adelay¶

Delay second channel by 0.5 seconds:

[me@host: ~]$ ffplay snd.wav -af "adelay='0|500'"

Delay first channel by 1.5 seconds:

[me@host: ~]$ ffplay snd.wav -af "adelay='1500|0'"

enable is supported:

[me@host: ~]$ ffplay snd.wav -af "adelay='0|500':enable='between(t, 0, 2)'"