When we undertake a design and installation for a theatre system we like to consider the following checklist courtesy of THX in the design and set up. It's a typical range of parameters for a dedicated HT room:

1. Performance Goals
2. Designing the Room for Sound Quality
3. Room Dimension
4. Sound Isolation Strategies
5. Noise Control
6. Vibration Control
7. Model Decay Time
8. Determine Absorption Area
9. Determine Diffusion Area
10. Determine Treatment Locations
11. Treat Echoes
12. Place Listener
13. Place Sound System
14. Design Integration
15. Designing the Room for Picture Quality
16. Light Control
17. Picture Location
18. Sight Lines
19. Audio Component Selection
20. Electronics
21. Loudspeakers
22. Audio Component Placement
23. Electronics
24. LCR vs. Surround Speakers
25. Relative to Screen and Listeners
27. Height
28. Spread
29. Video Component Selection
30. Projectors
31. Projection screens
32. Screen Size and “Gain”
33. Direct View Sets
34. Video Placement
35. Heat Dissipation
36. Noise Control
37. Seating Placement
38. Relative to Screen
39. Relative to Room Modes
40. Control System Design
41. Theater Only
42. Whole House Systems
43. Project Management
44. Planning and Design
45. Costing