscernibly different. While I will, at some point, write up something on the high-degree of improbability that any code changes running on any reasonably modern general purpose computer (that's running more than one task/thread) can yield any specific or intended effect on sound quality within a bit-perfect digital system, in the interim I do my best when comparing things to eliminate as much potential for expectation bias as I can. I installed the program and used it as it is explained under the The Hackintool Method section of the page explains how to do it.Click to expand.Assuming he's not fiddling with the bit level data (which I do not believe he would do), it's unlikely to be something either a) deterministic (any change is more likely down to chance than intent and b) the same between any two systems. You may try Hakintool method at your own risk. If it is still the original file, it means something went wrong and you could not modify it. Enable Direct Mode and play your favorite song to see whether it works, or not. Navigate to the Low Level Playback options as shown in the picture. If it is the new modified file, everything will probably be ok. After all these steps, we expect to see that IOAudioFamily. Repeat this pattern for each line in order. After that write the second line and press enter… If it prompts to enter your password, just enter your password and press enter again. Write the first line to the window and then press enter. We can check it by typing pwd on the terminal window and see whether the displayed path is the path of the folder, or not. So, we opened the terminal on DirectModeCatalina folder. First simply follow the instructions and execute the 10 lines of code in order without installing any other software. I have also repeated this step on Catalina but maybe you do not need that anymore. If you execute the commands in order step by step, you can enable direct mode by installing IOAudioFamily. You do not need any other software to install Kext kernel extensions file on Catalina…. Here they are mine… been helping with that since el capitan. When you see the apple logo, let go of the keys, and choose Terminal App in the menu bar and execute the following command to enable SIP back again and reboot csrutil enable reboot. ![]() If everything is ok we see that the file,IOAudioFamily. You may need to redo the steps 6 and 7 if it is still not modified. After applying the hakintool method, check whether the file is modified, or not. I installed the program and used it as it is explained under the The Hackintool Method section of the page explains how to do it. Is disabling SIP the same thing as Gatekeeper off? Feel free to comment if you try. I can see it by version number, and I have no sound problems. But Mac OS cannot use it cause of it stores somwhere the original kext and loads it first. After all that and still working good, try Tidal or others. I do that everyday when i add music to it or change my prefs. Restart Mac, that will seal all your preferences and library as a working soft. Good idea! When loading go to prefs panel and put your preferences, then try to play a song after your library is fully finish scanning, system optimizer will be installed on first time playing. Blow your mind with some Zappa, like The Grand Wazoo. Thanks yet again for all the help! Have an excellent rest of the weekend! Time for a drink…. Just finished re-doing everything and it sounds great! Nothing like spending 5 hours on something that should have taken 15 minutes to accomplish.
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