On the left side of the interface are the LFO controls. There is also a Drive button which enables a distortion effect, although this is only available in Ring Modulation mode. There's a toggle button to change from pitch shifting to ring modulation and a 'Wide' button to create a stereo effect by inverting the Spread value in one channel so that one channel is shifted up, whilst the other is shifted down. There are Coarse and Fine knobs to set the amount of frequency shift. The Frequency Shifter device is super simple. The Frequency Shifter is a great sound design tool. Some describe the sound as metallic or similar to ring modulation. Every frequency within the signal is shifted by the same amount and this means that the harmonic relationships within the signal are broken, resulting in a very different sound. Frequency Shifting works by moving each frequency in a signal by a set amount. Pitch shifting is the classic sound of speeding up or slowing down a tape, or playing a sample away from its root note in a sampler.įrequency Shifting: Again, this involves changing the frequency content of a signal, but in a very different way. To pitch shift a signal by +1 octave, we multiply each frequency by two, thereby preserving the harmonic relationships within the signal. This is done by multiplying or dividing all the frequencies within the signal. Pitch Shifting: Shifts the incoming signal by musical intervals. Often confused, and similar in nature, it's worth knowing the difference between Pitch Shifting and Frequency Shifting. It's easily overlooked but can be a powerhouse when it comes to sound design. The Frequency Shifter is a small, innocuous looking device from the standard Ableton Live Library.
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