Buzzing noise during calls on LTE - Xiaomi Redmi Note 4 Questions & Answers

Hello all,
I've just upgraded from Redmi Note 2 to Redmi Note 4 and I've noticed a buzzing / cracking sound in the earpiece during the calls.
It can be heard during the busy or waiting tone and than during the call.
What's interesting I can hear it through earpiece and loudspeaker too , but not on the headphones.
Could it be a hardware issue - if yes that means that both speakers and earpiece are broken ?
I've isolated the problem to the LTE connectivity, when I'm connected to 2G network there's no buzzing. Tried to replicate it on redmi note 2 but it works well on all network types.

Redmi phone noise during calls
Same Problem on my mobile. A small difference, works fine with VoLTE sim and great noise with 2G sim
paniczklos said:
Hello all,
I've just upgraded from Redmi Note 2 to Redmi Note 4 and I've noticed a buzzing / cracking sound in the earpiece during the calls.
It can be heard during the busy or waiting tone and than during the call.
What's interesting I can hear it through earpiece and loudspeaker too , but not on the headphones.
Could it be a hardware issue - if yes that means that both speakers and earpiece are broken ?
I've isolated the problem to the LTE connectivity, when I'm connected to 2G network there's no buzzing. Tried to replicate it on redmi note 2 but it works well on all network types.
Click to expand...
Click to collapse

Related

Motorola HS801 with O2 Xda IIs

I have no problem pairing the HS801 with my Xda and the incoming audio is loud and clear. However, in most case the outgoing audio signal is full of static noise and in 1 out of 2 cases the other party can not hear anything but noise (despite me hearing them clearly). Anybody with a similar experience and a possible fix?
I have a Motorola HS810 with my Blue Angel and out bound voice signal is excellent.
If anyting its the other way round on mine.
Of the 4 headsets I tried HS810 had the best outbound signal quality and poor in bound (too quiet, static and echo).
It is possible that your HS810 is faulty.
It's an HS 801
Thanks for your feedback. Regretfully my headset is not the 810 but the 801. I send it to the Motorola Service Center and they are testing it currently. Tested my phone with another headset model and it seems to work fine.
Any updates?
I also bought an 801 for my M2000, and have had the same problems with my outgoing sound being inaudable. Took it back and got it switched for another one, and seem to have the same problem.
Any update on your investigations thowin?

BUG - Redmi Note 2 - clicking sound from headphone jack

Hi there!
I just bought my new Xiaomi Redmi NOTE 2 TDD 4G.
It worked grate 2 weeks. But now i have a problem whit the headphone jack.
When i connect small headphones to the phone there is no clicking sound from headphones.
But, when i connect larger speakers something like car stereo or home theater speakers there is the annoying unstopping clicking sound.
I have google it, some smartphones have the same problem. But on the Redmi Note 2 it seems to be hardware problem, because if i am in recovery mode its still makes the clicking sound.
May by somebody have the same problem or know something more about it, please leave a comment.
Thank you!
RN 2 prime /aosp
eqq92 said:
Hi there!
I just bought my new Xiaomi Redmi NOTE 2 TDD 4G.
It worked grate 2 weeks. But now i have a problem whit the headphone jack.
When i connect small headphones to the phone there is no clicking sound from headphones.
But, when i connect larger speakers something like car stereo or home theater speakers there is the annoying unstopping clicking sound.
I have google it, some smartphones have the same problem. But on the Redmi Note 2 it seems to be hardware problem, because if i am in recovery mode its still makes the clicking sound.
May by somebody have the same problem or know something more about it, please leave a comment.
Thank you!
Click to expand...
Click to collapse
Same problem 1+
Same here
The strange thing is that if you remove and reinsert the jack from the stereo side, the noise will turn off
Does that by any chance happen while you're charging your phone?
Sent from my X98 Air II (HG9N)
Nothing like that on mine so far, been listening to music via my car's AUX input and headphones.
not have this problem (prime version)
hi, have u solved this problem? becouse i cant fix it.. :/
Some cables produce this sound, try another cable It worked for me.
I get this, but only if the plug is not fully inserted. I can even make this same noise using my Xiaomi Piston 3 earphones, again if not fully inserted.

