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Abstract

Sets of waveform data of unit waveforms stored in a memory each include first and second loop waveform segments at both ends of a non-loop waveform segment and any one of the unit waveform data sets can be selectively readout from the memory. The waveform data set of a desired one of the unit waveforms is read out from the memory and is connected with another waveform preceding or following the read-out unit waveform using the first or second loop waveform segment in the read-out unit waveform. Thus, a smooth connection between the read-out unit waveform and the other waveform is achieved with ease. This is because the loop waveform can be smoothly connected with any other waveform through cross-fade synthesis or phase-matched connection technique performed at an appropriate point in the loop. With such arrangements, when a tone waveform is to be formed by reading out the loop waveform from the memory, it is possible to execute good-quality waveform formation rich in controllability and editability, taking articulation (style of rendition) of a sound into account, in a manner rich in controllability and editability.

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First Claim