In the audio titled "Shriek", a chilling, spine-tingling sound effect is heard that sends a wave of cold goosebumps down one's spine. The audio starts off with a faint, eerie whisper, gradually building up into a high-pitched, blood-curdling shriek that echoes in the listener's ears long after it ends. The shriek is sharp and piercing, breaking through the silence with an intensity that is capable of raising the hairs on the back of one's neck. Underneath the main shriek, there are subtly layered sound effects, adding depth and enhancing the overall creepy effect. These sounds blend together to form an audio that is both startling and captivating, serving its purpose of creating a chilling atmosphere.