arnyk wrote:
> Why did you bring up acclimatization to dialect when the discussion was
> about acclimatization to quality of audio reproduction?
Because I see the brains ability to discern speech as a separate
cognitive function from acclimatisation to audio reproduction, so wanted
you to explai
Golden Earring wrote:
> Hi doc!
>
> Not a medic myself, but I believe that some of the latest (=expensive,
> need it buy it yourself... ) hearing aids have a pretty wide frequency
> range if needed purely for amplification purposes. However there are
> lots of different kinds of hearing impairme
arnyk wrote:
> I never said it did. You're the one who brought up the issue of
> acclimatization to dialect. Now you are abusing me and the discussion
> again, by first introducing the irrelevant issue of acclimatization to
> dialect.
>
Being serious for a moment .. I did bring up the dialect a
arnyk wrote:
>
> I'm posting this for the benefit of lurkers. I know you well enough,
> notadrbutaposerMatt.
You were doing so well too, NotADrAtAllArny.
The differences you would expect to find due to bass management go way
beyond what people seem to talk about wrt burn in or warm up.
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arnyk wrote:
>
> I don't know how separate the two (basically medium versus message) are,
> but I know that you can study one quite extensively and hold the other
> constant, and it is all good. They both involve learning.
>
(I didn't criticise the science.)
>
> The fact of the matter is t
Julf wrote:
> Reading that makes me happy - have seen too many "why keep ranting about
> all that double blind stuff, nobody will change their mind anyway"
> comments lately...
Sorry to say I am a scientist, so I do listen and adapt to new
information, even if it's being shouted at me in a patron
Golden Earring wrote:
> If we all forget what we've heard, why do conductors hold rehearsal
> sessions with their orchestras of professional musicians who are quite
> competent enough to play through a complex piece of orchestral music on
> their own without a conductor?
>
> What benefit can the
Golden Earring wrote:
> Hi Doc!
>
> Not being a musician or an artist myself, I'm not really in a position
> to fully understand this.
>
> Can't really grasp how you can remember something you've forgotten.
> Don't musicians listen to themselves playing? If so, what exactly are
> they comparin
Golden Earring wrote:
> Hi Doc!
>
> I believe that Mozart transcribed an entire mass setting from memory
> after exiting the church where the music was performed (& jealously
> guarded) when he was about 12. But he was somewhat remarkable...
>
> My original question related to the rehearsal ses
What signal generator can create a square wave? That's right, a
theoretical one with infinite bandwidth!
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It seems to me that MP3 can deliberately "clean up" a complex signal and
make it sound more defined, just because it throws away some of the
subtlety.
But then, I am sitting in a pub..
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Archimago wrote:
> You're reading this forum from the pub!? I guess it's not exactly a
> "happening place" this Friday evening :-(.
Heh. Not the whole forum, just catching up a couple of subscribed
threads..
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An extreme case, but some pipe organs can hit 130db.
https://en.m.wikipedia.org/wiki/List_of_pipe_organs
This is close up values obviously, attenuation occurs with distance.
I also see some references to wind instruments that can hit 115db.
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Julf wrote:
> Might also simply be because of the easier processing of word lengths
> that are a multiple of 8.
Undoubtedly this. Nicam produced a companded 14 bit digital signal,
iirc, but it was rarely used outside of the UK.
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Golden Earring wrote:
> your hearing would also suffer if you did this regularly as well - a lot
> of bass players get tinnitus from standing too close to their speaker
> stacks (you'd think they'd stand somewhere else, but bass players do
> seem to be a breed apart ;) ).
>
> Dave :)
Hey,
Inde
I actually think it says more about the /capability/ of the human
auditory system than its limitations. It can pick the essence of great
music from anything, more or less; be it pristine ultra-high bitrate
digital, pristine but wow/fluttery/scratchy noisy compressed Vinyl,
crappy Vinyl, wow and fl
NICAM was an interesting technology, but it was only used on the
broadcast side. A VCR recorded analogue audio. Maybe you knew that, I
wasn't clear from your post so just clarifying.
Cheers!
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Yep, NICAM receiver only. Hifi stereo vhs was pretty good, agreed. Very
reliant on tracking stability though.
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arnyk wrote:
> VHS HiFi added a track that was buried under the video track, using a
> different carrier frequency than the video. If memory serves, both the
> video and the audio were recorded with FM. The audio data was recorded
> via FM which with the parameters chosen hardly gave even just
arnyk wrote:
> Wrong and wrong.
