vDSP.Biquad A single- or double-precision biquadratic filter. Declarationstruct Biquad<T> where T : vDSP_FloatingPointBiquadFilterable Overview TopicsInitializersinit(coefficients:channelCount:sectionCount:ofType:)Instance methodsapply(input:)apply(input:output:) See AlsoBiquadratic IIR FiltersEqualizing audio with discrete cosine transforms (DCTs)