Patent ID: 8248528
Filing Date: 2012-08-21
Classification: H04N

Abstract:
1. A captioning system for providing captions for a presentation to a user, the presentation including a wireless acoustic signal, the captioning system comprising: a caption store operable to store one or more sets of captions each set being associated with one or more presentations and each set comprising a plurality of captions for playout at different timings during the associated presentation; and a cellular telephone having: i) a first receiver configured to receive, from said caption store, at least one set of captions for storage in the cellular telephone or to receive a sequence of captions for a presentation to be made to a user associated with the cellular telephone; ii) a microphone configured to receive the wireless acoustic signal of the presentation and to generate a corresponding electrical signal; iii) a synchronizer configured to process the electrical signal obtained from the microphone corresponding to said acoustic signal of said presentation, to determine synchronization information for use in defining the timing during the presentation at which each caption is to be output to the user associated with the cellular telephone; iv) a caption output operable to output each received caption to the user associated with the cellular telephone; and v) a timing controller configured to determine the timing during the presentation at which each caption should be output based on the synchronization information determined by said synchronizer and configured to control said caption output so that each caption is output to said user at the determined timing.