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Related Manuals for Expert Sleepers Amelia
Summary of Contents for Expert Sleepers Amelia
- Page 1 User Manual Revision 1.0...
- Page 2 Expert Sleepers Ltd. Expert Sleepers Ltd assumes no responsibility or liability for any errors or inaccuracies that may appear in this document.
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Page 3: Table Of Contents
Table of Contents Introduction..................................4 Installation.................................... 5 Power requirements..............................5 Inputs and outputs................................5 Controls....................................5 Theory of operation................................ 6 'Break' mode.................................. 6 'Gated' mode................................... 7 'Auto' mode..................................8 Time ranges..................................8 Envelope shapes................................8 Calibration.................................... 9 Where to get help................................10 Acknowledgments................................. -
Page 4: Introduction
The shape of the attack and decay/release sections can be independently and continuously adjusted from exponential, through linear, to logarithmic. Amelia was developed with use with sequencers particularly in mind, where often you only have a trigger output, not a gate of adjustable length. It allows you to create complex and fexible envelope shapes from that simple trigger signal that can be fully modulated under voltage control. -
Page 5: Installation
Be sure to connect the other end of the power cable correctly, again so -12V corresponds to the red stripe on the cable. Power requirements Amelia draws up to 33mA on the +12V rail, and 33mA on the -12V rail. It does not use the 5V rail. Inputs and outputs Amelia's input and output jack sockets are illuminated, lighting red for positive voltage and blue for negative voltage. -
Page 6: Theory Of Operation
Break level to minimum, there will be no Release stage, only Decay. So if you want a simple two stage AD envelope, Amelia can provide that, simply by setting the Break control to one extreme or the other. -
Page 7: Gated' Mode
Attack and release only 'Gated' mode This mode difers from 'Break' mode only in that the transition from Decay to Release happens when the input trigger signal goes from high to low. The Break level control no longer has any efect, but the length of the input trigger (or rather, gate) now matters. -
Page 8: Auto' Mode
'Auto' mode In this mode, the envelope is automatically retriggered when it reaches 0V at the end of the release stage – that is, it becomes a free-running LFO. The Break level behaves as in 'Break' mode. Note that the Gate input is still available to retrigger the envelope mid-cycle. Auto mode Time ranges The time range switch has three options: Med(ium), Slow, and Fast. -
Page 9: Calibration
The lower knob (marked 'R') sets the shape of both the decay and release stages, in a similar manner. Exponential decay/release Logarithmic decay/release Note that a traditional analogue ADSR envelope generator has a logarithmic attack and an exponential decay/release. Logarithmic attack, exponential release When using long envelope times (within a range) avoid using extreme positions of the shape knobs, or unexpected results may occur. -
Page 10: Where To Get Help
Where to get help Email, forum, and social media links can be found at the bottom of every page on our website Acknowledgments Black and white photography by Israel Denadai 2 https://www.expert-sleepers.co.uk 3 http://israeldenadai.com.br/bw...
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