To counter the introduction of the Super-VHS format, Sony introduced Video
Hi8 (short for high-band Video 8.) Like SVHS, Hi8 used improved recorder
electronics and media-formulation to increase picture detail.
In both systems, a higher-grade videotape and recording-heads allowed
the placement of the luminance-carrier at a higher frequency, thereby
increasing luminance bandwidth.
and SVHS were officially rated at a luminance resolution of 420 horizontal
TV/lines (566x480 in today's digital terms), a vast improvement from their
respective base-formats of 240 lines and roughly equal to laserdisc quality.
upgrade to the Video8 format came in 1998, when Sony introduced XR capability
The standard tape length is 90 minutes or 3 hours on long play.