PROCEDIMIENTO Y DISPOSITIVO PARA SINCRONIZAR SUBTITULOS CON AUDIO EN SUBTITULACION EN DIRECTO.
摘要
The present invention relates to a method and device for synchronizing subtitles with audio in live subtitling, wherein live subtitle and audio synchronization that is proposed determines an individual subtitle delay ”t i of each subtitle i and creates a subtitle unit S i with the subtitle i and the individual subtitle delay ”t i . Each subtitle unit S i is introduced in one or more subtitle PES packets with a presentation time stamp PTS i and together with a configurable associated shift delay REST. Said packets are part of an extended transport stream including audio packets containing at least one audio fragment j and a presentation time stamp PTS j . The synchronization of subtitle packets with audio packets is performed by creating a synchronized transport stream comprising all the packets of the extended transport stream delayed a time depending on a configurable associated shift delay REST.
申请公布号
ES2370218(A1)
申请公布日期
2011.12.13
申请号
ES20100030758
申请日期
2010.05.20
申请人
UNIVERSIDAD CARLOS III DE MADRID
发明人
DE CASTRO ALVAREZ, MERCEDES;DE PEDRO SASTRE, MANUEL;RUIZ MEZCUA, BELEN;JIMENEZ DORADO, JAVIER