Odd, extremely faint sounds coming from inside of S4 - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

So today I was in the living room with no one around or other noise, and was talking on the phone laying on my side and just having the phone lay on top of my ear. When the conversation stopped and the person on the other end hung up, I noticed that there was some very faint buzzing noises coming from what appears to be the inside of the phone.
I did some experimenting and found that when my phone is on, there is a buzzing/humming noise that's really only audible from the earpiece speaker. The closest thing I could compare the sound to is a hard drive reading or writing data. Right after turning the screen off, the buzzing/humming changes to a higher-pitched crackling that has alternations (like some computers where you plug headphones in and can hear buzzing whenever you move the mouse or do something). About 5-10 seconds with the screen of it turns to a solid high-frequency whine (like what you get with some USB wall charger bricks, but actually more comparable to something like the tire squeal of a car doing a burnout).
Has anybody ever witnessed this? These are quite high-frequency and VERY faint sounds so some people might have it but not be able to hear it with their ears themselves, but it's just something that I noticed.

I hear it too, it's so cool to hear the raw processes taking place within a microchip! Nothing like it at all.

Related

Noise/ Static when calling and Unsafe Electricity

From the beginning I keep hearing static in the background of calls, when calling with the MDA to my ear, and a sort of ticking noise, short clicks constantly repeated in the static. The ticking sounds electronic, like the ticking of electronic cycles. I don't hear it when someone is talking, but when there is a pause in the conversation, it is clearly audible for me, not for the other party. I don't hear it with the headset or handsfree on. It is not really bothering me now, but the possibility of a total break down in the future is. Has this to do with a faulty speaker, or do more people have this noise?
Furthermore a safety issue: This morning my Compact was connected to my desktop, syncing and charging. When I received a call I picked up the Compact and put it to my ear, keeping it connected to the USB cable. Within 30 secs I got two electronic shocks to my ear, after removing the Compact from the cable no further shocks happened. So be carefull to unhook your Magician first before answering a call! I think it has to do with the outside being metallic and therefore able to conduct electricity or something like that.
I suppose, that these short clicks appear beacause of the powerfull earphone.
For example, if i make a phone call with hi-fi speakers on, i'll hear the same clicks.

Ready for some ear-test?

Hi guys,
I've found a very interesting sound effect on my O2 XDA Mini (=Magician). I've been having the phone for a few days only, but right from the very first calls I noticed that the speaker creates a very high frequency continuous beep-sound, not loud of course, but crazy high, something like the well-known side effect of the old CRT TVs. At first I thought it is produced during a conversation. Then today, I held my phone to my ears without any calls, and guess what: the beep is there. :shock: It's produced always!
I started to look around, and had a hunch that the LCD backlight can be the problem. I played a little with the backlight setting and found that I was right, the sound is poduced only when the light is set to low. It's loudest at the first notch of the light slider, and gets more and more quiet as you set the backlight higher.
Now I wonder if it's a special problem with my phone (like some bad quality filtering somewhere in the power electronics of the backlight system) or if it is the same with your devices.
Please try it and post your comments. Listen closely! And try both ears (not kidding), the sound is very quiet and very high in frequency, so your ears may not be up to the task to pick it.
Have to be honest I can't get a quite second at the moment but I'm pretty sure I've noticed this noise before as well. Another noise which can be irritating is the GSM radio module and it's intermitting buzzing (a quiet version of what you hear when unshielded speakers pick up your signal).
So basically I'm not sure but I think it's a generic issue with the backlight
Hi,
I found that too....
it's quite irritating as it looks like an old TV turned on.
I hope that won't be a problem to our ear in the future

Clicking loudspeaker (and noise) ?

Has anyone noticed this: Everytime time the (back) speaker starts playing, you can hear a clicking noise. And when you stop playing music, sounds, etc. you can hear it click again (after a few seconds).
It seems like the back speaker gets tuned on and off on demand. When it's on, you can also hear white noise coming out of the speaker. It stops when the speaker gets turned off.
The clicking is quite loud...it's not so loud when using headphones.
It is either really quiet or non-existent on my phone, since i did not notice it yet.
The best way to test this is probably:
- Quiet environment
- Press the red button (in touchflo for example)
- The will cause a short click, the a beep sound is played...and about 3-5 seconds later you will hear the click again.
true it happens on mine too, never noticed it...
i did like you said, and when holding the phone speaker right to my ear i can hear the white noise and the "switch-off" clicking when the speaker is disabled. then the noise is also gone. But to notice this i had to go to another (quiet) room and hold it to my ear, its really quiet. maybe yours is louder...
SlappyHours said:
The best way to test this is probably:
- Quiet environment
- Press the red button (in touchflo for example)
- The will cause a short click, the a beep sound is played...and about 3-5 seconds later you will hear the click again.
Click to expand...
Click to collapse
Strange. I've been using my Jade for over a month now. Don't seem to experience that problem. No funny sound. Or maybe it's too soft for me to realise.
Thanks for your replies.
I recorded this effect by putting the speaker directly to the mic of my laptop.
Listen here: http://pasalacqua.de/tmp/touchclick.mp3
You can hear the click, then the beep, then the white noise, then the click again (to turn off the speaker).
I put the volume of my phone to low. So the click is actually louder than the beep.
I guess there could be bugs worse than this. But it bothers me when the phone plays system sounds like a simple beep. The click is louder than the sound...
I just wonder if it is a general bug or only a bug on my phone.

HTC Sorround headphone noise issue

So I've got my surround for 1 week, and I notice an issue when I am using my headphone. If my wifi is on and I connect my headphone to the device, I hear a
fire cracker sound if I'm not playing any music or videos. It is not obvious which you can only notice it while you are in a really quiet place. So my question is, is it the problem with the surround or the window phone 7. The thing is that if I played music under wifi is on, the fire cracker disappears. Or if I turned the wifi off, it disappears. Has anyone has this cracker sound issue with wifi on? It seems like the antenna has affects the audio jacks or something. But if that is so, why the sound disappear while I'm listen to music??
Normally, when you plug headphones into anything, some noise is produced, just the metal rubbing on metal or w/e, (I'm sure the electrical engineers can explain it to the electrons), but this is a noise I've heard on many devices throughout my electronic experience. I've never seen it as a problem. It seems normal on my Surround, and I tried with WiFi on, off, connected, unconnected, music on, music off, and any other combo I could think of. All of the noises were the same, none louder than the others.
I'm not sure if that is helpful to you, but mine did not change at all.
I understand that. It's just I have never experience a cracker sound like this noticeable. So when u compare the noise to other devices, is it the same?
It sounds like nothing out of the ordinary to me, but you may want some more opinions.

[Q] Is anyone else getting a faint noise from the ear speakers all the time?

So I am getting this buzzing/hissing sound from my ear speakers. It is only noticeable when I hold it very close to my ears in a quiet room. But then it is quite easy to hear. The sound changes all the time. The frequency is different and there is a click sound every second or so.
It doesn't matter if the screen is on or if the phone is in stand-by. A restart didn't help.
I have never noticed this before so it might be my manual update to stock 4.3 that caused the problem. But it might have been there before the update.
It is not really bad because you only notice it when you call someone but it might eat up my battery.
That's normal and not even exclusive to your (our) phone
It's caused by electrical noise
/thread

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