Nyquist Subsampling
This conversion technique may become popular with manufacturers of HDTV --> NTSC and HDTV --> PAL converter boxes for the ongoing global conversion to HDTV.
- Multiple Nyquist subsampling was used by the defunct MUSE HDTV system that was used in Japan.
- MUSE chipsets that can be used for systems conversion do exist, or can be revised for the needs of HDTV --> Analog TV converter boxes.
Read more about this topic: Television Standards Conversion, Standards Conversion Methods in Common Use