Sound absorbing materials can improve room acoustics, noise control to reduce sound pressure levels with woodlot, iso block, aphony fibrette, absorb wool. A sound absorbing materials is a structure placed above or behind a pulpit or other speaking platform which helps to project the sound of the speaker. Soundproofing is the art correctly understanding the noise source and accordingly specifying or suggesting the client products that are suitable for the purpose and function of the space or room or hall. It is very easy to over specify when it comes to soundproofing as this will eventually overshoot client’s budget and may not always match the satisfactory levels of the client as budget plays a very important role.