16:9 aspect ratio conversion by letterbox method for an MPEG ima

Apparatus and method for processing information signal,...

Apparatus and method for reducing noise when changing the aspect

Apparatus and method for vertically extending an image in a tele

Apparatus and method for video data processing in digital...

Apparatus and method for video data processing in digital...

Apparatus and method for video data processing in digital...

Apparatus for converting screen aspect ratio

Apparatus for converting screen aspect ratio

Apparatus for converting tele text data for display on a 16:9 as

Aspect ratio control arrangement in a video display

Aspect ratio converter and method thereof

Aspect ratio converting apparatus and method

Aspect ratio correction using digital filtering

Automatic aspect ratio converting apparatus for television...

Circuit for converting HDTV signals into conventional TV signals

Decoding and displaying device for coded picture data

Device and method for converting aspect ratio of video signal

Device and method for converting scanning

Device for controlling an aspect ratio in tv-monitor integrated