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OTTO is capable of altering the pitch and timbre of a digital recording and is capable of operating with up to 32 channels at once. Each channel can have several parameters altered, such as pitch, volume, waveform, and filtering. The chip is a VLSI device designed to be manufactured on a 1.5 micrometre double-metal CMOS process. It consists of approximately 80,000 transistors. It was part of the fourth generation of Ensoniq audio technology.
Major features
Real-time digital filters
Frequency interpolation
32 independent voices
Loop start and stop positions for each voice (bidirectional and reverse looping)
Motorola 68000 compatibility for asynchronous bus communication
Separate host and sound memory interface
At least 18-bit accuracy
6-channel stereo serial communication port
Programmable clocks for defining a serial protocol
