The audio hardware on Squeezebox sees either mp3 or uncompressed PCM. I assume that whether the server software does a decoding of FLAC instead of just pass-through of stored wav file should not influence the amount of jitter at the Squeezebox digital output. Am I right?
Steinar > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:discuss- > [EMAIL PROTECTED] On Behalf Of Ken Hokugo > Sent: 26. februar 2005 06:32 > To: [email protected] > Subject: RE: [slim] Bit-correct digital out on Squeezebox? > > Hi, > I understand it, but were other factors the same, such as digital cables, > volume levels, etc.? The reason why I ask is because I have more > favorable > result from the same comparison. I compared SB with my Burmester 001 CD > player as transport. I did not really sense the difference. Yes, it is > highly possible that I do not have a golden pair of ears, I admit. > There is a guy in France who is starting to offer mod for SB so that (1) > SB > is clock syncable with external clock generator, (2) digital output > upgrade, > and (3) usage of external power supply. Mine is now being moded by him > and > I am waiting for it to complete. My DAC is already clock syncable and the > improvement is substantial to say the least (combination of SB and modded > $300 DAC board inside TacT RCS with external clock is better than > Burmester > 001, at least in some genre). So, when the SB becomes clock syncable with > the same clock generator, I expect the improvement to be enormous. To > some > people, it may not worth investing the multiple of what SB costs, but not > for me because I see a great potential in SB as a transport. > > From: "Julian Alden-Salter" <[EMAIL PROTECTED]> > Reply-To: Slim Devices Discussion <[email protected]> > To: "'Slim Devices Discussion'" <[email protected]> > Subject: RE: [slim] Bit-correct digital out on Squeezebox? > Date: Fri, 25 Feb 2005 20:28:25 -0000 > > Hi, > I use an audio synthesis dax decade with my squeezebox. I must first point > out that I'm extremely happy with the replay however a few weeks ago I > invited some friends round to have a listen to the squeezebox and compare > it > to a couple of dedicated transports. The other transports were from dpa > and > Arcam both of which were judged (subjectively) to be better than the > squeezebox by all present. Not a very scientific test I know but I agreed > with the consensus and to my ears it wasn't a small margin. > Now in the ultimate scheme of things a squeezebox / dac combo will blow a > lot cd players away even some seriously expensive ones however I believe > that it's jitter performance - especially with flac's is less than great. > I say this because my dac (the aforementioned dax decade) has 2 methods of > locking onto the digital signal - one which can lock onto low quality / > high > jitter signals and one that will lock onto better quality / low jitter > signals. This is denoted by the display of lock or xlock in the dac's > display. > Without fail if I play flacs I only get a lock however if I play mp3's > either native or transcoded from flacs I get the higher quality xlock. > What's going on, I'm not sure but it seems to me that there is more > performance within the squeezebox than is currently accessible. > I'm currently looking into the possibility of improving the clock within > the > squeezebox which may help things. > Of course for 200 quid it's a fantastic bit of kit but I don't think it's > going to replace a true high end transport just yet. For me however the > convenience of having my entire music library on hand far outweigh what at > the end of the day is a 30%ish difference in quality. > Cheers > > > Julian. > > -----Original Message----- > From: Michael Peters [mailto:[EMAIL PROTECTED] > Sent: 25 February 2005 19:14 > To: Slim Devices Discussion > Subject: Re: [slim] Bit-correct digital out on Squeezebox? > > On Fri, 25 Feb 2005 16:34:03 +0100, Steinar Bjaerum > <[EMAIL PROTECTED]> > > > > > I am thinking about playing an uncompressed WAV, recording the signal > at > the > > digital output and comparing the recording with the original WAV. > > > > > > Be careful when you are doing so - a lot of sound cards will resample > digital input. > AC97 cards do, for example (or so I've been told) > > I believe M-Audio Audiophile 2496 does not, I don't know about their > other models. > Again, that is what I've been told. I have not done any testing > myself, mp3 at 192VBR is good enough for me (though I do archive > lossless in flac). > > -- > http://mpeters.us/ > > > > _______________________________________________ > Discuss mailing list > [email protected] > http://lists.slimdevices.com/lists/listinfo/discuss > > > _______________________________________________ > Discuss mailing list > [email protected] > http://lists.slimdevices.com/lists/listinfo/discuss > _______________________________________________ Discuss mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/discuss
