Envelope generator: Difference between revisions
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*Digisound 80 [http://www.digisound80.co.uk/digisound/modules/80-8/80-8.htm 80-8 Dual ADSR], CEM3310 based |
*Digisound 80 [http://www.digisound80.co.uk/digisound/modules/80-8/80-8.htm 80-8 Dual ADSR], CEM3310 based |
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*Digisound 80 [http://www.digisound80.co.uk/digisound/modules/80-18/80-18.htm 80-18 Dual Multi-Function Envelope Generator], CEM3310 based |
*Digisound 80 [http://www.digisound80.co.uk/digisound/modules/80-18/80-18.htm 80-18 Dual Multi-Function Envelope Generator], CEM3310 based |
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*[http://hem.bredband.net/elmuced/eh30.htm The EHS-30 Modular Synthesizer], [[PAiA]] CEM3310 based |
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*Formant music synthesizer by [[C. Chapman]], Elektor, 1978, p. 64, using [[Operational amplifier|op-amp]]s and common [[discrete]] components |
*Formant music synthesizer by [[C. Chapman]], Elektor, 1978, p. 64, using [[Operational amplifier|op-amp]]s and common [[discrete]] components |
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*[http://yusynth.net/Modular/EN/ADSR/index.html yusynth ADSR] has a [[555]] core with a few op-amps. |
*[http://yusynth.net/Modular/EN/ADSR/index.html yusynth ADSR] has a [[555]] core with a few op-amps. |
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Revision as of 12:54, 24 January 2013
An envelope generator is a device that produces an envelope voltage. When it controls a VCA these together form an envelope shaper.[1]
AD envelope generator
The envelope generator is usually triggered by a gate signal from the keyboard.[2]
Usage
For shorter envelopes at higher pitch, as happens in acoustic instruments, a master CV is taken from the same voltage as used for VCO pitch.[3]
See also
References
- ^ Synthesizers for musicians by R A Penfold, PC Publishing, 1989, ISBN 1870775015, p.21
- ^ Synthesizers.com Q109 Envelope Generator
- ^ Description of the Serge Extended ADSR Envelope Generator
External links
- Synth Secrets, Part 3: Modifiers & Controllers
- Synth Secrets, Part 7: Envelopes, Gates & Triggers
- Synth Secrets, Part 8: More About Envelopes
Kits
- MFOS ADSR Envelope Generator
- MFOS Dual Attack Release Envelope Generator
- Serge Extended ADSR Envelope Generator
Schematics
- Digisound 80 80-10 Voltage Controlled Envelope Generator, CEM3310 based. Electronic Music Circuits by Barry Klein,1982, p. 62-3, includes Charles Blakey's independent trigger input modification.
- Digisound 80 80-8 Dual ADSR, CEM3310 based
- Digisound 80 80-18 Dual Multi-Function Envelope Generator, CEM3310 based
- The EHS-30 Modular Synthesizer, PAiA CEM3310 based
- Formant music synthesizer by C. Chapman, Elektor, 1978, p. 64, using op-amps and common discrete components
- yusynth ADSR has a 555 core with a few op-amps.