Front speaker audio issues - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Hi guys, I'm having a problem with the Mi 9t front audio, whenever I hear audios on WhatsApp the sound gets echoed and a hiss, as if the sound burst.
The problem decreases slightly when activating mono audio.
Another problem is that WhatsApp audio starts loud and then decreases, can anyone help me?
Sorry for english, not my language.

Test your phone - go to settings, about phone, press core version few times
I bet it's related to radio version

Any news on this?
I'm facing the same issue on my 9T Pro.

Same problem here! Thinking in take back to he store that I bought and call warranty, but the bigest problem is that this don't appear all the time... My Mi 9 Pro is White.

Related

Microphone issue ( Maybe Noise Cancelling)

Hello guys, i'm facing a very annoying issue, since i updated zenfone 5 to lollipop, my microphone randomly and at most time, the microphone doesn't work, during a call the other side can't hear me, but if i put in speaker mode, the microphone works well, also in recorded videos or audio, there's no sound, curiously, if i speak near the upper mic hole, the other side can hear me with a low quality voice. In nexus 5 there's a similar problem, and if you change the "persist.audio.fluence.voicecall=" to true in build.prop the problem is solved, so I guess the issue is in microphone noise cancelling. I want to know if there's a way to solve this, where I can disable the noise cancelling, i searched in build.prop but i didn't find a option related to mic/noise canceling.
P.S. I already change the firmware from stock lollipop to shell rom 5.0 and did a full wipe and the problem persist.
Celo88xda said:
Hello guys, i'm facing a very annoying issue, since i updated zenfone 5 to lollipop, my microphone randomly and at most time, the microphone doesn't work, during a call the other side can't hear me, but if i put in speaker mode, the microphone works well, also in recorded videos or audio, there's no sound, curiously, if i speak near the upper mic hole, the other side can hear me with a low quality voice. In nexus 5 there's a similar problem, and if you change the "persist.audio.fluence.voicecall=" to true in build.prop the problem is solved, so I guess the issue is in microphone noise cancelling. I want to know if there's a way to solve this, where I can disable the noise cancelling, i searched in build.prop but i didn't find a option related to mic/noise canceling.
P.S. I already change the firmware from stock lollipop to shell rom 5.0 and did a full wipe and the problem persist.
Click to expand...
Click to collapse
HI,
maybe you fixed you problem yet (I'm sure you did after more than a year, but for other people having that problem).
Open claculator and type .12345+=
Go to BoardMic_Test
Make loud background noise for eg. from PC select one under youtube for phrase "industrial sounds 10 hrs"
Tap Start and talk to you phone.
Stop noise and listen results.
You may repeat procedure several times as results will satisfy you.
Try the same without noise, should be OK.
It works for me, no mic replacement, no software upgrade, no restarts, no restore factory defaults

