Opening and closing the car door. Two doors opening and closing, generating audio with two different tones. Audio captured with zoom h1 in my garage and no noise.
New recording of the same garage door with better microphone: https://freesound. Org/people/samsterbirdies/sounds/581601/. Recording my noisy electric garage door opening and closing. First 2 is my right door, last 2 is my left door. Recorded with a boya by-m1 through an awful phone that does garbage post processing and gain control.
Car door closing, 2003 hyundai elantra. Edited with audacity. Recorded on shock-mounted zoom h1 mic, record level 62, autogain off, gain low. Record location, inside a car in a single garage (great sound room).