MI3W strange high frequncy noise - Mi 3 Q&A, Help & Troubleshooting

Hi all, I wonder if anyone gets that strange high frequency noise (around 10kHz) coming out of the phone? It's coming mostly from the top and back of the phone, in the area where the mainboard is placed. It isn't even that loud, but it gets louder when system isn't booted up. So for example while the phone is restarting and has MI logo on its screen. I hope it doesn't affect life of the phone in any way.
Thanks for answers.
Odesláno z mého MI 3W pomocí Tapatalk

I think its normal..
I hear it too every time the phone getting booted up but after it booted you dont hear anything..

So I found out what actually causes the high frequency hissing. Most likely it's the PWM driver of the LCD backlight, it goes louder as I increase the screen brightness and goes entirely quiet when the screen turns off(phone locked or turned off). I found this out thanks to the top microphone I was listening to and also I was able to hear this high-pitch hissing in recorded videos, in the left audio channel as that's the top microphone. But, apart from that it's annoying, it doesn't affect the functionality of the phone anyhow.
MI3W 64GB/Tapatalk

Related

Low Earpiece Volume

Hi all, I know that I mentioned this in my other thread, but I thought that it should get more visibility. In short, my earpiece volume is extremely low, even when in-call volume is at maximum. It's almost inaudible, even in a quiet room.
I recently found an open tracker for this Issue:
https://code.google.com/p/android/issues/detail?id=80817
I'd recommend that anyone affected star this, so it gets addressed pronto.
dabomb224 said:
Hi all, I know that I mentioned this in my other thread, but I thought that it should get more visibility. In short, my earpiece volume is extremely low, even when in-call volume is at maximum. It's almost inaudible, even in a quiet room.
I recently found an open tracker for this Issue:
https://code.google.com/p/android/issues/detail?id=80817
I'd recommend that anyone affected star this, so it gets addressed pronto.
Click to expand...
Click to collapse
FWIW, my ear speaker actually seems loud. Had to turn it down. Never had a Nexus device that had to be turned down. I'm still on LNX07M.
Interesting. I don't know if it's related, but I updated to the latest OTA. Hope it's not a hardware issue, as this is definitely not just a little low. It's like a whisper.
Speakerphone is booming though, so hurray for front facing speakers, I guess.
Thank you for sharing the open tracker
Mine was doing this also. What fixed it for me (not sure if this was a coincidence or not) but I turned on the speakerphone will in a call turned volume all the way down, turned off speaker phone and turned phone all the way down then up. Works loud and clear now. Strange though
add my feedback as well.
added feedback too
Bump for other experiencing this.
jmill75 said:
Mine was doing this also. What fixed it for me (not sure if this was a coincidence or not) but I turned on the speakerphone will in a call turned volume all the way down, turned off speaker phone and turned phone all the way down then up. Works loud and clear now. Strange though
Click to expand...
Click to collapse
While the speakers are insanely loud which is good! I am having the same issue with the low volume while in call. I'll give this a try and report back.
Any luck with this working? And if so, is it a permanent fix?
dabomb224 said:
Any luck with this working? And if so, is it a permanent fix?
Click to expand...
Click to collapse
+1 I hope this issue get fixed asap
dabomb224 said:
Hi all, I know that I mentioned this in my other thread, but I thought that it should get more visibility. In short, my earpiece volume is extremely low, even when in-call volume is at maximum. It's almost inaudible, even in a quiet room.
I recently found an open tracker for this Issue:
https://code.google.com/p/android/issues/detail?id=80817
I'd recommend that anyone affected star this, so it gets addressed pronto.
Click to expand...
Click to collapse
I thought I had this issue until I realized I was not putting my ear over the speaker correctly. I'm coming from the N5 so with this larger phone you have to slide it closer out to your forehead. Try again to align it better.
Similar issue here.
Though in my case, the earpiece is lower in all situations. When watching a video the earpiece will be lower than the bottom speaker. Testing each one individually yields the same results no matter which orientation of the device (left channel right channel test).
Sent from my Nexus 6
Same problem here on a 64 gb from T-Mobile.
Sent from my Nexus 6 using XDA Free mobile app
I find the volume on the earpiece best when you treat the front facing camera as the earpiece.
Use it on my right ear and it feels weird, use it on the left ear, then it's perfect.
I know this isn't a solution, but if this helps, why not.
Sent from my Nexus 6 using XDA Free mobile app
After reading this post I realized after having my Nexus 6 almost two weeks, I've still haven't used the phone...
I made a test call, and my earpiece is of adequate volume I actually had to turn it down a little.
BAD MOTO!!
first , its the most expensive nexus device and now the bug is in the MAIN reason phones exist!!
VERY Low ear piece volume, i gifted this phone to my dad and now i am getting it back coz he cant hear a thing, and is fed up of this phone :/ ... this has got to be the priority... i am side loading the OTA and updating to 5.0.1, will let you know if this fixes anything but just wanted to BUMP this tread its a major problem:crying:
I'm on 5.01 and the volume in the earpiece is still low. I mean I can hear it but if I turn it down past half you don't hear anything.
Same problem. Pretty ridiculous.
Just checking in, same issue here. I've tried to make sure I have the earpiece centered over my ear but I have to have the volume on MAX to hear it and even then, it's just not loud enough.
In fact, I've been putting the phone on speaker and turning it down and using it like the if I have any background noise in the room because I just can't hear on it.
My Samsung Galaxy S3 was MUCH louder.

