Teletext
Data transmission
Columns: Standard | Color system | Informational CVBS Lines | Bit rate [ Mbit/s ] | Waveform | Bits per line (including run-in) | Max. Characters (per page row)
A (France) | SECAM | 7–18 | 6.203 | squared Sine wave | 320 | 35 | B (global) | NTSC | 10–18 | 5.727 | Symmetrical about 1/2 bit rate | 296 | 32 | B (global) | PAL | 7–18 | 6.938 | Symmetrical about 1/2 bit rate | 360 | 40 | C ( NABTS ) | NTSC | 10–18 | 5.727 | Raised cosine 100% roll-off | 288 | 31 | C ( NABTS ) | PAL | 10–18 | 5.734 | Raised cosine 100% roll-off | 288 | 31 | D (Japan) | NTSC | 10–18 | 5.727 | Controlled cosine roll-off of 0.6 | 296 | 32