adamdea;630296 Wrote:
err help
Having fiddled with inguz as eq for some time I am now taking the
plunge. I have purchased an m-audio mobile pre external soundcardand a
dbx driverack measuring mic. I have installed the mobile pre on a
laptop. I ahve downloaded the trial version of inguz 2.0.
PasTim;630300 Wrote:
I had been under the impression that with PCM one could get subtle
timing problems in the sequence of bits, and that could result in
potentially audible degradation. I know people argue about this, but
I'm not going to (either way). ...
No need for any argument, on the
tank121;630311 Wrote:
Ordered the electrics today Phil thanks but not from screwfix these guys
give you 5% of the value of your order off your next order!
http://www.gil-lec.co.uk/
My shopping list
MK Unswitched Socket 2 Gang 13A x4 (audio)
13A Switched Socket 2 Gang Polished Chrome
PasTim;630300 Wrote:
In my case, the Touch does not appear to be able to handle 24/96 PCM,
but happily handles FLAC.
PCM will therefore be more demanding on the network link between the
Touch and the server (more data being sent), but the Touch is perfectly
capable of handling that data
earwaxer9;628211 Wrote:
As far as the toslink connector - I cant see how that has anything to do
with the transmission of the light as long as its lined up properly. My
DAC will actually pick up the light signal and transmit very good sound
even before it is fully plugged in! I tried holding
Certainly the Touch and SBS 7.6 CAN handle 24/96 PCM or FLAC without any
issues so what's left is your network and/or server hardware...
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - Audiolense
Phil Leigh;630358 Wrote:
Dave - AudioLense 2.0 is fine for you (and me!) for the subwoofer.
You don't need to have the DAC in the test file playback chain. Most
DAC's are reasonably flat (within 0.5dB anyway) and what are you are
trying to fix with DRC is the interaction of the speakers
adamdea;630377 Wrote:
Thanks Phil. I have made 2 schoolboy errors - I have got a mic lead
which is too short and I can't seem to work out how to plug anything
into the line outs of the mobile pre- they aren't normal RCA sockets.
This perhaps should be obviously. I therefore found that I
Phil Leigh;630373 Wrote:
Certainly the Touch and SBS 7.6 CAN handle 24/96 PCM or FLAC without any
issues so what's left is your network and/or server hardware...
OK. Now.
SBS 7.6 can't handle anything. It is not a Beta as they call it (due
to whatever reasons) . I consider it a dead
Phil Leigh;630381 Wrote:
XO has Group Delay. I will get that when I have sufficient funds!
I'll check which exact version of AL I have later today.
I'll take a look at the Mobile Pre and see if I can advise...
Ps sorry for calling you Dave! :-(
No worries. The line outs just look like a
JezA;612984 Wrote:
Who's going to buy a squeezebox when the Logitech Revue does so much
more?? Streams music and video and gets you online, HDMI and USB
outputs, remote apps .. Allows you to use many different music and/or
video servers ..
I don't think the Revue is going to be a SqueezeBox
ralphpnj;613580 Wrote:
Apparently there seems to be lots of confusion about what UPnP means and
I count myself among those who are confused.
From what I can gather a UPnP device is either a client or a server. In
the case of the Squeezebox devices, the Squeezebox is a client and the
soundcheck;630396 Wrote:
OK. Now.
SBS 7.6 can't handle anything. It is not a Beta as they call it (due
to whatever reasons) . I consider it a dead pre-alpha.
I find it ridiculous that anytime a problem occurs those so called
specialists around here show up with it's fixed in 7.6.
JezA;613028 Wrote:
FLAC has to be converted to PCM somewhere,either on your NAS or on your
squeezebox, so the power gets used whichever.
You might only want to use your Harmony remote - many people will
prefer an iPhone/Touch/Android solution ..
It's early days for the Revue yet, and
adamdea;630399 Wrote:
No worries. The line outs just look like a hole in the case of maybe 1cm
(probably a bit less) diameter- when i peer inside all i can see is
black (possibly a spring clip somewhere).
I have a feeling that the AL terminology is confusing and that what
they call 2.0 is
hi, just to clarify you can split the signal and run into a DAC with two
coax inputs OR even more simply run coax and optical into the same DAC.
