Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-10-20 Thread ar-t
And that is not being talked about. So.someone here has seen fit to point out my TDR work on AC. Has anyone noticed that an important person here also does not like SC transformers? Can we finally agree that they are mostly marketing hype? As for the bead...for those of you who did

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-10-20 Thread opaqueice
ar-t;236631 Wrote: The logic of paying 2-3X the cost of the unit to be improved, by sometimes dubious means, escapes me. That's because logic hasn't got anything to do with it. -- opaqueice opaqueice's Profile:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-10-20 Thread crooner
Hey Pat welcome to the Slim Devices forum. Looking forward to your insights! -- crooner Customized dual chassis Super Squeezebox EAD DSP-7000 Series III DAC with HDCD and mods. VPI Scout with Benz Micro Glider M2 Marantz 10B tube FM tuner Audio Research PH3, SP16L and VS110 Vandersteen 2Ce

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-10-20 Thread 325xi
acousticsguru;229431 Wrote: I'll admit it, I'm new around here, but have spent several days reading through hundreds if not thousands of posts here and on other boards, and come to the conclusion that many, if not most (!) audiophiles are looking for exactly the same product as I am: an

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-10-20 Thread opaqueice
crooner;236650 Wrote: Oh, BTW, who's the fella that doesn't like the SC transformers, ezkcdude? Sean Adams, IIRC. -- opaqueice opaqueice's Profile: http://forums.slimdevices.com/member.php?userid=4234 View this

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread betto
ezkcdude;229635 Wrote: David, I read the dCS paper, actually a long time ago. If you get time, here is a paper by Ashihara et al. (in AES, 2005) that shows *random jitter is not detected unless greater than several hundred nanoseconds (ns)*:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
jhm731;230631 Wrote: Contact www.mauimods.com or www.db-system.ms/ hmmm...so it is possible - thanks! -- Phil Leigh You want to see the signal path BEFORE it gets onto a CD/vinyl...it ain't what you'd call minimal... ...SB3+TACT+Altmann+MF DACXV3/Linn tri-amped Aktiv 5.1 system and some

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
acousticsguru;230829 Wrote: 11.2896MHz superclock from db System only, no other choice. Cost of this modification 250 Euros (ca. 356 USD) - somewhat exorbitant. Greetings from Switzerland, David. Yes - not exactly a cheap mod. Also, not one I am contemplating at this time. I find that

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread miklorsmith
The XP is a pretty major rework of the 2.2X - the entire brain is redone. The Altmann works perfectly with everything else. Your answer is what TacT gave me though. :) Vinnie at Red Wine Audio is going to do the surgery on my SB. I don't believe he is generally offering SB mods any more but

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread miklorsmith
Yeah, the Altmann is an awesome DAC. Mine would'nt work with my TacT 2.2XP, even after sending both pieces to TacT. So, the TacT went away but I still have the Altmann. I also have a Lessloss DAC which allows for clockery, of the superclock kind. It will natively work with the clock frequency

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread miklorsmith
I have done side-by-side experiments, albeit with a CD transport. Clock linking sounded better in this context. -- miklorsmith miklorsmith's Profile: http://forums.slimdevices.com/member.php?userid=4349 View this thread:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread CPC
miklorsmith;230858 Wrote: Yeah, the Altmann is an awesome DAC. Mine would'nt work with my TacT 2.2XP, even after sending both pieces to TacT. So, the TacT went away but I still have the Altmann. I also have a Lessloss DAC which allows for clockery, of the superclock kind. It will

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
miklorsmith;230875 Wrote: I have done side-by-side experiments, albeit with a CD transport. Clock linking sounded better in this context. I wouldn't disagree. Clock linking of a spinning transport with all its noisy servos etc potentially messing with the SPDIF should sound better... Now,

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
If jitter-bugging isn't the theme of this thread then what is it? As Sean said earlier, the only reason to use wordclock in the context of hi-fi is to minimise jitter. There are other techniques which also achieve similarly effective results. Not just my opinion - I believe this to be a widely

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread acousticsguru
Phil Leigh;230824 Wrote: hmmm...so it is possible - thanks! 11.2896MHz superclock from db System only, no other choice. Cost of this modification 250 Euros (ca. 356 USD) - somewhat exorbitant. Greetings from Switzerland, David. -- acousticsguru

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread acousticsguru
Phil Leigh;230845 Wrote: I find that using the Altmann JISCO+UPCI in-between the SB3 SPDIF out and the TACT SPDIF in (and then running the TACT at 96kHz to my DAC via SPDIF) gives me what I perceive to be (rightly or wrongly) a jitter-free sound. I won't say this works to some extent, but