Chill, actually I didn't disagree with what you wrote...
Alongside also means "at the same time as or in coexistence with".
>
> So, the audio track was not along side the video track, it was under it
> as I previously suggested.
>
> So the sound quality was no
Golden Earring wrote:
> Morning Doc!
>
> The inclusion of linear stereo on VHS tapes was actually a backward step
> from mono in terms of sound quality because the two tracks (plus a
> separation gap) had to be fitted into the fairly narrow portion of the
> tape not scanned by the spinning heads
Q-tips and isopropyl alcohol
Adjusting head alignment ..
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Are you sure the Brooklyn doesn't still use a 22khz-ish filter even when
upsampling? I don't remember reading about that.
Do you always manually set your sample rate in the Brooklyn? I have one
of its predecessors and leave it to sync to input and I can't say I've
ever really noticed any differen
Golden Earring wrote:
> Having dug through all the stuff about the dimensions of King Solomon's
> Temple in the user manual, I can't find a definite answer to this. For
> PCM playback there are 3 filter *-shapes-* selectable by the user, viz:
> 1. Minimum Phase; 2. Slow Roll-Off; & 3. Fast Roll-O
Golden Earring wrote:
> Would I be right in guessing you have a Mytek Stereo192?
>
> I don't know how the display works on the earlier models, but the
> Brokkly has a summary display (which you can set to extinguish after a
> delay if you wish) which shows the sampling frequency in reasonably
>
I would second the browser comments, and start there rather than
anything drastic like rollbacks or reinstalls. Also more likely a
Windows firewall or anti virus policy change could break it. (This is
very common.)
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Indeed.
Though also make sure the touch has not been configured to use bitrate
limiting in LMS as your music will be compressed to accommodate, and
note that the digital out would only be "bit perfect" if the SBT volume
control is set to 100%.
But assuming you are configuring the SBT to just pa
Yeah, I wouldn't use the SBT as a server myself. Though it does work, if
you have plenty of patience.
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OP is absent. Was this a UDP question?
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I have to say it's a crap marketing tactic to go slagging off a much
loved obsolete music streamer to attempt to plug your portable music
*player*. It's not even got a common function to talk about, it's just,
different.
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Interesting reading. I can vouch for the Chord DACs sounding quite
obviously special but don't have a meridian experience to talk about..
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Mnyb wrote:
> It's seems that mqa can be implemented differently ( which is strange
> given what they say they ate doing ...)
> So it can be intresting to see how diffrent DAC's switch filters and
> varies other settings and implement the noise shaping dither etc ?
Indeed. Presumably "mqa certifi
cliveb wrote:
> If they were in the financial or pharmaceutical industry they'd probably
> be a in jail by now.
I doubt it. 2008 was a long time ago, and nothing going on there yet...
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But as you know companies will always prefer to use a format with a
contract and support rather than one without, where they may find
themselves with a bunch of support case and no expertise or will to fix
it.
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arnyk wrote:
> Given "Dr Matt" (a fraudulent nickname)
Seriously, why do you have a problem with my nickname? Not only is it
completely and utterly irrelevant, it's actually not even untrue.. lol
I'm aware that small high end hifi companies undoubtedly suffer from
enhanced pressure to turn a pr
I doubt it. Markets where there is a defacto generic product tend
towards less variety. Hipster kickstarters aside, most consumers
wouldn't buy anything but the defacto "good enough", and those that do
explore further would only really buy the one with the Apple logo..
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arnyk wrote:
> You have evidence that the FLAC developers refused to sign contracts or
> support their product for a reasonable fee?
>
> I doubt it.
No, but I have plenty of evidence that corporations won't touch open
source with a bargepole.
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This is barely luke warm, not heated. We are calm. Well, I am.. ;)
I realised of course that android, osX, numerous zillions of
infrastructure devices the world over are Linux based and therefore open
source based. And yet, my Linux based smart TV won't play Ogg Vorbis
files. Why is that? They di
Personal insult escalation so quickly? I normally need at least five
messages to raise your blood pressure. You got up early to type this
rant. I think you are the only one confused about my position and my
observations.
Long and short is that I'm not trying to "win" anything, it's really
only yo
Golden Earring wrote:
>
> .
>
> "Every system needs an iLemon" :D
>
> Dave :cool:
>
> P.S. I quite often wear the t-shirt!
