# OpenAudioFolio

Opens the Audio folio.

### Synopsis

`Err OpenAudioFolio (void)`

### Description

This function connects a task to the Audio folio and must be executed by each task before it makes any Audio folio calls. If a task makes an Audio folio call before it executes `OpenAudioFolio()`, the task fails.

Call `CloseAudioFolio()` to relinquish a task's access to the Audio folio.

### Arguments

None

### Return Value

The function returns a non-negative value if successful or an error code (a negative value) if an error occurs.

### Implementation

Library call implemented in audio.lib V20.

### Associated Files

audio.h

### See Also

``CloseAudioFolio`()`