Tenson submitted a new article: [url=https://www.audio-forums.com/articles/diffuse-sound.7/]Diffuse Sound[/url] - Diffuse Sound [quote]I'd like to introduce a method of displaying reflections in a room. This is called an ETC graph. It stands for Energy Time Curve. On the horizontal axis we have time, usually in milliseconds. On the vertical axis we have energy, you can think about this as sound level. A sound source in a room makes an impulse, a strong and very quick sound that contains all frequencies. In the old days before my time, it was often an air pistol puncturing a membrane. On the graph at zero time, we should see...[/quote] [url=https://www.audio-forums.com/articles/diffuse-sound.7/]Read more about this article...[/url]