Key assignment modes are stored with the Step, not the Voice. In Whole-8 mode, the Voyetra-8 has 8 voices. If a player is holding down 8 notes and hits another, does it sound? If so, does it rob the oldest note played or one of the others? If notes are not being held down but still decaying, will they be robbed? If a note is played repeatedly, does the same voice sound again or does another voice trigger, layered on top of the first? Many of the answers to these questions can be set by the programmer using the key assignment modes and envelope parameters. Key assignment modes and envelope parameters ДЄny polyphonic instrument must use an algorithm to assign available voices to played notes (unless the instrument has enough voices to cover all of the notes). The specs belie the complexity of the sound architecture, because of the great deal of control the programmer (and the player) has over various aspects of sound production, including key assignment modes, modulation routing, and envelope parameters. Generally, a performer will call up Steps, not Voices, during live performance each Step will call up two of the Voices and tweak them for the song to be played.Д®ach voice has two VCOs, one VCA, one 24В dB/octave lowpass VCF, two LFOs, two ADSRs, noise generator, sync VCO 1 to VCO 2. The keyboard mode, key assignment mode, two selected sounds, and a number of parameter trims and tweaks (such as octave shift on either Voice, detune, and cutoff frequency offset) are stored as a 'Step'. It can store 100 'Programs', and can play either one 8-voice sound in Whole-8 mode, a different 4-voice sound on each half of the keyboard (or on different MIDI channels) in Split mode, or two 4-voice sounds per note (which could both be the same) in Layer mode.

Each produces one voice of the maximum 8. The Voyetra-8 has 8 separate programmable analog voice cards. 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. The dump is not MIDI System Exclusive (SysEx) it is encoded into controller changes and other common MIDI data, which any sequencer can handle. The memory, which stores all of the user presets and parameters, can be dumped via MIDI to any sequencer. 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 rear panel has a mono output and a stereo output. These pages are used when setting up the instrument and programming sounds. Extra 'pages' are accessed by hitting certain shift key combinations, after which most of the front-panel controls change function. However, the instrument is more complicated than it looks there are fourteen 'pages' of controls. The front panel has numerous buttons and knobs, which are active in live performance. Rear mounted plugs and a large heat sink make at least 4' rear clearance advisable. It is approximately 16 inches deep in the rack, and weighs around 38В lbs. Most units are bowed at the top and so cannot be placed below other rack mounted equipment more than a few inches deep. The Voyetra-8 is a 19' rack-mountable device, 3 rack units high at the face. 2.1 Key assignment modes and envelope parameters.

Voyetra music rack app