Room noise?

Discussion in 'cakewalk.audio' started by alabaster, Feb 7, 2004.

  1. alabaster Guest

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    Just wondering what's an "acceptable" amount of noise in a room for
    recording... As in, when you record the sound of the empty room, how many
    decibals is a realistic goal?

    I just got a quiet power supply and processor cooler, which has
    significantly quieted my room, but my computer is still not *noiseless," so
    I still pick up some sound. know there's not such thing as perfect silence,
    but I'm just curious as to how quiet I should be striving for.

    As it stands, I have to gate everything below -45db if I dont' want noise
    creeping in... I've never had formal training in recording, so I don't know
    if this is a good level or not...

    Thanks,
    chris.
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  2. Steven Myers Guest

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    > know there's not such thing as perfect
    > silence, but I'm just curious as to how quiet I should be striving for.


    When you're doing a mix, and it's sounding so cool, do you still find
    yourself thinking, "Damn that fan noise! If not for that..." or "Damn that 60
    Hz hum! If not for that..."?

    I have a friend who gates _everything_. He's a great musician and very well-
    versed in electronics. And he's meticulous. I have never heard the slightest
    bit of noise in his recordings. To his credit, I have never been able to hear
    the gate working, either. I suspect that he doesn't need the gate, though.


    You seem to be doing the best you can with what you have. But you seem to
    want a number. Because you do, the only acceptable Quiet Number is zero.
    Sorry 'bout that.
  3. ModBod Guest

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    On 7-Feb-2004, "alabaster" <> grabbed their box of
    multicolored crayolas and wrote:

    > Just wondering what's an "acceptable" amount of noise in a room for
    > recording... As in, when you record the sound of the empty room, how many
    > decibals is a realistic goal?


    Are we talking a home studio? Or a pro-studio?

    It really depends on the music you're recording. If you're doing a classical
    quartet it should be very quiet. If you're recording a "Start" through and old
    Bassman rig then the hum off the amp will drown out everything else. ;)

    This is not scientific but I just pulled out made Rat Shack db meter and my
    Drum/Iso booth is less than 50 db which is a low as the meter will go. I opened
    up a mic in the room AT4033 with the channel strip on my Mackie set at nominal
    and I recorded a noise floor at -66 and -62 (according to Sound Forge) when the
    A/C was running.

    My control room environment hovers at 50 db. A little sniff of the nose
    generated a 52 db reading.

    I honestly don't know if these levels are anywhere close to being decent but I
    tried very hard to build my home studio right. But it eventually boils down to
    practicality. I floated the floor in the booth but the control room is on the
    slab with the house. When I have both doors closed to the studio my band can
    practice at mid 90s to 100 db levels without disturbing the rest of the family.

    --
    Mod Bod

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  4. jddj Guest

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    "ModBod" <> so articulated
    news:vBfVb.47223$:

    > My control room environment hovers at 50 db. A little sniff of the

    nose
    > generated a 52 db reading.
    >


    I agree. I think -45 is a little noisy. The thing about -45 is that
    it's just loud enough to be heard on one track, but once you start adding
    in several tracks, the room noise may become evident in the mix itself,
    even though you have a gate set for silent parts of each track.

    I mean, -45 is JUST noisy enough, in my opinion. I'd aim for -50, so
    you're curretnly not too far off, at least for my own desires for noise
    suppression.

    I think...

    Dave
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  5. ModBod Guest

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    On 7-Feb-2004, jddj <> grabbed their box of
    multicolored crayolas and wrote:

    > I agree. I think -45 is a little noisy. The thing about -45 is that
    > it's just loud enough to be heard on one track, but once you start adding
    > in several tracks, the room noise may become evident in the mix itself,
    > even though you have a gate set for silent parts of each track.
    >
    > I mean, -45 is JUST noisy enough, in my opinion. I'd aim for -50, so
    > you're curretnly not too far off, at least for my own desires for noise
    > suppression.
    >
    > I think...


    The 50 db is the lowest that the decibel meter will record and that was with a
    noisy PC running. The majority of my stuff is direct so the noise is more of a
    nuisance than anything. Fact is, it is a home and there's only so much you can
    do with it. I probably get more noise off my board than I get from the noise
    floor.

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    Mod Bod

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  6. jddj Guest

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    "ModBod" <> wrote in
    news:fshVb.86895$:

    > I probably get more noise off my board than I get from the noise
    > floor.


    I probably don't know what I'm talking about...

    Dave
  7. Pat Farrell Guest

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    On Sat, 07 Feb 2004 23:16:18 GMT, "alabaster"
    <> wrote:
    >Just wondering what's an "acceptable" amount of noise in a room for
    >recording... As in, when you record the sound of the empty room, how many
    >decibals is a realistic goal?


