Roland XP-50
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The Roland XP-50 is a music workstation that combines the synthesizer engine of Roland's JV-1080 sound module with the sequencing capabilities of their MRC-Pro sequencer and a 61-note keyboard. First released in 1995, the XP-50 and the Roland XP-10 were the first two Roland XP-series products, later joined by the XP-80 and XP-30.
Sound Engine
The XP-50's sound engine utilizes a custom 32-bit RISC chip to accommodate its sound generation and effects processing. There are 640 patches and 128 performances on board. The XP-50's internal memory includes 512 waveforms, which can be expanded with up to four user-installable SR-JV80 expansion boards. Presets include a General MIDI soundest, and a wide selection of sounds, including ambient and techno sounds representative of the time of the XP-50's release.
The sample + synthesissound engine's structure consists of "tones," each with a waveform, amplifier, filter, three envelope generators, and a pair of LFOs. Up to four "tones" can be combined in one of ten different "structures" or configurations to create a "patch." For multitimbral use, "patches" are slotted into "parts" to comprise a "Performance."
Some of the more unique features of the XP-50's sound engine are frequency cross-modulation, tone delay variations, MIDI clock sync, high/low/band pass and peaking resonant filter options, and syncronizable LFOs.
The XP-50 has 4 expansion slots which take any of the SR-JV series of cards.
Effects
The XP-50 has three independent effects processors: reverb, chorus, and a multi-effects processor with 40 editable effects algorithms.
Sequencer
The built-in 16-track sequencer is derived from the Roland MC-series hardware sequencers, and can import sequences saved on those machines. The XP-50 sequencer also accepts standard MIDI files. The sequencer can store up to 60,000 notes and 100 patterns.
Eschewing the PCM & Data Card slots that Roland had been using since the JD-800 in 1991, the XP-50 includes a 3.5 inch floppy disk drive for data import or export.[1][2]
External links
References
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<references />, or <references group="..." />- ↑ 1.0 1.1 Julian Colbeck "Roland XP-50 Music Workstation", Sound On Sound, Jun 1995
- ↑ Gordon Reid, "The History Of Roland Part 4: 1992-1997", Sound On Sound, Feb 2005
