5.2. Event Transitions
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## 5.2. Event Transitions

Each event in a log has a transition type, shown in the `Trans` column of the Edit Log dialog. The transition type determines what happens when one event in a log ends and the next starts. Three basic transition types can exist in a Rivendell log: `PLAY`, `SEGUE` and `STOP`.

### 5.2.1. The PLAY Transition

If an event has a `PLAY` transition, then it will begin playing when the previous event has finished. `PLAY` transitions are used when automatic event sequencing is desired with no audio overlap (such as when playing two voice-only announcements back-to-back).

### 5.2.2. The SEGUE Transition

`SEGUE` transitions are similar to `PLAY` transitions, with one key difference: if the finishing event contains segue data (either from the Library or from a custom transition programmed in the voice tracker), then the event will start before the prior event is finished, causing the two pieces of audio to overlap and mix together. `SEGUE` transitions can be a very powerful tool for creating a variety of special effects, particularly when used in conjunction with musical material.

### 5.2.3. The STOP Transition

As the name implies, `STOP` transitions cause execution of the log to be suspended prior to execution of the event. This is often the desired behavior in situations where the log playout needs to be synchronized to one or more external audio sources (such as remote satellite feeds), and is commonly used in conjunction with Hard Timed events (see Section 5.3, “Time and Time Types”).

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