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# vDSP_biquadm_ResetStateD

Resets the filter state of a double-precision multichannel biquadratic IIR filter object.

```
extern void vDSP_biquadm_ResetStateD(vDSP_biquadm_SetupD __setup);
```

## Discussion

This function is the same as <doc://com.apple.documentation/documentation/kernel/1579974-vdsp_biquadm_resetstate> except for the type of the `setup` object.

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