> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SHAPE_FILTER_HEADROOM

> SHAPE_FILTER_HEADROOM

Headroom values for the state variable filter.

## Syntax

```cpp theme={null}
enum SHAPE_FILTER_HEADROOM    
{  
    SHAPE_FILTER_HEADROOM_0_DB,  
    SHAPE_FILTER_HEADROOM_6_DB,  
    SHAPE_FILTER_HEADROOM_12_DB,  
    SHAPE_FILTER_HEADROOM_18_DB  
}  
```

## Constants

| Constant | Description |
| - | - |
| SHAPE\_FILTER\_HEADROOM\_0\_DB | 0 dB |
| SHAPE\_FILTER\_HEADROOM\_6\_DB | 6 dB |
| SHAPE\_FILTER\_HEADROOM\_12\_DB | 12 dB |
| SHAPE\_FILTER\_HEADROOM\_18\_DB | 18 dB |

## Remarks

This enumeration is used in the [SHAPE\_FILTVOL\_CONTEXT](https://docs.xbox.com/reference/audio/shapefiltvolcontext/structs/shape_filtvol_context.md) structure. It is also used by the [GetShapeFiltVolInputHeadroom](https://docs.xbox.com/reference/audio/shapefiltvolcontext/functions/getshapefiltvolinputheadroom.md) and [SetShapeFiltVolInputHeadroom](https://docs.xbox.com/reference/audio/shapefiltvolcontext/functions/setshapefiltvolinputheadroom.md) functions.

For more information, see the [Filter/volume block (FLTVOL)](https://docs.xbox.com/build/console-features/audio/overviews/shape-overview.md#ID4EBH) section of [Overview of SHAPE](https://docs.xbox.com/build/console-features/audio/overviews/shape-overview.md).

## Requirements

**Header:** shapefiltvolcontext.h

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

## See also

[ShapeFiltVolContext](https://docs.xbox.com/reference/audio/shapefiltvolcontext/shapefiltvolcontext_members.md)


## Related topics

- [GetShapeFiltVolInputHeadroom](https://docs.xbox.com/reference/audio/shapefiltvolcontext/functions/getshapefiltvolinputheadroom.md)
- [SetShapeFiltVolInputHeadroom](https://docs.xbox.com/reference/audio/shapefiltvolcontext/functions/setshapefiltvolinputheadroom.md)
- [ShapeFiltVolContext](https://docs.xbox.com/reference/audio/shapefiltvolcontext/shapefiltvolcontext_members.md)
- [SHAPE_FILTVOL_CONTEXT](https://docs.xbox.com/reference/audio/shapefiltvolcontext/structs/shape_filtvol_context.md)
- [SHAPE_FILTER_MODE](https://docs.xbox.com/reference/audio/shapefiltvolcontext/enums/shape_filter_mode.md)