Hissing/ 'SSSS' sound from Redmi Note 3 Speaker and When Connected to Amplifiers

Hey Guys.
I'm creating this thread since I did not find any other old thread about this issue.
When a song or any audio output is done through the Redmi Note 3's Speaker or when it is connected to a Amplifier like a car stereo then there's an Awkward ssssss or Hissing sound.
I've used Two Different models of the Redmi Note 3 thanks to Amazon and both of them have this.
It has a very very low possibility of hardware error.
When a song is played at 1/7 of the total volume, put your ear near the device speaker and listen carefully. You might notice a weird hissing sound. It goes away when there is deep and strong bass but is there lots of times.
Using an amplifier it is most noticeable at lower volumes.
I hope you people understand.
Respond ASAP!
GamerChamp99 said:
Hey Guys.
I'm creating this thread since I did not find any other old thread about this issue.
When a song or any audio output is done through the Redmi Note 3's Speaker or when it is connected to a Amplifier like a car stereo then there's an Awkward ssssss or Hissing sound.
I've used Two Different models of the Redmi Note 3 thanks to Amazon and both of them have this.
It has a very very low possibility of hardware error.
When a song is played at 1/7 of the total volume, put your ear near the device speaker and listen carefully. You might notice a weird hissing sound. It goes away when there is deep and strong bass but is there lots of times.
Using an amplifier it is most noticeable at lower volumes.
I hope you people understand.
Respond ASAP!
Click to expand...
Click to collapse
I too faced that situation... But in my case..
The 3.5 mm jack is broken..
I mean.. There's no problem with the phone.. But in sound system I use...
Have you checked this problem with other speakers ...??
Abhi45 said:
I too faced that situation... But in my case..
The 3.5 mm jack is broken..
I mean.. There's no problem with the phone.. But in sound system I use...
Have you checked this problem with other speakers ...??
Click to expand...
Click to collapse
Hey,
I actually have noticed this when I played music in my Car and also from the phone's Speaker itself!
Both when the volume is Very Low....
I know it's not a problem with my piece because I've checked with many RN3 Users and same issue is being detected there too.
My RN3 is new and in superb Condition and so are the other Appliances like the Car Stereo I used.
Even then this Hiss sound is there.
I wonder of its a problem with the Chipset altogether since there isn't a sound/music chip in it...
I hope it's a software issue and gets resolved fast...
When recording sound from the speaker output yes the sound is levied towards the high end, this is probably what causes the hissing sound in your amplifier since it can't properly amplify that freq or something along those lines, I'm not too sure since I'm no sound engineer but that's just my 50 cent.
Edit
Dumb me, your amplifier is probably a 3.5mm headphone Jack right? If so then there shouldn't be this issue and my above statement wouldn't apply ;-;
I noticed this when using Viper Audio. There was a small but noticeable hissing in the left earphone. It went away when I turned off playback gain control.
Maybe check if any equalisers or headphone effects are on and turn them off?
hulgo said:
I noticed this when using Viper Audio. There was a small but noticeable hissing in the left earphone. It went away when I turned off playback gain control.
Maybe check if any equalisers or headphone effects are on and turn them off?
Click to expand...
Click to collapse
I had checked everything possible. I even did now.
No part of the settings, equalizer, audio effects could fix it....
And where's the option you're talking about for playback gain control? I'm still unrooted with a locked bootloader on MIUI V7.2.3.0LHOMIDA
The sound is there in both speakers in my case. I'm not using anything other than the stock music application and some great songs on an amplifier I.e. Cars stereo
Anybody has got the solution? I am also facing same issue ??
gaurishmhatre said:
Anybody has got the solution? I am also facing same issue ??
Click to expand...
Click to collapse
Not till now.
I've bought this Bluetooth audio adaptor that serves my purpose in the car.
Funnily nobody at Mi noticed this.
I'll do a bug report highlighting this issue.
Everyone else plase do too!
Sent from my Redmi Note 3 using XDA-Developers mobile app
GamerChamp99 said:
Not till now.
I've bought this Bluetooth audio adaptor that serves my purpose in the car.
Funnily nobody at Mi noticed this.
I'll do a bug report highlighting this issue.
Everyone else plase do too!
Sent from my Redmi Note 3 using XDA-Developers mobile app
Click to expand...
Click to collapse
I have also dropped them a mail. Will also report bug. Thank you for your solution but I'll probably have to wait as my car system does not support Bluetooth.
gaurishmhatre said:
I have also dropped them a mail. Will also report bug. Thank you for your solution but I'll probably have to wait as my car system does not support Bluetooth.
Click to expand...
Click to collapse
Even mine didn't support Bluetooth.
If your Stereo supports USB and Aux in, you can also go for the adapter since it only needs those two.
USB for Power and Aux In for the Music.
Sent from my Redmi Note 3 using XDA-Developers mobile app
I had a similar problem. Whenever I connected my headphones to my Redmi Note 3, there would be a weird hissing noise at low volumes especially. At higher volumes, it would reduce. I found a fix to this on Reddit, but you need to be rooted.
https://m.reddit.com/r/Xiaomi/comme..._3_pro/?utm_source=mweb_redirect&compact=true
Looks like a legacy. We are well into 2017 and the issue still exists. I bought my RN3 a couple of weeks ago and noticed the hissing on the third day of use. I just have been ignoring it. After all, it's a Chinese phone. I bought it and I have to live with it.
Good afternoon! The solution for problems with Redmi Note 3 and AUX is the following (solves the problem of correct detection and noise during playback): it is necessary to solder or otherwise connect resistors with a rating of 10 ohms between the common "0" wire and the left and right channel wires (I did 17 Ohm , did 10 ohms - both options work).
After you make this cable, the sequence of actions is as follows: the cable is first inserted into the smartphone, wait for the icon to appear with the headphones, and then insert into the AUX-input of the radio or audio system.

