mel

type FilterBank struct {
	NFilters    int     `view:"+" def:"32,26" desc:"number of Mel frequency filters to compute"`
	LoHz        float64 `view:"+" def:"120,300" step:"10.0" desc:"low frequency end of mel frequency spectrum"`
	HiHz        float64 `` /* 160-byte string literal not displayed */
	LogOff      float64 `` /* 206-byte string literal not displayed */
	LogMin      float64 `view:"+" def:"-10" desc:"minimum value a log can produce -- puts a lower limit on log output"`
	Renorm      bool    `desc:" whether to perform renormalization of the mel values"`
	RenormMin   float64 `` /* 150-byte string literal not displayed */
	RenormMax   float64 `` /* 150-byte string literal not displayed */
	RenormScale float64 `view:"-" desc:"1.0 / (ren_max - ren_min)"`
}

type Params struct {
	FBank  FilterBank `view:"inline"`
	BinPts []int32    `view:"-" desc:" mel scale points in fft bins"`
	HzPts  []float64  `view:"-" desc:" mel scale points in hz"`
	MFCC   bool       `view:"+" def:"false" desc:" compute cepstrum discrete cosine transform (dct) of the mel-frequency filter bank features"`
	Deltas bool       `view:"+" def:"false" desc:" compute the MFCC deltas and delta-deltas"`
	NCoefs int        `viewif:"MFCC" def:"13" desc:" number of mfcc coefficients to output -- typically 1/2 of the number of filterbank features"` // Todo: should be 12 total - 2 - 13, higher ones not useful
}