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How to change call volume with …
https://stackoverflow.com/questions/55789214/how-to-change-call-volume-with-audiomanager-stream-voice-call
AudioTrack audioTrack = new AudioTrack (AudioManager.STREAM_VOICE_CALL, sampleRateInHz, AudioFormat.CHANNEL_CONFIGURATION_MONO, audioFormat, minBufferSize, AudioTrack.MODE_STREAM); But when I press the volume buttons, the volume of the "media" changes, not the "call".
AudioTrack - Android SDK | Android Developers
https://www.mit.edu/afs.new/sipb/project/android/docs/reference/android/media/AudioTrack.html
See STREAM_VOICE_CALL, STREAM_SYSTEM, STREAM_RING, STREAM_MUSIC, STREAM_ALARM, and STREAM_NOTIFICATION. sampleRateInHz: the sample rate expressed in Hertz. ... If using the AudioTrack in streaming mode, you can write data into this buffer in smaller chunks than this size. If using the AudioTrack in static mode, this is the maximum size of the ...
B4A - AudioTrack
https://www.b4x.com/android/help/audiotrack.html
Initialize2 AudioTrack: StreamType - the type of the audio stream. See STREAM_VOICE_CALL, STREAM_SYSTEM, STREAM_RING, STREAM_MUSIC and STREAM_ALARM SampleRate - 44100 is standard and should work on all devices,22050,16000.11025 and 8000 may work on some Channel config - Mono or Stereo depending on available hardware, Mono is the safe option …
Android audio system: from Audiotrack to Audioflinger ...
https://www.programmerall.com/article/53291152959/
AudioTrack::AudioTrack( audio_stream_type_t streamType, // audio stream type: such as Music, Voice-Call, DTMF, ALARM, etc. uint32_t sampleRate, // Sample rate: such as 16kHz, 44.1KHz, 48kHz, etc. audio_format_t format, // audio format: such as PCM, MP3, AAC, etc. audio_channel_mask_t channelMask, // The number of channels: such as mono (mono ...
calls - How can I play audio over an open phone ...
https://android.stackexchange.com/questions/9992/how-can-i-play-audio-over-an-open-phone-conversation
@jim, Try using AudioTrack API in Stream mode. see below code snippet AudioTrack track = new AudioTrack (AudioManager.STREAM_VOICE_CALL, mySampleRate, AudioFormat.CHANNEL_CONFIGURATION_MONO, AudioFormat.ENCODING_PCM_16BIT, myBuffersize, AudioTrack.MODE_STREAM); This should work Share Improve this answer …
Android audioManager解决MediaPlayer AudioTrack 调节音量问 …
https://www.linuxidc.com/Linux/2011-10/44660.htm
at = new AudioTrack(AudioManager.STREAM_VOICE_CALL, 44100, AudioFormat.CHANNEL_OUT_MONO, AudioFormat.ENCODING_PCM_16BIT, bufferSizeInBytes, AudioTrack.MODE_STREAM); new AudioTrackThread().start(); } } } }); stop.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if …
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