Unlike all other analog video systems, JVC designed the VHD Video Disc system to be dual-standard right from the beginning. All PAL and NTSC VHD players had the ability to play discs of other television standards. Thus, a PAL disc played on an NTSC player would play just as if it were an NTSC disc. The discs were coded for each countrys television system, but the player had the ability to recognize this and adjust the turntable speed, chroma carrier frequency and other parameters to enable compatible playback. With the addition of AHD audio playback, JVC envisioned a disc system capable of playing discs made anywhere in the world, which they felt, would help the system to become a world-wide video standard. |
