The SpectumView is
graphic ActiveX control that features displaying the waveform in different styles.
Volume Indicator style
SpectumView Control is very easy to use. Users only need to select the style or color in design time. It can be associated with our WaveEx or TAPIEx controls and draw the graphic automatically. You can also feed it with the RAW PCM audio data directly.
SpectumView control can be used or distributed with our WaveEx or TAPIEx in FREE. It is included in the trial package of WaveEx, PhoneToneDecoder or TAPIEx.