Interactive vocal tract model - analysis

This is a simple spectrum/signal viewer. External spectrum viewers can be connected through JACK.

Operations:

• Change the view:
  Select "Spectrum" to view the spectrum, and "Signal" to see the time domain waveform.
• Start/stop the viewer:
  Click on "Start" or "Stop".
• Change the parameters of the spectrum:
  Select the window size and window type.
• Select the maximum frequency of the spectrum:
  The graph will show from 0 Hz to the selected frequency.
• Select the y-axis scale for the spectrum:
  Select "Linear" or "Log".
• Select the y scale limits:
  Select the minimum dB level. The graph will show from to the select level to 0 dB, if the y-axis is logarithmic.
• Change the cursor:
  Set the frequency in the text input or click on the up/down arrows. The cursor will be indicated by a blue vertical line in the graph. The cursor only appears on the spetrum.