Phase distortion synthesis
The phase distortion synthesis ( PD synthesis ) is a method invented by the Casio company in the 1980s for generating sound in synthesizers . It was co-developed by Isao Tomita and Yukihiro Takahashi , among others . The method worked with samples of only one period, which could be stored inexpensively on the hardware of the time. In order to generate varied, lively sounds - according to the standards of the time - the readout speed was modulated within this period (see drawing).
The method was intended as an alternative to the FM synthesis by Yamaha , but could never achieve its popularity (although the operation was many times easier and more transparent than with FM synthesis). When the prices for sample ROM in musical instruments fell, rompers displaced PD synthesizers .
Web links
Individual evidence
- ↑ Ishibashi Patent; Masanori, Oct 17, 1985
- ↑ Amazona: Brief history of the phase distortion , accessed on June 1, 2012.