you're really comparing the DAC of the CD player (or outboard DAC) with
the DAC of the SB2 (assuming both deliver bit-perfect digital streams,
which the SB2 may actually excel at) and (not to be forgotten), the clock
jitter performance of the two
transports.
Since high-end audio is all
Patrick Dixon a écrit :
Since high-end audio is all about how it sounds... I can't fathom why
somebody would nix blind listening tests
Perhaps because they feel blind listening tests don't accurately predict
how music sounds when you listen to music, rather than equipment.
When your
When your hypothesis doesn't fit the facts, you have to look closely
at
your hypothesis - rather than dis the facts!
Sorry should have also added:
or fall back on some (possibly unrelelated) facts, that do fit your
hypothesis
--
Patrick Dixon
www.at-view.co.uk
pfarrell Wrote:
Their website does not yet have the August issue.
The do have a 15+ year old article
http://www.stereophile.com/features/113/
on Blind Listening
Very interesting article. The letters are very interesting too. I
guess the effectiveness of blind testing depends on how
In the interests of science, would you do another test comparing your CD
player (assuming you have one) to the SB2 in a blind test.
The results may be interesting!
Andy.
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Andrew L. Weekes
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MrKegFlex Wrote:
Just to make sure there is no confusion, I don't believe the night/day
comparision was used to describe the difference between a wired and
wireless connection. It was used in my post to compare the difference
between my cd player and a wireless sb2.
In my case, I
seanadams Wrote:
I am not going to answer any more questions in this thread until someone
is willing to try a blind test. It only takes a few minutes.
There is no logical explanation as to why wired vs wireless should
sound different.
Couldn't agree more.
--
Aylwin
seanadams Wrote:
I am not going to answer any more questions in this thread until someone
is willing to try a blind test. It only takes a few minutes.
There is no logical explanation as to why wired vs wireless should
sound different. I could explain all the science behind this, but it's
-From my understanding jitter is a time based issue that occurs when the
timing on the transmission side is unstable and the DAC uses this
unstable timing as a basis for conversion.-
That is true.
-I would presume the Squeezebox or XBMC in my case would read the FLAC
file into a buffer and then
These links make good reading: -
http://www.benchmarkmedia.com/appnotes-d/jittercu.html
lots more here: -
http://www.pinkfishmedia.net/forum/showthread.php?s=threadid=10480
Andy.
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Andrew L. Weekes
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-It is very easy to verify bit-perfect output from SB2 either by playing
non-PCM material or by recording with a PC.-
The only problem with this (from the perspective of audible
differences) is that the bit perfect test is in the digital domain,
where jitter is almost irrelevant unless gross
-It is very easy to verify bit-perfect output from SB2 either by playing
non-PCM material or by recording with a PC.-
The only problem with this (from the perspective of audible
differences) is that the bit perfect test is in the digital domain,
where jitter is almost irrelevant unless gross
I found the following article which appears to be a good read on
jitter...
http://www.digido.com/portal/pmodule_id=11/pmdmode=fullscreen/pageadder_page_id=28/
However i'm still reluctant to say this is the culprit on this issue.
From my understanding jitter is a time based issue that occurs
Interesting comments, and link! Unfortunately, I haven't had time for
more listening tests (and having to work this weekend, won't till late
next week). However, I'm hoping somebody else (with more audio and
technical know-how than I), can perform some OBJECTIVE measurements in
the meantime.
MrKegFlex Wrote:
I too am experiencing the same thing with a wireless SB2. Using flac
files and connecting with digital coax to my avr is not producing the
same sound as my cd player connected with digital coax to my avr. The
sound is totally different... it really is a night/day
Easy, assuming you know your way around an audio editor:
Create a small test sample (ideally a clean test tone with obvious
starts and ends).
Connect the SB2 via wired, connect the digital out to the digital in of
your PC.
Record on the PC, play on the SB2.
Reconnect via wifi, repeat.
Now
I've just switched from wired to wireless and done a few blind tests and
can't hear a difference - using Rotel pre-amp/amp and Rega Jura
speakers.
The amp is a bit older so I'm using RCA outs from the SB2
All files are FLAC.
--
bossanova808
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Check that Player Settings-Audio-Bitrate Limiting is set to 'No Limit'
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There must be some downsampling going on...TCP/IP is TCP/IP regardless
of the transmission medium.
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radish
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