Surround sound system

Details Surround sound system Surround sound system

G - Physics

06

F

G06F 3/16 (2006.01) G06F 3/00 (2006.01) H01S 5/02 (2006.01) H04S 5/02 (2006.01) H04S 7/00 (2006.01)

Patent

CA 2132763

An upgrade for a stereo enabled computer system which enables such a system to produce and record surround sound channels is disclosed. Such surround sound channels are played or recorded using an additional audio card, which controls additional speakers and/or microphones, which is added to the computer system. Software for redirecting instructions from existing stereo application programs and sending these instructions to the existing audio device driver and the additional audio device driver is provided. A means for processing the digital audio data for either extracting surround sound channels from two channel data provided by the application, or for encoding two sets of two channel audio data recorded by the two audio cards is also included.

L'invention est un dispositif auxiliaire pour un système informatique stéréo qui permet à ce dernier de produire et d'enregistrer des sons ambiophoniques. Ces sons ambiophoniques sont lus ou enregistrés au moyen d'une carte audio additionnelle qui contrôle des haut-parleurs et/ou des microphones ajoutés au système informatique. Un logiciel de réacheminement des instructions des programmes d'application au dispositif d'attaque audio et à un dispositif d'attaque audio additionnel est fourni. Un dispositif de traitement des données audionumériques servant à extraire les signaux ambiophoniques des données des deux canaux stéréo fournis par l'application, ou à coder deux ensembles de données audio de deux canaux stéréo enregistrées par les deux cartes audio est également fourni.

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