audio - Is it possible to get access to the speaker signal on Android? -

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sending audio speaker playback on android easy, possible copy of actual final digital signal? let's have 2 apps running "myapp" , "someotherapp". app sends audio speaker, "someotherapp". "someotherapp" not app - it's 3rd party app. possible copy of mixed audio signal played speaker os? is, audio signal mixture of speaker signal app , speaker signal "someotherapp".

to summarize: looking way hook low-level audio path (hal audio stream out - after mixing!) can copy of "final" speaker signal (in real-time). optimally, hook low-level microphone path, that's less of concern right now.

looks short answer no.

longer 1 kinda. , sorta. not really, far know. option 1: might problem respects privacy. (not option) option 2: nobody thought needed, did not build system. option 3: amount of trouble shooting when programmers use wrong source not worth it.

edit - can, of course, record input.


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