Is this min-maxing obsession or are there benefits to be had by tweaking things on the OS or digital side and using 'audiophile' footers?juliangst t1_iydoops wrote
Reply to comment by Nadeoki in Is this min-maxing obsession or are there benefits to be had by tweaking things on the OS or digital side and using 'audiophile' footers? by Orangutan_Ulti
Nope, they’re not. You can simply measure the windows audio loopback and see that windows direct sound with its upsampling and dithering is as transparent as Wasapi/Asio
Nadeoki t1_iyeb83r wrote
That has, in fact been done which demonstrates windows direct has noise in the audible range. While WASAPI does not. In fact, with WASAPI and ASIO, there's no need for sample rate conversion at all.
The difference between ASIO/WASAPI and DS is that DS always use the Win mixer.
All audio is dithered by the mixer.
If the sample rate of the audio differs from the one set in the sound panel, it will be resampled.
ASIO/WASAPI (exclusive) will bypass the mixer.
No dither and no resampling if the hardware is able to play the sample rate of the audio. This is about the protocol. The media player might do all kind of DSP like volume control + dither.
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