VirusKiller;576919 Wrote: > > Any ideas where these parameters might be in the (commentless) sox rate > source code?
Don´t know sorry. I read out that a minimum bw of 74% can be choosen without allowed aliasing and 85% with aliasing. One thing i don´t get. Upsampling here gets the impulse rid of pre-ringing on paper but adds other noise that wasn´t there. The next digital filter inside the DAC must change that impulse again. Most likely it just ads some pre-ringing and more. And at last even the OP-Amp output stage applies another lowpass that changes it one more time. Does it really make any sense then? We may change the sound in a highly complicated level then but what for!? Mustn´t the whole DAC be build with upsampling in mind? Any graph that illustrates the real signal at the analog exit would be nice. Besides that i once upsampled some songs offline and played them. If it changed anything then it was wose on my Transporter. Of cause that wasn´t with that much effort when i tried. -- Wombat Transporter -> RG142 -> Avantgarde based monoblocks -> Sommer SPK240 -> self-made speakers ------------------------------------------------------------------------ Wombat's Profile: http://forums.slimdevices.com/member.php?userid=4113 View this thread: http://forums.slimdevices.com/showthread.php?t=69454
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