DSP-1

Digital Sound Field Processor / 1986
[ Image ] DSP-1

The world's first digital sound processor from Yamaha, appearing a year before the Dolby Pro Logic and equipped sound field generation technology.
Adding four dedicated processing (effect) speakers to the front and back of existing stereo speakers enabled realistic sound field generation.
The unit included 13 programs for music, 3 programs for film, and 16 effectors for instrument performance for a total of 32 programs, measured and collected in actual performance halls