Data transmission device and data reception device

#The invention relates to a device for transmitting data to at least one client device, the data being transmitted according to a plurality of predetermined profiles, each client device being associated with at least one profile.

#The invention also relates to a data reception device with which is associated a profile, receiving as input at least one data stream comprising data groups associated with various profiles, the device comprising means for receiving the data streams.

#The invention relates mainly to content adaptation as a function of the characteristics and the capabilities of client terminals for which this content is intended.

#The invention will be better understood and illustrated by means of advantageous exemplary embodiments and modes of implementation, which are in no way limiting, with reference to the appended figures in which:

#FIG. 1 represents an exemplary system implementing an embodiment of the invention,

#FIG. 2 represents an exemplary data stream according to a first embodiment of the invention,

#In a preferred embodiment described hereinbelow, the data are coded in a format complying with the MPEG-4 standard (MPEG standing for “Motion Picture Expert Group”) defined in the ISO/IEC 14496-1.

#In this preferred embodiment, the data groups are data coded according to the BIFS format (the acronym standing for “Binary Format for Scene”)

#FIG. 1 illustrates a system implementing an embodiment of the invention.