Pulse Width Modulation and the Illusion of Detune (Synth Fundamentals, Ep. 10)
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- Опубликовано: 8 окт 2024
- In this episode of Synth Fundamentals, we tackle every synthesist's favorite sound: the pleasant chorusing of pulse width modulation.
We begin with a discussion of pulse waves and duty cycles, but quickly discover an equivalence with massive implications for PWM. Since a pulse wave can be created as the sum of saw & ramp waves, pulse width modulation is essentially an auditory illusion: two oscillator detune in a single oscillator.
Finally, we discuss what this means for your tuning and the musical consistency of your PWM patches.
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Thanks for watching and happy synthing.
Gear Used:
Waldorf Quantum
Very nice breakdown of how PWM is simulated using saw / ramp waves. If you realize that a saw and ramp waves are merely the same wave but with phase polarity inverted, then this leads to another game-changing implication: take any static sample waveform, create a copy and flip its polarity, then detune those two against each other. Instant sample PWM. =)
Fantastic video
A heartbeat, for instance, is also a pulse wave. Any periodic pulse is a pulse wave. Think of those electronic metronomes that click at lower speeds, but sound like a tone at faster speeds; the pulse doesn't change beyond getting re-triggered before the pulse finishes its cycle.
This was great, well done. :)
That LFO keyboard sync trick sounds awesome...now just have to figure out if I can do that on the Minilogue XD or microfreak as those are my current tools... 🤞
Subscribed man. Love this tutorial
great video, subbed
Video is full of information but hard to track could not keep up with pace
Subscriber 362
A synthtuber with useful content.
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Stop watching these gossip trash and learn your instrument.