Hi,
My SBT with TT3 and volume mod enabled sounds louder when played from
my NAS than from W7. Any idea how it is possible?
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that changes on
its own. Is there anything i can do to to stop modification display from
enabling itself?
Try tt -x to turn it off temporarily and then tt -d to turn it on
permanently. Next reboot display should stay on until you type tt -x
again.
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I noticed that flac files after RC filtering are smaller than before.
How do you explain that? Does it mean that there is a loss in
resolution? My guess: it is probably due to bass and treble rolloff in
the target curve.
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This is the size of the file generated by the demo version of
audiolense, once converted to flac. It is more compressed with RC than
without.
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krzys;691756 Wrote:
Evdplancke, what speakers are you using? Try different mike
orientations. Check the impulse response, are both channels similar?
Ask Brent from Audiolense, send him your measurements. With Audiolense
it is rather easy to get good filters compared to the DRC itself
. Avoid the logo facing the wall or your speakers.
This will be my next try. Thanks for the advice.
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Phil might be
right, when he says that 5-10cm deviation from the real center doesn't
matter.
Do you mean you had a time misalignment of the same magnitude as 1.6 ms
when the mic was not correctly oriented?
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it make sense?
Conclusion: even if I know that my room frequency response is all but
ideal, this is the one that gives me the better sound right now.
Achieving good results with RC seems rather tricky for me.
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also that I use my USB DAC for playback
and a USB digital recorder for recording. Can it cause phase and/or
time shifts that could explain the results?
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mic can help as suggested by Phil. I was also thinking
about placing some kind of absorbing material behind the mic to
attenuate the reflexion on the back wall.
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in audible
frequency band...
Then what about a NOS DAC without output filtering (using ear natural
lowpass filtering): this would get rid of pre-ringing filtering
artefacts. Combined with ultra hires, wouldn't it be close to the
perfect sound?
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evdplancke
a duplex soundcard can degrade quality of the
measurements, but is it still the case if using good quality DAC and
recorder?
The advantage of measurements with Inguz by playing sweeps from the
Touch was to correct the whole chain including the Touch. Is it not
possible with Audiolense?
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... but then how to
import in Audiolense?
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Thanks Chris for your explanations :)
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without garantied results. Is it
possible to import in Audiolense sweep files recorded by external
recorders in order to avoid using a bad PC sound card?
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Another dummy question: there are several places to adjust recording
level in my setup: recorder rec gain, mixer main level, mixer Mic input
gain, mixer Mic input level. Where is the best place to ajust recording
level in order to avoid clipping but still minimise noise.
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Phil Leigh;690585 Wrote:
Fortunately the DVD-A is rather good.. :-)
The ugly thing therein is that one will again tell that the medium
makes the difference and wrongly conclude that it's hires that best
reproduces the good old analog vynil sound.
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.
Then you can run Impulseprep by copying the commandline from inguz
website.
Be sure beforehand to have changed the parameters of .drc files and to
have all drc exe and config file as well as your source sweep files in
the same directory as Impulseprep (right.wav and left.wav).
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Phil Leigh;690261 Wrote:
I upsample everything to 96 via SOX
Hi Phil,
Do you really mean you are converting whole your music collection to 96
Khz beforehand in order to be able to apply room correction??? Isn't it
a tricky process?
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I have the following error message in Inguz log.txt: Write fault 232:
The pipe is being closed.
Does anyone have the same message? Any idea if this has an impact?
Music is playing but with bad sound though no clipping.
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- second the sound was awfull when correction filter was applied
Went back to correction off! Don't how to get something correct out of
this stuff... I am really disappointed :(
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not contain any freq above 20 khz.
The question remains however: are those benefits audible or not? I'd
say it makes it at least more robust against less than optimal receiver
implementation.
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magiccarpetride;689109 Wrote:
For me, it's a very clear-cut binary situation: either I hear the
differences immediately, or I won't ever be able to hear them.
So would you then with DBT? Why being so reluctant then for blind
tests?
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magiccarpetride;689118 Wrote:
Because peeing in the cup while blindfolded always leaves the floor
dirty.
Polite way to elude the question :(
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;)
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Also to the other contributors, this is not the place to discuss theory
but to share practical experience of listening test methology.
Thanks for contributing to the subject of this topic.
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evdplancke's
I hear when in the totality mode rather than in the critical
listening mode.
I hope all this makes some sort of sense.
John S.
Thanks John for this very valuable post that puts this thread back on
track!
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piece inappropriately used can be pretty disastrous.
