Acoustics

My next web project will be on DIY acoustic treatment. Here is a breif start point.

Master Handbook of Acoustics
by F. Alton Everest, Ken Pohlmann

Face the truth: the room is one of the major, and maybe the most important factor effects your listening experience.
The Master Handbook of Acoustics gets you easily into the world of practical hands on acoustics. You will understand the two major aspects of sound behavior: absorption and diffusion. The book breaks some myths in its field like the fact sonex foam absorption factor against rock wool which is better and maybe 10 times cheaper. Also the truth about carpets and eggs:) You will learn how to design and build acoustic treatment for a listening room, a recording studio, a control room and a whole theater, and also understand what you are doing. In this case have to know nothing before going to read this book only common sense and passion to hear better.

The following are two models of sound diffusers I created after grasping this book.
If you interested in more information on DIY acoustic treatment, tell me.

The next two videos will give you a more than a clue about how much acoustic is major factor in your system.
You can hear them and feel it without a whole system.
RealTraps is an american company that supplies acoustic treatment, mainly in bass traps and absorbers.
There is also RPG - deals mainly with diffusers.

Treating a room with absorption and diffusion.

Sound diffuser types.

Modal Ringing and Resonance

Recorded Realism(for musicians)