（怎么样）我可以获得从我的电脑没有产生的麦克风录下的所有声音流吗？ （使用PulseAudio或其他）

I've been playing around with some speech-to-text and text-to-speech systems, and am running into the problem that when the computer makes sounds that it can recognize, it starts taking commands from itself. To avoid this, I'd like a stream of all sounds picked up by the microphone that were not produced by the computer itself. I've been playing around with some speech-to-te