I’m looking for Sipeed R6+1 Micorphone Array Spec, and found nothing in a path
HOME/MAIX/Specification%28PDF%29
or
Home/MAIX/HDK/Sipeed-R6+1_MicArray
or
https://dl.sipeed.com/MAIX/HDK/Sipeed-R6%2B1_MicArray_11.16
Could anyone give me a suggestion where can I get them?
Thank you.