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RE EMF.
awhile back a bb user mentioned susceptibilty re emf.
this got me so interested i did lots of research due to my tech background.
heres what some might find interesting.
1. i got an emf meter (about 50 bucks).
2. with meter i measured radiation from lots of device in the house.
its a real eyeopener useing the meter.
3. even turned off and un plugged i was surprised to discover some devices
'still' have issues tho' minor.
i cant list all devices that emit radiation soo please see the net...
otherwise this is gonna get really long.
also i cant list devices that are susceptible to being impacted by radiation.
(see the net again for lots of info.)
in conclusion as i do sooo much work on a pc doing songs...
i got a special T shirt that seems to reject radiation....not cheap.
(i did a test putting the meter under the T shirt which indicated the tee worked.).
also now i'm looking at putting on the monitor screen a transparent cover
that cuts down on radiation.
in addition ive moved the pc several feet from me.
in summary its been a real eye opener doing lots of testing around the house
and my project studio. apparently also aluminium foil can be used to block radiation
per the net...but not had time to test.
please do your own research (and ymmv and covering my rear end...lol.)
and decide for yourself whether you need certain emf blocking products.
lots of info on the net about products.
hope my experience helps someone....i was amazed that this still seems to be an issue. my wife has even changed the case for her new celphone.
some might say i'm paranoid...so be it...but just do your own research.
happiness.
om
my songs....mixed for good earbuds...(fyi..my vocs on all songs..) https://soundcloud.com/alfsongs(90 songs created useing bb/rb) (lots of tips of mine in pg tips forum.)
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... apparently also aluminium foil can be used to block radiation
per the net...but not had time to test. Aluminium/aluminum foil is on of the standard materials for investigating how to reduce EMI/EMF to and from equipment. It's effective provided it has suitable contacts to ground/chassis and does not have gaps/leaks that are a significant part of a radio wavelength long and it does not form a "patch antenna" by having a significant area sticking out into free air. The other favourite material, very often in combination with the foil, is self-adhesive copper foil. Copper foil tape People can get a bit paranoid about EMI/EMF. Most of us aren't normally affected by it, though a few are sensitive, often through metalic tooth fillings or caps. People get alarmed by mobile 'phone masts, but they're high up and very directional so the radiation is small. But when they're close, your 'phone turns down its transmit power. If the mast is a long way away, the 'phone has to turn its power up. Your 'phone is very close to you.
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
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Actually, when you look through the list the main concerning devices have very strong fields, mostly magnetic (MRI, arc welders, induction furnaces, ). I was surprised that induction hobs weren't mentioned, as I thjink(!) those are a risk for pacemakers. Interesting that CB radios are listed as "no known risk". They'ra radio rather than inductive, though, and I'm pretty sure pacemekers are well shielded.
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
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Gordon.
i reckon someone would get wealthy if they could make a pacemaker
that was immune to any emf whatever.
happiness
om
my songs....mixed for good earbuds...(fyi..my vocs on all songs..) https://soundcloud.com/alfsongs(90 songs created useing bb/rb) (lots of tips of mine in pg tips forum.)
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biab2025(Mac) Latest Build
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Gordon.
i reckon someone would get wealthy if they could make a pacemaker
that was immune to any emf whatever.
happiness
om Wrap it totally in silver for electric, iron for magnetic then lead ... it'll be fine. Well, apart from alpha particles, neutrinos and the like, but hey... Realistically they're very well protected against EMI, but there are exceptional signals that are beyond sensible protection for anything that one would n
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.
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Gordon.
gonna pass on those neutrinos...lol.
been a loooong time since i was involved in particle physics.
forgotten too much.
fyi once in a previous life i was offered a science scholarship includeing
a generous stipend/food/lodging at an esteemed american uni.
however i stayed in uk for family reasons.
i actually thought for fun i would scour the net for info on
components in a pacemaker. looks like an op amp detection circuit
(sorta like a mic preamp schematic ?) and a pulse generator ?
actually i believe the pacemaker was invented by a canadian ??
anyhoo ive now lowered the emf in my studio.
fyi as you have an interest in mini pc's... i'm currently testing a under 150 buck fanless tiny pc
for s's n giggles to see what it will do for general computing tasks.
so far its great for the net...but of course no match for my production ry 7 music pc.
for example realband reports it will do only 74 tracks versus my ry at over 200 tracks.
(i always halve such track counts for leeway reasons.)
interestingly latency mon gives it the green light. but it would bog down obviously
under high track and plugin counts....but it does boot into win fast like my ry 7.
happiness.
om
Last edited by justanoldmuso; 07/23/24 03:07 PM.
my songs....mixed for good earbuds...(fyi..my vocs on all songs..) https://soundcloud.com/alfsongs(90 songs created useing bb/rb) (lots of tips of mine in pg tips forum.)
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...
anyhoo ive now lowered the emf in my studio.
fyi as you have an interest in mini pc's... i'm currently testing a under 150 buck fanless tiny pc
for s's n giggles to see what it will do for general computing tasks. Few reasons to not lower it except, perhaps, cost; but some changes are cheap .. that ally foil and copper tape. I've worked with the LattePanda V1 (~$115) which is surprisingly capable. A client had used Win3.11-embedded for years, and very effectively, but clients started complaining about "old fashioned", so they switched from PC104s to the LattePanda V2 and Win10. It used more power, of course, so needed bigger batteries and power support stuff and didn't run so long on a charge. I tend to use fanless industrial ITXs for fileservers and the like, as they're generally built for long life and run cool, though I used fanned PCs as workstations. I have a couple of Raspberry Pis in these cases: https://thepihut.com/products/aluminium-armour-heatsink-case-for-raspberry-pi-4
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.
