Hi Team
Two core board A board and B board, DSP software, hardware are all the same.
Use function: 8-way IIS input, choose one USB output, A board USB output recording sound clear and normal. B board is noisy.
nput signal is real-time environment collection, that is, input large and small, are noisyov1-dsp-dvk_SCH(1)_看图王.pdf
Please help to check whether the material is damaged. thank you
Best
Dora