Nice work. PM me if you want to chat. Have you considered the possibilities with oversampling and adding more channels- now there are much cheaper 192kHz multi-

Nice work. PM me if you want to chat. Have you considered the possibilities with oversampling and adding more channels- now there are much cheaper 192kHz multi-chan ADCs on the market - these can be used with MEMS arrays. Then you can play with phase information much more freely.