Record in a quiet environment
Turn off fans, AC, and other appliances
Use a directional or noise-canceling microphone
Place the microphone close to the speaker
Use a pop filter or windscreen
Reduce gain to avoid amplifying background noise
Record at a higher sample rate and bit depth
Apply noise reduction in audio editing software
Use a noise print or noise profile tool
Remove hum with notch filters
Use a high-pass filter to cut low-frequency rumble
Apply a low-pass filter if needed
Use spectral editing to remove unwanted sounds
Gate or expand the audio to reduce quiet background noise
Separate voice from background using AI audio tools
Re-record noisy sections when possible
Sync cleaned audio back to the video
Export with appropriate audio settings to preserve quality