Hi, can someone kindly let me know how can I use FFMPEG to convert a video to 4:2:2 BIG YUV format as needed by VQM software (http://www.its.bldrdoc.gov/n3/video/)? Many thanks. Ryan -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.385 / Virus Database: 268.3.0/290 - Release Date: 3/23/2006