While the Web Audio API itself (and Flocking) have support for devices with multiple inputs, the Web RTC implementations in Chrome, Firefox, and Safari all seem to be limited to <= 2 channels.
Here's the Chrome bug for this issue. It's clear that many of the engineers working on Chrome don't even understand the basic use case, so it may be a long wait for this feature.
While the Web Audio API itself (and Flocking) have support for devices with multiple inputs, the Web RTC implementations in Chrome, Firefox, and Safari all seem to be limited to <= 2 channels.
Here's the Chrome bug for this issue. It's clear that many of the engineers working on Chrome don't even understand the basic use case, so it may be a long wait for this feature.