def generate_srt_from_sjson(sjson_subs):
        """
        Generate transcripts from sjson to SubRip (*.srt).

        Arguments:
            sjson_subs (dict): `sjson` subs.

        Returns:
            Subtitles in SRT format.
        """

        output = ''

        equal_len = len(sjson_subs['start']) == len(sjson_subs['end']) == len(sjson_subs['text'])
        if not equal_len:
            return output

        for i in range(len(sjson_subs['start'])):
            item = SubRipItem(
                index=i,
                start=SubRipTime(milliseconds=sjson_subs['start'][i]),
                end=SubRipTime(milliseconds=sjson_subs['end'][i]),
                text=sjson_subs['text'][i]
            )
            output += (six.text_type(item))
            output += '\n'
        return output