[Q] Nexus 6 Audio Questions....

I just recently bought a Nexus 6, and not to long after I bought it my phones volume started to get very low. When I was on a phone call and switched to speaker, the phone starts the audio off as low, but then gets higher after a few seconds. Now when I listen to music or watch netflix, the audik starts off high at full volume, but then goes very low as if the phone had a Automatic Leveler. Is there anyone way to fix this ?
cjegan2008 said:
I just recently bought a Nexus 6, and not to long after I bought it my phones volume started to get very low. When I was on a phone call and switched to speaker, the phone starts the audio off as low, but then gets higher after a few seconds. Now when I listen to music or watch netflix, the audik starts off high at full volume, but then goes very low as if the phone had a Automatic Leveler. Is there anyone way to fix this ?
Click to expand...
Click to collapse
you are on stock? i didnt experience it on stock, but did on aosp. on aosp its a bug, that was fixed by a few developers.
Im pretty shocked by the nexus 6 speakers.
1. Speaker phone only works on the top speaker.
2. Anything from the lowest volume till about 2/3rds is nicley scaled then it just jumps in loudness in the last 3 to 4 clicks.
3. The stock sound is shocking bad ! Sounds like they forgot to balance bass and treble.
4. My headphone jace only seems to work with some jacks, an aux lead refuses to work in all 3 of my work vans and my old HTC headsets but works with iphone headsets and some of my aony headsets ( these all worked in my N5 )
5. Where the freekin' EQ ! Really google cant make a EQ letalone a good camera app !!!!
I am on stock. No root, no unlocked bootloader.
The funny thing is, when in place my hand over the front camera lens, and curved around the front, the volume goes back up as if there was a auto level function. If I take my hand off of that speaker, it goes back down because I am in a quite room. Something's not right with that..
I'm not rooted and I have similar issues. When I get phone calls or texts the volume starts out really low then gets high and I can't stand it. Seems to have just started doing this. Same thing when I'm talking to someone, I get a call, I answer it and I can barely hear them then 1 or 2 seconds later it's fine. Driving me crazy. Would love to get this fixed.

issue sound !!

Hi all
I have problem with the sound i set the volume max but when I receive calls or msg sometimes the sound be low and sometimes be loud
is all have this problem or just me ?
sorry for my bad english
Sent from my Nexus 6 using Tapatalk
I have not had this problem. Definitely not normal
Sent from my Nexus 6 using Tapatalk
I know that for calls the ringtone starts low and it increases slowly but I have no issues with notification sounds-they play as laud as I have set the volume.
When you say the sound is low, do you mean for the ear piece? The ear piece has a known issue of having very LOW sound levels for a lot of people.
A good number of people can't hear using the ear piece.
Check out this thread:
https://code.google.com/p/android/issues/detail?id=80817
I want to add to that also. So sometimes I notice when my phone is away from my head when I answer a call for example, the call starts out louder but goes lower once the phone is to my head. Now if I check the volume level, it's still at max. I was almost wondering if the phone doesn't have some type of proximity sensor that KNOWS it's near my head due to light levels or whatever. Kinda like how the phone shuts the screen off when it's near your head?
Either way I can NOT use my ear piece to hear calls. I have to turn on my speaker phone on a low volume to hear it!
They need to add a "boost" button like Samsung has on their dialer in TouchWiz.
There was a fix listed at the above url but sometimes it works, sometimes it doesn't for me.

Speaker crackle - defect, normal, common?

