(A lot of people overlook the fact that the CPU is the single biggest noise source in the system) Getting rid of the GUI on Windows requires expensive options like Server Core, that is almost 2/3rd the cost of the LKS004. The biggest CPU hog on Windows is the GUI and associated background processes No amount of filtering and isolation can fix this, the recourse is to reduce the number of active processes.
HQPLAYER SHELL REPLACEMENT NO SOUND FULL
This reduces the non audio activity on the machine to its absolute minimum.Ī PC going full bore can easily send 100A of current into the ground planes creating a lot of ripples as it interacts with the non zero ground plane impedance.
HQPLAYER SHELL REPLACEMENT NO SOUND INSTALL
Use a minimal Linux install (no X11 GUI, all non essential processes removed) as the audio player, the one I use has a memory footprint of 256-350MB when running Drive down the remainder of noise with the SU6 taking care to break the chassis ground conection between the SU6 and the PC Separate the player and audio renderer into different machines. It starts with a FCC Class B certified machine running the audio endpoint to keep below 1mV conducted noise for the music playerįorget about DIY unless you can afford FCC style EMI testing for your specific box configuration. My source preparation for low noise operation is thus: USB input is isolated, unfortunately LKS leaves the jitter removal caused by the isolator to the 9038, this overburdens the 9038 especially the DPLL If you are prepared to do the work on I2S, it gives the best performance, however be aware the LKS has zero RFI protection on the I2S input.
The Amanero is pretty good, bested by the Singxer SU6 and then only with very careful isolation of RF noise and preparation of the music source Given your description of the bright sonic presentation, I am thinking that RF noise is affecting your DAC. USB vs I2S really depends on whether your specific setup is quiet enough RF wise to outperform SPDIF. Accusilicon 100MHz AS318-B availability has become very limited, Magnahifi stills sells themĬCHD950X is readily available from the usual suppliers (Mouser, Digikey, Arrow, Farnell etc)
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