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread acousticsguru
Phil Leigh;230874 Wrote: If jitter-bugging isn't the theme of this thread then what is it? Depends on how you're using the term: the avoidance of jitter, in my terminology, is not the same as the cleaning up of a jittery signal. Greetings from Switzerland, David. -- acousticsguru

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread acousticsguru
CPC;230884 Wrote: Who's going to do the clock mod on your SB? That's what I'd like to know, too. Greetings from Switzerland, David. -- acousticsguru acousticsguru's Profile:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
acousticsguru;230943 Wrote: You do realise, however, that there are transports with lower intrinsic jitter? So if jitter is what this discussion is about, I may be missing your point. Greetings from Switzerland, David. Not spinning ones... -- Phil Leigh You want to see the signal path

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread Phil Leigh
acousticsguru;230942 Wrote: Depends on how you're using the term: the avoidance of jitter, in my terminology, is not the same as the cleaning up of a jittery signal. Greetings from Switzerland, David. You can't avoid it - it is present in the source material (to some extent) and then more

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-28 Thread acousticsguru
Phil Leigh;230960 Wrote: You can't avoid it - it is present in the source material (to some extent) and then more gets added... I'm talking about the path: the point of clocking backwards is avoidance, whereas jitter bugs are devices or in-built receiver chips that clean up - at least that's

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
seanadams;230265 Wrote: In fact the ASRC does make it quite unaffected by input jitter, although personally I prefer to avoid the problem entirely by not using s/pdif to transmit the clock. And do what instead? Slave the source to the DAC? Greetings from Switzerland, David. --

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread betto
acousticsguru;230375 Wrote: And do what instead? Slave the source to the DAC? Greetings from Switzerland, David. Definitely YES. At present, all of the DACs wich have a masterclock inside require a dedicated transport-that's why we have so many DAC wich can can work only when slaved to the

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
betto;230382 Wrote: Definitely YES. At present, all of the DACs wich have a masterclock inside require a dedicated transport-that's why we have so many DAC wich can can work only when slaved to the source: such DACs are considered a universal upgrade. Now think of a Squeezebox wich can

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread darrenyeats
So far the conversation has been: 1. I want an AES/EBU connection with word clock input on a squeezebox. 2. Are you sure there's a difference? Did you test it blind? 3. Yes. 4. Blind with the latest jitter-immune DACs? 5. Hang on are they jitter immune or not? 6. Yes, we have measurements.

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread opaqueice
The original suggestion (a SB with some kind of higher-quality digital out) was a bad one, in my opinion. It's ideal having the DAC directly connected (as in, on the same circuit board) to a clean data buffer. That's much simpler than trying to slave one box to another, or design a jitter

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
opaqueice;230386 Wrote: I think Sean was referring to a product known as the squeezebox. Impossible: there the clock signal is embedded in the S/PDIF, and there is no word clock input. He may have referred to the Transporter, which you can slav to a DAC, but I may be forgiven for thinking that

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
opaqueice;230404 Wrote: It's ideal having the DAC directly connected (as in, on the same circuit board) to a clean data buffer. That's much simpler than trying to slave one box to another, or design a jitter immune DAC. So why would you want to spoil that ideal arrangement? If anything

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread Patrick Dixon
opaqueice;230404 Wrote: It's ideal having the DAC directly connected (as in, on the same circuit board) to a clean data buffer. That's much simpler than trying to slave one box to another, or design a jitter immune DAC. So why would you want to spoil that ideal arrangement? If anything

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
darrenyeats;230399 Wrote: So far the conversation has been: 1. I want an AES/EBU connection with word clock input on a squeezebox. 2. Are you sure there's a difference? Did you test it blind? 3. Yes. 4. Blind with the latest jitter-immune DACs? 5. Hang on are they jitter immune

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread darrenyeats
acousticsguru;230409 Wrote: #2 has been answered (= by me) is what I meant. Regards, Darren -- darrenyeats SB3 / Inguz - Sony DAS-703ES DAC - Krell KAV-300i - PMC AB-1 Dell laptop - JVC UX-C30 mini system

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread opaqueice
acousticsguru;230405 Wrote: Impossible: there the clock signal is embedded in the S/PDIF, and there is no word clock input. He may have referred to the Transporter, which you can slav to a DAC, but I may be forgiven for thinking that 1700 USD extra for just that is out of the question. I

