You can make noiseless calls using Krisp with Discord.
After you download and install Krisp, configuring with Discord is super simple.
1. Select Krisp as a microphone & speaker
Open Audio settings in Discord and select Krisp microphone and speaker.
2. Mute the Noise
Choose the correct microphone in Krisp menu. Make sure that Mute Noise toggle is turned on in Krisp UI.
The "in use" indicator will be On if there is an ongoing call.
3. Start a Discord call
Start a Discord call and enjoy a noiseless conversation.
Here's a quick video tutorial to help you along the way
Krisp with Discord on Windows