Noise may be caused by the physical environment or recording and playback devices rather than the SDK.

Step 1: Self-check

Check the following:

Step 2: Contact Agora Customer Support

If the issue persists, contact Agora customer support and submit the issue with the following information:

MandatoryThe name of the channel where the noise occurs.
The uid of the user who causes the noise.
The recording files, if available.
AdditionalThe time frame during which the users hear the noise.
If the issue remains after rejoining the channel.
If the device test result is normal on macOS or Windows.
If the noise is consistent, or only when you speak and disappears when the remote user speaks.