Head-Fi.org › Forums › Equipment Forums › Sound Science › USB cable supposedly improving DAC sound quality? How can I take other posts seriously after that?
New Posts  All Forums:Forum Nav:

USB cable supposedly improving DAC sound quality? How can I take other posts seriously after that? - Page 12  

post #166 of 256

 

Originally Posted by maverickronin View Post
Originally Posted by kiteki View Post

Is there an ODAC thread we can discuss that in?

 

I have no idea...

 

I couldn't find one so I made it - http://www.head-fi.org/t/607975/jdslabs-odac-epiphany-acoustics-e-dac-discussion

 

Leaving this thread now.

 

post #167 of 256
Quote:
Originally Posted by kiteki View Post

I couldn't find one so I made it - http://www.head-fi.org/t/607975/jdslabs-odac-epiphany-acoustics-e-dac-discussion

 

Leaving this thread now.

 

Curse you!  evil_smiley.gif

post #168 of 256

 

Originally Posted by maverickronin View Post
Quote:
Originally Posted by kiteki View Post

I couldn't find one so I made it - http://www.head-fi.org/t/607975/jdslabs-odac-epiphany-acoustics-e-dac-discussion

 

Leaving this thread now.

 

Curse you!  evil_smiley.gif

 

It's okay, I'm more listening inclined, you're more 2D data inclined, we can have rival threads, different sides of the coin, and if we're banned for making them, at least we'll go down together.

 

Since I already have a very similar DAC, I'll be able to blind-test them, with two laptops, or something like that, it'll be fun times.

 

post #169 of 256

 

Quote:
Originally Posted by kiteki View Post

     Quote:

 

I posted the data in post #130 and #108.

 

The fact you need to conduct a survey is a data point in the direction of evidence of a lack of evidence.

 

If you want to continue the discussion or you're actually going to poll sound-engineers if they can see the difference between a STAX and an IEM on paper (minus the isolation spec., which isn't relevant) feel free to start a new thread on the topic.

 

 

You posted measurement data in those posts. What we do not have is data regarding whether people can get even an approximate understanding of the sound of a particular headphone from those measurements (my experience is yes, but my survey will build that out into more useful data). And further, whether there are aspects of headphone sound that do not appear in the measurements. You assert there are, I assert there are not. It currently appears that neither of us has data related to that issue. 


Edited by liamstrain - 4/29/12 at 9:21pm
post #170 of 256

I almost feel like I'm watching a courtroom scene. ph34r.gif

post #171 of 256
Quote:
Originally Posted by proton007 View Post

I almost feel like I'm watching a courtroom scene. ph34r.gif

 

OBJECTION.gif

post #172 of 256
Has any of the skeptics done blind tests of USB cables on a high end speaker system? They always say we don't do blind tests, heck, we do that a lot. Last weekend we just tried some US$10K ish USB cables (Entreq Apollo and Siltech) together with cheaper ones as well as some computer store $5 cables. I would not rank any cables here since then I would be susceptible to advertising, nor would I post my conclusion as to whether the more expensive ones sound better, but this much is clear - there are clear audible differences among USB cables, and the difference is not small. The thing with a speaker system is that it is easier to do volume matching, you just put a sound level meter at the listening position and set the volume to the same dB level every time you switch a cable (which is done by a guy dedicated for that job and changing cables without our knowledge).
Edited by Diablo3 - 5/31/12 at 5:42pm
post #173 of 256
Quote:
Originally Posted by Diablo3 View Post

Has any of the skeptics done blind tests of USB cables on a high end speaker system? They always say we don't do blind tests, heck, we do that a lot. Last weekend we just tried some US$10K ish USB cables (Entreq Apollo and Siltech) together with cheaper ones as well as some computer store $5 cables. I would not rank any cables here since then I would be susceptible to advertising, nor would I post my conclusion as to whether the more expensive ones sound better, but this much is clear - there are clear audible differences among USB cables, and the difference is not small. The thing with a speaker system is that it is easier to do volume matching, you just put a sound level meter at the listening position and set the volume to the same dB level every time you switch a cable (which is done by a guy dedicated for that job and changing cables without our knowledge).

What was your methodology? How many trials did you do? What were your results?

post #174 of 256
Three round of tests, four people, six cables, meaning 18 rounds of audition, hit rate of the high end cables against the $5 ones was 100 percent, ie we are able to sort out the two cables every time. If still in doubt, try doing it yourself and stop accusing audiophiles of not doing tests ot doing them incorrectly. Digital is just a concept. We live in an analog world.
post #175 of 256

Out of additional curiosity - what was the cable length?

post #176 of 256
Quote:
Originally Posted by Diablo3 View Post

Digital is just a concept. We live in an analog world.

 

Not quite...

post #177 of 256

there are literally $1million prizes out there, if you can demonstrate this amazing ability in a public setting (assuming some of the cables are not broken, causing the sound difference)

 

Quote:
Originally Posted by Diablo3 View Post

Three round of tests, four people, six cables, meaning 18 rounds of audition, hit rate of the high end cables against the $5 ones was 100 percent, ie we are able to sort out the two cables every time. If still in doubt, try doing it yourself and stop accusing audiophiles of not doing tests ot doing them incorrectly. Digital is just a concept. We live in an analog world.
post #178 of 256
Quote:
Originally Posted by Diablo3 View Post

Three round of tests, four people, six cables, meaning 18 rounds of audition, hit rate of the high end cables against the $5 ones was 100 percent, ie we are able to sort out the two cables every time. If still in doubt, try doing it yourself and stop accusing audiophiles of not doing tests ot doing them incorrectly. Digital is just a concept. We live in an analog world.

How about the difference between two different high end cables? What was the percentage guessed correctly there? If you only singled out the $5 cable every time, it was probably faulty.

 

Were you all in the room at the same time discussing your choices? Of course you'll come to a consensus. Were you only comparing two of the cables at any one time? And if that's the case, three rounds of tests is far from enough for statistical significance. Guessing correctly out of two choices three times in a row is a 12.5% chance. You want under 5%. You should do ten rounds to be sure.

post #179 of 256
Quote:
Originally Posted by El_Doug View Post

there are literally $1million prizes out there, if you can demonstrate this amazing ability in a public setting (assuming some of the cables are not broken, causing the sound difference)

 


Or assuming one of the cables doesn't incorporate something like a Zobel network as part of its basic design!  wink.gif

post #180 of 256
Quote:
Originally Posted by BlindInOneEar View Post


Or assuming one of the cables doesn't incorporate something like a Zobel network as part of its basic design!  wink.gif

 

Even if it did - that wouldn't affect digital data. 1s and 0s are still 1s and 0s unless the network entirely destroyed the voltage swing. In which case, there would be no music at all. 

New Posts  All Forums:Forum Nav:
  Return Home
  Back to Forum: Sound Science
This thread is locked  
Head-Fi.org › Forums › Equipment Forums › Sound Science › USB cable supposedly improving DAC sound quality? How can I take other posts seriously after that?