smarttalk/2_way_Tochie: Development board: Waveshare ESP32-S3-AUDIO-Board SDK: ESP32 ADF Objectives: Auto answer SIP call Acoustic Echo Cancellation - shall have no echo using built-in louder speaker Noise reduction with far-field microphone array – pick up audio clearly at least 2 meters away @ double-mic - Tochtech Git Service

Kathy Zhu b268684e78 updated from single to dual microphone on esp		vor 3 Wochen
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sip.c	b268684e78 updated from single to dual microphone on esp	vor 3 Wochen
sip.h	b268684e78 updated from single to dual microphone on esp	vor 3 Wochen