---
title: vDSP_biquad2_ResetState
framework: Kernel
role: symbol
role_heading: Function
platforms: [macOS 10.9+]
path: kernel/1532215-vdsp_biquad2_resetstate
---

# vDSP_biquad2_ResetState

Resets the filter state of a single-precision stereo biquadratic filter object.

## Declaration

```occ
void vDSP_biquad2_ResetState(vDSP_biquad_Setup);
```

## Parameters

- `Parameter 0 `: The biquadratic filter object that the function resets.

## See Also

### Biquadratic Infinite Impulse Response (IIR) Filters

- [vDSP_biquad2](kernel/1532195-vdsp_biquad2.md)
- [vDSP_biquad2_CreateSetup](kernel/1532224-vdsp_biquad2_createsetup.md)
- [IIRChannel](kernel/iirchannel.md)
- [vDSP_biquad2_CopyState](kernel/1532220-vdsp_biquad2_copystate.md)
- [vDSP_biquad2_DestroySetup](kernel/1532201-vdsp_biquad2_destroysetup.md)