Adjust subtitle delay in VLC media player tip

In VLC media player, the subtitle delay can be adjusted by using the HOTKEYS (as configured in Settings->Preferences->Interface->Hotkeys settings, Advanced options).

Default keys are:

Subtitle delay up: Ctrl h (increase the delay of subtitle)
Subtitle delay down: Ctrl j (decreases the delay of subtitle)

The above key combination's has to be applied while the video is in progress. For every keystroke a delay of 50 millisecond is added/subtracted.