The program in which you can pull the sounds of the most known formats it, each assign the hot key by pressing the desired row key and click the square , During the scene it effectively helps to control the sounds and effects, you can also adjust whether from the right or from the left column will sound a specific sound ctrl + hot key removes a break , alt + hot key puts a break. The hot key makes a restart. Use who you need. The Mini players themselves are intended to be small, as sound effects are often a lot too much and control is provided through hot keys.