Mnyb;571802 Wrote: > I still like phils idea about measuring it better . > > If it can be measured we don't need an elaborate dbt test. > > Dbt is great for weeding out if there is a difference if we have many > unknown to fight with . > > The output is not an unknown it is an electrical signal and it can be > measured. > > If it can be measured that the signal from the Touch when playing WAV > is identical (or not) to the signal when playing FLAC then we are > done. > > Or it would be satifactory to prove that the difference "signal WAV" > minus "signal FLAC" is -100dB to -120dB or something then it would be > beyond human hearing or the analog Noise floor of the Touch itself. > If the difference signal is random noise even better . > > Would ADM with 24bit 96kHz input be doable, to get a really deep "null" > . > If that 0 is much weaker than the lSB of 16bit redbook CD then it can > be proved that CD quality would be identical if differences shows up at > signal levels not present at a normal CD . > Most people do not have any hi-rez files at all anyway. > > Or I'm totally wrong here ?
I'm going to setup my test rig again at the weekend. I never did test John's headphone observation. Let's see if that one goes anywhere. It SHOULD be observable via ADM. -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal... Touch(wired/XP) - 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), Pekin Tuner, Townsend Supertweeters, Blue Jeans Digital,Kimber Speaker & Chord Interconnect cables Kitchen Boom, Outdoors: SB Radio, Harmony One remote for everything. ------------------------------------------------------------------------ Phil Leigh's Profile: http://forums.slimdevices.com/member.php?userid=85 View this thread: http://forums.slimdevices.com/showthread.php?t=71321 _______________________________________________ audiophiles mailing list audiophiles@lists.slimdevices.com http://lists.slimdevices.com/mailman/listinfo/audiophiles
