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

# SHAPE_MIXBUFFER_ATTENUATION

> SHAPE_MIXBUFFER_ATTENUATION

Attenuation applied to a mix buffer for allocation.

## Syntax

```cpp theme={null}
enum SHAPE_MIXBUFFER_ATTENUATION    
{  
    SHAPE_MIXBUFFER_ATTENUATION_0_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_6_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_12_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_18_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_24_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_30_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_36_DB,  
    SHAPE_MIXBUFFER_ATTENUATION_42_DB  
}  
```

## Constants

| Constant | Description |
| - | - |
| SHAPE\_MIXBUFFER\_ATTENUATION\_0\_DB | No attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_6\_DB | 6 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_12\_DB | 12 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_18\_DB | 18 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_24\_DB | 24 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_30\_DB | 30 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_36\_DB | 36 dB attenuation. |
| SHAPE\_MIXBUFFER\_ATTENUATION\_42\_DB | 42 dB attenuation. |

## Remarks

This enumeration is used by the functions `SetCommand`,`GetAttenuationText`, `SetProperty`, and `ConvertAttenuation`. For more information about the flowgraphs used to direct the audio control processor, see [ACP Overview](https://docs.xbox.com/build/console-features/audio/overviews/acp-overview.md). For more information about the capabilities of the scalable hardware audio processing engine, see [SHAPE Overview](https://docs.xbox.com/build/console-features/audio/overviews/shape-overview.md).

## Requirements

**Header:** shapeflowgraph.h

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

## See also

[XAudio2](https://docs.xbox.com/build/console-features/audio/overviews/xaudio2-overview.md)

[shapeflowgraph](https://docs.xbox.com/reference/audio/shapeflowgraph/shapeflowgraph_members.md)


## Related topics

- [SHAPE_FLOWGRAPH_ALLOC_MIXBUFFER_COMMAND](https://docs.xbox.com/reference/audio/shapeflowgraph/structs/shape_flowgraph_alloc_mixbuffer_command.md)
- [ShapeFlowGraph](https://docs.xbox.com/reference/audio/shapeflowgraph/shapeflowgraph_members.md)
- [SetShapeAllocMixBufferCommand](https://docs.xbox.com/reference/audio/shapeflowgraph/functions/setshapeallocmixbuffercommand.md)
- [Overview of SHAPE](https://docs.xbox.com/build/console-features/audio/overviews/shape-overview.md)
- [SHAPE_FLOWGRAPH_COMMAND](https://docs.xbox.com/reference/audio/shapeflowgraph/structs/shape_flowgraph_command.md)