I guess that the low bandwidth is the cause of JackPair [0] silently failing on Kickstarter... Which is a pity, I really cheered for this project. Does anyone

I guess that the low bandwidth is the cause of JackPair [0] silently failing on Kickstarter... Which is a pity, I really cheered for this project. Does anyone know of any acoustic coupler implementations that actually let you smuggle data over voice?