Certain embodiments disclosed herein include a system for synchronization of subtitles and human voice segments of an audiovisual content comprises: a human voice analyzer adapted to receive audio content of the audiovisual content and output human voice segments by identifying times where a human voice is present within the audio content; a subtitle analyzer adapted to receive subtitle content of the audiovisual content and output subtitle timing information for each subtitle; a subtitle and human voice misalignment analyzer communicatively connected to the human voice analyzer and to the subtitle analyzer, the subtitle and human voice misalignment analyzer adapted to receive the human voice segments from the human voice analyzer and the subtitles and their respective timing information from the subtitle analyzer and determine therefrom at least a timing delta value between the human voice segments and the subtitles and further determine at least a correction factor; and, a subtitle and audio content alignment unit communicatively connected to the human voice analyzer, to the subtitle analyze and to the subtitle and human voice misalignment analyzer, the subtitle and audio content alignment unit adapted to receive the audio content containing therein the human voice segments, the subtitles and corresponding timing information and the correction factor and output a synchronized subtitles and human voice segments audiovisual content, wherein the correction factor is used to reduce the timing delta value to below a predetermined threshold value.