What’s the difference between direct and indirect sounds?


People consider all sounds the same thing – except for when they distinguish it from what they think is noise. However, is that the case? In reality, there are two types of sounds.

  • Direct sound is that sound which is directly making a trip from the source to the accepting point.

  • Indirect sound implies that it is not going directly or so to say; from our mouth to the opposite person’s ear.

Say if there is a divider here, indirect sound means that the sound is going to ricochet off the divider and only then into the opposite person’s ear.

Indirect sound and direct sound characterization are, for the most part, inward acoustics. A huge hall or possibly in a major home theatre it applies perfectly. For instance, the sound of you speaking to the person sitting beside you in a theatre is an example of direct sound, whereas the sound of the dialogues and music from the movie comes from the speakers, reverberates on the walls and then hits your ear.

If you have some absorption on the walls, it will stay away from reflection. That depends on good interior design ideas.

Similarly, at home people who are conversing with each other is direct sound. There is not any indirect sound in a house since it's such a little room, the reflections are firmly separated you don't hear it. If you are in a hall and after that if you sing on the indirect stage sound is all the resonation that is going on.

There are numerous theatres/lobbies where it is exceptionally hard to comprehend what is being said in front of an audience, due to thoughtless interior design ideas.

This is where the problem arises, because as you listen to consecutive things being said, the first one is still being reflected around till it reaches your ear. It makes the sound all misty, and herein lays the part where we need to bridge the gap between both kinds of sounds.

Such circumstances can be resolved by the utilisation of some absorptive material on the interior design that can retain commotion and provide clarity of audio.
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