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# vDSP_BiquadFunctions Implementations

## Topics

### Type Methods

[`static func applyMulti(setup: vDSP_biquadm_SetupD, pInputs: UnsafeMutablePointer<UnsafePointer<vDSP.VectorizableFloat.Scalar>>, pOutputs: UnsafeMutablePointer<UnsafeMutablePointer<vDSP.VectorizableFloat.Scalar>>, count: vDSP_Length)`](/documentation/Accelerate/vDSP/VectorizableFloat/applyMulti(setup:pInputs:pOutputs:count:))

[`static func applySingle<U, V>(source: U, destination: inout V, delays: UnsafeMutablePointer<vDSP.VectorizableFloat.Scalar>, setup: vDSP_biquad_Setup, sectionCount: vDSP_Length, count: vDSP_Length)`](/documentation/Accelerate/vDSP/VectorizableFloat/applySingle(source:destination:delays:setup:sectionCount:count:))

[`static func destroySetup(channelCount: UInt, biquadSetup: OpaquePointer)`](/documentation/Accelerate/vDSP/VectorizableFloat/destroySetup(channelCount:biquadSetup:))

[`static func makeBiquadSetup(channelCount: UInt, coefficients: [Double], sectionCount: UInt) -> OpaquePointer?`](/documentation/Accelerate/vDSP/VectorizableFloat/makeBiquadSetup(channelCount:coefficients:sectionCount:))

---

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