Internal audio recording on Samsung/LG phones - General Questions and Answers

Mobizen offer Samsung/LG specific versions of their app that allow for internal audio recording, which is not normally available on non-rooted Android phones. How exactly do they do this? I'd like to do the same in my own app.

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Wav/MP3 recording apps not working..help!

I am a musician and I came from an EVO. As part of my practice regimen I have used certain programs to record myself to help refine my performances. For some reason many or all of the recording apps that are available on the market place don't work. I am not sure if it is has something to do with the samsung audio drivers; but frequently, audio is distorted or drops out in the middle, levels can't be set or apps record nothing at all. My EVO didn't have this problem...what gives?
Does anyone have any insight into this problem?
I have Used
Hertz
BMS recorder Lite
Rehearsal Assistant
Droid Recorder
Pocket DJ lite
Make a video instead. Do the apps that you are trying to use have specific features you're looking for?

[Q] WhatsApp Audio Quality Record Solution

Hello,
With some devices, whatsapp audio record looks very awful, almost unlistenable. I know that the app provide some compression over the file to save bandwith, but the strange thing is that with other devices(Sony, Apple, etc...) the sound quality is just great. With this, i have 2 theories about it:
1- There must be a file with audio profiles that the app could use, just like media_profiles.xml that tells output, bitrate, etc, or...
2- Whatsapp is using a "generic" audio record method, not getting advantage of other audio options the device could offer.
The only problem with the second theory is that if you record a video throught the own app/3rd party, the audio is very clear and good.I've tried to look over system/, data/, etc/ and libs/ to see if there's any file that could lead to solution but nothing came.
Please, someone consider some further investigation about this issue, with i believe many people faces this.
Thank you.

[Q] EIS in third party camera app

Hello,
I'm using Background Video Recorder regularly as a secret recording tool and I'm in dilemma for buying the Google Pixel phone as a new smartphone.
I want to know if the Electronic Image Stabilization will work. The question is valid for other camera apps which can record video.
Thanks!
No one knows or willing to try?:crying:
Personally, I'm hesitant to contribute to spying apps. I realize that there are probably legitimate uses but I know of more than a few less savory needs for a camera that records without looking like it is recording. I only hope you represent the former and not the latter. I bring this up only to potentially explain why other folks may have remained silent like I did.
EIS only works in stock camera app. Annoying for me because stock camera app doesnt seem to support external microphones via aux or usb, so I can't use EIS in Cinema FV5 when using a mic.

Facetime recording

Hi guys
We are looking to capture screen recording of Facetime or other audio/visual call services (Skype, whatsapp, etc.). We're creating a video that uses footage from an iPhone screen of people having a video call.
Unfortunately the new screen record feature on iOS 11 doesn't allow for audio capture. Once you open Facetime or other apps (the Facetime mic overrides the mic used to capture audio in screen record).
As it stands we've used Quicktime, Apowersoft and the new screen record feature to variously capture recordings of facetime. However almost every time there is an issue with audio.
Wondering if anyone has any experience of this and might know how to capture the video and audio directly onto the iPhone without having to use a Mac or external mic?
You are on the wrong site for that. We don't do anything with Apple here. Only android and windows based stuff.

Is there a way to divert -or spoof- a device's microphone input as internal audio? (e.g. Get internal audio as if it was getting picked up by the mic)

Would there be a way to either:
Have my device recognize internal audio (e.g. a YouTube video playing) as if it was audio picked up by its microphone, maybe with some kind of dev settings?
I know GPS can be spoofed in the developer settings, so would it be possible to spoof the microphone input and divert it as internal audio so that the device could for example transcribe a video's audio into text with an app that picks up the audio as if it was coming from the microphone (e.g. Google Translate / Google Recorder)?
Most of the workarounds I've seen meant using the phone speakers to output the sound to then be picked back up by the microphone, which would be both inconvenient (e.g. in public transports or any place that has too much ambiant noise for this to work) and pretty ridiculous to transform digital to analog, output it to record it back in analog and transform it back into digital.
It simply doesn't make a lot of sense to me looking at it this way.
Hence why I would be interested to know if there's a way to make this work either through something available in accessibility settings/developer mode/ or any kind of mod that requires root.
wbs_perso said:
Would there be a way to either:
Have my device recognize internal audio (e.g. a YouTube video playing) as if it was audio picked up by its microphone, maybe with some kind of dev settings?
I know GPS can be spoofed in the developer settings, so would it be possible to spoof the microphone input and divert it as internal audio so that the device could for example transcribe a video's audio into text with an app that picks up the audio as if it was coming from the microphone (e.g. Google Translate / Google Recorder)?
Most of the workarounds I've seen meant using the phone speakers to output the sound to then be picked back up by the microphone, which would be both inconvenient (e.g. in public transports or any place that has too much ambiant noise for this to work) and pretty ridiculous to transform digital to analog, output it to record it back in analog and transform it back into digital.
It simply doesn't make a lot of sense to me looking at it this way.
Hence why I would be interested to know if there's a way to make this work either through something available in accessibility settings/developer mode/ or any kind of mod that requires root.
Click to expand...
Click to collapse
A lot of android devices have to use a PC/Laptop to capture internal audio, these devices can not capture the internal audio themselves, they weren't built with the capability, it has to be done externally. It depends on your specific device model number and your android version. Some devices can capture internal audio from within the device itself using a feature that is built-in. If it is possible to capture internal audio from within the device itself, a Google search for:
"Capture internal audio (your model number&android version)"
Should render some kind of useable results.
Have my device recognize internal audio (e.g. a YouTube video playing) as if it was audio picked up by its microphone
Click to expand...
Click to collapse
Playstore -
Internal Audio Recorder - Screen & Audio Recorder apk
I use it to copy youtube or any other video & songs as mp3, copies are quite as original.
In case thats what you meant.
Edit:
Pls ignore the answer, I didnt understand the question well sorry.
Droidriven said:
A lot of android devices have to use a PC/Laptop to capture internal audio, these devices can not capture the internal audio themselves, they weren't built with the capability, it has to be done externally. It depends on your specific device model number and your android version. Some devices can capture internal audio from within the device itself using a feature that is built-in. If it is possible to capture internal audio from within the device itself, a Google search for:
"Capture internal audio (your model number&android version)"
Should render some kind of useable results.
Click to expand...
Click to collapse
I know that my device can capture internal audio with the integrated Screen Recorder app at least.
Spoiler: Specs
Device: OnePlus 5T
ROM: OOS 10.0.1
Android 10
Magisk 24.3
But what I'm searching for is a way to use that internal audio capability of my device to act as if it was a microphone stream since most of the apps that I found to either transcribe or recognize audio (e.g. Google Translate / Google Recorder or Shazam) don't have a setting to choose which input stream they "listen" to.
interesting..

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