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Mr ProgFreak ![]() Forum Senior Member ![]() ![]() Joined: November 08 2008 Location: Sweden Status: Offline Points: 5195 |
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^ Do you know what USB cables are?
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Negoba ![]() Prog Reviewer ![]() ![]() Joined: July 24 2008 Location: Big Muddy Status: Offline Points: 5210 |
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does he even truly understand the difference between digital and analog and even the most basic implications? |
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You are quite a fine person, and I am very fond of you. But you are only quite a little fellow, in a wide world, after all.
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oliverstoned ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: March 26 2004 Location: France Status: Offline Points: 6308 |
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There are differences between different digital cables as well as between fiber optic (which are bad sounding) and digital cables. I don't explain but it's true.
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oliverstoned ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: March 26 2004 Location: France Status: Offline Points: 6308 |
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"Why is there any sound degradation ? it all depends on signal quality. In USB-audio the computer sends the data to the USB-DAC in datapackets. If the DAC receives error/missing packets there is only a very small timeframe during what the DAC can tell the computer to re-send the packets. If this timeframe is passed, the music is played without these packets and this is degrading the soundquality. USB-Audio transfer is a completely different thing as USB-data transfer. If eg. a USB-harddisk receives bad packets, the disk asks the computer to resend until the missing/damaged packets are arrived or if the USB cable is bad they reducing the transfer-speed. Ferrite Ferrite rings/beads have to be avoided, as they affecting the highs. Because they filter in same frequency areas as the transmitted USB-audio data. USB signal quality Just because it is a USB-signal, it is not automatically resistant against signal-alteration due to different influences! The trivial argument: that is digital, so 0 or 1, yes or no, there can nothing be wrong, is a statement in general only made by users who have no own experience in developing digital- or data-technology. The development of best USB-cables requires appropriate measuring equipment, where signal-problems can be detected and on construction level and proper material selection nearly be eliminated. Even here: the ear is also a development tool. USB Signal Measurements If we find the time, we will publish here some screenshots and measurement protocols of USB-signals. Professional USB-developers will explain the results in an understandable manner. We will compare and analyse standard USB-cables with AQVOX USB-cables. To be honest: for our experience, the sonic differences between USB2.0 cables can be huge when it comes to audiophile standards. The AQVOX USB cable sounds very open, transprent and natural, without any harshness. Our customers can go sure, that the AQVOX highend USB cable is made of the very best materials, provides maximum soundquality and exceeds the USB2.0 design specifications. A good hifi set will reveal the advantages of a good USB connection. The sound improves over the complete frequency bandwidth and in all aspects. Just try it ! " Source: http://www.aqvox.de/cable.html Edited by oliverstoned - July 12 2011 at 08:11 |
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Mr ProgFreak ![]() Forum Senior Member ![]() ![]() Joined: November 08 2008 Location: Sweden Status: Offline Points: 5195 |
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You can't explain exactly because it's not true.
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Negoba ![]() Prog Reviewer ![]() ![]() Joined: July 24 2008 Location: Big Muddy Status: Offline Points: 5210 |
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No - the ear is not the best measure of accurate digital signal transmission.
You do what Dean did. You can get a computer to look at the EXACT data as it is received. If there are no discrepancies, there are no discrepancies. Period. Done.
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You are quite a fine person, and I am very fond of you. But you are only quite a little fellow, in a wide world, after all.
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Mr ProgFreak ![]() Forum Senior Member ![]() ![]() Joined: November 08 2008 Location: Sweden Status: Offline Points: 5195 |
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^^^ Incidentally: What a clever idea of the manufacturers of audiophile equipment: Whenever someone doesn't hear a difference, it must be because some small part of their system is ruining everything. So once you buy one expensive gadget, eventually you'll end up moving to another house because it might have better acoustics. A classical slippery slope, which you can best avoid by trusting your ears *before* you commit yourself to spending 5-6 figure amounts.
Edited by Mr ProgFreak - July 12 2011 at 08:17 |
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The T ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: October 16 2006 Location: FL, USA Status: Offline Points: 17493 |
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Do they sell high-end silver-plated fully-insulated ear drums? That's what probably is making all the difference here.
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Chris S ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: June 09 2004 Location: Front Range Status: Offline Points: 7028 |
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I know that is made as a tongue in cheek comment.......BUT I wonder how far off that kind of " Solution" is....hitting 50 years of age i am beginning to find certain musical noises more obvious than others and would welcome some eardrum ' refurbishing"
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...As I venture through the slipstream, between the viaducts in your dreams...[/COLOR] |
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Catcher10 ![]() Forum Senior Member ![]() ![]() VIP Member Joined: December 23 2009 Location: Emerald City Status: Offline Points: 17966 |
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I like this and agree pretty much. I am very "progressive" in my listening styles and media, as I have a love for CD's and digital media also.
