A bispectral synthesizer
Kimio Sasaki, Takuso Sato · The Journal of the Acoustical Society of America · 1979
Methods for synthesizing a random signal with a preassigned power spectrum and the amplitude characteristics of a bispectrum are discussed from the standpoint of phase relationship with the bispectrum. A new approach is proposed, which uses a bandpass filter array, a multiplicatory array, and Gaussian white noise. Further, a random signal corresponding to the Japanese vowel [a] is synthesized by using the constructed device, according to the analyzed data of a voiced vowel [a]. The results of the experiments show the usefulness of the synthesizer.