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Not a simple task and unlikely to work on all phones. You can use PhoneEvents with a foreground service to monitor the phone state. When there is an incoming call use AudioStreamer to record the MIC source: https://developer.android..AudioSource.html#MIC
link: I guess that you want to capture the voice_call channel: https://developer.android..AudioSource.html#VOICE_CALL It is not available to non-system apps
link: It is the incoming voice I want to record, suppose AudioStreamer too .... Thanks for your quick reply Erel.

Are you able to capture audio from the headset with one of the other values: https://developer.android..AudioSource ? If so then you can use two AudioStreamer objects.
link: Hello, I want top use a Bluetooth headset with AudioStreamer. I'm doing the initialization using HeadsetStreamer.Initialize2(VOICE_COMMUNICATION,"Head
link: No, the mic from the BT headset is not used with any possible values accepted for the rec device in AudioStreamer, even if I activate SCO. More, if an

AudioStreamer captures audio from the microphone. The available sources are listed here: http://developer.android..AudioSource.html You can't capture the internal streams.
link: Hi masters i was trying to record a sound using Audio Library v1.5 - New AudioStreamer Object and it works fine but there seems to other sounds coming

End Sub Sub Activity_Create(FirstRun As Boolean) streamer.Initialize streamer.OutputFormat = AudioStreamer.OutputFormatDefault streamer.AudioSource = AudioStreamer.AudioSourceDefault Dim recordButton As Button recordButton.Initialize recordButton.Text = "Record" Ac

An AudioStreamer object must be inizialized, not the Audio library itself. I don't know the library; try searching: https://www.b4x./?query=audiostreamer+audiosource
link: I've noticed that you are re-using the same audiostream object in your init code. Have you tried dim'ing a new one, initializing it and then assigning
link: Dim'ing a new object should take care of the reset(), since now the old audioStreamer object is just not used anymore. I do not know if the old audioS
link: No clue if it is related, but looking at the state diagram of MediaRecorder (https://developer.android.), there are many situations in which reset() s

Did you read this about the constants of Audio-Source? https://developer.android..AudioSource.html The mode 7 is interesting. But I have to tell you, I never used AudioStreamer with Initialize2 I'm again not 100% sure, that I understand your code, but why do you sent any Bytes to the (first) AudioS
link: Hello Yes, I use two objects, one for playback and one for recording, but the sound is reflected Sub Service_Create audioStream2.Initialize("Audio
link: Playing and recording at the same time will be problematic. The microphone will capture the speakers output.
link: Hello everyone I use this code to record audio and play audio But my own voice repeats itself what's the reason? audioStream.Initialize("AudioS

Start with this example: https://www.b4x.-library-v1-5-new-audiostreamer-object.30550/ Call Initialize2 instead of Initialize and pass 4 (or try other values) for the audio source. http://developer.android..AudioSource.html#VOICE_CALL
link: The AudioSource Value 4 is invalid and was not found
link: hi i am searching in the forum for any help how to record an incoming call. what i have uderstood is that i need to use AudioStreamer but not everyth

SimpleExoPlayer should be a process global variable. Example of video playback from an asset file (same exact code will work with audio files as well): Sub Process_Globals Private player1 As SimpleExoPlayer End Sub Sub Globals Private SimpleExoPlayerView1 As SimpleExoPlayerView End Sub Sub
link: ?as=fmp4_audio_clear,fmp4_sd_hd_clear&sparams=ip,ipbits,expire,source,id,as&ip=0.0.0.0&ipbits=0&expire=19000000000&signature=.&key=ik0")) sources
link: vi.Prepare(vi.CreateDashSource(act)) 'Error: com.google.android.exoplayer2.ParserException: inputStream does not contain a valid media presentation de

I'm not familiar with AndroidVideoCapture. It is worth trying it with AudioStreamer. It allows you to choose the audio source (one of the values listed here: https://developer.android..AudioSource.html).
link: For what I can understand AudioStreamer is focused on Audio Rec/Play. I am analyzing AndroidVideoCapture because my target is a Video (and audio) reco

its seems when i use audio source 7 "VOICE_COMMUNICATION" the echo reduced when i test it on api 11 and above audiostream.Initialize2(7, "audiostream", cSAMPLE_RATE, True, cBitsPerSample, audiostream.VOLUME_MUSIC) as the documentation refer in android developers website https://developer.android.
link: The webrtc echo cancelation library aren't ready enough to be used with audio streamer It should be used in recording buffer event to filter the audi

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