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread ezkcdude
I think what acoustic wants, and he can correct me, is a Transporter with out the er. IOW, a Transporter minus the output stage. I would also be interested in such a component, perhaps, with only a single display. If that came in around $1000, I'm sure there would be plenty of folks who would

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
opaqueice;230411 Wrote: I think you're missing his point (or maybe I am), which was that the SB and/or TP, when used with its internal DAC, avoids this problem entirely. If so, again, no disagreement, just the wrong thread. See the original post, it's about what most audiophiles not born

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
ezkcdude;230412 Wrote: I think what acoustic wants, and he can correct me, is a Transporter with out the er. IOW, a Transporter minus the output stage. I would also be interested in such a component, perhaps, with only a single display. If that came in around $1000, I'm sure there would be

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
ezkcdude;230412 Wrote: I think what acoustic wants, and he can correct me, is a Transporter with out the er. IOW, a Transporter minus the output stage. I would also be interested in such a component, perhaps, with only a single display. If that came in around $1000, I'm sure there would be

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread tonyptony
seanadams;230299 Wrote: The ferrite bead (usually not called an inductor) is there for EMI suppression and should be left in place for regulatory compliance. Although it smooths the waveform just slightly, I don't think it materially affects jitter either way. The different TDR response is

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread Phil Leigh
acousticsguru;230225 Wrote: I realise ezkcdude is able to defend himself and don't mean to patronize you people, but that's probably not why he said that (Because there aren't enough of you guys?), just that if there were more people like me, that audiophile Squeezebox to replace one's

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread ezkcdude
tonyptony;230497 Wrote: Start here http://www.audiocircle.com/circles/index.php?topic=41593.0 (you need this part for how it all started), then go here http://www.audiocircle.com/circles/index.php?topic=45330.0 then here http://www.audiocircle.com/circles/index.php?topic=45590.0

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread Phil Leigh
seanadams;230164 Wrote: You're thinking of house sync, not word clock. House sync is so _multiple_ devices (usually video+audio) can share one clock master. Word clock (as in, a point-to-point audio sample clock going from the DAC to the source) has no purpose except to reduce jitter.

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread seanadams
tonyptony;230497 Wrote: Start here http://www.audiocircle.com/circles/index.php?topic=41593.0 (you need this part for how it all started), then go here http://www.audiocircle.com/circles/index.php?topic=45330.0 then here http://www.audiocircle.com/circles/index.php?topic=45590.0

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
ezkcdude;230395 Wrote: Ironically, if not predictably, separating the DAC from the transport only lead to more (different) problems, that took approximately another decade to fix - and maybe not even? Of course it wouldn't have, had it been done right from the start, as in studio

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
Phil Leigh;230519 Wrote: IF that is what you mean, then can someone advise as to how to get wordclock fitted (modded) to my SB, TACT and DAC? Now we're talking! Greetings from Switzerland, David. -- acousticsguru

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread miklorsmith
TacT told me this is not possible - I asked. For the DAC, if it's outfitted for this, you're good. Otherwise I wouldn't bother - it'll be cheaper and probably better to buy one that was designed for such from the outset. For the SB, Vinnie at RWA has told me he will do this. When I get the

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread betto
ezkcdude;230395 Wrote: What's funny to me is that we had at least a decade there (the 90's) where external D/A was considered the -sine qua non- for cd playback. Ironically, if not predictably, separating the DAC from the transport only lead to more (different) problems, that took

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread jhm731
Phil Leigh;230519 Wrote: IF that is what you mean, then can someone advise as to how to get wordclock fitted (modded) to my SB, TACT and DAC? Contact www.mauimods.com or www.db-system.ms/ -- jhm731 jhm731's

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-27 Thread acousticsguru
Just now reading the Stereophile reviews on Squeezebox and Transporter - Wes Phillips saying in the latter: Is the Transporter perfect? If you ask me, it's pretty darn close. I'm not sure I could ask for more, but I could see a market for a Transporter that offered less. Remove its DAC and source

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread betto
acousticsguru;229887 Wrote: How good of you to go into somewhat more detail, but why would the above apply to S/PDIF only, and not AES/EBU as well (up to that point, you took care to include both or compare)? Just a momentary lapse in your train of thought? Read my initial post at the

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread darrenyeats
acousticsguru;229954 Wrote: Can't possibly enumerate all the systems in which I was shown differences between connections and/or cables in sighted comparisons (note that difference with me does not automatically imply that it's worthwhile, let alone from a quality-price-ratio perspective).

