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I am using REW to help in conditioning a room and tuning my sound system. Before I started using the program I looked at other similar programs . I decided to use REW because it has good functionality, a nice user interface and, most importantly to me, well written documentation.
Many users of REW, like me, are not professional acousticians. For us, documentation is critical. This leads me to the first proposal.

Proposal 1: “How to use REW” manual.
As good as the current documentation is it does not tell you how to use the program to solve problems. General books like “Master Handbook of Acoustics” are useful to understand the theory but again, how does that translate into REW? I will use room conditioning as an example but the logic applies to other situations like crossover and speaker design.

I would like to see a book with chapters like:
- How to use REW to position speakers.
- How to use REW to position subwoofers.
- How to use REW to do room conditioning.
- How to use REW to define equalizer filters.
- Etc.

This is a major project that would take months to complete. One way to ease the task is to follow what is often done in academia: John would serve as editor and different people could write the different chapters. There could even be multiple authors with different approaches in the same chapter.
I will leave open the question of whether this should be a formal publication or a web only version. What is important is that this book would broaden the attractiveness of REW and make the technology available to more people.

Proposal 2: Automated analysis

The second proposal pushes the same logic one step further. The program could propose a number of scripts, in wizard form, that would present a number of steps to perform a task. Using room conditioning once again as an example, the program would set the appropriate parameters and ask the user to position the microphone in different positions to take measurements (something similar to what Audyssey already does).
Once the measurements have been collected, the program would analyze the data in both the frequency and the time domain and make recommendations.

The program could say things like:
- There is booming bass because of standing waves at frequencies x, y and z
- The RT60 of 600 msec. is too long
- There are strong reverberations at 4 and 12 msec.
- Or more positively: congratulations, your system is well tuned.
Once again this is a major project but just imagine how much more useful the program would be if it provided such functionality.
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