Questions tagged [noise]

Noise means a unwanted level of random interference added to a signal.

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120 votes
6 answers
235k views

Why do some AC adapters and power supplies generate a whining noise, and what can I do about it?

I have many different AC adapters and power supplies for a variety of devices, ranging from small 5V/1A USB chargers to laptop power adapters and desktop PSUs. However, I often hear a whining noise ...
rishat's user avatar
  • 1,347
87 votes
8 answers
104k views

Reduce background noise and optimize the speech from an audio clip using ffmpeg

I extract audio clips from a video file for speech recognition. These videos come from mobile/other handmade devices and hence contain a lot of noise. I want to reduce the background noise of the ...
Sudh's user avatar
  • 983
35 votes
7 answers
116k views

How can I force an internal hard drive to power on or off when I want?

Obviously there are power management settings which Windows uses to determine when to power a hard drive off, and when to power it back on again. Powered down I assume doesn't mean absolute zero power,...
user avatar
27 votes
3 answers
51k views

Processor noise. What generates it?

I am probably not alone in noticing that any processor makes a high pitch buzzing sound while working, and this sound is more noticeable and varied in pitch when computations are performed. I also ...
Stefano Borini's user avatar
25 votes
7 answers
113k views

How do I manually "shut down" an hard drive without plugging it out?

I am connecting 1-2 hard drives via E-SATA. Using Windows, is there an option to force "shutting down" that hard drive (until it is needed again)?
kluka's user avatar
  • 2,214
23 votes
11 answers
1k views

How to build a quiet computer from scratch?

I like to build my own computers, but because I go for high spec parts they always end up being quite noisy. I am always jealous of computers I use at work as they always seem very very quiet. ...
Jon's user avatar
  • 784
18 votes
9 answers
44k views

Static noise from speakers when computer is off

I have a rather old set of Creative speakers called Inspire 2.1 2400. The original cable that connects them to the computer was of poor quality, and at some point I had to replace it. The original ...
daphshez's user avatar
  • 733
14 votes
15 answers
1k views

How to create a silent work environment?

I would like to set up a new work room for me. And I want it to be as quiet as possible. What should I do about my PC? I don't need physical access to the PC. I would favour putting it into another ...
14 votes
3 answers
8k views

Laptop buzzing (not HDD, not fan). How to hush it?

I have a new Dell Inspiron 15 7547 laptop here. It makes an annoying high-pitched buzzing sound whenever on AC power. This is not HDD noise (there's a separate, usual sounding HDD noise when the HDD ...
Szabolcs's user avatar
  • 2,907
13 votes
12 answers
32k views

Any way to disable specific CPU idle (Cx) states?

I just got a new Toshiba Tecra S11 notebook, which has a Core i5 520M CPU, and it appears to suffer from a well-known problem: a high pitched noise when the CPU is idle. Googling around revealed that ...
Philippe Leybaert's user avatar
13 votes
5 answers
84k views

My computer makes a odd buzzing noise when chrome is open

I whenever I open google chrome or firefox on my pc I get a really annoying buzzing noise. I've been trying to pinpoint the noise - I removed all hard drives and swapped them all for new ones. Doesn'...
Jason's user avatar
  • 1,899
12 votes
2 answers
970 views

What would make a noise in a PC on graphics operations on a passively-cooled system?

I have this system based on the Intel D510MO motherboard, which is basically an Atom D510 (dual-core HT Atom w/built-in GPU), an Intel NM10 chipset, and a Realtek Gigabit LAN controller. It's entirely ...
T.J. Crowder's user avatar
  • 1,149
11 votes
1 answer
36k views

What is the cause of interference noises in my PC speakers and how can I get rid of them?

My PC's desktop speakers are periodically producing interference noises induced by my cellphone. Even if I move my phone away from the actual speakers, the noises are still present with the same ...
Oliver Salzburg's user avatar
10 votes
7 answers
53k views

Is there a photoshop filter that limits colors, but better than posterize?

Here's an example of what I want to do. The idea is: the filter looks for areas of adjacent (or even non-adjacent) colors that are very similar (only a few color levels off from each other) and ...
CreeDorofl's user avatar
  • 2,393
8 votes
1 answer
2k views

How to get rid of the buzz in computer speakers?

My computer speakers have started to emit a buzz, which "behaves" as following: It is loud when I power the speakers on, and then it fades quickly to a much lower volume level and remains ...
Apostolos's user avatar
  • 199
8 votes
4 answers
21k views

What could cause a desktop power supply to "hiss"?

