Shifting the Frequencies by a Constant
Frequency Shifting increases or decreases the frequencies of the sound by a constant value. This is useful to change electrical engine noise for example.
To Shift the Frequencies by a Constant Value:
The frequency content of the current signal is modified. Applying a Frequency Shift to a signal changes the frequency content and loses the relationship between the frequencies (the initial ratio between frequencies is changed).
Note: During the processing, every frequency above
the maximum frequency of the sound is removed (half of the sampling frequency), and also for frequencies below 0 Hz.