Traditional Culture Encyclopedia - Photography and portraiture - Why does the slow-motion shooting of Apple have the sound of tigers whistling?

Why does the slow-motion shooting of Apple have the sound of tigers whistling?

Because this slow motion is compressed on the Aauto Quicker, and the sound inside is compressed after compression, there is a strange sound.

1080p (1920×1080, 30 fps) video recording (rear camera), 720p( 1280×720, 30 fps) video recording (front camera).