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Post by ChrisB on Jul 28, 2015 10:03:01 GMT
What is the biggest source of ambient noise that can be heard in the room where you listen to your hifi? Have you ever measured it?
I haven't really thought too much about this before but from our garden, I can hear the M6 (though up here well north of Preston it is certainly much quieter than elsewhere). We have the west coast mainline running the the other side of the village too. I suspect that the fridge is louder than all of that though.
I feel some experiments coming on.
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Post by AlanS on Jul 28, 2015 11:01:24 GMT
I brought my cheap and cheerful iPhone app out and the noises are
my typing on the key board
my breathing
next door scrapping his wall for decoration
nothing on the nearby railway line has passed
no heavy vehicle has passed on the nearby A road.
average level 33db max ~60dB
What you will measure will not be what you expect/want to see.
I used to do this for a living
but have some fun
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Post by Chris on Jul 28, 2015 14:36:39 GMT
Nice n quiet in our street. A car going by is probably the loudest or if the washing machines on.
Titus farting can be a bit noisy however.
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Post by dvh on Jul 28, 2015 14:44:58 GMT
Nice n quiet in our street. A car going by is probably the loudest or if the washing machines on. Same here, except the washing machine's too far away to be audible. Some days you could hear a pin drop. I couldn't, because my hearing's not what it was. We stayed at a friend's flat in London at the weekend. Now that was noisy; church bells drowned out by aircraft, in turn drowned out by buses stopping and starting. |
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Post by Deleted on Jul 28, 2015 16:00:34 GMT
Nothing at all as far as I'm aware, unless it gets windy. I live in a cul de sac so it tends to be very quiet. I don't think ambient noise would bother me though, as I never seem to pick up on it when there is background noise somewhere. My wife tunes into everything and I'm so glad it's not me.
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Post by AlanS on Jul 31, 2015 6:57:10 GMT
Bum pea bump
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Post by ChrisB on Jul 31, 2015 7:04:08 GMT
I've got myself a bit of software and intend to have a play with it at the weekend.
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Post by MikeMusic on Jul 31, 2015 11:54:34 GMT
Something is going on around our place
Sounds monstrous, very deep bass and some beeping that sounds like a large bit of kit backing up. Went off around 9pm
I often hear a very low rumble of something I assume is a couple of stone's throws away
Not the same as the M3 noise we get with the wind towards us
Some wandering around at the weekend called for
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Post by dvh on Jul 31, 2015 17:30:08 GMT
Something is going on around our place Sounds monstrous, very deep bass and some beeping that sounds like a large bit of kit backing up. Went off around 9pm It's the mothership coming to take you off to the Planet Zog. |
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Post by John on Jul 31, 2015 18:04:55 GMT
Pretty close to a Industrial estate can hear that Also the local pub often have some pretty awful cover bands that I can hear play
The worst was being in Rio all night parties for 48 hours during the day some of the worst music I ever heard in my life. A kind of torture
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Post by MartinT on Aug 1, 2015 9:15:48 GMT
On a very quiet evening my ambient noise is very low. The just-audible noise of the central heating pump, even quieter hum of the fridge. If a train goes past I can hear its distant rumble. A car in the Close outside is very obvious. Nothing from the system itself - no hum, no hiss.
I will bring out the SPL meter tonight, see if I can measure the noise floor.
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Post by MikeMusic on Aug 1, 2015 11:21:06 GMT
Something is going on around our place Sounds monstrous, very deep bass and some beeping that sounds like a large bit of kit backing up. Went off around 9pm It's the mothership coming to take you off to the Planet Zog. I'm back ! Long journey, not good views from the cargo hold. Nice cup of tea when we got there. Didn't go much on the anal probing They don't have Isobariks ! |
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Post by ChrisB on Aug 2, 2015 11:53:12 GMT
Well, right now early on a Sunday afternoon, the average noise level in the room is about 29dB and the loudest noise is the dog, who is asleep!
The occasional car going past pushes it up to almost 50dB, but most of them don't go above 40dB. A good sneeze, though, manages to hit 70!
I guess this means our ambient noise levels are pretty low.
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Post by MartinT on Aug 2, 2015 12:28:50 GMT
Disappointingly, my SPL meter only reads down to 50dB c-weighted. Since it reads 'Lo' even during the daytime, my ambient noise level is very low and gets lower at night-time, such that I can hear the faint hum if I plug my shaver in to charge upstairs.
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Post by MikeMusic on Aug 2, 2015 16:32:53 GMT
Our monstrous noise was probably work on a very large hard standing around half a mile away.
Found on the Sunday walk with the dogs.
This is a big field that was wild and flattened for grazing we were told.
The hard standing might be for stables I guess
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Post by ChrisB on Aug 4, 2015 7:01:55 GMT
Well, right now early on a Sunday afternoon, the average noise level in the room is about 29dB and the loudest noise is the dog, who is asleep!
The occasional car going past pushes it up to almost 50dB, but most of them don't go above 40dB. A good sneeze, though, manages to hit 70!
I guess this means our ambient noise levels are pretty low. The next question, then, is what should I do with this information?(!) |
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Post by MartinT on Aug 4, 2015 7:15:35 GMT
For me, as long as ambient noise is so low as to be beneath the noise floor of the music, I'm happy. I need my system to be dead quiet, which it is. The one thing that I cannot abide is hum - no system should hum and it should be traceable to either bad earthing or a bad component. If I had a component which hummed, it would be gone in a blink.
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Post by MikeMusic on Aug 4, 2015 7:33:47 GMT
I retired our old Novell server yesterday.
So far as I knew it was close to silent, sitting around 10 feet away from me
Not so. I could hear the noise it didn't make afterwards. Quite surprising
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Post by Stratmangler on Aug 4, 2015 17:22:57 GMT
I retired our old Novell server yesterday. So far as I knew it was close to silent, sitting around 10 feet away from me Not so. I could hear the noise it didn't make afterwards. Quite surprising Interesting concept, listening to stuff that you can't hear  I remember a part of Max Boyce' routine where he described a stolen bicycle. "And there it was, gone!" was the way he described it ..... |
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Post by MikeMusic on Aug 5, 2015 7:11:36 GMT
There was a a hole where the noise I had never heard had gone !  Just remembered.... when we rarely had power cuts at work it was just *so* quiet. A lot of that would be the low level items not noticed |
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