    Decibels are relative.
    There are many, many different decibel scales.
    (Named as a tenth of a Bell, as in Alexander Graham Bell).
    It is technically incorrect to talk about decibels without
    talking about what they are relative to.

    Your -45 dB on your DAW is really 45dB down from 0 dB Full Scale,
    which is simply the biggest number you can fit into a word of your
    DAW. Be it 16 or 24 bits.

    On the usual cheap Radio Shack meter, using the dbA or dbB
    scales, you are not likely to read lower than 50dB in a quiet home,
    even if the meter went lower.

    Professional studios aim for 30 to 35 dB on those scale.
    It takes serious money to get that quiet. Money that makes
    zero sense in a project studio world. Not at least until
    you had got serious bass traps, high frequency flutter controls,
    seriously good monitors, etc. Which means it never makes
    sense in an amateur studio, unless you are a working
    pro, and you have a project studio to record Bob Dylan when
    he drops by.


    Pat http://www.pfarrell.com/prc/
  8. BlackHawk Guest

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    Chris.... we had the same problem. The answer is to put the computers in a
    different room.... you only need extensions for the Mouse/Keyboard, and the
    Video for the Monitor.

    Been working fine for us for a long time, and we shut the windows and turn
    off the fridge when tracking.

    Bob

    "alabaster" <> wrote in message
    news:6leVb.25936$...
    > Just wondering what's an "acceptable" amount of noise in a room for
    > recording... As in, when you record the sound of the empty room, how many
    > decibals is a realistic goal?
    >
    > I just got a quiet power supply and processor cooler, which has
    > significantly quieted my room, but my computer is still not *noiseless,"

    so
    > I still pick up some sound. know there's not such thing as perfect

    silence,
    > but I'm just curious as to how quiet I should be striving for.
    >
    > As it stands, I have to gate everything below -45db if I dont' want noise
    > creeping in... I've never had formal training in recording, so I don't

    know
    > if this is a good level or not...
    >
    > Thanks,
    > chris.
    >
    >
    >
  9. Pat Farrell Guest

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    On Sun, 08 Feb 2004 05:09:59 GMT, "BlackHawk" <>
    wrote:
    >Chris.... we had the same problem. The answer is to put the computers in a
    >different room.... you only need extensions for the Mouse/Keyboard, and the
    >Video for the Monitor.


    If that is what Chris is really asking, then this is the best answer.

    See
    http://www.pfarrell.com/prc/cafaq.html#quietpc

    Pat http://www.pfarrell.com/prc/
  10. Anthony Guest

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    Correct me if I'm wrong here, but isn't ZEROdb impossible with any mic? A
    mic has it's own level of self noise if I'm not mistaken. I've got a Neumann
    TLM103, and the biggest bragging thing about it(according to the ads), is
    it's SUPER LOW self noise of only 7db. "The quietest on the market today".
    I've never actually tried to measure it, so I could be completely wrong. I
    was just wondering. I have no basis for my opinion other than what the ads
    say.
    "Steven Myers" <> wrote in message
    news:Xns9488C73B3CF16tididitearthlinknet@207.69.154.204...
    > > know there's not such thing as perfect
    > > silence, but I'm just curious as to how quiet I should be striving for.

    >
    > When you're doing a mix, and it's sounding so cool, do you still find
    > yourself thinking, "Damn that fan noise! If not for that..." or "Damn that

    60
    > Hz hum! If not for that..."?
    >
    > I have a friend who gates _everything_. He's a great musician and very

    well-
    > versed in electronics. And he's meticulous. I have never heard the

    slightest
    > bit of noise in his recordings. To his credit, I have never been able to

    hear
    > the gate working, either. I suspect that he doesn't need the gate, though.
    >
    >
    > You seem to be doing the best you can with what you have. But you seem to
    > want a number. Because you do, the only acceptable Quiet Number is zero.
    > Sorry 'bout that.
    >
  11. Steven Myers Guest

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    Yes, zero is impossible. But you wanted THE number.

    Are your present noise levels giving you real problems?


    Anthony wrote:

    > Correct me if I'm wrong here, but isn't ZEROdb impossible with any mic?


    >> You seem to be doing the best you can with what you have. But you seem
    >> to want a number. Because you do, the only acceptable Quiet Number is
    >> zero. Sorry 'bout that.
  12. polymod Guest

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    "Steven Myers" <> wrote in message
    news:Xns9488C73B3CF16tididitearthlinknet@207.69.154.204...
    > > know there's not such thing as perfect
    > > silence, but I'm just curious as to how quiet I should be striving for.

