| Class | Package | Description | |
|---|---|---|---|
| CountDown | com.SeiON.Core | A countdown timer that will trigger TimerEvent when it is done. | |
| ISeionControl | com.SeiON.Core.Interface | Basic features that a sound manipulating object should have. | |
| ISeionInstance | com.SeiON.Core.Interface | Additional playback features for SeionInstance and its derivatives. | |
| Seion | com.SeiON | Global sound control over whole of SeiON. | |
| SeionClip | com.SeiON | The simplest way to play a sound. | |
| SeionEvent | com.SeiON.Event | An event fired by SeiON. | |
| SeionExample | com.SeiON.Extras | An example class that demarcates how to create custom seion sound objects. | |
| SeionGroup | com.SeiON | In charge of organising SeionClips, their playback and properties. | |
| SeionInstance | com.SeiON.Core | The base class that all sound-playing Seion classes must inherit. | |
| SeionPitch | com.SeiON.Extras | An ISeionInstance that can adjust pitch, and change starting offset, truncation, by specifying a byte range. | |
| SeionSample | com.SeiON | An ISeionInstance that plays gap-less looping MP3 sounds via specifying sample range. |