Before revision: VSB In analogue TV broadcasting the visual radio frequency (RF) signal is produced by amplitude modulation (AM) i.e., the video signal (VF) modulates the amplitude of the carrier.
After revision: Vestigial Side Band (VSB) In analogue TV broadcasting the visual radio frequency (RF) signal is produced by amplitude modulation (AM) i.e., the video signal (VF) modulates the amplitude of the carrier.