Audio technology List of Japanese inventions and discoveries

sony discman d121



compact disc player
sony released world s first cd player, called cdp-101, in 1982, using slide-out tray design compact disc.


physical modelling synthesis
the first commercially available physical modelling synthesizer yamaha s vl-1 in 1994.


commercial digital recording
commercial digital recording pioneered in japan nhk , nippon columbia, known denon, in 1960s. first commercial digital recordings released in 1971.


karaoke
there various disputes first invented name karaoke (a japanese word meaning empty orchestra ). 1 claim karaoke styled machine invented japanese musician daisuke inoue in kobe, japan, in 1971.


portable cd player
sony s discman, released in 1984, first portable cd player.


perpendicular recording
perpendicular recording first demonstrated in late nineteenth century danish scientist valdemar poulsen, first person demonstrate sound recorded magnetically. there weren’t many advances in perpendicular recording until 1976 when dr. shun-ichi iwasaki (president of tohoku institute of technology in japan) verified distinct density advantages in perpendicular recording. in 1978, dr. t. fujiwara began intensive research , development program @ toshiba corporation resulted in perfection of floppy disk media optimized perpendicular recording , first commercially available magnetic storage devices using technique.


digital audio tape recorder
heitaro nakajima resigned post head of nhk s technical research laboratories , joined sony. 4 years earlier @ nhk, nakajima had commenced work on digitization of sound , within 2 years had developed first digital audio tape recorder


vowel-consonant synthesis
a type of hybrid digital-analogue synthesis first employed casiotone keyboards in 1980s.




^ cdp-101 first compact disc audio cd player 1982 . 2007. retrieved 2007-02-05. 
^ aikin, jim (2003). software synthesizers: definitive guide virtual musical instruments. backbeat books. p. 4. isbn 0879307528. 
^ fine, thomas (2008). barry r. ashpole, ed. dawn of commercial digital recording (pdf). arsc journal. ted p. sheldon. retrieved 2010-05-02. 
^ invented karaoke machine? events-in-music.com
^ 井上大祐【カラオケ発明者】 j-one/inoue events-in-music.com
^ time 100:daisuke inoue, 23–30 august 1999 vol. 154 no. 7/8
^ sony celebrates walkman 20th anniversary . sony press release. retrieved 2009-05-04. 
^ capacity measurements, areal density, , pmr
^ sony corporate info history