A heartbeat & body sound effect, generated with audiocpp-stable-audio-3-sfx from the prompt below. Copy the prompt, change a word and generate your own version.
heartbeat slowing gradually and weakening until it stops, deep internal thumps spacing out, dark and quiet
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.