productionadvice Ian Shepherd Cambridge Ian Shepherd is a British mastering engineer, Blu-ray and DVD author. He runs the popular Production Advice website and is the founder of Dynamic Range Day. He developed the acclaimed Perception and Dynameter plugins with MeterPlugs, and hosts The Mastering Show podcast productionadvice’s playlists Dynamic Range Day Competition by productionadvice published on 2011-03-19T19:07:18Z