Develop an ear for the different strengths of filter slopes, again tying into the resulting harmonic structure and mix implications.
- Not all filters sound the same.…That's why it's quite common to have…more than one type of filter…inside your modular synth.…We're going to explore those differences…in the next couple of movies.…One common difference is the slope of your filter,…how strongly it filters out frequencies…beyond the corner or cutoff frequency.…They're usually defined in terms of decibels per octave.…For example, the 24 decibel per octave slope…on a filter…means that when you get one octave higher…than the cutoff frequency,…those harmonics have been reduced in strength…by 24 decibels, or 24 dB.…
On the other hand, a 12 decibel per octave cutoff…means that when you get one octave beyond the cutoff,…those harmonics are only reduced 12 dB,…not as strongly.…Sometimes you'll hear this referred to…as the number of poles a filter has.…This kinda gets into the electronics inside a filter,…but in short, one pole equals six dB of cutoff.…So, a 2-pole filter has 12 dB per octave slope,…and a 4-pole filter has 24 dB per octave slope.…I have one of each of those inside this machine,…
This course will be based around the widely available Roland SYSTEM-500 Eurorack-standard synthesizer modules, complemented with modules from several other manufacturers. As most modules, synthesizer keyboards, and plugins are designed around the same principles, this course lets you dig deeper into synthesis and programming your sounds regardless of the equipment you own.
- Putting a system together
- Getting sound in and out
- Patching a typical synthesizer "voice"
- Tuning voltage-controlled oscillators (VCOs)
- Working with waveforms
- Using filters
- Exploring frequency modulation, waveshaping, oscillator sync, effects, and more
Skill Level Beginner
Learning Synth Programming: Beyond the Basicswith Scott Hirsch1h 54m Intermediate
1. Putting a System Together
2. Learning Subtractive Synthesis
3. Exploring Alternate Techniques
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