Getting audio input from a computer's audio output

1. captureSystemAudio

   1 46 47 2.8 JavaScript

   Capture system audio ("What-U-Hear")

   

   I experimented and tested considerably with this (capturing output devices on Chrome and Chromium). There are several ways to achieve the requirement in the linked GitHub repostories. I use Native Messaging to capture audio output to speakers and headphones, and/or specific sink inputs https://github.com/guest271314/captureSystemAudio/tree/master/native_messaging/capture_system_audio. I wrote the same algorithm for a Native Messaging host in Python, Bash, C, C++, Node.js, Deno, QuickJS - for the people!

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3. developer.chrome.com

   2 16 1,656 9.7 HTML

   Discontinued The frontend, backend, and content source code for developer.chrome.com

   

   Keep in mind that getDisplayMedia() does not capture all audio output to speaker or headphones, e.g., does not capture window.speechSynthesis.speak() output, which is not output via the Tab audio, see https://github.com/GoogleChrome/developer.chrome.com/issues/3957.

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