What technologies exist for focusing in space on a sound source?

Question

Sound processing

There are video cameras with a stereo microphone, do these cameras change the "directivity pattern" when using the zoom?
Is there a possibility in the audio editor in stereo recording to do post-processing for "audio zoom" on the sound source?
What technologies and methods are used to focus on the sound source in the case of two microphones realtime / after recording?

Answer 1

There are patented
Poly
Cisco
Huawei
Logitech
In patents, of course, garbage, but the logic can be understood