| Videos capable of recording moving images were introduced later, but in the interim period when the image was live, but sounds were supplied by recorded sources, karaoke was invented. |
後には、映像記録が可能なビデオが導入されるが、その中間期、映像は生放送だったが音響は録音でまかなえるようになった時代にカラオケは誕生する。 |