athena-signal(1)-音頻鏈路

athena-signal是北京滴滴公司開源的音頻前處理代碼，包括了Acoustic Echo Cancellation(AEC), High Pass Filter(HPF), Direction Of Arrival(DOA), Minimum Variance Distortionless Response(MVDR) beamformer, Generalized Sidelobe Can

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