A sci-fi sound effect, generated with audiocpp-stable-audio-3-sfx from the prompt below. Copy the prompt, change a word and generate your own version.
spaceship engine drone, sustained low mechanical hum with a metallic edge, subtle pulsing rhythm, 3 seconds, roomy
Generated with audiocpp-stable-audio-3-sfx. These models respond to material, action and space, so the most useful edit is usually swapping one concrete noun for another.