ro 

Bitmap (TCustomBitmapSonogram)

ro 

CurrentSlice (TCustomSonogram)

Direction (TCustomBitmapSonogram)

FFTOrder (TCustomSonogram)

Logarithmic (TCustomSonogram)

LowerFrequency (TCustomSonogram)

MaximumLevel (TCustomSonogram)

MinimumLevel (TCustomSonogram)

Moving (TCustomSonogram)

OverlapFactor (TCustomSonogram)

SampleRate (TDspSampleRatePersistent)

pt 

ro 

UpdateCount (TNotifiablePersistent)

UpperFrequency (TCustomSonogram)

WindowClass (TCustomSonogram)

ro 

WindowFunction (TCustomSonogram)