play 96 KHz and hear it on the analog
outputs. When you unplug the loop cable it should go silent.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
the level or using a
higher res ADC isn't going to bring it back.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=82050
dynamic range
(at the low frequencies of interest), while gaining better conversion
accuracy (higher SNR, lower distortion).
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread
is completely arbitrary and has nothing to
do with amplitude.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=82050
noise floor and it is not realistic to expect that
performance from a $300 device employing a single-chip, single rail DAC
+ output stage.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
in a machester receiver was incorrectly applied to ethernet streaming.
Obviously for Touch there is no s/pdif input so they would have been
playing files over the network, which uses its local (only) clock.
--
seanadams
seanadams's
the same since SNR
will be the limiting factor on a 24 bit DAC.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=82050
and
see if the DAC works.
I have never heard of this problem before so I'm just giving you some
things to try. Where to go next depends on what you find.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php
were barely FCC compliant, but the Logitech branded ones were
vastly quieter.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
_phase_ response, and that is not
shown from the simple sweep of amplitude response. It makes sense to me
that this could affect positioning and realism, even if a tonal change
is not detectable. But I'm still not sure why it should be better with
either curve in particular.
--
seanadams
this years ago but I just can't
remember what the deal was exactly. Certainly if they had told me slow
filter is awesome I would have used it.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
certainly are, and in either case the correct type of _cable_ is used,
and that is critical. RCAs connectors aren't _that_ bad anyway - we
manage to run high def component video over them, right?
--
seanadams
seanadams's
your momo;562730 Wrote:
Currently I made very good experience with the BNC out, but I could not
hear clear difference between AES or S/PDIF data format.
There isn't supposed to be.
--
seanadams
seanadams's Profile
is to take advantage
of microphone cables you might have lying around the studio, which are
terrible for this purpose.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread
silly that they are even different data formats in the first
place. They just rearranged a few bits in the data structure.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread
for the transformers. It is a rough estimate based on the
voltage seen on the secondary side.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
would think
that you're best off letting it do all the resampling in one pass.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php
Phil is correct. The grounded plug is for safety, as required for UL
compliance. It ensures that an internal wiring fault could not cause the
metal case to be hot (or cause damage to connected equipment).
--
seanadams
some notes because the
failsafe behavior is excessively touchy and should not be triggered by a
single spurious reading the way it does now.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
michael123;516473 Wrote:
for example, one that does not show me 'overvoltage protection' every
two weeks
see comments in other thread.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid
.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=75177
___
audiophiles mailing list
you do have to know what to listen for. Most people probably
focus on the tone and timbre in the foreground which is where mp3 has
the least difficulty.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com
the existence of microphonics in general. ;)
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=74721
Phil Leigh;514160 Wrote:
I'd call a -144dB null no difference :-)
Yep, me too. Just pointing out where there is still wiggle room for
people to claim they can hear stuff at that level (of course, while
refusing to ABX).
--
seanadams
driven to 0) rather than
floating.
This was different with SB3, where shutting off the DAC was necessary
to reduce the 20KHz noise floor below a level where it would trigger
some amps.
I do not think any difference in component wear should be a practical
consideration.
--
seanadams
with the bath tub business.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=74721
and isochronous USB for example).
In SB/TP, the outgoing data is clocked directly by a fixed crystal. The
incoming data is pulled on demand. There is no feedback from the
buffer fullness to the clock rate.
--
seanadams
it in packets and sudden movements
in an electronic circuit can produce jitter.
It's called TCP. Now, do you have testable claims or do you expect me
to address your hand-waving on the subject?
--
seanadams
seanadams's Profile
by a downstream amplifier,
and that has happened before.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=74721
johnM;510330 Wrote:
I haven't even checked my Transporter to see which kind of connector
they use, hopefully the 75 ohm type.
Yes they are 75#937;
--
seanadams
seanadams's Profile: http://forums.slimdevices.com
Can you explain in more detail what you want to accomplish? I don't
think word clock has been tested in this context, but it's not clear to
me that what you're doing is a valid application for it either.
--
seanadams
Valentino;510033 Wrote:
Thanks for replying, seanadams.
The basis is that I would like to syncronize the receiving end of the
effect loop to word clock in instead of the clock embedded in the spdif
signal as I do believe that it will reduce jitter in the system.
