Other

France Telecom Sa

Telediffusion De France S.a.

Gerard Hellegouarch

Michel Veillard

Dominique Curet

Germain Lolivier

Stephanie Relier

Therese Garault

Andre Douteau

Gerard Madec

The video component(s) of a digital audio-visual first program are switched onto the video components of a second digital, audio-visual program by (1) switching onto the video component of the second program, subsequent to the switch command and to the end of a picture of the first program, and (2) replacing, as seen in the order of transmission, each non Intra picture of the component of a second program, with a picture having coding performed independently of (a) the picture data of the replaced picture and (b) of the contents of the pictures to which it refers until the beginning of the next Intra picture of the component of the second program.

Method switching the video component(s) of a first digital, audio-visual program onto the video components of a second audio-visual digital, video-audio program to compensate their phase-shift

First digital audio-visual program video component(s) are switched on a second digital audio-visual program video component(s) by switching on the beginning of the first set of images including an Intra-coded picture of the second program video component encountered after the switching command. In the transmission order of images, each bidirectionally predictive-coded picture of the first set of images referring to the set of images pertaining to the set of images preceding it before switching, is substituted for a bidirectionally predictive-coded picture of the video coding which is produced independently of (1) the substituted image content and (2) the contents of the images to which it refers.

Method for switching a first digital audio-visual program video component(s) on a second digital audio-visual program video component(s)

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Cesson-Sevigne, France

Gerard Hellegouarch