EP 0880779 A1 19981202 - DIGITAL PROCESSING DEVICE FOR AUDIO SIGNAL
Title (en)
DIGITAL PROCESSING DEVICE FOR AUDIO SIGNAL
Title (de)
DIGITALES TONSIGNALVERARBEITUNGSGERÄT
Title (fr)
DISPOSITIF DE TRAITEMENT NUMERIQUE POUR SIGNAL AUDIO
Publication
Application
Priority
- CH 179995 A 19950620
- EP 9602637 W 19960619
Abstract (en)
[origin: WO9701168A1] A system for the digital processing of audio signals, particularly for disc jockeys and scratch musicians. The speed and direction of reproduction of an audio signal coming from an external source, e.g., from a CD player, can be controlled by acting manually on a rotating element (16). The speed of rotation of this element is normally constant but can be modified by the disc jockey. The sampled audio signal is stored at a constant frequency in a sampling buffer and read at a variable frequency as a function of the speed and direction of the rotating element. In one embodiment, the element (16) is a record player turntable. The disc jockey can act upon the speed of rotation. An optical sensor (21) determines the speed and direction of rotation of the turntable. These data are used to determine the speed and direction of reproduction of an external audio signal, e.g., coming from a CD player.
IPC 1-7
IPC 8 full level
G10H 1/00 (2006.01); G11B 19/02 (2006.01); G11B 20/10 (2006.01); G11B 27/00 (2006.01)
CPC (source: EP)
G10H 1/0091 (2013.01); G11B 19/02 (2013.01); G11B 20/10527 (2013.01); G11B 27/005 (2013.01); G10H 2210/241 (2013.01); G10H 2220/521 (2013.01); G11B 2220/2545 (2013.01)
Citation (search report)
See references of WO 9701168A1
Citation (third parties)
Third party :
- JP H0689501 K1
- TECHNICS: "SL-1200MK3 service manual", TECHNICS BROCHURE/LEAFLET, 1989, pages 1 - 12, XP002989732
- TECHNICS, WEBSITE EXTRACT, 1989, pages 1 PG, XP002989733, Retrieved from the Internet <URL:http://panasonic.jp/technics/history/1989.html>
- TECHNICS SL-1200MK3: "TECHNICS SL-1200MK3", WEBSITE EXTRACT, pages 1 PG, XP002989734, Retrieved from the Internet <URL:http://k-nisi.hp.infoseek.co.jp/sl-1200.htm>
- ULTIMATE PROJECT OF HINODE SHUPPAN: "Ultimate DJ handbook", 15 December 1988, KAMESABURO OKUBO, JAPAN, ISBN: 1-39\93-066-0, XP002989766
Designated contracting state (EPC)
CH DE ES FR GB IT LI
DOCDB simple family (publication)
WO 9701168 A1 19970109; AU 6356996 A 19970122; EP 0880779 A1 19981202
DOCDB simple family (application)
EP 9602637 W 19960619; AU 6356996 A 19960619; EP 96922833 A 19960619