[Q] Samsung Galaxy A5 (2017) SM-A520F/DS speaker crackling/distortion

Hi guys,
I bought this phone two days ago and i think its a very good phone. One thing though, i find the speaker low volume, and when i try changing notification sound, some music gives a bit crackling/distorting sound.
then i try changing the Alarm, the title "Morning Flower" gives a bit crackling sound too.
Note that i only set the volume to 70%, and the crackling is already there.
I try the same music title on my friend Galaxy J7 prime, and his speaker does not produce any crackling sound and its louder.
The crackling sound only happen if i play piano sound or high pitch musics, but its strange with samsung default music it gives the crackling sound. Other normal non high pitch default songs plays good without crackling/ distortion.
Is it a known issue to this model or its just a speaker defect?
Thanks
Llujei said:
Hi guys,
I bought this phone two days ago and i think its a very good phone. One thing though, i find the speaker low volume, and when i try changing notification sound, some music gives a bit crackling/distorting sound.
then i try changing the Alarm, the title "Morning Flower" gives a bit crackling sound too.
Note that i only set the volume to 70%, and the crackling is already there.
I try the same music title on my friend Galaxy J7 prime, and his speaker does not produce any crackling sound and its louder.
The crackling sound only happen if i play piano sound or high pitch musics, but its strange with samsung default music it gives the crackling sound. Other normal non high pitch default songs plays good without crackling/ distortion.
Is it a known issue to this model or its just a speaker defect?
Thanks
Click to expand...
Click to collapse
Its for sure a defect bro i recommend getting it replaced.
*****NOTE*****:google search about the pixel soind bug and it had the same crackling problem as you said with A 2017 i use a pixel xl and after a few updates the pixel sound bug was solved by google so the main thing is that the cracling can be because of hardware or software but i recommend checking and replacing since it is costly phone. Also tell me the replacement unit has the same issue.
Androbots said:
Its for sure a defect bro i recommend getting it replaced.
*****NOTE*****:google search about the pixel soind bug and it had the same crackling problem as you said with A 2017 i use a pixel xl and after a few updates the pixel sound bug was solved by google so the main thing is that the cracling can be because of hardware or software but i recommend checking and replacing since it is costly phone. Also tell me the replacement unit has the same issue.
Click to expand...
Click to collapse
After comparing it 1 - 1 with demo unit on the store, i can confirm its the speaker defect. Demo unit sounds perfect with no crackling sound.
I have contacted samsung, and they have arranged a replacement unit in 3 weeks, i'll report back the result. :good:
Llujei said:
Hi guys,
I bought this phone two days ago and i think its a very good phone. One thing though, i find the speaker low volume, and when i try changing notification sound, some music gives a bit crackling/distorting sound.
then i try changing the Alarm, the title "Morning Flower" gives a bit crackling sound too.
Note that i only set the volume to 70%, and the crackling is already there.
I try the same music title on my friend Galaxy J7 prime, and his speaker does not produce any crackling sound and its louder.
The crackling sound only happen if i play piano sound or high pitch musics, but its strange with samsung default music it gives the crackling sound. Other normal non high pitch default songs plays good without crackling/ distortion.
Is it a known issue to this model or its just a speaker defect?
Thanks
Click to expand...
Click to collapse
Hello. I'm Korean
I have the same problem with the same model. (Korea SK Telecom SM-A520S)
Samsung Service Center says no such problem has been reported
Was the problem resolved after repairing the speakers?
I'm really annoyed by the problem I haven't experienced before....
[email protected] said:
Hello. I'm Korean
I have the same problem with the same model. (Korea SK Telecom SM-A520S)
Samsung Service Center says no such problem has been reported
Was the problem resolved after repairing the speakers?
I'm really annoyed by the problem I haven't experienced before....
Click to expand...
Click to collapse
Hi! I just got my replacement unit yesterday, and here as promised i report back the result.
I'm not asking samsung to repair it, i demand a replacement unit because i just bought it not even a week that day.
The replacement unit does not have such issue, my speaker is now running good no crackling and no distortion. I suggest you ask the SSC guy and compare it directly with demo units.
At first the samsung center representative also said the same, no such issues, he couldnt hear the crackling. But after i asked him to compare it directly with available demo units, he then realized there's some problem with the speaker.
I suggest you ask for a replacement unit. Good luck!
hi guys
i bought A5 last week, i realize that speaker max volume is much lower compared to note3
is this also defect ?
i didnt hear any crackling though... it sound clear at max sound, i just the sound abit low even at max volume compared note3... i have yet to test with other samsung phone or demo unit

M3 lite 10.1 external speaker crackling/distorting sound

Hi to all,
I just bought a M3 lite 10.1 and in some hours discovered an annoying defect that I please ask you to confirm or not in your device.
When music (from youyube or internal mp3) is playing on the internal 4 speakers at a medium to maximum volume and one try to close partially the holes' speakers (the lower or the upper one) the sound start to crackling like a distortion. It appears as a internal membrane starts to vibrate. If the speaker holes are free the problem doesn't appear. If the speaker holes are completely close the problem doesn't appear and the sound obviously doesn't output. The problem is more audible with music without drums like this:
Xxx.youtube.xxx/watch?v=inBKFMB-yPg&feature=share
This crackling/distortion is very annoing beacuse in landscape mode the tablet is always in position in which the 2 lower speaker are with the holes partially close... so the distorsion is inevitable.
I searched on all the forum but I did not read any about this specific problem on M3.
Anyone with the same problem? Any solution?
Thanks.
Can someone help me testing in his M3 lite 10.1 device if the defect above described appears with the video provided or similar with piano or guitar solo?
This could avoid to call the assistance if the problem appears on all M3 devices.
In the title I mean "internal 4 speakers"
Thanks a lot.