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
darrenyeats;23 Wrote: I hate to repeat myself, but I'm going to. The technology has got better. Is this in answer to me or someone else? Judging from personal experience, I would agree: as (perhaps only indirectly, and if you read closely) follows from my super-lengthy impressions (or

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
darrenyeats;23 Wrote: Couple such welcome developments with modern transports such as the SB3 or Transporter - which have no moving parts and no read-errors - and you may find the differences in connections have become moot, since the surrounding hardware is doing its digital job much

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread darrenyeats
acousticsguru;230021 Wrote: Thanks for you patience! You may have noticed that as interesting as some of the contributions (not my own) to this thread may be, no one seems to show much interest in what I wanted to know, though. I'm basically being told there can be no difference by people

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
acousticsguru;229955 Wrote: I probably will. Let me ask you this, though: you're with Slim Devices/Logitech in some indirect or direct way (likely a staff member/on their payroll), correct? No. Dead wrong. -- ezkcdude There are 10 kind of people in the world - those who understand

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
acousticsguru;230021 Wrote: Ironically, despite the apparent enthusiasm for the product, what each of them (yourself included) has to say can only lead to the conclusion that AES/EBU and WC input must have implemented into the Transporter for no apparent reason other than to to have

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread opaqueice
acousticsguru;229954 Wrote: snip Oh, and ere I forget to remind us all, myself included, of the obvous: what does all of the above prove? Nothing! Greetings from Switzerland, David. Interesting - thanks for the detailed summary. Have you heard differences with modern jitter-rejecting

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread Patrick Dixon
darrenyeats;23 Wrote: In theory it is possible to remove jitter from an incoming S/PDIF stream without a shared clock.Well that's what Benchmark would have you believe anyway ... opaqueice;230035 Wrote: Interesting - thanks for the detailed summary. Have you heard differences with

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
opaqueice;230035 Wrote: Interesting - thanks for the detailed summary. Have you heard differences with modern jitter-rejecting DACs? The Benchmark DAC1 for example? According to their measurements it's totally immune to input jitter, so if you hear a difference it would have to be for

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread betto
Generally spaking, I prefer to avoid a problem rather than try to correct it. Jitter is an analogue fenomenon that do harm the AD convertion only. If you put the clock where it deserves to be -as near as possible to the DAC- jitter becomes a no issue. Remeber: jitter is a transmission issue.

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
ezkcdude;230034 Wrote: You accuse us of not reading the entirety of your posts, which I admit I am guilty. However, did you read my post on the last page? I clearly said that I think there could be differences due to SPDIF vs. AES/EBU. You even responded to me. Are you just playing the

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
acousticsguru;230060 Wrote: Me? LOL! Are you? Of course I read every word, or else I wouldn't reply. So what about this non-sequitur now: you're referring to my the question remaining unanswered, to whom and why - where, specifically, do you think you answered this? Greetings from

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
ezkcdude;230062 Wrote: Well, did you consider that they are targeting the professional market, as well as the consumer? Professional gear is pretty much defined by having these features. Is that clear enough? Did more than once, most recently in the sentence you last quoted: note no one's

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread opaqueice
ezkcdude;230046 Wrote: Note it says nearly immune. And in the last paragraph, will be reproduced without the *addition of any measurable jitter artifacts*. That is pretty clever ad writing. It does not say totally immune to jitter or 100% jitter rejection. With the ASRC they are using,

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
acousticsguru;230066 Wrote: You realise your claim now looks to be that the Transporter is primarily meant to be used in studio applications? I don't presume to speak for SD, as I already said I have no connection. However, I think the professional market is quite large, and it would make

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
darrenyeats;230026 Wrote: Importantly to this explanation, there is more to the sound of a DAC than jitter. Right - we may not know about all the variables, but agree there may be unknown ones. This is why I like trusting my ears first and think second. darrenyeats;230026 Wrote: There

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
opaqueice;230035 Wrote: Interesting - thanks for the detailed summary. Have you heard differences with modern jitter-rejecting DACs? The Benchmark DAC1 for example? According to their measurements it's totally immune to input jitter, so if you hear a difference it would have to be for

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread Patrick Dixon
opaqueice;230072 Wrote: I don't really agree. If the jitter induced artifacts can be shown to be below the quantization noise floor - and in the case of the Benchmark they're way below it, at least for 16 bit audio - that's 100% jitter immunity by the only reasonable definition you could