Nice one Dave. Sounds like one for an episode of The Apprentice.. :)
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I remember when "X" was the letter you added to words to make them
cool...
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I wouldn't argue anything like that, personally, but I would argue that
I can't be arsed to resample a bunch of files just to save a few MB.
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It is true that I recompress for portable audio, but that's a move from
flac to ogg, not a resample.
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ralphpnj wrote:
> Quick question:
>
> What would you do with 192kHz, 176.4kHz, DSD and 32bit files?
>
> My answer:
>
> I convert/resample 192kHz to 96kHz (flac)
>
> I convert/resample 176.4kHz to 88.2kHz (flac)
>
> I convert DSD files to 24bit/88.2kHz flac files
>
> I convert/resample 32bi
Julf wrote:
> Definitely. They are basically an unnecessarily complicated way of
> storing 24-bit data in a 32-bit container. Floating point makes sense
> for data with a widely varying range, but not for well-constrained audio
> data.
Tbh there are other reasons people want to do this; programmi
Julf wrote:
> My solution is mp3fs that automatically synchronizes a compressed
> version of my uncompressed files.
Heh, I just wrote a script. :) I wound up with three copies on disk
because I then have another ogg set where I've force normalised the
audio data (android doesn't support replaygai
Yes and no, the inherent alignment on word/cache line boundaries can
improve performance regardless of whether the data represents an FP or
INT value. Subsequent processing in FP brings its own problems though, I
agree.
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What are the origins of 2L's mqa files? I remember looking at some of
their sample material before. Not my type of music I have to say, hard
for me to get into it..
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Yep it's probably one of the best sources there is to test with. I have
downloaded your samples and appreciate your concise tagging efforts! Had
visions of them disappearing all over my library and having to browse by
file location..
EDO on the SBT works fine, I don't see "192k" written on my DAC
FWIW I don't doubt you can hear a difference between two DACs in a
scenario like this. You may also actually have a faulty transporter (or
power unit), which would colour the analogue output much more.
You are also talking about two bits of kit designed with different aims,
fifteen or so years ap
More comments when I have more time, but iirc the digital volume control
is only "bit perfect" when volume is reduced by less than 8 bits, or
approx 32db. If you lower it further it truncates even 16 bit sources.
Documentation suggests both the transporter and the mytek achieve >20
bit accuracy,
True enough. Further, noting that the SNR of even a top end 24 or 32 bit
DAC is rarely much greater than about 20 bits (making the high bit count
designation totally pointless), it seems likely that you really only get
about 6-8 bits digital attenuation before you lose something into noise.
Whethe
I was assuming the volume was operated similar to Squeezebox, i.e. by
modifying the input stream to the DAC and using its output as-is. Is
that not what you're referring to here? I believe that's how the
transporter works.
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Ok so if I understand correctly you're quoting the number of bits the 32
bit volume control can reduce by without truncation, and if a DAC chip
quotes a 64 bit volume control this quoted value would double to "20
bits" volume range, but would still represent the exact same amount of
DB volume diff
I've tried all the digital outs on the touch and heard no difference, so
I settled back to the optical because I like the idea of not dealing
with potential power noise.
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There's a few digital amps around not many. V1 Naim Supernait, DAC
v1/NAP100 power amp combo, Cyrus 6, 8 and up come with built in DAC
options, there's a Marantz digital amp, and probably a few others. Oddly
the genre does not seem to have caught on, unless in conjunction with AV
features. Though
What he said. ^^ The ripping part is a pain in the ass but once done
it's done. I have an offboard DAC for my SBT going to a stereo amplifier
for music playback, which also is fed front left/right signals from an
AV amp for TV/film duties. Best of both worlds.
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Correct, never met a dlna playback device that is as satisfying to use
as an LMS end point. Add the colour touchscreen and numerous
android/iPhone apps and it's game over, frankly. Win for the
squeezeboxes.
As for sound quality, I'm extremely happy with my SBT, Mytek DAC and
Supernait amp combo.
Antoniop wrote:
> Then, we're coming back to my point : Should I buy a transporter, that I
> could use as the digital source and the DAC, or use a SBT as a digital
> source with a recent external DAC, such as this one '*Rotel RDD-1580 *'
> (https://www.whathifi.com/rotel/rdd-1580/review)not too p
Just to keep everyone guessing, I would personally recommend
floorstanding speakers for music and there's very little need for a
subwoofer.. I do have B&W in mind however..
