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AutomaticGainControl | Android Developers
https://developer.android.com/reference/android/media/audiofx/AutomaticGainControl
BaseColumns; CalendarContract.AttendeesColumns; CalendarContract.CalendarAlertsColumns; CalendarContract.CalendarCacheColumns; CalendarContract.CalendarColumns
android - How avoid automatic gain control with ...
https://stackoverflow.com/questions/14377481/how-avoid-automatic-gain-control-with-audiorecord
ASR generally would benefit from pure audio as it does its own quasi-AGC in the feature vector extraction and usually is trained with noise. The document "Android 4.1 Compatibility Definition" (Sep 7, 2012), Sec.5.3 states clearly: With VOICE_RECOGNITION, Noise reduction processing and Automatic gain control "MUST be disabled."
Manage audio focus | Android Developers
https://developer.android.com/guide/topics/media-apps/audio-focus
// initializing variables for audio focus and playback management audioManager = getSystemService(Context.AUDIO_SERVICE) as AudioManager focusRequest = AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN).run { setAudioAttributes(AudioAttributes.Builder().run { setUsage(AudioAttributes.USAGE_GAME) …
Skype on android horrible AGC auto gain adjusting too high ...
https://answers.microsoft.com/en-us/skype/forum/all/skype-on-android-horrible-agc-auto-gain-adjusting/bc697281-fafb-4101-8d0c-8f17572dd2e7
Skype on android horrible AGC auto gain adjusting too high! Whenever on a skype group call, if I am silent for a minute or so, this garbage software and/or phone just keeps turning up my mic sensitivity, up and up and up, and when I finally do talk, the other parties on the call get ear*** with horribly overdriven, unintelligible noise!
[Q] App that turns off microphone AGC (Auto-Gain Control ...
https://forum.xda-developers.com/t/q-app-that-turns-off-microphone-agc-auto-gain-control.1042051/
I was right when I tried one app called "TapeMachine" which has an option to disable AGC and also has a mic gain control which is great. Once it disabled AGC the recording sound was much better. Clear and undistorted. I understand that AGC is important for phone calls but it's terrible for recording audio and video.
4.3-4.4 AOSP Camera app with Auto-gain audio | XDA ...
https://forum.xda-developers.com/t/4-3-4-4-aosp-camera-app-with-auto-gain-audio.2635410/
Is this app using a hardware based auto-gain control or is it rendering within the app? Either way, any information leading towards the development of auto-gain control in video/audio recording in AOSP android would be great help. I'm not much of a programmer but I'm willing to dig into putting work into the AOSP camera app to enable this feature.
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