Some background to my problem: My city had a thunderstorm last Monday and when I woke up, I noticed my desktop was turned off. I powered it on. It would stay on for about 20 seconds and then shut off. ...
TheCloudlessSky's user avatar
7 votes
4 answers
14k views

CPU makes an electric leak like sound

For a while my computer have been making a electric leak like sound whenever the CPU usage gets high. However, lately it started to make it more often. For example with anti-virus searches and malware ...
dagcilibili's user avatar
7 votes
6 answers
12k views

Noise/hiss produced by Windows(?) on the audio output (not a hardware issue)

I have a Windows 10 PC in my car that I use as a head unit for the audio system, and I'm having trouble with background noise. I have been able to detect it on another Windows 10 PC as well. The noise ...
Violet Giraffe's user avatar
7 votes
7 answers
855 views

Htpc aka "Media Center": cheap and *silent*?

It may be me, or the place I live (Italy), but it seems pretty hard to get a build or a prebuilt nettop or a laptop that fits the need. I need something silent able to playback all h.264 fullhd ...
Unknown's user avatar
  • 71
6 votes
3 answers
5k views

Should I worry about the noise my PC makes after installing a second GPU?

I recently installed a second graphics card (ATI 5770 in crossfire), and cleaned out a lot of dust from the PC. For some reason however the 'fan noise' is much louder, and I can only think of a few ...
AncientSwordRage's user avatar
6 votes
5 answers
4k views

How can I make my desktop PC cooler and quieter?

I own a three year-old HP Pavilion Elite housed beneath my desk. Last week, for the first time I opened the case of my computer and thoroughly cleaned the insides. Since then the computer runs ...
Ambo100's user avatar
  • 244
6 votes
2 answers
1k views

Why can I hear the cursor flashing on my screen through my headphones?

As well as just about everything else that changes on the screen, from loading a webpage, scrolling a window, typing, moving the mouse around, etc.? I have the headphones on, and I can hear it all. ...
JW.'s user avatar
  • 557
6 votes
1 answer
759 views

CPU Whine with USB mouse inserted while on battery

I have a Lenovo Thinkpad Edge E520 that emits a high pitched whine from the top lefthand area of the keyboard when a 2.4ghz wireless USB mouse is inserted. The sound is a lot louder while on battery ...
ElvisFanTCB's user avatar
5 votes
2 answers
5k views

Strange noise when moving files

When I move files, a small 'noise' noise comes through my headphones or speakers. It only happens when moving files. Is there a reason why moving files causes this slight static? It only lasts for ...
Freesnöw's user avatar
  • 956
5 votes
5 answers
19k views

Does UPS make any sound when not powering computer?

I would like to buy UPS, but the review I read: http://www.tomshardware.com/reviews/apc-smt1500-cyberpower-cp1500pfclcd-tripp-lite-smart1500slt,2785-12.html make me alert of one thing -- the noise ...
greenoldman's user avatar
5 votes
3 answers
639 views

How to judge noise level when configuring a computer on dell.com or hp.com

The last desktop I bought from Dell (Dimension XPS) was much noisier than I would have liked. I am planning on buying a new desktop soon and would like to consider noise level when configuring a ...
BluePants's user avatar
  • 138
5 votes
3 answers
2k views

Noisy RAM? Or noisy power supply?

I was developing a seekable implementation of AES and when I ran it; a high pitched noise started coming from inside my computer. I know it was NOT the hard drive because there was hardly any hard ...
bbosak's user avatar
  • 370
5 votes
1 answer
5k views

WiFi noise measurement

What I want to do: I want to do some experiments with devices such as a Raspberry Pi in environments, where there is noise in the 2.4GHz and 5GHz band. What I tried so far: My idea was to simply use ...
oh.dae.su's user avatar
  • 318
5 votes
3 answers
44k views

LCD monitor flicker when connected to a laptop using VGA

I have a dual screen setup with two AOC e2450Sw monitors connected to a laptop. The laptop has one HDMI and one VGA output. When one of the monitors is connected using VGA, it flickers or displays ...
Stand with Gaza's user avatar
5 votes
4 answers
3k views

How can I make my laptop cooler and quieter?

The laptop coolers on my Clevo W870CU are not very quiet, especially when gaming. Is it possible to replace the laptop cooler with a quieter cooler that still has the same air flow?
Tamara Wijsman's user avatar
5 votes
7 answers
5k views

high pitched whine from newly built PC

I've just built a new PC: Asus P6T Deluxe v2 motherboard i7 920 Sapphire HD 4670 Passive heatsink Corsair 620hx portal supply Antec P183 case Sometimes when I turn it on, there is a high pitched "...
A_M's user avatar
  • 285
5 votes
1 answer
2k views

Skype - How to disable the comfort noise?

Is it possible to disable the Skype comfort noise ?
Peter's user avatar
  • 239
5 votes
1 answer
16k views

Low CPU usage but High fan speed [duplicate]

Possible Duplicate: CPU Fan is Loud, but the Temperature is OK (I Think) The problem I am facing is the CPU fan rotates with high speed even though the CPU usage is very low, less than 10%. I ...
dhasu's user avatar
  • 812
4 votes
8 answers
12k views

Can I remove fans from my system?

