Dear all, I would like to ask in h.264, what's the use of IDR picture mode? thx. Regards, Carmen ----------------------------------------------------------------------------------- ÆF®æ·¡G ¾Ç^»y¡A°e¢°¢´°ó´¶³q¸Ü http://www.linguaphonegroup.com/BannerTrack.asp?EMSCode=HKI03-06ETFM-0814