Downimg matlab12/17/2023 ![]() ![]() ![]() The feedback path has additional filtering which mimics the frequency response of the magnetic tape and tape heads used in the Space Echo, and the plugin also features a user adjustable saturation control which introduces the soft-clipping observed due to tape’s magnetization curve. The user interface takes cues from the faceplate of the original, allowing user control of the number of echoes, echo volume, and “intensity,” which corresponds to feedback in the delay path. Measurements were taken of a recently serviced, functional Roland unit to inform the characteristics of the digital model. ![]() In Spring 2016 I designed a VST audio plugin which models many of the operational characteristics of tape-based echo effects, taking the Roland RE-201 Space Echo as the main inspiration. Taking the extra steps to model the more subtle characteristics of analog audio effects often results in more convincing and pleasing perceptual qualities in the final product. Many audio plugins go even further and mimic the more precise operational characteristic of analog devices, including ostensibly unintended effects such saturation and signal degradation. When designing digital audio effects which have precedent in the analog world, it is often desirable to borrow system architecture and user interface ideas from their analog predecessors. Click below to download the VST plugin (64-bit only): ![]()
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