Background Noise Remover lowers fans, hum, hiss, wind and traffic behind spoken voice in audio files and videos. Hear the first 30 seconds of your own recording cleaned with no account, compare the original and cleaned sound, and pick the Full or Gentle setting. For video, only the audio track is uploaded; the picture stays on your device. Takes MP3, WAV, FLAC, M4A, AAC, OGG, MP4, MOV and WebM files up to 2 GB and 60 minutes.