Phil Leigh;515205 Wrote: > So this is wrong (copied from TACT web site): > > > Main Features > 5 digital inputs with sample rates up to 192 kHz/24 bits > ... > Highest quality re-clocking on all inputs > 192 kHz upsampler at inputs > > ? - This last point seems pretty unambiguous.
Well, it seems that the TAUG on Yahoo (of which I have been a member for years) agrees that the internal processing is at 48/96. It leaves the web site and user manual looking rather odd... Since when is a 192 upsampler NOT something that converts all inputs to 192? - and why bother having 24/192 ADC and DAC cards? Anyway, because of the way that the AKM chip works, it makes little difference what sample rate you feed it. The ASRC process incorporates a polyphase PLL operating in the analogue domain (within the chip), not pure DSP maths, as would be used in a software-based resampler. There are pros and cons. Jitter-based impacts in the AKM chip will manifest as data errors in the lowest bits, rather than sample timing errors. Random low-bit errors sound like... dither. Bottom line is: it sounds superb and feeding the same track upsampled to different rates all sound identical. -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal... SB Touch Beta (wired) - TACT 2.2X (Linear PSU) + Good Vibrations S/W - MF Triplethreat(Audiocom full mods) - Linn 5103 - Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK 10.5), Townsend Supertweeters, Blue Jeans Digital,Kimber Speaker & Chord Interconnect cables Kitchen Boom, Outdoors: SB Radio ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=69145 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
