sig
val cosine : Complex.t array -> unit
val hann : Complex.t array -> unit
val hamming : Complex.t array -> unit
val lanczos : Complex.t array -> unit
val triangular : Complex.t array -> unit
val bartlett_hann : Complex.t array -> unit
val blackman :
?alpha:float -> Audio.Mono.Analyze.FFT.t -> Complex.t array -> unit
val nuttall : Audio.Mono.Analyze.FFT.t -> Complex.t array -> unit
val blackman_harris : Audio.Mono.Analyze.FFT.t -> Complex.t array -> unit
val blackman_nuttall : Audio.Mono.Analyze.FFT.t -> Complex.t array -> unit
end