Chris :)
What is then wrong in my setup? My switch is directly connected to the
Touch? How should I ground the shielding if neither the switch or the
Touch have a ground pole on their plug?
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Soulkeeper;687994 Wrote:
Something called good enough does actually exist???
What a peculiar thread. :)
Good enough...? Yes, when you start listening to music instead of
worrying about what sounds wrong :)
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could recognize different signature of the sound
between 320 kbps mp3 and flac.
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Bytec;687992 Wrote:
I use foobar2000 ABX Comparator for such purposes.
http://www.foobar2000.org/components/view/foo_abx
I was using the Touch with a mix of local flac files with their Spotify
premium equivalent version in one single playlist.
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a
can potentially interfere with speaker cables and interconnects to the
PC and the touch.
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members to share their testing
methodology in order to sort out the best practices in critical
listening methodology. So feel free to contribute :-)
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darrell;687946 Wrote:
Congratulations, particularly for the honesty of your post. If you want
any advice, now improve your system by adding to your music collection.
Yes, I think indeed it is the best I can do! Thanks for the
encouragement!
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audio FFRC DIY speaker cables - PE Leon AT-1 speakers
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lake_eleven;687933 Wrote:
Any suggestions?
Lasso makes my PC working worse: how to disable it?
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?
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transmission :) Who said Ethernet do not have any
incidence on SQ?
Envoyé depuis mon GT-S5830 avec Tapatalk
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So far, I can conclude from the first few posts that the best test
methodology is:
no test at all and enjoy the music! sounds wise isn't it?
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output. The
others, if they think they are wise, should rather keep quiet... or
experiment to see if they can find some factual evidence to sustain
their claims.
Now I guess you can judge by yourself who I think is wiser ;)
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here and You did not answer the
questions I raised.
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think you can draw this conclusion from your answers.
Cheers
E
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superbonham;686723 Wrote:
Just being curious: what was the difference between and again in your
opinion?
Cheers
superbonham
No difference. But claiming these statements are false without evidence
of it is no genuine wisdom.
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a kind of mental representation that
may need some more time.
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that ...etc. The
simple answer is that there are no grounds for belief in these tweaks.[/QUOTE
Wrote:
You have the right to believe what you want but without answering to my
questions, I don't see enough reason to believe that your opinion is the
truth.
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with strings. The most efficient methodology for me
is to listen to short extracts in turn on the system we compare, but
unfortunately this is not easily applicable to the experiment of
unplugging the ethernet cable.
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source noise has no
impact on analog output noise.
And if I remember well Phil, you are the only one on this forum that
objectivated by quantitative measurements that tt3.0 mods have an
incidence on DAC output signal (weither it is audible or not is another
topic).
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at least on this topic this is no nonsense.
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effect is not negligible at 20kHz and is virtually reducing
effective surface of thick cables.
Air coil inductance might be of the 3d order at best IMHO.
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but the noise of the DAC circuitry should be added to the signal
including potential noise transferred from the input if any.
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garym;685437 Wrote:
Thanks evdplancke for this example. This sort of thing (a test, even if
not perfect) is all I've ever wanted folks to try. Don't get me wrong
either, I'm not happy because you found little or no significant
difference (although not surprised, given the use of a good DAC
Phil Leigh;685516 Wrote:
It's only a matter of time before someone will claim that the reason you
hear no difference is because your hearing or system is not good
enough...
I admire your courage. I really do.
No problem... I'll assume :)
--
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, details, tonal balance and so on.
This will hopefully put an end for me to the nightmare of the endless
(and sleepless) tweaking quest of the holy graal of the perfect sound
and finally let me enjoy the music.
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.
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source.
I tried to apply these principles by using 3 Utp cables in parallel and
perceived more details in the treble and hence great improvement in
spatial representation. Unfortunately, I don't have the equipment to
confirm these results by measurements.
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TheOctavist;685108 Wrote:
http://www.head-fi.org/t/190566/blind-cable-taste-test-results
This test is pointless... what does it aim to prove?
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) new windows server tuning tips from SBGK using Pro Lasso and
registry settings
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... I don't remember well... things happened the other way
around.
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of experimentation, and not believing
experimentation is useless because it does not fit into known models.
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and where you did put
them?
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experiment similar issues with ProLasso and/or Fidelizer?
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wondering where
the residual error/noise signal comes from even if the input is bit
perfect. That means for me, that a DAC output is not totally immune to
(input) noise of any kind (not only jitter but also EMC/RFI, distortion
of input signal,...).
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DAC to pulse
width/pulse density de-modulation. Don't know the link anymore but will
try to find it back.
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such a high resolving system.
