DTV channel protection ratios

DTV channel protection ratios

Terrestrial digital television will co-exist with analog television for many years. The issue of electromagnetic compatibility between the two systems still looms.

ATSC-EBU table of acceptable protection ratios

Note 1: The Canadian parameter, C/(N+I) of noise plus co-channel DTV interface should be 16.5 dB.
Note 2: ISDB-T (6MHz, 64QAM, R=2/3), Analog TV (M/NTSC).
Note 3: Depending on analog TV systems used.
This table is based upon parameters found via research funded by the United States Federal Communications Commission (FCC), and the Canadian Radio-television and Telecommunications Commission (CRTC) .

See also

* HDTV
* ATSC Standards
* DVB-T
* ISDB


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