Adaptive transform coding with an adaptive block size (ATC-ABS). - Akihiko Sugiyama; Fumie Hazu; Masahiro Iwadare; Takao Nishitani (ICASSP, 1990)

Adaptive transform coding with an adaptive block size using a modified DCT. - Fumie Hazu; Akihiko Sugiyama; Masahiro Iwadare; Takao Nishitani (ICSLP, 1990)

A 128 kb/s Hi-Fi Audio CODEC Based on Adaptive Transform Coding with Adaptive Block Size MDCT. - Masahiro Iwadare; Akihiko Sugiyama; Fumie Hazu; Akihiro Hirano; Takao Nishitani (IEEE J. Sel. Areas Commun., 1992)