Godafoss Audio Spectrum Waterfall QRSS CW FSKCW for Pc

1. Speedup allows multiple FFTs to be run on the same set of audio samples, shifted slightly in time, This can be useful when a larger FFT size is required, but the signal rate demands a faster update rate on the waterfall.

2. Godafoss displays a waterfall of the audio spectrum, letting you view QRSS CW, DFCW, FSKCW, and other slow transmission speed signals.

3. You can pan the range of audio frequencies by touching the screen and sliding with your finger, in the same direction as the frequency axis.

4. Note that making changes to any of these settings only affects newly received audio, previously received audio already displayed on the waterfall is not affected.

5. A frequency axis is displayed to the right or bottom of the screen, depending on the direction the waterfall is running.

6. The window modifies the received audio data to reduce what is called “leakage” from non periodic signals.

7. The first two are sliders that set the minimum and maximum audio levels for the waterfall colors.

8. If you don’t want to accidentally change the frequency range, tap the Lock button so it is highlighted.

9. Panning and pinch/zoom will not affect the frequency range, so you don’t accidentally change them.

10. Higher values provide better frequency resolution, but update more slowly, and can smear faster signals.

11. Leakage smears the signal over a wider frequency range.

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