Verbos ElectronicsBark Filter Fixed Filter Bank
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Verbos Bark Filter
Inspired by the classic Buchla 296 Programmable Spectral Processor, the Verbos Electronics Bark Filter is a 12-band fixed filter bank for use in Eurorack modular synthesizer systems. Each band features an independent output and envelope follower. There’s also a voltage-controlled mixer that is useful for fine-tuning the output signals. The mixer features sliders, CV inputs, and center, width, and tilt controls that allow for even more intuitive scanning and mixing options. For example, the filter can be patched so that its even envelope followers control the levels of the odd, causing the filter to behave in a manner similar to a vocoder.
Bark Filter Features
- 12 Band fixed filter bank
- Individual filter outputs
- Envelope follower per band
- Odd and Even filter outputs
- Frequency Scan and Spectral Tilt
- Input gain control
- Eurorack Module
- Width: 34HP
- Depth: 30mm
- Current Draw: 210mA@+12v, 185mA@-12v
For this video, we put together a special 208 HP system to showcase the Bark Filter Processor generating and processing
A harmonically rich signal from the Complex Oscillator was sent to the Bark Filter which was then, further processed through the Multi-Delay Processor which was on atmospheric and complex feedback duties. Borrowed from videos like LFO control I & II, the Voltage Multistage was used as a complex LFO generator which was controlling the “center” position of the scanning section.
Further, a key focus of this patch was the use of heavy handed, manual manipulation of the panel controls, since the Bark Filter was only “allowed” to pass through a narrow band of signal, it responded well to extreme adjustments of the sounds. The end result yielding a perfect soundscape for any horror film.