Microphone Headset

Hi Guys
I noticed that the microphone of my Headphones does not work with my Poco. (AKG from Samsung S8)
But the Microphone works fine on other devices.
Is this a known Problem?
Does someone else got that problem?
Cheers
Smouker
I also get this problem tried with 2 different working headphone mics going to have to buy myself a bluetooth headset to use this
My poco can use s8 akg earphone without issue...
Using it for pubg mobile.
ronald_loulan said:
My poco can use s8 akg earphone without issue...
Using it for pubg mobile.
Click to expand...
Click to collapse
but does the mic work for calling?
I have the same issue which is too bad because this is by far my favorite headset.
same problem
my earphones (AKG from Samsung S8) mic doesnt work with my poco f1! it works with my all other phones
same issue with me
but 1 thing i have my sis earphone
name mycandy something like this
but it work very well as well as mic in pubg also
same issue with me too. sound qualiy is goo in headphone/earphones but mic doesnot work. i have redmi note 3 and it have the same problem. i guess every xiaomi phone have this problem.
Same issue
Facing same issue while using Soundmagic E10C. Do we know if this is a software issue or hardware issue?

Poor Call Quality Over Bluetooth

Hi Everyone,
Have been using my J8110 with Samsung Galaxy Buds Plus which was working really well, suddenly since yesterday I'm having an issue where the sound quality becomes really poor over bluetooth whilst in a call(including whatsapp, & signal calls), crisp sound quality as before when playing media music etc however as soon as I dial a call I can hear distorted background noise and sound becomes high pitched at the same time the person on the other end can't hear me too well. It's not the galaxy buds as I tested with 2 different phones and it worked fine. Also enabled developer settings and played around with the bluetooth codec/rate etc nothing has helped Anyone had similar experiences or ideas on how it might be fixed?

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