Q: What is the string, and what exactly is being animated?
A: The string is a visual approximation of how a physical string would be vibrating given the same pitch and energy at the same partials. It runs at a fixed rate, independent from the actual frequency of the simulated pitch, allowing the user to study the shape and motion of the string.
Q: What exactly is the difference between the sonogram and the spectrogram?
A: The spectrogram shows the amplitude of each frequency, with individual red spikes corresponding to the fundamental and its upper partials. The sonogram shows how these energy levels change over time if any parameters are altered. The thickness and shade of each line on the sonogram also corresponds to the energy level at each partial.
Q: How can I draw a custom amplitude shape?
A: With a pitch selected and the DAC engaged, simply click and drag in the Pitch window. You will see red lines corresponding to levels of individual partials, and the sonogram, spectrogram, and string will respond accordingly. Each partial can be toggled on/off with its corresponding box.
Q: Is there a “note off” function?
A: No. If you want to stop the pitch, deselect the overtone boxes until none of the partials are producing sound. You can also decrease the amplitude or turn off the DAC.
Q: Is there a “clear” function?
A: No. If you want to empty the spectrogram, sonogram, or string window, deselect all active partials and wait until the window clears.
Q: Can I save presets?
A: Yes, simply hold shift and click. Presets will not save when you exit the bitString app.
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