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
Acoustics, you seem to know quite a bit about dCS gear, which by any estimates looks droolworthy. So, let me ask you this. What are the differences between the dCS Professional and Audiophile components? From the website, I gather the Audiophile gear is *more expensive* (counterintuitively to my

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread Phil Leigh
Patrick Dixon;230089 Wrote: It isn't just the absolute noise level that determines whether something is audible or not; otherwise you wouldn't be able to make out a conversation in a crowded room - even when it's much quieter than the background noise level. If the Benchmark really was

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
betto;230047 Wrote: If you put the clock where it deserves to be -as near as possible to the DAC- jitter becomes a no issue. Remeber: jitter is a transmission issue. Backwards jitter goes up but that's non harmful because can't corrupt the data, so sound quality is not affected. It's just

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
Phil Leigh;230102 Wrote: In other words, with a perfect bitstream and zero-jitter at the input to theDAC would transports really sound different? Personally I don't think they would. A perfect clock cannot be transmitted, because it is impossible to transmit or receive true square

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread Phil Leigh
ezkcdude;230111 Wrote: A perfect clock cannot be transmitted, because it is impossible to transmit or receive true square waves pulses. That would require infinitely fast logic gates, which don't exist, and instant transmission across cables without loss (which doesn't exist either). I

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread betto
Phil Leigh;230102 Wrote: In other words, with a perfect bitstream and zero-jitter at the input to theDAC would transports really sound different? Personally I don't think they would. Fully agreed. Cheers, Betton -- betto

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread Phil Leigh
ezkcdude;230113 Wrote: Because there aren't enough of you guys? Wordclock was not invented to treat jitter! It was designed to eliminate the need for debate over who was the clock master in a studio environment where every digital device is potentially a having to generate/recover embedded

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread betto
acousticsguru;230108 Wrote: Remember where I started from: why do we audiophiles who want an audio server to replace a CD-Transport, are attracted Slim Devices products because one doesn't need to be a dedicated PC hacker to use them, have to pay 1700 USD more to get a WC input (and, if

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
ezkcdude;230091 Wrote: What are the differences between the dCS Professional and Audiophile components? From the website, I gather the Audiophile gear is *more expensive* (counterintuitively to my thinking). Both have balanced inputs/outputs, word clock, etc. The sonic differences between

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread seanadams
Phil Leigh;230122 Wrote: Wordclock was not invented to treat jitter! You're thinking of house sync, not word clock. House sync is so _multiple_ devices (usually video+audio) can share one clock master. Word clock (as in, a point-to-point audio sample clock going from the DAC to the source)

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
ezkcdude;230113 Wrote: Because there aren't enough of you guys? As valid an assumption as any, I'm afraid. Greetings from Switzerland, David. -- acousticsguru acousticsguru's Profile:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
betto;230120 Wrote: Fully agreed. Wouldn't swear on it as (proven) fact, but tend to think so, too. But then, what do I know, right? Greetings from Switzerland, David. -- acousticsguru acousticsguru's Profile:

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
So, I went to the Stereophile archives to look for JA's DAC measurements. I found some very interesting things. First, both the Squeezebox and Transporter perform very well compared to even the best gear, in terms of p-p jitter. The Squeezebox is around 300 ps, while the Transporter is around 200

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
Phil Leigh;230122 Wrote: Wordclock was not invented to treat jitter! It was designed to eliminate the need for debate over who was the clock master in a studio environment where every digital device is potentially a having to generate/recover embedded clocks. This allows buffer

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread acousticsguru
ezkcdude;230220 Wrote: It also makes one question the marketing claims. Excuse my cynicism, but is anyone buying into those anyway? (And Nagra, in my experience, isn't more prone to making extravagant claims than any other manufacturer.) Greetings from Switzerland, David -- acousticsguru

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread ezkcdude
acousticsguru;230229 Wrote: Excuse my cynicism, but is anyone buying into those anyway? Yes, I believe so. Just take a look at some of the threads over at head-fi in the Dedicated Source Components section. I can't tell you how many times I've heard the phrase jitter immunity come up. --

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread CPC
Some reading on SPDIF and AES/EBU: http://www.epanorama.net/documents/audio/spdif.html TDR pictures of SB3's SPDIF RCA output stock and with the SM inductor removed. +---+ |Filename: sb-03.jpg

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread seanadams
opaqueice;230242 Wrote: Benchmark has graphs posted on their website plotting THD+N as a function of input jitter. It's basically flat, which confirms a specific version of their claim of jitter immunity. Is their data fabricated? Or are they measuring the wrong thing, as Patrick Dixon