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In truth whatever you choose your ears will adapt to it and unless it's
chronically ill suited to your tastes it will be quite enjoyable.
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Speaker drivers are incredibly reactive to input frequency and this is
what drives the varying impedance of most speaker cabinets. Physics
dictates this. It's easy to push a cone that's oscillating at its
resonant frequency and very hard to push it significantly faster than
this.
Not that any of
Hi again.
Yes, the driver plus its cabinet defines the resonance properties of the
transducer and that defines the observed impedance much more than the
crossover electronics does, I believe. If you have scope to test it,
replace the speaker drivers with an 8 ohm resistor and look at the
flatness
No, I do think that a well done room correction would always be a good
thing. Like human perception of white balance (or rather colour
constancy) though you always know what colour things are in a scene the
overall white balance is perceived as a mood rather than a colour shift.
Fix the white bala
If I could be bothered I'd try it out.. happy with what I have though.
Like calibrating a TV, I can't see it ever being a bad thing though.
Just wish it was easier to get right on a hifi context. Doddle in an AV
context of course.
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Mytek offer a no quibble 30 day money back deal if you buy direct on
their website... ;)
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Have you tried the Chord Hugo/TT and friends? Not mqa certified I think,
but quite different sounding from others, IME.
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I didn't say "better" did I? I just said different.
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Archimago wrote:
>
> As for this:
> -"Anyhow, I'm not sure demo gear comes to anyone for free for real."- --
> drmatt
>
> No. Nothing is really for free. The price is that of a review of sorts
> and at least an endorsement, right?
>
> As for Chord, I
So, someone needs to add a checksum field to flac headers and then you
have "authenticated" audio of a higher standard in a smaller package..
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Julf wrote:
> The FLAC header already includes a MD5 checksum...Our work here is done...
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al
Can't read the text in your attachment, it seems to be 102 bytes in
size!
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It's normal, nothing ever truly turns off, they just disable certain
circuits. Eg. the transporter is connected to LMS, it will stay alive to
keep that connection alive and so it can receive commands.
So although I don't have a transporter I know that for example the
digital out from an SBT never
Just have an old LP next to the deck, get it out the sleeve and drop the
needle on it. While having the deck wired to start playing the flac
files on your squeezebox in the background...
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Do audiophiles buy subs then? I thought the hard core audiophile
wouldn't trust third party amplification for any part of their playback
frequency range
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Mus
Music has very little below 35-40hz anyway, and although it's certainly
true that there is stuff missing (in some recordings) without a full
frequency response it is very much unnecessary for conveying the
enjoyment and energy of most types of music.
Truth is a lot of people prefer vinyl because
To be fair I have a pair of fairly beefy three-way floorstanding b&w
804s being driven by a Naim amplifier, so they are pretty well extended
anyway and I don't feel the need for a sub even for movies (the room is
not very big either).
Clearly deep bass is pretty important for my enjoyment of mus
I don't think it's an indictment of human hearing that people like LP so
much. More a reflection of the fact that the net result of all the
inevitable distortions seems to flatter the audio in the first place,
making it better fit the home audio playback environment at lower
listening levels and m
ralphpnj wrote:
> loudness wars.. A terrible thing to do to any music.
Those recordings are for listening to in the car. Hopefully whilst
driving as fast as possible. Never, ever, play them on the big system in
the house. It'll just hurt.
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Actually apart from the modern DSP-equipped digital amps with subwoofer
outs I think you'll likely find that almost all "sub outs" on analogue
two channel gear are essentially rebadged pre-outs with no frequency
filtering applied.
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Sorry, to be clear my comment was addressing the first part of your
previous post where you pondered if two channel amps with "sub out"
ports would actually bother with frequency filtering - and I think they
don't.
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Like most hi-end hifi companies they just buy the software platform in
and do a bit of case/logo engineering for these types of products. As
these are low volume products (and always will be, they simply can't
make a lot of them) they need to make high margins. The buyers know
this, and they unde
I think it's just another way of presenting music. If you compare to the
visual arts for a long time there was a striving to "reproduce" and not
interpret, but it changed. Techniques came in on how to interpret images
to make them the most impactful they can be. I think the advances of
production
Don't believe it will impact the i2s clock either way. Just use an
asynchronous usb DAC and you can ignore the performance of the source
completely.
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