It will not. Word clocks
in synchronous loop mode. I know that behringer DEQs do,
but Tact DRCs do not (due to ASRC). It would be a good subject for a
wiki page.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View
there is to it.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=74426
___
audiophiles mailing
Ethernet is transformer isolated and will not make ground loops. Unless
you use shielded cable, which is a dumb thing to do.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View
This is next on my list of post-apocalyptic skills to master by 2012.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
not a limiting
factor, I goosed it quite a bit further from the reference design by
upgrading passives, using super regulators and good clocks. No big
secrets there, although other designs will have varying degrees of
headroom for such improvement.
--
seanadams
be a
problem.
Can you use the RCA outs instead?
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=73781
Besides the power issue - does that unit even support simultaneous
microphone level on one input and line level on the other?
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View
gsawdy;503243 Wrote:
Can the wireless card and antennas be removed from the Transporter? Is
there a link to the how-to-do-that info?
TIA, George
It's easy but there's really no reason to. When you're on ethernet it
is totally inactive.
--
seanadams
other reasons is why you should use ethernet if it's available.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=73247
where an external DAC may serve as the master
clock.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=73025
this for one minute, instead of
blindly accepting the dogma of an overpriced audiophile snake oil
vendor, you might begin understand where I'm coming from.
Sometimes I wonder why I still visit this forum.
--
seanadams
!
Not that I know of... and in fairness, Transporter has a word clock
output mode which only does 44.1, but as far as I know nobody has EVER
used it for anything except my own performance testing.
--
seanadams
seanadams's Profile
of everyone which makes it
easy to sell any kind of cure.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=73025
has the advantage that
it isolates the grounds between the two devices.
In terms of signal quality the differences are not going to be huge -
try them both.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com
See this thread about analog vs digital inputs on an A/V receiver:
http://forums.slimdevices.com/showthread.php?t=14599highlight=denon
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
connections should never be used to actually drive a DAC.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=73025
to understand the most basic principles of DAC clocking. Maybe
DCS does too - or maybe they do get it, but they'd rather sell you an
overpriced, utterly useless but impressively Italian-sounding word clock
box.
--
seanadams
http://forums.slimdevices.com/showthread.php?t=71262
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=72497
the best workaround is to use flac to re-encode that one track. It'll
probably work with the default settings.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=72413
___
audiophiles mailing
-compressing the file using the default FLAC settings, and
if that doesn't work try turning the compression level down a notch.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
the various media.
If anyone actually has a high-end scope and would like to try these
sort of tests I could provide more guidance on how to do it. I think
it's a shame that everyone seems content to speculate about jitter while
so few people actually test it.
--
seanadams
.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71464
___
audiophiles mailing list
suspect a firmware bug that
can cause a very rare, spurious false positive.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
it is not properly
reinitializing the player when it connects.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71415
Kellen;485819 Wrote:
All this talk about transmission problems with S/PDIF and USB . can
the Ethernet protocol (TCP/IP) not be used for the transmission of these
digital files in place of the current problematic ones?
I think there are products that do that
--
seanadams
that
is different than what these products do. When you say transport do you
mean a CD player or what?
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
the
external processor.
I haven't tested it but I suspect the Behringer DEQ2496 might be
suitable for this mode.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
the right thing and ignoring this
setting, but to be on the safe side it should be off unless you intend
to use it.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
are.
By the way asynchronous (external is master) is always going to work.
Synchronous is an optimization for jitter that only _might_ work.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View
AES/EBU is a defective technology, use coax S/PDIF instead.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71262
the cable handy, used
up all the other inputs, etc) but I don't recommend it.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
suspect neither are the guys who manufacture plastic
toslink adaptors...
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t
and tested output circuit... you'll
be happy.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71262
and not the other.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71190
Pneumonic;483413 Wrote:
Sean, if I may ask. While studying the various DAC chipsets prior to
deciding on the 4396, did you find that most of the serious contenders
outputted a balanced signal?
I have never seen a high end (120+ dB) DAC with single ended output.
--
seanadams
60Hz hum,
ground loops can put other crud in your noise floor that would be
eliminated if you use balanced.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
with a coil of wire in it...
A simple transducer isn't anything per se. It's not until you discuss a
transmission scheme - how it's connected to something, whether one side
is ground and how it is seen by an input, that you can describe the
system as balanced or not.
