First of all, I learned a lot from the posts here. I've read quite a bit, but I still consider myself a newbie when it comes to A/V world.
Since I have a new house to wire, I drew the following wiring chart based on my limited knowledge. I am sure there are many mistakes so I wish I can get advice from experts..
For the most part, the chart should be self-explanatory. What I want to achieve is basically
Questions

Since I have a new house to wire, I drew the following wiring chart based on my limited knowledge. I am sure there are many mistakes so I wish I can get advice from experts..
For the most part, the chart should be self-explanatory. What I want to achieve is basically
- share the video sources to other rooms as shown
- set up a "whole house background music system" that plays iTunes music at two zones (family and dining)
- Projector and HDTV at basement won't be turned on at the same time
- HDTV at master bedroom and HDTV at master bath share the same source all the time
Questions
- Does the diagram below work?
- Do the HDTV and Projector at basement get audio out of the AVR? If not, how to enable audio for the HDTV at least?
- it is acceptable that the stereos at family & dining on 1st floor always play the same music, but can I just turn on one of them or both of them?
- if the AVR is being used for 7.1 Audio, can I still use it for the stereo music at the same time?
- I wonder if it is possible control the AVR (network enabled) to achieve the desired feature above. I heard that there are some iPhone/iPad apps that allows you to control the AVR via WLAN. It is a little undesirable if I have to use an AVR app to turn on or set up AVR first and then use the Airplay app to play the iTunes music.
- The sat box that I have only has RCA output. Is there any adapter to convert it to HDMI to connect it to the HDMI matrix?
- The HDMI common denominator problem: If the HDTV at family room has only 2 ch. audio, does it mean that the 7.1 AVR won't get full audio input all the time? Or that only happens when the HDTV uses the same source as the AVR?
- Will the 1:2 HDMI splitter work given that the input is from HDMI matrix output?
- Any caveats or idea to improve the setup?