Open-Architecture-System (OAS) is the main

User interface In the industrial design field of human–computer interaction, a user interface (UI) is the space where interactions between humans and machines occur. The goal of this interaction is to allow effective operation and control of the machine f ...

and synthesizer software of the Wersi keyboard line. OAS improves on prior organ interfaces by allowing the user to add sounds, rhythms, third party programs and future software enhancements without changing hardware. Compared to previous organs which relied on buttons, OAS uses a touch screen to make programming easier. OAS can host up to 4 separate VST software instruments, allowing for an expandable system similar to the

Korg OASYS The Korg OASYS is a workstation synthesizer released in early 2005, 1 year after the successful Korg Triton Extreme. Unlike the Triton series, the OASYS uses a custom Linux operating system that was designed to be arbitrarily expandable via s ...

. OAS can support dynamic touch and aftertouch, but cannot support horizontal touch like the Yamaha Stagea

Electone Electone is the trademark used for electronic organs produced by Yamaha. With the exception of the top end performance models, most Electones are based on the design of the spinet electronic organ. Current models are completely digital and conta ...

OAS Version 7

OAS Version 7 expands on previous versions by adding a new effects section. Separate effects are available for the accompaniment section, sequencer and drums. Added effects include delay, reverb, phasing, wah wah, distortion, compressor, and flanger. In addition, version 7 includes 300 new sounds, 700 sounds in total. Version 7 adds the Wersi Open Art Arranger. This software enables the Wersi to use all Yamaha styles, Tyros 2 styles in OAS?
/ref> including those from the Tyros 2.

References

External links

Wersi USA home pageWersi international homeGlobal OAS Users Group
Electric and electronic keyboard instruments Software synthesizers {{comp-stub