    >
    > When you're doing a mix, and it's sounding so cool, do you still find
    > yourself thinking, "Damn that fan noise! If not for that..." or "Damn that

    60
    > Hz hum! If not for that..."?


    I put out a CD a few years back that made me enough money to rebuild the
    studio to what it is today. On one particular song, if you isolate one vocal
    track, you can faintly hear "Borderline" by Madonna playing in the
    background(which was playing in an adjacent room at the time, but I didn't
    give a sh*t). That noise made no difference in the sales of the
    CD....actually, maybe it helped<g>
    IMHO, if you are doing acoustic material, put the puter in another room. I
    did. And it made a big difference. If you'r doing head banging matterial, it
    won't matter unless you have a lot of vocal/acoustic tracks. Then the noise
    would certainly add up.

    Poly
  13. Steven Myers Guest

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    >> > know there's not such thing as perfect
    >> > silence, but I'm just curious as to how quiet I should be striving
    >> > for.

    >>
    >> When you're doing a mix, and it's sounding so cool, do you still find
    >> yourself thinking, "Damn that fan noise! If not for that..." or "Damn
    >> that

    > 60
    >> Hz hum! If not for that..."?


    > IMHO, if you are doing acoustic material, put the puter in another room.
    > I did. And it made a big difference. If you'r doing head banging
    > matterial, it won't matter unless you have a lot of vocal/acoustic
    > tracks. Then the noise would certainly add up.


    You made my point better than I did. Are we tackling a real problem here, or
    are we just chasing numbers?
  14. Max Arwood Guest

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    >Which means it never makes sense in an amateur studio, unless you are a
    working
    >pro, and you have a project studio to record Bob Dylan when he drops by.



    Will room noise actually degrade the voice of Bob Dylan? or will it enhance
    his recording experience?
    Max Arwood
  15. ModBod Guest

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    On 8-Feb-2004, "Max Arwood" <> grabbed their box of
    multicolored crayolas and wrote:

    > >Which means it never makes sense in an amateur studio, unless you are a

    > working
    > >pro, and you have a project studio to record Bob Dylan when he drops by.

    >
    >
    > Will room noise actually degrade the voice of Bob Dylan? or will it enhance
    > his recording experience?


    Funny, I've often wondered if I would recognize and capture the unique
    character of his style or try to correct what I thought was a weakness and make
    him something totally ordinary.

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  16. Ricky W. Hunt Guest

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    "polymod" <> wrote in message
    news:mDtVb.36037$...
    >
    > On one particular song, if you isolate one vocal
    > track, you can faintly hear "Borderline" by Madonna playing in the
    > background(which was playing in an adjacent room at the time, but I didn't
    > give a sh*t). That noise made no difference in the sales of the
    > CD....actually, maybe it helped<g>


    I'm calling the RIAA! ;)
  17. Ricky W. Hunt Guest

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    "Steven Myers" <> wrote in message
    news:Xns94897E9898628tididitearthlinknet@207.69.154.201...
    >
    > You made my point better than I did. Are we tackling a real problem here,

    or
    > are we just chasing numbers?
    >


    Right. I spent many a wasted hour in that area (much more than I'm willing
    to admit). Switching from reel-to-reel to computer was my biggest time
    waster (all the endless tweaking I mean). I had to make sure I had that last
    ounce of usage, even though I really wasn't recording all that much because
    I was always tweaking the darn computer! And whatever power I did gain was
    outweighed by my chops getting so rusty from lack of use.
  18. Ricky W. Hunt Guest

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    "ModBod" <> wrote in message
    news:hMxVb.80857$...
    >
    > Funny, I've often wondered if I would recognize and capture the unique
    > character of his style or try to correct what I thought was a weakness and

    make
    > him something totally ordinary.
    >


    Hopefully, you'd do the former. But the status quo (at least in commercial
    music) seems to be the latter.
  19. Nick Busigin Guest

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    On Sun, 08 Feb 2004 00:09:59 -0500, BlackHawk wrote:

    > Chris.... we had the same problem. The answer is to put the computers in
    > a different room.... you only need extensions for the Mouse/Keyboard,
    > and the Video for the Monitor.
    >
    > Been working fine for us for a long time, and we shut the windows and
    > turn off the fridge when tracking.
    >
    > Bob


    Hi Bob,

    We bought a KVM extender too and found it makes a huge difference... and
    we shut the fridge, freezer and close the windows when we record too.
    That can make for some pretty hot recording sessions in the summer time
    but it does work well. Recording at night when everyone's asleep and
    there are no lawn mowers (or snow blowers in the winter time) helps too.
    Some day we'll build a proper studio with all the isolation we need - I
    long for the day!

    Nick

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