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The Voyetra-8 (Voyetra-Eight) is an eight voice polyphonic analog synthesizer. Released in 1982 by Octave-Plateau Electronics (later renamed Voyetra and still later merged with Turtle Beach Systems to became Voyetra Turtle Beach, Inc.), it was one of the first analog programmable synthesizers to be rack-mountable and remains one of the most flexible digitally controlled analog synthesizers. ==Design== The Voyetra-8 is a 19" rack-mountable device, 3 rack units high at the face. Most units are bowed at the top and so cannot be placed below other rack mounted equipment more than a few inches deep. It is approximately 16 inches deep in the rack, and weighs around 78 lbs. Rear mounted plugs and a large heat sink make at least 4" rear clearance advisable. The front panel has numerous buttons and knobs, which are active in live performance. However, the instrument is more complicated than it looks; there are fourteen "pages" of controls. Extra "pages" are accessed by hitting certain shift key combinations, after which most of the front-panel controls change function. These pages are used when setting up the instrument and programming sounds. The rear panel has a mono output and a stereo output. When connected in stereo, one four-voice sound appears at each output if the instrument is in Dual or Layer mode, or the eight voices are each panned in different places between the outputs if the instrument is in Whole-8 mode. The memory, which stores all of the user presets and parameters, can be dumped via MIDI to any sequencer. The dump is not MIDI System Exclusive (SysEx); it is encoded into controller changes and other common MIDI data, which any sequencer can handle. This may seem somewhat unusual, but in the day of the Voyetra, MIDI was in its infancy, and SysEx was not yet a proven strategy for transmitting and storing system information. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Voyetra-8」の詳細全文を読む スポンサード リンク
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