Hi,
The basic elements to do echo cancellation is the loopback audio and
microphone audio. As I am working on implement an APO to do the effect
similar to the echo cancellation, to look the interface of APO, especially
APOProcess() function from the document (*1) I can get the capture data
from it, but have no idea on how to get render data (from speaker) at the
same position?
Ref:
*1:
https://docs.microsoft.com/en-us/windows/win32/api/audioenginebaseapo/nf-audioenginebaseapo-iaudioprocessingobjectrt-apoprocess
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Best regards,
-- Stanely