Jälkikohina
Jälkikohina, meaning "aftermath noise" or "residual noise" in Finnish, refers to sounds that persist or are perceived after an initial event or stimulus has ceased. This phenomenon can manifest in various contexts, from acoustics and audio engineering to psychological and even physiological experiences. In acoustics, it might describe the lingering resonance of a sound in a space or the tail end of a recorded audio signal. This can be a desirable effect, contributing to the ambiance of a recording, or an undesirable artifact that needs to be reduced through signal processing.
Psychologically, jälkikohina can describe the way a strong auditory experience, such as a loud bang or a