Portable karaoke system

G - Physics – 11 – B

Patent

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Details

G11B 31/02 (2006.01) G10H 1/36 (2006.01) H04N 7/00 (2006.01)

Patent

CA 2406360

The invention relates to musical television systems. The inventive transmitter comprises a processor controlling audio signals, a processor controlling video signals, a signal processing processor, permanent memory units for storing data of accompanying music and background images, cartridges containing the accompanying music and background images, a commutation matrix, a LCD display, a sound card, internal and external microphones, a mixer, a conditioner of modulated high frequency radio signals and a conditioner of low frequency television signals. TV sets are embodied in such a way that they are enable to receive the modulated high frequency radio signals by the aerial input and the low frequency television signals by the video input. The system is provided with expanded functional capabilities. When the television signals are received by the video input, the absence of non linear high frequency transducers generating material deformations of initial signals, ensures the high quality of the reproduction of voice parts and the background images.

L'invention relève des systèmes de télévision musicaux. Le dispositif de transmission comprend un processeur de commande des signaux audio, un processeur de commande de signaux vidéo, un processeur de traitement des signaux vocaux, des mémoires RAM qui servent à garder les données d'accompagnement musical et des images de fond, des cartouches contenant l'accompagnement musical et les images de fond, une matrice de commutation, un afficheur à cristaux liquides, une carte sonore, un microphone interne et un microphone externe, un mélangeur, un formateur de signaux radio modulés haute fréquence et un formateur de signaux de TV modulés basse fréquence. Des postes de télévision permettent de recevoir par l'entrée d'antenne les signaux radio modulés haute fréquence, et par l'entrée vidéo, les signaux de télévision basse fréquence. Le système possède des capacités fonctionnelles étendues. Pendant la réception des signaux de télévision par l'entrée vidéo, l'absence de convertisseurs non linéaires de haute fréquence qui provoquent des déformations importantes des signaux originaux, assure la haute qualité de reproduction des parties vocales accompagnées d'images de fond.

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