Mi 9t global/ phone speaker white noise problem

Hello,
In low 1-2 level volume, i hear cracking some kind of white noise!! (Video, music, podcast) its really disturbing when you listen night and quiet place. I tried this my friends phone Poco, mi a1 same problem occurs. High volume has no problem. Is this common problem of xiaomi phones? I dont know this is software or hardware problem. Just using a week and I do not want to give the phone to technical service
Thanks for your help
lamenter said:
Hello,
In low 1-2 level volume, i hear cracking some kind of white noise!! (Video, music, podcast) its really disturbing when you listen night and quiet place. I tried this my friends phone Poco, mi a1 same problem occurs. High volume has no problem. Is this common problem of xiaomi phones? I dont know this is software or hardware problem. Just using a week and I do not want to give the phone to technical service
Thanks for your help
Click to expand...
Click to collapse
Any idea?
Are you using any headphones or something maybe it is the problem
Or a network problem while buffering the video or audio
lamenter said:
Hello,
In low 1-2 level volume, i hear cracking some kind of white noise!! (Video, music, podcast) its really disturbing when you listen night and quiet place. I tried this my friends phone Poco, mi a1 same problem occurs. High volume has no problem. Is this common problem of xiaomi phones? I dont know this is software or hardware problem. Just using a week and I do not want to give the phone to technical service
Thanks for your help
Click to expand...
Click to collapse
About what noise are you talking about? if you hear a small humming noise it is quite normal when Audio is active, have you ever put your ear next to External stereo speakers? They produce low noise if the music stopped or when idle but connected to a power supply, amplifier noise that is usual thing. I don't hear that much noise only if I put my phone next to my ear with the lowest volume but still it is not practical, no idea what are you trying to do or...
batman957 said:
Are you using any headphones or something maybe it is the problem
Or a network problem while buffering the video or audio
Click to expand...
Click to collapse
hwandroid said:
About what noise are you talking about? if you hear a small humming noise it is quite normal when Audio is active, have you ever put your ear next to External stereo speakers? They produce low noise if the music stopped or when idle but connected to a power supply, amplifier noise that is usual thing. I don't hear that much noise only if I put my phone next to my ear with the lowest volume but still it is not practical, no idea what are you trying to do or...
Click to expand...
Click to collapse
No, I'm talking about the phone's own speaker. When i use headphone wireless/wired, bluetooth speaker and amplifier there is no problem. This problem is present (some kind of intermittent walkie-talkie noisy sound.. i couldnt described) in every application with sound . I have tried youtube, podcast, apple music, spotify...
I use a lot to listen to podcasts at night (low volume is necessary), this problem is not really acceptable. I've used cheaper phones, I've never seen anything like it.. I went to the mi store today and tried on the same phone. there was no problem. I don't think this problem can be solved by updating miui 11 or something. (by the way I reset the phone twice and set up last miui software)
Thanks for your answers :good:
lamenter said:
Hello,
In low 1-2 level volume, i hear cracking some kind of white noise!! (Video, music, podcast) its really disturbing when you listen night and quiet place. I tried this my friends phone Poco, mi a1 same problem occurs. High volume has no problem. Is this common problem of xiaomi phones? I dont know this is software or hardware problem. Just using a week and I do not want to give the phone to technical service
Thanks for your help
Click to expand...
Click to collapse
Same Problem faced on Pocophone F1 and Mi 9T Global
Murshad007 said:
Same Problem faced on Pocophone F1 and Mi 9T Global
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Click to collapse
I wonder if this issue has been resolved with the new miui 11 update? Actually i don't think they are aware of the existence of such a problem.
lamenter said:
I wonder if this issue has been resolved with the new miui 11 update? Actually i don't think they are aware of the existence of such a problem.
Click to expand...
Click to collapse
No. Still there.
Was going to say it does not happen for me on YouTube. But... U guessed it, it does. it's not as bad and only happens on first volume level but not above that.
Then on the browser it does happen between 1-3 I think. Kind of sucks but definitely not a big deal considering the price and everything. Would be interesting to find out why though.
No issues in K20_In variant
rounakr94 said:
No issues in K20_In variant
Click to expand...
Click to collapse
Maybe the problem is global rom! I dont know
+1 for this problem, just noticed... On low level (2,3) got that "cracking" sound. Mi 9T 10.3.11.
Boshe said:
+1 for this problem, just noticed... On low level (2,3) got that "cracking" sound. Mi 9T 10.3.11.
Click to expand...
Click to collapse
if more people control their phones for this , we can understand which rom has a problem or is it related to the rom :good:
11.0.2.0 global, same issue
donnow said:
11.0.2.0 global, same issue
Click to expand...
Click to collapse
me too!
Today i updated my phone to miui v11.0.1 pfjmıxm / global mi9t and still has this crappy issue. ?
Is there anyone facing this issue with EU rom? ?
It's definitely issue in global ROMs. I have the same problem
I have mi 9 SE EU ROM and I have noticed the problem !
I have a MI9T Pro and having this hissing and cracking sound that is more prominent on lower levels of volume. It's is driving me mad.
I am using MiUI 12.0.2 and the earphone is a Bluetooth Echobud from Amazon.
I was about to return the earbuds, but decided to try the Echobud on an iPhone X and a Motorola G9 and it worked perfectly.
I am thinking about installing a generic Google OS on the phone is the problem persist. It might be a software problem?

Mi 9T speaker issues

Hello.
My phone fell from a short distance by about 10cm. Since then, the main speaker makes strange noises when the sound is played. I replaced the speaker with a new one, but it is still the same. What could be wrong?
Here is the video of problem:
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