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Gordon.
yep i'm getting cranked up re sbc's as they are now getting
more powerfull at a cheap price.
its gonna get interesting once the processors get even
more powerfull....and if price is kept down.
have you ever run reaps v2 on the pi ?
i prefer reaps v2 as it not only does all i want but also is very
lean compared to later versions.
the problem being early adopters like myself that got in at v0.99
who made lots of feature suggestions have often been replaced
by the big boy studios thus wanting their fancy shmancy
big boy features...so of course exe size goes up.
ive done a slew of tunes over the years useing reaps v2
complemented by realband and bb. ie useing the plusses of
each app. ie its not x versus y...this daw versus that daw
but a synergy.
frankly i'm useing reaps less these days as more editing
and other features are added to rb//bb.
i'm really cranked over the potential with bb new tracks
view as well as all the clever additions to rb.
i'm really loving 2024 rb/bb these days.
if pg add more smart editing features to bb tracks view
plus a couple added features to rb i reckon they could slay the market
in music apps.
lol...i'm getting cranked over the sbc's like pi/latte etc
and look forward to day i can run bb/rb once the single thread
performance is upped around 3000 like the ryzens and the price is
cheap. this current fanless cheapo pc i'm testing out is fast enough
for normal net/office tasks...but has poor single thread
performance for music production....
btw any recommends for something transparent to put over a pc
monitor to block emissions/blue etc ??. obviously one cant use
alum foil...lol.
happiness.
ps love that pi case.
om
my songs....mixed for good earbuds...(fyi..my vocs on all songs..) https://soundcloud.com/alfsongs(90 songs created useing bb/rb) (lots of tips of mine in pg tips forum.)
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have you ever run reaps v2 on the pi ? No I haven't. I'm not sure whether V2 would run or behave under Wine on a Pi. V2 is prior to the Linux native versions. ARM processors may be later still. I've run Pianoteq on a Pi4. It was quite good, but did need a little backing off to keep up. Reaper would need to be similarly constrained. btw any recommends for something transparent to put over a pc
monitor to block emissions/blue etc ??. obviously one cant use
alum foil...lol. A fine wire mesh may work, though it's far from ideal. You might try some of that window solar-screening material. When I was doing mobile comms, that screening was both a menace and a blessing. At least some types would block radio, which was a problem for the mobiles handing over to a new base-station when people went through largely-glass doors with the stuff on them. There may be other stuff out there ... a web search would be your friend on that, of course. G.
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.
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... apparently also aluminium foil can be used to block radiation
per the net...but not had time to test. Aluminium/aluminum foil is on of the standard materials for investigating how to reduce EMI/EMF to and from equipment. It's effective provided it has suitable contacts to ground/chassis and does not have gaps/leaks that are a significant part of a radio wavelength long and it does not form a "patch antenna" by having a significant area sticking out into free air. Back in college I built some microphone preamps. Used a plastic enclosure because they were cheap. They were a little noisy, so for fun I tried shielding one with aluminum HVAC tape - surprisingly it worked VERY well, and I measured something like a 10-15db reduction in noise. I've since done the same with a bass guitar I picked up recently, lined the control cavity with the same HVAC tape, and it helped a lot.
I work here
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I tried shielding one with aluminum HVAC tape - surprisingly it worked VERY well, and I measured something like a 10-15db reduction in noise. I've since done the same with a bass guitar I picked up recently, lined the control cavity with the same HVAC tape, and it helped a lot. It would work pretty well. Generally I use aluminium/aluminum foil for temporary stuff as it oxidises and the oxide is an insulator, but provided the joints are well overlapped, there's a degree of capacitance between the layers that helps keep the EMI fairly low. Screening cans in radios and the like are usually tin-plated brass, which can be soldered together or can have spring-finger contacts to keep good conductivity. The copper foil works well, but becomes quite costly, though I've often used it to seal 'leaky' joints between metal case parts. PC cases aren't always as EMI-tight as one might like. Meshes and punched holes are OK provided the size of the openings is small compared to the wavelength. If they're a significant part of a wavelength they can actually become slot antennae and potentially make things worse.
Jazz relative beginner, starting at a much older age than was helpful.
AVL:MXE Linux; Windows 11
BIAB2025 Audiophile, a bunch of other software.
Kawai MP6, Ui24R, Focusrite Saffire Pro40 and Scarletts
.
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good info folks.
ive found 'blue blockers' for my monitors ... but i'm wondering if they block the various
types of radiation. on amazon i can only find scant info.
fyi the tester i'm useing is a RDINSCOS off amazon for 50 buckaroos.
it seems to do the job well.
lol...i was wondering if ... for the pc monitors i could use tint film one would use on car
windows...lol.
happiness.
om
my songs....mixed for good earbuds...(fyi..my vocs on all songs..) https://soundcloud.com/alfsongs(90 songs created useing bb/rb) (lots of tips of mine in pg tips forum.)
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