| TAPIEx ActiveX Control v3.5 |
IWaveAnalysis interface implements accurate real FFT on audio
wave-form. With help of it , it can detect the custom tone (such as busy, ring-back
or.... of different countries) on phone line.
| Properties | Description |
|---|---|
| FFT_Window | Sets/returns the FFT_Window type. |
| AmplitudeThreshold | Sets/returns the amplitude threshold in dB. (default value:-25.0dB) |
| SilenceThreshold | Sets/retrurns the silcense threshold in percent. (default value:4%) |
| Methods | Description |
|---|---|
| GetFreqDBArray | Obtain the amplitude of a set of frequencies(FFT result set). |
| GetfrequencyDB | Get the amplitude of a given frequency. |
None.