Acoustics / Studio Design

I'd like to use some Rockwool in my studio to improve the acoustics, but this is the first time I'll have used it, so I could...

The diagram to the right shows my room, which serves as my studio. The dimensions seem to be bad for low frequencies and there...

Having just purchased my first house, I've found myself living on a busier road than I would have liked. My studio is at the...