Roland later replaced the SCC-1 with a combination of their MPU-401AT MIDI interface card and SCB-55 Wave Blaster-compatible daughterboard. When bundled with the Band-in-a-Box and BalladeGS software, it's called SCC-1B. An updated version featuring the SC-55mkII sound set was also released, known as SCC-1A. The sound source is controlled by an on-board MIDI Processing Unit, a variant of the MPU-401 unit.

Roland also released the Roland SCC-1, an 8-bit ISA half-size card incarnation of the SC-55 sound module. The SC-55mkII added a serial port as an alternative interface to the MPU-401. Additionally, CM-500 includes fully SysEx compatible LA tone generator similar to CM-32Ls.Ī minor upgrade to the original SC-55, the Roland SC-55mkII has increased polyphony (28 voices), more patches, raising the total number to 354 instruments and extended, and improved audio-circuitry in the form of 18-bit audio (versus 16-bit in the original SC 55.) SC-155 adds additional slider controls for master and channel level and panning. Both models have external appearance nearly identical to Roland's earlier CM-32/64-series modules. CM-300 and CM-500 models lack the LCD screen and extended controls of SC-55. Other models with comparable tone generators include Roland CM-300, Roland CM-500 and Roland SC-155 sound modules. Both the Sound Canvas and Sound Brush could be rackmounted alongside each other. The selection of effects includes reverb and chorus.Īlongside the SC-55, Roland released the SB-55 (Sound Brush), an inexpensive MIDI sequencer module the same size as the Sound Canvas. Aimed at PC music enthusiasts, the SC-55 featured 317 instrument patches, including the GS drum kits and additional controllers. It came preloaded with the Roland MT-32's variation bank, but lacked the MT-32's re-programmability.

The SC-55 used both PCM and a cut-down version of the LA synthesis engine, to support 24-voice polyphony with 16-part multitimbrality.

It was the first in the Roland Sound Canvas series. The SC-55 was the first sound module to incorporate the new General MIDI standard. The Roland SC-55 ( Sound Canvas) is a GS MIDI sound module released in 1991 by Roland. For the isotope of scandium (Sc-55 or 55Sc), see Scandium-55.

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