--
seanadams
/Balanced_circuit
Balanced signaling is not just some mumbo jumbo that audio marketers
cooked up. As I mentioned before it's also the basis for every modern
digital interface, and not just for interconnecting cables but (for high
speed signals) even at the board and die level.
--
seanadams
uptime has been reset (i.e. it crashed and rebooted).
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=71173
offset by that much.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=70969
bad - you're missing the
point of balanced signaling. It's TWO complementary paths, but neither
one is more complicated than its single-ended alternative, and having
two complementary paths is what gives you the common mode noise
rejection.
--
seanadams
That is too bad. I wish I could be of further help.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=70283
supposed to come into play when TP is
being used as a DAC.
Unfortunately, I think you will probably need to send it in for a main
board replacement.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php
), then it's bad. You might even convince Slim to send you just
the module and save everyone on shipping.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
maybe it's using a surround encoding? Any option in system preferences
- sound to change it to PCM?
Other than that, maybe try playing it into an AV receiver and
confirming that it works and comes up as PCM.
--
seanadams
.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=70283
___
audiophiles mailing
Sorry but I can not imagine any reason for this not to work!
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=70437
What makes you think it's the PSU? If the CPU doesn't boot for _any_
reason, you will get the same behavior. I would recommend sending it in.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php
passes everything through ASRC
processing even if the sample rates are nominally matched. I remember
testing this when developing the TP effects loop feature - you always
have to let the Tact become the master clock.
--
seanadams
alone.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=70166
___
audiophiles
unit.
Actually, given the way the bathtub curve works, a well-burned-in
Transporter that still passes factory testing is statistically _less_
likely to fail.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com
feeding. If it's going a short distance straight
into an op-amp buffer then you're probably fine. But if it's got some
capacitance or noise nearby, then you may have a problem.
--
seanadams
seanadams's Profile: http
dB of digital attenuation in the TP as needed.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=67711
prefer.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=69058
___
audiophiles
to the chip in
Transporter - although it lacks the Jung power supplies and low-jitter
clocking which will give TP a distinct advantage. If you want to do a
serious test it would be necessary to match levels using a voltmeter on
the pre-outs.
--
seanadams
to this sort of
thing.
A few things you could try:
Are you using the wii's 802.11? Use ethernet if possible.
Connect the wii with optical s/pdif if available.
Clamp ferrite cores around the wii's cables. Try them near either end
of the cable.
--
seanadams
amcluesent;439601 Wrote:
But I feel that this isn't so good due to impedance mismatches.
Nonsense. Line-out RCA connections are not even impedance matched in
the first place. It's perfectly OK to use a splitter for this.
--
seanadams
that the impedance of the
trigger input is high enough that it doesn't get loaded down too much.
If that doesn't work, use a 50mA PTC (resettable fuse) instead.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php
what you're getting at here. s/pdif uses only a continuous
clock signal that is embedded (manchester encoded) in the data. It does
not rely on the kind starving or not flow control you're imagining.
--
seanadams
seanadams's
his statement is quite disingenuous in extrapolating that
observation to current models, or the SB clocks in general.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http
timequest;427581 Wrote:
I really want to see if I can mod the Duet receiver with an I2S output.
Is that doable?
Not much you need to mod, the signals are there.
--
seanadams
seanadams's Profile: http
too hard. They have a wattage rating but again this is for
some test signal, probably pink noise, and is only an approximate guide.
For real music you just don't know its power level (at the relevant
frequencies most likely to damage the speakers) in advance.
--
seanadams
you should instead be
using -20dB analog attenuation.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=63495
This is not feasible, as Transporter is doing a simple electrical
pass-through from the s/pdif receiver to the DAC. From in-to-out there
is a fixed latency of less than a millisecond.
--
seanadams
seanadams's Profile
Never mind, the inversion option is only on Transporter.
Another thing to try is to test if it's a timing or performance issue.
Try turning the spectrum visualizer on and off, and see if that affects
the behavior.
--
seanadams
Try it with the analog outputs instead. Need to determine if it's an
s/pdif issue or something with the decoding.
Also try playing the files on a PC - make sure it's not the source
material.
--
seanadams
seanadams's
follows, k=7 = 001 follows.
--
seanadams
seanadams's Profile: http://forums.slimdevices.com/member.php?userid=3
View this thread: http://forums.slimdevices.com/showthread.php?t=62874
1 - 100 of 891 matches
Mail list logo
