chill;606381 Wrote: > This suggestion, and all the talk of reducing jitter on the Touch by > turning off processor tasks, got me thinking about what my DacMagic > does with an SPDIF input, and I found this on the Cambridge Audio FAQ > section > (http://support.cambridgeaudio.com/faqs_view.php?FAQID=177&Question=Jitter+-+I+want+use+the+optical+or+USB+digital+input+to+convert+the+output+of+my+computer.++%0D%0A%0D%0AHow+effective+is+the+DAC+in+the+840C%2F740C%2FDacMagic+at+rejecting+incoming+digital+jitter+from+the+computer%2C+versus+some+of+the+asynchronous+USB+DACs+that+are+more+purpose-made+for+this+application%3F+I+know+computer+outputs+can+produce+an+incredible+amount+of+jitter.): > > ---- > The ATF technology used in the 840C/740C/DacMagic intrinsically > re-clocks all the data, removing jitter in the process and is ideal for > this kind of use. > > It uses a very high stability local clock (a metal can oscillator) > which is used to generate the timing of the upsampled data, this > happens aysnchronously to the incoming clock (and its jitter) so that > the output data is locked to this clock instead, which also drives the > DACs. > ---- > > This probably explains why I can't hear any differences between any of > the SPDIF sources I've tried with it. > > I'm just throwing it in as an option. I've no idea whether this is > considered anywhere near the same league as the Rega DAC, but's it's > very versatile, good value, and to my ears it sounds fantastic. > > In my opinion, if you're using SPDIF rather than the built-in DAC, then > once you've eliminated the potential of wifi induced jitter affecting > playback of the SPDIF signal, there's no point in disabling wifi on the > unit itself. Wifi interference with your other components is the only > remaining problem, and that's just as likely to come from a nearby wifi > bridge as it is from your squeezebox.
+1 on the DacMagic's sound. I finished our switchover to an all wired configuration, yesterday, and decided to disable the wireless on the Touch anyway. I figured, since I don't need it anymore, why not?----just in case it introduces any spurious noise somewhere. -- rgro Rick System information ------------------------ Main: PS Audio Quintet > Touch (wireless) > CA DacMagic > Marantz PM8003 > VA Mozart Grands > REL Acoustics R305. Home Theatre: SBR (Wireless) > Pioneer VSX 919 > Energy Take 5 Classic 5.1. SBS 7.5.2 r31646 running on a Vortexbox Appliance, V 1.7. Touch w/Hardware V.5. Touch: FW 7.5.1 r9218. Duet: FW 66. ------------------------------------------------------------------------ rgro's Profile: http://forums.slimdevices.com/member.php?userid=34348 View this thread: http://forums.slimdevices.com/showthread.php?t=84903 _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/audiophiles
