Fade in indicates the fade-in time for the sound file.
A value of 0 ms means that the sound file will be played back completely. For example, a value of 100 ms means that playback will be stopped after 100 ms, regardless of how long the sound file is. For full panning, enter 'left' or 'right',
If your sample appears to be sped up (high pitch) or slowed down (low pitch), you can adjust the sampling rate of your sound file in a sound editor, or change the sampling rate used by the OpenSesame sampler backend (under 'Show backend settings and info' in the General tab). Sound files are always played back at the sampling rate that is used by the OpenSesame sampler backend. ogg files are supported if you want to use a sound file that has a different format, you can convert it using the free software Audacity. The sampler plays back a single sound file, typically from the file pool.