I want to Stram the voice using esp 32 via Bluetooth to the (bluetooth headset) with delay (0-250) ms, (0 ms) it is meaning Real-time. Also, I want to change freq. or Pitch (Steps -4 to 4). and i want to control parameters (delay, Pitch and voulume) also send sample and battery percantage via bluetooth using mobile app. (android).
Hi, I've been working and completed a Bluetooth based audio steaming project based on ESP32, so I think I can help you with your project. The data sending over BT could be done via BLE.