3D audio effect
（重定向自Spatial sound）
![A sound is placed in the horizontal plane by processing the sound with recorded head-related impulse responses.](/Images/godic/202502/12/Hrir_binaural_synthesis5919.png")
3D audio effects are a group of sound effects that manipulate the sound produced by stereo speakers, surround-sound speakers, speaker-arrays, or headphones. This frequently involves the virtual placement of sound sources anywhere in three-dimensional space, including behind, above or below the listener.