Dear client,
I have carefully read your requirements and am ready to program it for you using Java,NodeJS.I am an expert in Java and NodeJS and assure to complete it for you .
1) Read Audio output from a computer (not using mic) but the speaker output
2) Must work on Windows, MacOS and Linux
3) Programme needs to read the audio and should expose the audio stream via HTTP audio so another client can stream via a browser.
Please do message me for further discussion.
Thanks,
Ashwanth