Assuming you want to aid switching by staying exactly in the same
position, then a remote control switching is useful. Buy a DAC with
remote for as
Phil Leigh;630418 Wrote:
I have AL 2.0, version 3.3 - I am downloading 4.1 !
The outputs on your mobile pre are 0.25 inch TRS jack sockets. You can
connect normal RCA/phono cables to them using jack-phono adaptors. Like
these:
Phil Leigh;630406 Wrote:
6) Why do you have a problem with 7.6? - whilst you are complaining
about it, I've been happily enjoying its benefits for a year :-)
Fully agree with you. Never had any problems with 7.6 (with one single
exception, but that little problem was solved the next day).
adamdea;630424 Wrote:
Thanks. Will have quick look in Maplins or else Amazon it is. Presumably
Nordost do a version for £2500.
Intrigued to know what 4.1 will do that 3.3 didn't
You can get something suitable from Maplins.
I've installed 4.1 and tested it, but I'm not sure what the
Google TV looks to be dead already..
It is not a killer, but rather a suicide..
--
michael123
Please fix http://bugs.slimdevices.com/show_bug.cgi?id=16814
michael123's Profile:
Phil Leigh;630361 Wrote:
The distortion does not rise with frequency. I think what you are
missing is:
a 20kHz signal never occurs in isolation in real music and even if it
did,
it takes many consecutive samples to convey a sound
there is no averaging, there is a series of instantaneous
soundcheck;630396 Wrote:
OK. Now.
SBS 7.6 can't handle anything. It is not a Beta as they call it (due
to whatever reasons) . I consider it a dead pre-alpha.
I find it ridiculous that anytime a problem occurs those so called
specialists around here show up with it's fixed in 7.6. THX.
snottmonster;630369 Wrote:
PCM will be more demanding on the network link between the Touch and the
server (more data being sent), but the Touch is perfectly capable of
handling that data stream. While there could be a fault with the Touch
or even the Server, the symptoms (ie dropouts) would
That example, I believe, is WHY it works. If you look at the signal
AFTER the reconstruction filter, the jagged edges are gone. Of course
if you look at the digital output of a 15kHz signal sampled at 40kHz it
will look coarser then a 100Hz signal sampled at 40kHz. BUT, after
the proper
TerryS;630441 Wrote:
I only meant to say that the proposed technique might show some
interesting results if applied to the CD encoding process that our
present suite of sine wave based tools are not capable of showing.
Terry
Sine waves are used because you can make a meaningful
tcutting;630448 Wrote:
Sine waves are used because you can make a meaningful measurement. At a
single frequency you see the amplitude and phase response at that
frequency, as well as any added frequency content which is due to
distortion. You can also do two-tone tests to look for
TerryS;630441 Wrote:
I know it doesn't matter to you, but then I'm wondering how you managed
to wander down into the Audiophile forum :-) Terry
Phil,
I apologize for how that sounded. Obviously you have a valid viewpoint
and the inclusion of it makes this a more interesting discussion.
PasTim;630444 Wrote:
I tried the Touch connected via one switch to the PC, with short (2m)
cables. The problem was unchanged, so I do not believe it's the
network. Given the visible load on the PC CPU(s) is below 5%, disc
utilisation is very low, and I turned off all security software, I
TerryS;630450 Wrote:
I don't mean to say that sine wave based measurements are not useful for
exactly the reasons you state. I agree with what you say 100%. But in
addition to them, I'd like to see the technique in the first post
become more commonplace.
Terry
see post 66
--
adamdea
Phil Leigh;630452 Wrote:
Going back to your immediate issue; you have eliminated your network as
a problem, but not the server.
Nor the switch, or the cables...
--
snottmonster
snottmonster's Profile:
Phil Leigh;630438 Wrote:
You can get something suitable from Maplins.
I've installed 4.1 and tested it, but I'm not sure what the
improvements/changes actually are yet... more research required. In
June I'll be upgrading to 4.1 XO - I really want that TTD/Group Delay
functionality :-)
TerryS;630451 Wrote:
Phil,
I apologize for how that sounded. Obviously you have a valid viewpoint
and the inclusion of it makes this a more interesting discussion.