I've had my phone replaced 4 times now, each had a problem. I'm on my 5th Nexus 6 and this one has speaker crackle in the top speaker. I noticed it when I had a Facebook notification, but I haven't heard it since, so obviously. I can only hear it when I play some sort of sound, and afterwards, once the particular sound has finished playing, I hold it right against my ear, and it's sort of like white noise with like crackles and pops in. I can't hear it when it's away from my ear and it doesn't seem to affect call quality.
I've noticed the bottom speaker outputs normal white noise once audio has finished playing, but again, only when holding it up to my ear.
I've read a lot of people have had this, but their replacements seem to do the same thing. Is this worth a replacement (in my case a refund, I don't want a sixth phone) or is it just one of those things that won't really affect the phone?
Move doesn't appear to get any worse when the battery is lower either. It's constant when Google Music is open, when a song is on pause, but I only know this because I held it right against my ear.
Surely, if it was a defective speaker, the speaker wouldn't sound as good as it does playing audio?
Anybody else's so this?
zingxao said:
I've had my phone replaced 4 times now, each had a problem. I'm on my 5th Nexus 6 and this one has speaker crackle in the top speaker. I noticed it when I had a Facebook notification, but I haven't heard it since, so obviously. I can only hear it when I play some sort of sound, and afterwards, once the particular sound has finished playing, I hold it right against my ear, and it's sort of like white noise with like crackles and pops in. I can't hear it when it's away from my ear and it doesn't seem to affect call quality.
I've noticed the bottom speaker outputs normal white noise once audio has finished playing, but again, only when holding it up to my ear.
I've read a lot of people have had this, but their replacements seem to do the same thing. Is this worth a replacement (in my case a refund, I don't want a sixth phone) or is it just one of those things that won't really affect the phone?
Move doesn't appear to get any worse when the battery is lower either. It's constant when Google Music is open, when a song is on pause, but I only know this because I held it right against my ear.
Surely, if it was a defective speaker, the speaker wouldn't sound as good as it does playing audio?
Anybody else's so this?
Click to expand...
Click to collapse
Hello,
I have the same problem. It's a low frequency noise... after each sound, but only if you hold it to your ear.
Let me tell you that, that does not affects the overall product. I have deal with lots of FACTORY BUGS (like Sensation 4G BT antenna) and so on, but this 1 sec low frequency does not affect as much.
For me is only more noticeable when on low battery.
Hope this helps!:good:
I think it's more of a software issue, are you completely stock? I flash a lot of Roms. There are some I get the crackle noise some that I don't. I also use lean kernel which has updated audio and display drivers... No crackle or pops for me in quite a long time
Is it definitely a software problem? I read online about people saying its hardware, but if it is software I'll keep it. If not I'll have to send it back Monday... would a factory reset do anything?
And yes, completely stock.
And same, mine is worse when on low battery. If I play a game with sound off, there's this constant buzz coming from the top speaker.

The Speakers Megathread

How is everyones speakers holding up? I dont always get a distortion at max volume but there are specific tones where I can hear them. The one specific example I can think of is the default alarm tone (I think its oxygen). Anyone else have a similar experience? Or is the phone supposed to be distortion free for all tones at max volume?
Thanks!
I sometimes get crackling/distortion from the top speaker but I noticed a new issue with mine last night.
I had my handset on silent and pulled down to my quick settings/tiles I switched WiFi on and held the device close to my ear, I could hear a few seconds of a 'buzzing clicking' noise then it stopped, I turned the WiFi off and the same thing again.
It happens on both the top and lower speaker and makes this noise whenever I turn on or off the wiFi or Mobile Data. It also doesn't matter if it's on silent or active notifications.
Is it just the radio being activated/turned off?
Does it happen to anyone else?
l also got my first random shutdown last night too.
DroidBee said:
How is everyones speakers holding up? I dont always get a distortion at max volume but there are specific tones where I can hear them. The one specific example I can think of is the default alarm tone (I think its oxygen). Anyone else have a similar experience? Or is the phone supposed to be distortion free for all tones at max volume?
Thanks!
Click to expand...
Click to collapse
The speaker issue is not actually a hardware issue It's actually a bug. Some people get panicked and apply for a replacement but there is a high chance to face the same issue on the replaced device too. But on some device it's a hardware issue which can be evident in ANY volume not in the specifically the HIGHEST volume
How can distortion be a software issue though?
DroidBee said:
How can distortion be a software issue though?
Click to expand...
Click to collapse
The sound issue can easily be a software issue, it does not necessarily have to be distortion coming from the speaker. That word is being thrown around too easily. But the OS could be sending bad code to the speaker, which comes out sounding like distortion. With the vast amount of people claiming to have this, I am more inclined to think it is more of a software bug.
PS - How is this a "mega" thread'? Just because the OP wants it to sound like an 80's hair metal concert title?
The-Last-Hylian said:
I sometimes get crackling/distortion from the top speaker but I noticed a new issue with mine last night.
I had my handset on silent and pulled down to my quick settings/tiles I switched WiFi on and held the device close to my ear, I could hear a few seconds of a 'buzzing clicking' noise then it stopped, I turned the WiFi off and the same thing again.
It happens on both the top and lower speaker and makes this noise whenever I turn on or off the wiFi or Mobile Data. It also doesn't matter if it's on silent or active notifications.
Is it just the radio being activated/turned off?
Does it happen to anyone else?
l also got my first random shutdown last night too.
Click to expand...
Click to collapse
Yeah I get a crackle when I go into airplane mode or when I come out of it,apparently its a common issue
Sent from my A0001 using XDA Free mobile app

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