Redmi Note 4 (3Gb Indian version) Audio Recording problem - Xiaomi Redmi Note 4 Questions & Answers

Audio in video/sound recordings is bad. Tried various camera and sound recorder apps. Voice volume level keeps going up and down and some random noise appears in recording. Also tried to put tape on secondary mic and recording in portrait/landscape mode. Nothing helped.

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record audio through camcorder mic

i can't seem to record audio through the camcorder microphone using any audio recording apps (i've tried easy voice recorder, recforge and field recorder) though the sound is fine through that microphone when i record video using the camera.
when i use an audio recording app, the sound through that microphone is just garbled, glitchy mess. i get the same results whether i record in stereo or mono, and in both stock rom and custom roms.
i used to use my old i5800 as a sampler all the time using easy voice recorder, and never had problems.

Hello, i'm having a weird issue with my phone's mic.

Hello, first I want to apologize for my english, it's not my first language but I will try my best.
Well, I have a Blu Life 8 XL with KitKat 4.4.2 (I updated it to Lollipop, then the mic issue starts... I restored factory default config and now its on KitKat again) and after 2 weeks my mic stopped working. I tried everything on the net to fix it but nothing seems to work (disabling noise reduction, cleaning the mics, the paper on the back of the battery that works on nexus 5, disabling google search, etc).
Making tests with the phone's sound recorder I suddenly found this:
When I record something the app seems to be recording (the needle moves just as if the mic capture the sound) but when I play it only noise comes out (like ground noise, static noise).
But if I plug my earphones and play the same recording, now I can hear what I recorded, so the mic is not the problem I guess.
If I record something with the earphones mic, I can hear it with the earphones, or the phone speaker.
Also when calling, I must use the loudspeaker or the earphones becouse otherwise people can't hear me.
Any recomendation, help or something?

Mic not recording high frequencies - any fix?

Hi, I just got a Redmi 3 Pro today, and when testing out the phone all around, and I noticed the internal microphone doesn't record frequencies post 10kHz,
I tried several apps with the internal microphone, set to 48kHz and/or 44kHz if allowed: the internal recorder app, Sony's app, Easy Voice Recorder, the video camera, and none of them were able to record post-10kHz audio, as if there is a low-pass filter.
Connecting a headset microphone with one of those 3.5mm earbuds however, allowed it to record the full frequency to ~22kHz.
I'm wondering if this happens to anyone else, and else or otherwise, does anyone has a fix for this?

Recording in stereo

Hi!
How to use two microphones in a sound recording?
For Redmi Note 3 there was a patch for disabling noise reduction and turning the recording in stereo.
It contained the files "MTP_General_cal.acdb, MTP_Global_cal.acdb, e.t.c., which I replace on the redmi note 5.
I managed to get stereo, but it had a negative effect on recording voice messages in messengers.
Who can help me?

Audio recording quality

Hello, I've got my Poco, coming from Samsung Note 5. Have been loving many aspects, but I have tried audio recording (with Recforge app) and the audio is very distorted and with a lot of treble. Auto gain is not working also, apparently.
Any way to tune recording quality? Thanks

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