Interior Design, Acoustic Room Design, Lighting Design, Electrical Design, Design Coordination with Audio Video and Automation. The work begins at the pre-design stage, which begins by exchanging ideas about the Style of Room Functions, Interior Design, and Audio Video Automation Technology that will be applied in the room. From the results of the brainstorming, it produces Pre-Design Concepts in the draft preview image in 3D space, schematic layout of the room, concept and objectives of acoustic design, concept and design of targeted lighting, schematic of audio-video equipment.