> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# SHAPE_FILTER_HEADROOM

> 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](/reference/audio/shapefiltvolcontext/structs/shape_filtvol_context) structure. It is also used by the [GetShapeFiltVolInputHeadroom](/reference/audio/shapefiltvolcontext/functions/getshapefiltvolinputheadroom) and [SetShapeFiltVolInputHeadroom](/reference/audio/shapefiltvolcontext/functions/setshapefiltvolinputheadroom) functions.

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

## Requirements

**Header:** shapefiltvolcontext.h

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

## See also

[ShapeFiltVolContext](/reference/audio/shapefiltvolcontext/shapefiltvolcontext_members)


## Related topics

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