My appreciation of vinyl goes deeper than just "its cool!". I just feel it brings me closer to how the artists back then actually felt the music sounded best and yes a lot of it is the experience of vinyl spinning on my turntable...I think its great. To me its a constant search for that "better sounding" LP, rather than what most feel is the pinnacle of the "best sound" available in the form of a CD or digital file....your search is over
![]() Correct, the vinyl mfg process, quality back in the 60's and 70's was pretty bad.....But with the better technology of remastering today and the use of some better vinyl, thicker pressings and weight 180-200g...my search continues, that is a good thing!
I don't have the best turntable or the best cartridge or the best amp or speakers available (although I am working on that). But boy ohh boy, when I play some of my re-issues or a well made remastered 180g re-issue it is a different sound almost all the time on the same sound system. I think the CD will sound the same all the time forever and ever..and ever...and ever
![]() To me there is no arguement when I insert my CD or plug my Zune device into my home system and listen to Genesis Selling England By the Pound, it sounds amazing!. But it does not take me back to 1973 when the album first came out, to do that I MUST spin the vinyl and follow along with the lyrics holding the album sleeve......for the millionth time! (well I have not listened that many times....but a lot)
Cheers!
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Negoba ![]() Prog Reviewer ![]() ![]() Joined: July 24 2008 Location: Big Muddy Status: Offline Points: 5210 |
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I'm wondering, with so many home recorders out there now, if an artist would consider releasing and selling an entire multitrack process just so people can play with it. How much fun would it be to take a Devin Townsend song and see just what he did and twiddle with the levels and such?It seems to me that would bring me closer to the music and the artist than worrying about vinyl vs. flac.
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You are quite a fine person, and I am very fond of you. But you are only quite a little fellow, in a wide world, after all.
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Mr ProgFreak ![]() Forum Senior Member ![]() ![]() Joined: November 08 2008 Location: Sweden Status: Offline Points: 5195 |
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![]() Edited by Mr ProgFreak - July 12 2011 at 12:59 |
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Negoba ![]() Prog Reviewer ![]() ![]() Joined: July 24 2008 Location: Big Muddy Status: Offline Points: 5210 |
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Interesting...not sure those are the songs I'd choose but obviously someone beat me to the idea.
I thought lyrics like that first song were gone with the AquaNet.
Edited by Negoba - July 12 2011 at 13:05 |
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You are quite a fine person, and I am very fond of you. But you are only quite a little fellow, in a wide world, after all.
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Mr ProgFreak ![]() Forum Senior Member ![]() ![]() Joined: November 08 2008 Location: Sweden Status: Offline Points: 5195 |
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Whatever an AquaNet is ...
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Dean ![]() Special Collaborator ![]() ![]() Retired Admin and Amateur Layabout Joined: May 13 2007 Location: Europe Status: Offline Points: 37575 |
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However
![]() Just one thing (aside from all the glaringly obvious things) that rankles is this statement:
...when you are talking of USB 2.0 data rates in the order of 480Mbs then yes, you can safely say that small time-frames are involved, but since the digitally encoded audio data stream only requires data at 1.4Mbs then this is all relative and in relative terms one audio packet only requires 1/340th of the total available "bandwidth" (note: this NOT audio bandwidth). That time-frame is small to us mortals, but to the USB interface it is a very long time-frame... so while this advertisement (and let's be sure to understand it is an advertisement and not a technical paper) is making a true statement, it is being very economical with that truth and being horribly misleading in what it is saying.
Edited by Dean - July 12 2011 at 13:17 |
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What?
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Negoba ![]() Prog Reviewer ![]() ![]() Joined: July 24 2008 Location: Big Muddy Status: Offline Points: 5210 |
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Favorite hairspray from the 80's.
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You are quite a fine person, and I am very fond of you. But you are only quite a little fellow, in a wide world, after all.
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Catcher10 ![]() Forum Senior Member ![]() ![]() VIP Member Joined: December 23 2009 Location: Emerald City Status: Offline Points: 17966 |
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(sorry my bad......I should have refrained
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oliverstoned ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: March 26 2004 Location: France Status: Offline Points: 6308 |
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Some more explanations about digital cables...
http://www.tnt-audio.com/accessories/digitalcables_e.html Edited by oliverstoned - July 12 2011 at 15:41 |
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Padraic ![]() Special Collaborator ![]() ![]() Honorary Collaborator Joined: February 16 2006 Location: Pennsylvania Status: Offline Points: 31169 |
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Oh yay! Another article claiming group delay across the audio band is somehow audibly perceptible! |
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Catcher10 ![]() Forum Senior Member ![]() ![]() VIP Member Joined: December 23 2009 Location: Emerald City Status: Offline Points: 17966 |
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Your avatar can.... So there..nahhh
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