You have my sympathy. If you hear mice in a wall or an attic, you can bang on the wall or ceiling loudly. Shut your boiler down, shut the quarter turn tap on your gas meter and shut your electricity off, laptops and other portables too, if that doesn't stop it it's external. Even in my very late 30s I'm still cursed with child like high frequency hearing so I feel your pain. Our whole house has a low frequency hum ( for 8 months ). Otherwise there would be significant aliasing going on at the lower sampling rates - for example sampling at 8 kHz would cause problems with anything in the analogue signal from the mic above 4 kHz. Switched mode power supplies (SMPSU) regularly hoot, if they're badly designed, or are failing. I’m worried it may be ultrasonic or something dangerous. Learn how to protect yourself and your property from hail. I don't know, but I'd have thought the sampling rate is a function of the phones hardware/firmware rather than any one app. Eventually it was tracked to a transformer for the doorbell, which was sitting on a beam just inside an access hatch in my daughters room. The maximum frequency displayed being at most half the sampling rate? It can be maddening for those that hear it. I have surround sound througout both floors and stray electrical signals from the control unit were doing it. And don't get me started on the high pitch wine you used to get off badly tuned TVs, to add insult to injury I was seen as awkward as nobody else in the room could ever hear them. Doubt very much it could penetrate into a house, but just a thought. Furthermore, I would like to mention that whereas some devices need to be on for the noise to play, for lack of a better word, some devices simply need to be plugged in - the speaker and the induction stove top, for instance. Hearing noises in the house at night is a pretty good sign that animals are living in the home. What about the telephone? It’s affected my walking, sleep (exhausted) & mood, it’s driving me insane! Please help UKClimbing continue to provide varied and free content by becoming a UKC Supporter, or UKC Supporter Plus which © UKClimbing Limited. What is making the high-pitched chirp I hear at night? Can you poke your head through the loft hatch to see if it's louder? It’s not nearby factory ( they shut everything down just to prove this for us, which was actually amazing when you think of it ). He hears it late at night, after 10 p.m., but the noise is unpredictable. ;-). We have a high pitched buzzing/humming type noise in our house and we cannot tell where it is coming from. Or even just go and stick your ear next to the meter? What you're hearing is a lower frequency harmonic, the spectrum analyser app on your phone is lying to you, or you're a bit of a freak of nature. Either way, this isn’t something you want to ignore. No one else can hear it but me. Please help me. Any advice which may save me an electrician's call-out would be AMAZING. I know what I hear!! No one else claims to hear it!!! A buzzing refrigerator may mean that the compressor is ailing. I've asked my nextdoor neighbours on each side and they don't have anything their side. Started lighter @ first & would stop somewhat. It started about 2 weeks ago and has been there ever since. Valves and gas pipes (we have dozens venting at work) frequently whistle, stopping and starting with subtle changes in conditions. droning and reaching a rapid speed at times. I wouldn't rule it out. Read our checklist on what to do before, during, and after a hail storm hits your area. Sometimes you can hea … read more It might switch off on its own—which is Depending on where you live, this could be coming from active underground tunnel systems. Any advice you can help us with will be great. Well i was stalked and harrassed and had to move. Depending on the severity of the situation, flushing the inside of the tank might be enough to fix the problem, but it could also be time for a new heater. Presumably there is an isolation valve in the feed before the gas meter? Does your house have things that go bump in the night? “And if the noise has just started, you could help prevent a more serious or complicated repair later.”. Do you know whether the app governs the sampling frequency that's used to digitise the output from the analogue onboard mic in the first place, or does it resample the digital output of an A-D converter connected to the mic that's just there doing its thing independently of the software running on the phone? In the video below, a tone slowly rises from a superlow 20-hertz tone to a 1,000-times-higher 20 kilohertz. I can't hear the noise These singers growl , howl and yell about the devil and corpses and other odd subjects. Not only is the sound annoying, it can also lead to energy waste. Sounds like many semis idling in a truck stop lot @ night. > I have a very high pitched constant electrical sounding whine in my house and wondering if any electricians or anyone who's experienced similar might help. Skittering sounds, squeaks, buzzes and other noises coming from your walls and attic may mean there’s something living in your house that isn’t part of your family. Instead, Ailion was shocked to discover some new residents: thousands of bees. When one of Bruce Ailion’s clients told the Atlanta-based realtor that he heard a buzzing noise coming from his walls, Ailion cracked the plaster to take a look. I've thrown the main circuit breaker to the house and the noise remains. Unless your visiting gas engineer shares your uncommon hearing acuity you're unlikely to get much from them. They even said they couldnt hear any vibrating/humming noise in their house when I asked them. Have you tried switching the house power off to see if it stops, and if it does try switching off individual mains circuits to further identify the source? Hi there In the last two days Ive been hearing this high pitched noise coming from one of the walls in my room in my first floor of a Victorian house. Sampling rates are 8000 Hz, 11025 Hz, 16000 Hz, 22050 Hz, 24000 Hz, 32000 Hz, 44100 Hz and 48000 Hz. I have tinnitus (it’s not this), neuropathy from chemo & diabetes since 2006. Our neighbours, family and friends, cannot hear it either. A humming dryer could mean that there’s an object caught in its blower wheel. I downloaded a spectrum analyser app and have found that the noise (~22-24kHz) is worst on the inside wall adjacent to the gas meter outside, however the noise, audibly, permeates the entire house, up and down, front to back, on that side of the house. 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