user manual

Table Of Contents
252
USING SPECTRUM ANALYSIS CHP. 17
Right-click the sonogram and choose Show Position from the shortcut menu to toggle the display of
ToolTips. The setting for each sonogram in a stereo file is independent.
If you want to display the nearest musical note equivalent of the cursor position in a ToolTip, right-click the
sonogram and choose
Show Notes from the shortcut menu:
Right-click the Spectrum Analysis window and choose Show Statistics from the shortcut menu to toggle the
display of the Statistics area at the bottom of the Spectrum Analysis window.
Updating a sonogram
A sonogram updates in the same method as a spectrum graph. For more information, see Updating a spectrum
graph on page 249.
Monitoring an input and output source
Click the Real Time Monitoring button ( ) to turn real-time spectrum analysis on or off. Click the down
arrow next to the button and choose
Monitor: Input to monitor the device selected in the Record drop-down
list on the Wave tab of the Preferences dialog (to access the Preferences dialog, choose
Preferences from the
Options menu).
Real-time output monitoring is not available in sonogram display mode. When you click the down arrow
next to the button and choose
Monitor: Output from the menu, a cursor is displayed in the sonogram to
indicate the play position.
Tuning a sonogram
It is frequently necessary to experiment with the control parameters in the Spectrum Settings dialog to
produce the best possible sonogram. For more information, see Adjusting Spectrum Analysis settings on page 253.
Improving the graphs contrast
To improve the contrast of the sonogram, decrease the frequency and amplitude ranges as much as possible.
Smoothing the graphs display
If the graph appears too pixelated, raise the Set sonogram resolution value to 200.
Improving the frequency resolution
For greater frequency resolution, choose a higher value from the FFT size drop-down list.
Reducing the processing time
To reduce processing time, decrease the Set sonogram resolution value and/or choose a lower value from the
FFT size drop-down list.
Use the cursor to display
musical note equivalent