Method and apparatus for producing a waveform exhibiting rendition style characteristics on the basis of vector data representative of a plurality of sorts of waveform characteristics

摘要

A waveform producing method includes a step of producing a waveform presenting style-of-rendition characteristics corresponding to style-of-rendition identification information, on the basis of individual vector data arranged on the time axis. Each style-of-rendition identification information is representative of style-of-rendition characteristics of a performance tone and indicates one of a plurality of styles of rendition to which the style-of-rendition characteristics correspond. A plurality of vector data are generated, in accordance with the received style-of-rendition identification information, for production of a waveform presenting the style-of-rendition characteristics. The vector data correspond to a plurality of different fundamental waveform factors for constituting a waveform. By arranging the individual vector data on the time axis, a waveform shape or envelope corresponding to the waveform factors can be built along a reproducing time axis of the performance tone. Thus, there can be produced a performance tone waveform presenting the style-of-rendition characteristics corresponding to the style-of-rendition identification information.