Please do not take offense.
Terry
Terry - no offense taken - it made me chuckle :-)
There are lots of things that don't
Phil Leigh;630452 Wrote:
This raises a very important issue that you may wish to consider (I
certainly spent a long time pondering on this):
I decided 2 years ago that I would never become totally dependent on
any plugin that I couldn't maintain myself if I HAD to. Plugins are
supported
Speakers Cable
Looking to use Chord Rumour speaker cable with my forthcoming Dali
Mentor Menuets.
http://www.dali.dk/display_content.php/INT/Loudspeakers.html/172/2371
Your thoughts good match ?
The speakers are going to be wall mounted using Dali's speacker
brackets at about 6ft from the
tank121;630482 Wrote:
Speakers Cable
Looking to use Chord Rumour speaker cable with my forthcoming Dali
Mentor Menuets.
http://www.dali.dk/display_content.php/INT/Loudspeakers.html/172/2371
Your thoughts good match ?
The speakers are going to be wall mounted using Dali's
PasTim;630461 Wrote:
...
It's also fascinating what people use. I can't imagine why I would
ever want to use MusicIP. Indeed I only dimly understand what it is
for. No doubt others would fail to understand why I need extra tags on
my FLACs to include 'work', 'movement', 'work artist' and
adamdea;630456 Wrote:
see post 66
Did you read the report that was the basis for the start of this
thread? It used a high resolution ADC to read the output of the
power amplifier and compare that same output when something in the
chain was changed. In their case it was including cable
Yes they can be angled down slightly. 5ft better then ? Big difference ?
--
tank121
tank121's Profile: http://forums.slimdevices.com/member.php?userid=17169
View this thread:
Phil Leigh;630462 Wrote:
Nothing in Sampling Theory can substantiate the idea that distortion
rises with frequency. Distortion is constant with frequency within the
bandwidth limits of the bandwidth limited system required by
Information Theory. This is fundamental to digital audio!
I don't
I reckon if most people did that ADM test (PCM ripped from CD compared
to same file played through transport+dac recorded by a very good sound
card) they'd get pretty depressed...
Actually that reminds me, I must put some time aside for more ADM
testing.
This method is brilliant for comparing
tank121;630488 Wrote:
Yes they can be angled down slightly. 5ft better then ? Big difference ?
Before you finally decide, sit and listen while someone holds the
speaker for you so you can try different heights. Can the speaker be
mounted so the tweeter is at the bottom?
--
Phil Leigh
You
TerryS;630490 Wrote:
In my little mind, I am considering distortion to be any difference
between the ideal signal waveform and the one I get in my system.
Harmonic distortion, non-harmonic distortion, or noise. It is all
distortion to me.
Terry, if so perhaps you should reconsider this
Phil Leigh;630491 Wrote:
This method is brilliant for comparing DAC accuracy. I must compare my
M1 Dac against the Touch internal DAC.
Obviously, you need to know how accurate your ADC is first! Darren
--
darrenyeats
Upside down ?
--
tank121
tank121's Profile: http://forums.slimdevices.com/member.php?userid=17169
View this thread: http://forums.slimdevices.com/showthread.php?t=85319
___
tank121;630507 Wrote:
Upside down ?
Yes
--
Phil Leigh
You want to see the signal path BEFORE it gets onto a CD/vinyl...it
ain't what you'd call minimal...
Touch(wired/XP) - Audiolense 3.3/2.0+INGUZ DRC - MF M1 DAC - Linn 5103
- full Aktiv 5.1 system (6x LK140's, ESPEK/TRIKAN/KATAN/SEIZMIK
darrenyeats;630498 Wrote:
Terry, if so perhaps you should reconsider this idea that lower
amplitude signals shouldn't lose fidelity.
If you look at an analogue signal (music, film whatever) as the sounds
or forms being represented get smaller they will degrade in relative
quality -
TerryS;630515 Wrote:
To reproduce the range of classical music in a good concert hall
... takes a concert hall, and a classical orchestra.
Squeezing the acoustics of the whole room through the limitations of
any stereo system, will have a profound, negative effect on the music.
Trying to get
By default the tweeter is at the top, would it make a difference turning
them through 90 ?
