Issue 109 of European games development magazine Develop, published in September. www.develop-online.net. Develop is the leading industry publication for game design, coding, art, audio and business. Key features in this issue include a special focus on every aspect of game audio, from SFX and voice casting to music and management, a look at 20 years of Blitz Game Studios, a guide to bandwidth optimisation, an overview of the raw talent at Dare to be digital ProtoPlay, a profile of System 3, and all the latest news, tools, tech and service news, and opinion from industry leaders.