Echo Cancelling does not work on Android

[harshitdb3]

Hi,

I'm encountering an issue with Echo Cancellation (AEC) on Android. Even with AndroidMicrophoneProvider to leverage hardware capabilities, the echo cancellation does not seem to be working.

The Setup:

Platform: Android
Output: Device Speaker / Hands-Free
The Issue: When the device generates sound (e.g., AI response), that audio is being fed back into the microphone input. The system hears its own output, triggering the VAD (Voice Activity Detection) and causing an infinite loop of the AI responding to itself or getting interrupted.

Has anyone successfully implemented hardware AEC with plugin provided?

Thanks

[uezo]

Hi @harshitdb3 ,

Echo cancellation can be pretty dependent on the situation. For example, if the device is placed directly on a desk, reflected sound might not be treated properly as echo and can end up being picked up by the mic. Holding the device in your hand, or placing something that absorbs sound (like a handkerchief or some kind of cloth) underneath it, can help reduce this.

Do you think something like that could be happening in your case? Could you share a bit more detail about the conditions where AEC doesn’t seem to work well?