SpecFilt - Spectral Filter Tool
Help
Copy amplitude curve
Trim to selection
Remove DC offset
Normalize RMS
Load audio file
Play
Save WAV file
Window function:
Amplitude scale:
Logarithmic
Linear
Power
Max display fr. [Hz]:
Averaging mode:
SMA linear - Simple moving average over the linear spectral pressure amplitude values
SMA power - Simple moving average over the spectral power amplitude values
SMA log - Simple moving average over the logarithmic spectral amplitude values
Triple SMA (1x power + 2x log)
TMA linear - Triangular moving average over the linear spectral pressure amplitude values
TMA power - Triangular moving average over the spectral power amplitude values
TMA log - Triangular moving average over the logarithmic spectral amplitude values
FIR LP flter over the linear spectral pressure amplitude values
FIR LP flter over the spectral power amplitude values
FIR LP flter over the logarithmic spectral amplitude values
Dual FIR LP filter (2x linear)
Dual FIR LP filter (2x power)
Dual FIR LP filter (1x power + 1x log)
Spectral LP filter over the linear spectral pressure amplitude values
Spectral LP filter over the spectral power amplitude values
Spectral LP filter over the logarithmic spectral amplitude values
Averag. width [Hz]:
Averaging window:
Averag. width 2 [Hz]:
Averag. window 2:
FFT
Copy averaged curve
Processing:
Filter amplitudes
Randomize phases
Negate phases
Alternate phases
Scaling factor:
Filter type:
Low pass
High pass
Band pass
Band stop
Curve
Frequency 1:
Frequency 2:
Smoothing [Hz]:
Help
Sample rate:
Stretch factor:
Inverse FFT
iFFT + Play
Play
Save WAV file