**2.2 Acoustical design in the historical eras**

A long time before the recent advancements and technologies, the different civilizations managed the available science they acquired from their previous ancestors and developed their daily life needs. By surfing among the different historical eras, we will discover that they had many solutions to solve their acoustical needs. Some of these solutions were, as per nowadays rules, architectural, and others were interiors!

From the prehistorical to the modern eras, diverse interpretation were used to enhance the sound level and the sound projection within interior spaces for the benefits of the event. Most of these events were educational, and their purpose was informing the communities with specific attained knowledge.
