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Record only caller's voice in android - Stack Overflow
https://stackoverflow.com/questions/16536031/record-only-callers-voice-in-android
VOICE_DOWNLINK Voice call downlink (Rx) audio source ; VOICE_UPLINK Voice call uplink (Tx) audio source ; See the Details here . proff link. I am using media recorder for recording call in android. But I only want to record the caller's voice.. Can this be done? As a short answer, it is impossible to record call directly in android platform so ...
Call recording using VOICE_UPLINK and VOICE_DOWNLINK
https://stackoverflow.com/questions/21606029/call-recording-using-voice-uplink-and-voice-downlink
Actually, VOICE_CALL works, at least for me on Sony Xperia Z1. I use AudioRecord to save bytes in some temporary file and then convert the temporary file to a WAV-file. I had the same problem with a stretched voice. The problem was that sampleRates parameter in the output file was less than during recording. Here is the complete code.
MediaRecorder.AudioSource | Android Developers
https://spot.pcc.edu/~mgoodman/developer.android.com/reference/android/media/MediaRecorder.AudioSource.html
Voice call uplink + downlink audio source : int: VOICE_COMMUNICATION: Microphone audio source tuned for voice communications such as VoIP. int: VOICE_DOWNLINK: Voice call downlink (Rx) audio source : int: VOICE_RECOGNITION: Microphone audio source tuned for voice recognition if available, behaves like DEFAULT otherwise. int: VOICE_UPLINK: Voice call uplink …
MediaRecorder.AudioSource - Android SDK | Android …
https://stuff.mit.edu/afs/sipb/project/android/docs/reference/android/media/MediaRecorder.AudioSource.html
Default audio source : int: MIC: Microphone audio source : int: VOICE_CALL: Voice call uplink + downlink audio source : int: VOICE_COMMUNICATION: Microphone audio source tuned for voice communications such as VoIP. int: VOICE_DOWNLINK: Voice call downlink (Rx) audio source : int: VOICE_RECOGNITION: Microphone audio source tuned for voice recognition if available, …
MediaRecorder.AudioSource - Android - API Reference …
https://www.apiref.com/android/android/media/MediaRecorder.AudioSource.html
Voice call downlink (Rx) audio source. Capturing from VOICE_DOWNLINK source requires the CAPTURE_AUDIO_OUTPUT permission. This permission is reserved for use by system components and is not available to third-party applications. Constant Value: 3 (0x00000003) VOICE_RECOGNITION Added in API level 7 int VOICE_RECOGNITION
MediaRecorder.AudioSource | Android Developers
http://www.dre.vanderbilt.edu/~schmidt/android/android-4.0/out/target/common/docs/doc-comment-check/reference/android/media/MediaRecorder.AudioSource.html
Microphone audio source : int: VOICE_CALL: Voice call uplink + downlink audio source : int: VOICE_DOWNLINK: Voice call downlink (Rx) audio source : int: VOICE_RECOGNITION: Microphone audio source tuned for voice recognition if available, behaves like DEFAULT otherwise. int: VOICE_UPLINK: Voice call uplink (Tx) audio source
How to record audio from camera? - Qt Forum
https://forum.qt.io/topic/67598/how-to-record-audio-from-camera
"Voice call downlink (Rx) audio source" "Voice call uplink + downlink audio source" "Microphone audio source tuned for voice recognition" The video capture is a headache, because on windows doesn't work and on iOS the video parameters doesn't work, so it's impossible to create a video with an uniform format. So, I've captured the video with another library, but now I …
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