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STM32F7 HS USB Audio Issue

Question asked by teng.feng on Aug 21, 2017

I browsed the forum it looks like people already asked this question but no clear answer has been posted.
Like others, I am able to run the USB FS Audio example on Disco board (746) but it gets into "Incomplete ISO Interrupt" error on HS mode.
I recall at somewhere it says HS Audio is not supported. I'd like to know if it's a software issue that can be solved in the future or a hardware one?
'Cuz at this moment I need to decide whether to work around this by using a 3rd party I2s to USB bridge chip on my schematic -- if STM is really that bad,
or it CAN be worked out and save me some production cost.