teletext 

Statements about this table:
the standard a (france) have a waveform of squared sine wave znc bit rate of 6.203 mbit / s
the standard c (nabts) have the color system of pal and a bit rate of 5.734 mbit / s
the standard a (france) have the bit rate of 6.203 mbit / s and 35 as max character
standard
color system
informational cvbs lines
bit rate
a (france)
secam
7 - 18
6.203
b (global)
ntsc
10 - 18
5.727
b (global)
pal
7 - 18
6.938
c ( nabts )
ntsc
10 - 18
5.727
c ( nabts )
pal
10 - 18
5.734
d (japan)
ntsc
10 - 18
5.727
standard
waveform
bits per line (including run - in)
max characters (per page row)
a (france)
squared sine wave
320
35
b (global)
symmetrical about 1 / 2 bit rate
296
32
b (global)
symmetrical about 1 / 2 bit rate
360
40
c ( nabts )
raised cosine 100% roll - off
288
31
c ( nabts )
raised cosine 100% roll - off
288
31
d (japan)
controlled cosine roll - off of 0.6
296
32