This is doable today. Streams are mixed client-side. The downsides are compression (Opus at 96kbps is pretty good, though) and loss of audio mixing (echo cancel

This is doable today. Streams are mixed client-side. The downsides are compression (Opus at 96kbps is pretty good, though) and loss of audio mixing (echo cancellation, noise suppression) secret sauce, though this could definitely be reapplied. If this is worth money to you even with these downsides, hit me up.