Noise: unwanted sound, interference, or disturbances in audio, images, or signals. Can also be used figuratively for disruptive information.
録音にノイズが入って歌詞が聞き取りにくい。
There's noise in the recording, so the lyrics are hard to hear.
カメラの設定が悪くて画像にノイズが出ている。
The camera settings are bad, so the image has a lot of noise.
電波のノイズでラジオの音が途切れる。
Radio sound cuts out because of radio-frequency noise.