?? ? ???? ??? ??? ? ?? ???? ???? ? ???? ? ????? ??? ? ?? ?????? ??. ? ???? ?? ? ????? ??? ??? ???? ??? ??? ?? ?? ???? ??(? ?? ?? ?? ?? ??) The patent holder of the karaoke device is Roberto del Rosario, that's through the Philippines. He created the karaoke's sing-alongside procedure in 1975 and is also identified as the sole holder of the patent

?? ??? ? ? ???? ???? ???? ?? ??? ??? ?? ??? ??? ??. ?? ?? ???? ???? ?? ?? ??? ?? ??? ??? ??? ?? ????? ?? ??? ???? ??? ?? ????? ?? ????? ? ????? ? ??? ??? ? ??? ???? ??? ?? ????? Overview: ICOOL Karaoke is noted for its roomy rooms and Sophisticated karaoke tools. With a variety of music in different languages, it caters to an international crowd.