Very appealing ;)
When did you hardwire your coax: before or after Fidelility Audio mods?
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after Fidelity Audio mods?
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SBGK;683469 Wrote:
evdplancke, can confirm that the harsh treble has well and truly been
tamed by the Fidelity Audio mods, now I have unbelievable levels of
detail, has transformed the Amandine Beyer four seasons from a screechy
screechfest to something quite wonderful, so many layers
, especially for the Touch
where S/PDIF impedance is poorly matched.
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would be reached when there is no queuing at
either side i.e. the network buffer is filled in at exact the same
speed as the ALSA buffer is emptied, in order to keep the processing
load as smooth as possible. This is pure theory however and I see no
way to check this.
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. There still a
lot to be discovered about these phenomena.
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TheOctavist;682473 Wrote:
I dunno how to PM, so here it is.
trb102...@gmail.com
I'd advice you to remove your e-mail from public sites if you don't
want to be spammed. This is why PM exists.
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garym;682541 Wrote:
good point and uou might do him a favor and edit your response to him,
as it contains the email address and he can't edit your post.
you're absolutely right! modified my post ;)
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between the 3 fully-implemented priority sets is so different that
you'll know if you forgot the reboot.
Curious to know if you still find buffersize 3200 superior to 2
with SBT default priorities?
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magiccarpetride;682173 Wrote:
many singers now appear shorter than before.
Weird...
I'd add they are also thinner than before :)
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GT-S5830 avec Tapatalk
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fine tuning of buffer/prios.
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, or at least
if the sound gets fuzzy. Probably a good idea in general. Edit: I'm
running XP on an oldish Dell for my server]
Did you apply the NW mods from soundcheck: switch close to SBT and
modified Draka cable? The later removed some harsh sound from my
system.
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By the way, with higher buffer setting, the imbalance (left was little
louder with 3400) of higher treble, and the harshness, gone..
Jacky
Did you try Logitech defaults @ 3200?
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an incidence on SQ.
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at a bargain price from logitech online store (bought one at
72euro; in Belgium) and allow to use Touch without screen like the
Duet. Good remote alternative is iPeng for Apple iOS devices or
SqueezeCommander for Android.
Cheers.
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+ Buffer 2: Heights, mids and bass are
perfectly homogeneous, no imbalance in the treble range more -- the
music flows simply.
Jacky
Interesting but I am missing your feedback for TT3+Logitech
default+buffer 3200/3400.
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?
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the mids and sharp
scenic imaging from the trebles. Globally much closer to live music.
3) Buffersize 4000: similar to 3200 but with some loss of precision.
I will definitely stick to 3200 that better fits to my system and ears.
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it is superior and will forget
about looking for better settings
B - you did not had to take much listening to figure out that
buffer@3400 was not good and you will forget about applying lower
buffer settings
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evdplancke's
.
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.
Anyway, it shows that there is no universal solution fitting all the
systems.
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.
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close to SBT.
Buffer@3200 works fine for me. Will try 3400 and 4000 again tomorrow.
2 definitely forgotten for me.
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NoRoDa;681588 Wrote:
I agree
Rega DAC here, Filter setting 1 currently, Blue Jeans digital coax :)
Since you have the same DAC as rgro, can you please give feedback about
lower buffersize (3200-4000) with Logitech default priorities? Better or
worse than 2?
Cheers
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listened to it with 3200. Well with 2. Have to say that I
find little emotions with this recording, so I will hardly be
enthousiast about it. So was it when listening to it today. Will try
though with 3200.
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recording
without fatigue... and it beats my NAD c515 Cd player.
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?
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connected to coaxial or optical output. For me it
is a V-DAC II with V-PSU and Blue Jeans coaxial interconnects.
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embarrassed) convert, now.
Happy to see we share the same conclusion. Have to say I had even
forgotten to apply tt -k before my latest post. Now it is even cleaner
than before. Difficult to imagine I could improve a lot more.
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with short buffer, some have too
much highs with long buffer. Who has the most balanced system since
both are equally wrong?
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evdplancke;681498 Wrote:
Not yet listened to it with 3200. Well with 2. Have to say that I
find little emotions with this recording, so I will hardly be
enthousiast about it. So was it when listening to it today. Will try
though with 3200.
Also tried Outdoor Ambience of Nuforce
.
This makes justice to Klaus' logic of reducing buffersize to reduce
jitters and hence improve music fidelity. Next task for me is to figure
out if SBT default prios are the best for me. I can at least say that
they sound damn good on my system.
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. :)
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any other device
within the system.
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instrument very precisely
in the sounstage.
Thanks for having shared your findings with the community :)
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