--
tank121
tank121's Profile: http://forums.slimdevices.com/member.php?userid=17169
View this thread:
tank121;630526 Wrote:
By default the tweeter is at the top, would it make a difference turning
them through 90 ?
90° most likely results in nothing good. Turning them 180° and the
tweeter upside down may need the change of the polarity of the tweeter.
--
Wombat
Transporter (modded) -
Wombat;630527 Wrote:
Turning them 180° and the tweeter upside down may need the change of the
polarity of the tweeter.
That sounds odd. Why is that?
--
Soulkeeper
-that is not dead which can eternal lie. and with strange aeons even
death may die.-
touch + duet + boom + radio /
Soulkeeper;630529 Wrote:
That sounds odd. Why is that?
Must be some phase thing especialy with 12dB designs. Depending on the
listening/meassuring position you need to switch polarity when moving
the design 180°
I did measure that on several speakers on my own and you will find some
12dB
Doh 180 is what i meant, what advantages would it have ?
--
tank121
tank121's Profile: http://forums.slimdevices.com/member.php?userid=17169
View this thread: http://forums.slimdevices.com/showthread.php?t=85319
@Wombat: AFAIU, those problems come from the distance between the
listener and the tweeter versus the distance between the listener and
the woofer, and if so, can't you just adjust the angle of the speakers
to get the timing/coherence right? Or is there something else at play?
If timing/coherence
JohnSwenson;630318 Wrote:
This theoretically COULD be done with USB DACs, but it could be a little
iffy. Running a USB DAC is FAR more touchy on the Touch, you can get
ticks and pops etc quite easily, using TWO of them is going to make
this WAY more likely to happen.
The best bet would be
Soulkeeper;630535 Wrote:
@Wombat: AFAIU, those problems come from the distance between the
listener and the tweeter versus the distance between the listener and
the woofer, and if so, can't you just adjust the angle of the speakers
to get the timing/coherence right? Or is there something
The speakers being discussed here do not have time-aligned drivers, they
have very simple crossovers. I think you will find they work perfectly
fine upside down with the tweeter at ear height.
My original advice stands - try it and see.
--
Phil Leigh
You want to see the signal path BEFORE it
Soulkeeper;630521 Wrote:
... takes a concert hall, and a classical orchestra.
Squeezing the acoustics of the whole room through the limitations of
any stereo system, will have a profound, negative effect on the music.
Trying to get a perfect representation of that, is like expecting a
TerryS;630515 Wrote:
I don't think it has to be. It seems like more a limitation of our
present state of the art that noise is always present. It is in
albums for sure. Tape to lesser degrees depending on the tape speed
and any processing (dolby, dBx, whatever used). For digital, we
Phil Leigh;630410 Wrote:
Also I don't want anything Apple in the house until such time as their
USP becomes solely a blend of functionality, price and styling, rather
than proprietary BS.
Isn't it amazing that so few people actually see through Apple's very
sharp marketing and the absolutely
Phil Leigh;630553 Wrote:
The speakers being discussed here do not have time-aligned drivers, they
have very simple crossovers. I think you will find they work perfectly
fine upside down with the tweeter at ear height.
My original advice stands - try it and see.
You have to time-align
Soulkeeper;630521 Wrote:
... takes a concert hall, and a classical orchestra.
Squeezing the acoustics of the whole room through the limitations of
any stereo system, will have a profound, negative effect on the music.
Trying to get a perfect representation of that, is like expecting a
Wombat;630560 Wrote:
You have to time-align any speaker design with crossover parts,
otherwise you won´t have a linear frequency response. Dali themself is
marketing their designs with Time coherence is a must in any DALI
speaker but who knows what they mean with that :)
A 12dB crossover
Or, if you feel like doing some hardware DIY, make an opto-mechanical
TOSLINK switch from some optical cables, an RC car servo, some RC car
circuitry for remote control, a light-proof box, and optionally a
mirror. (Caveat lector, I've never tried this myself.)
--
Soulkeeper
-that is not dead
TerryS;630486 Wrote:
Did you read the report that was the basis for the start of this thread?
It used a high resolution ADC to read the output of the power
amplifier and compare that same output when something in the chain was
changed. In their case it was including cable supports or a
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