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# ACP_MESSAGE_AUDIO_FRAME_START

> ACP_MESSAGE_AUDIO_FRAME_START

# ACP\_MESSAGE\_AUDIO\_FRAME\_START

*Audio frame start* message.

## Syntax

```cpp theme={null}
typedef struct ACP_MESSAGE_AUDIO_FRAME_START {  
    UINT32 audioFrame;  
} ACP_MESSAGE_AUDIO_FRAME_START  
```

### Members

*audioFrame*\
Type: UINT32

Audio frame index.

## Remarks

This structure is used in the [ACP\_MESSAGE\_TYPE](/reference/audio/acphal/enums/acp_message_type) enumeration. It is also used in the `ACP_MESSAGE_TYPE_AUDIO_FRAME_START` message. The message indicates the start of an audio frame.

## Requirements

**Header:** acphal.h

**Supported platforms:** XBOX One family consoles and XBOX Series consoles

## See also

[ACP\_MESSAGE\_TYPE](/reference/audio/acphal/enums/acp_message_type)\
[AcpHal](/reference/audio/acphal/acphal_members)


## Related topics

- [ACP_MESSAGE](/reference/audio/acphal/structs/acp_message.md)
- [AcpHal](/reference/audio/acphal/acphal_members.md)
- [ACP_MESSAGE_TYPE](/reference/audio/acphal/enums/acp_message_type.md)
- [ACP_MESSAGE_COMMAND_COMPLETED](/reference/audio/acphal/structs/acp_message_command_completed.md)
- [ACP overview](/build/console-features/audio/overviews/acp-overview.md)