I can't tolerate any noise in my room at all. I want to remove all 4 fans I have in my system: Processor Fan, Cabinet Fan, SMPS Fan, Graphics Card Fan Can removing all these fans produce any fire ...
teenup's user avatar
  • 650
4 votes
9 answers
11k views

Why is my computer fan so loud?

Recently my home desktop computer has been reacting a lot more to heat levels. The fan starts maxing out just about any time the CPU is used, and it's very loud. It didn't use to do this - only in the ...
gfrizzle's user avatar
  • 423
4 votes
5 answers
6k views

Why does my computer vibrate on a cold boot?

I don't know why but every morning when I turn on the computer, it makes a vibrating sound. Like its case is attached to a vibrator. But when I turn it off and turn on again using the power button (...
soul's user avatar
  • 3,649
4 votes
9 answers
3k views

Noise level of 10'000 rpm harddisks

I was planning to buy a new 10k rpm harddisk for my PC to speed up my daily work (SW development) - I guess this could lead to noticable speed improvement compared to my current 7200 rpm drive. What ...
M4N's user avatar
  • 5,366
4 votes
2 answers
16k views

Rattling laptop fan after applying compressed air

I recently used a can of compressed air to clear my laptop's air vents from dust and other dirt that accumulated over time. While doing so, I did not hold the CPU fan in place in order to stop it from ...
Steven Liekens's user avatar
4 votes
5 answers
9k views

Audio recording background noise

For a long time time I've been trying to get rid of the background noise that appears in every audio recording I make with my computer. Tried different microphones, different sound setting, drivers. ...
Sergey's user avatar
  • 467
4 votes
1 answer
3k views

Idle hard disk makes noise

Like a fan or something. I checked it. I stopped all fans (cpu, video, psu) and the noise was still there. I read online that it might be a motor or something. I have put a great deal of effort ...
Tomasi's user avatar
  • 815
4 votes
1 answer
19k views

Power supply makes high frequency noise, is it damaging my battery? (or other parts of the computer) [duplicate]

I bought a new Lenovo laptop, but sometimes used the power supply for my old Lenovo laptop. I just found out that the old power supply was the source of a very irritating high frequency sound (sample ...
RasmusWL's user avatar
  • 237
4 votes
4 answers
7k views

Difference in fan speed between Windows and GNU/Linux

On my Dell Vostro 200 (2.2GHz Core 2 Duo, 4GB ram) there's very noticeable difference in fan noise (and thus fan speed?) between WinXP and Ubuntu 10.04. I'ts a dual boot setup, and the fans (or at ...
klokop's user avatar
  • 826
4 votes
2 answers
3k views

Crackling/Popping audio, high DPC Latency from Intel Rapid Storage Technology -drivers

I'm sorry if this landed on the wrong stack, I'm not entirely sure if this or serverfault would be more suitable. I have a very strange problem, when I install any iRST driver newest or older ones my ...
deiga's user avatar
  • 358
4 votes
0 answers
6k views

ffmpeg reduce background noise

Audacity has a great noise reduction process that I've found works very well: select a "quiet" sample section of audio, choose Effects>Noise Reduction>Get Noise Profile. Then select whole stream, ...
eplictical's user avatar
3 votes
2 answers
8k views

Why noises appeared when convert 16bit wav to 8 bit wav, how to avoid it?

We have some 16bit/8000HZ/Mono/PCM .wav files, we need to convert to 8bit to use in our telephone system. But after conversion, we found there're many noise appeared in the 8bit .wav files even if ...
LiuYan 刘研's user avatar
3 votes
1 answer
308 views

I need to clean audio from white noise

I have wmv video with audio which has a lot of static noise from low quality mic. I need a software to filter noise off. Would like also an equaliser and some other settings to make audio to be what ...
Boppity Bop's user avatar
  • 2,366
3 votes
2 answers
1k views

Static noise from headphones

I have a static noise coming from my headphones when no music/noise is being played on the computer (running Windows 7). I have tested with 3 pairs of headphones using Realtek High Definition Audio ...
rickyduck's user avatar
  • 131
3 votes
3 answers
2k views

Get rid of buzzing noise when playing videos over ethernet-over-power?

Just bought one of these guys, and it's able to stream 1080p video across my house, but now there's a soft buzzing noise coming from my speakers. I'm guessing it's interference from my powerlines? ...
mpen's user avatar
  • 12.1k
3 votes
5 answers
25k views

Computer making sound when turned off

My computer currently makes a constant sound when it is turned off. The kind of sound you sometimes hear from a television for example. A really annoying sound. Could anyone point me in the right ...
user23630's user avatar
3 votes
5 answers
29k views

My desktop speakers make noise when they are ON and not used

I have a 2.1 Creative speaker system. While I'm happy with the sound quality, there's a small amount of noise or cracking sound being produced when the speakers are not in use (ie. no audio being ...
Rookie Programmer Aravind's user avatar

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