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread tonyptony
CPC, if you are not art over on the Audiocircle site then you should provide the attribution to him for these pics. He has done a whole lot of work to show some of the folks in the Circle that there sometimes IS a way to measure things that can help. Sean, I've been following the work art has

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-26 Thread opaqueice
seanadams;230265 Wrote: THD+N is an extremely poor metric of jitter. There is no harmonic component to speak of, and any change in the noise floor is pretty small as a percentage of total N. After the DAC, jitter is most easily observed as sidebands around a high frequency, eg 10KHz

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread darrenyeats
David, First of all, I'm sorry your first experience of this forum is so gruelling. There are a lot of hard-nosed people on this forum, and a lot of skeptics. I used to be a raving subjectivist, but since some blind-test experiences I have become a firm believer in blind-tests or, rather, the

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread Phil Leigh
Darren, whist generally agreeing, I think one needs to be careful not to take this argument to extremes. After all, that isn't how the music is actually made...(nobody in the studio is doing DBT every time they change something in the mix! - and try telling any musician that they can't tell

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
darrenyeats;229705 Wrote: For example, the fact I've done blind tests doesn't mean my sighted listening is reliable from now on. Not at all. But no one I know who's done blind hasn't done sighted ones also - they're formative. Scepticism is fine with me, but let me tell you something: among

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread darrenyeats
Phil Leigh;229793 Wrote: Darren, whist generally agreeing, I think one needs to be careful not to take this argument to extremes. After all, that isn't how the music is actually made...(nobody in the studio is doing DBT every time they change something in the mix! - and try telling any

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread ezkcdude
acousticsguru;229860 Wrote: 1) Electrical engineers (more rarely acousticians or physicists) who stubbornly deny an audible difference something non-measurable and/or (seemingly) unscientic makes to frowned-upon audiophiles, until some years later, papers, tests and diagrams, i.e. scientic

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
darrenyeats;229859 Wrote: Not to say I don't believe David when he says there are differences...anything is possible. But this is one of those statements which deserves a DBT, IMHO. Would like to add something: I feel DBT really makes sense only if the minimum number of variables (preferably

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread betto
Assuming fixed DAC/analog components,I’m only aware of 2 parameters that can affect the sound of a a digital playback system : a) data accuracy b) jitter Since a is not an issue a sanely constructed system, then it must be b: jitter This is where Digital meets the realms of the real world – same

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
ezkcdude;229865 Wrote: Of course, I presented some evidence above that only very large amounts of jitter were audible to people, and you seemed to dismiss those results. Huh? Did I say that? Wasn't what I said we can't be sure it's the only cause for an audible difference? Also, didn't we

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
betto;229880 Wrote: A guaranteed a solution to the deficiencies of SPDIF is to design the DAC as the #8220;Master#8221; clock device How good of you to go into somewhat more detail, but why would the above apply to S/PDIF only, and not AES/EBU as well (up to that point, you took care to

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread ezkcdude
acousticsguru;229890 Wrote: You meant to say sighted as well as blind and double blind, correct? I'll assume you overread that part and are not trying to get smart on me trying to put your words into my mouth, all right? It appears to be getting late again, long day ;^) Greetings from

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
opaqueice;229907 Wrote: Could you describe the DBT you mentioned earlier in which you heard the difference between S/PDIF and AES/EBU? What was the source, and what was the DAC? How well did you score? Can't possibly enumerate all the systems in which I was shown differences between

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread acousticsguru
ezkcdude;229913 Wrote: The galvanic isolation could provide a reduction in noise - which could affect things, at least, in theory. These differences could be even greater if the cable length is very long (10 meters, let's say). Ironically, the only time I got to compare an otherwise

Re: [SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-25 Thread JimC
acousticsguru;229955 Wrote: I probably will. Let me ask you this, though: you're with Slim Devices/Logitech in some indirect or direct way (likely a staff member/on their payroll), correct? Why would you assume that? Sorry, but ezkcdude is not a Logitech/Slim Devices employee or

[SlimDevices: Audiophiles] Squeezbox with Word Clock in, AES/EBU etc.?

2007-09-24 Thread acousticsguru
I'll admit it, I'm new around here, but have spent several days reading through hundreds if not thousands of posts here and on other boards, and come to the conclusion that many, if not most (!) audiophiles are looking for exactly the same product as I am: an easy-to-use streaming client to feed

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