What is the name of the echo effect in the Pink Floyd song take it back?

The echo effect in Pink Floyd's song "Take It Back" is often referred to as the "ping-pong delay" or "slapback echo." This effect creates a spatial and dynamic sound by bouncing the audio signal back and forth between the left and right channels, enhancing the song's atmospheric quality. It contributes significantly to the immersive listening experience characteristic of Pink Floyd's music.