Reverberation and Signal Delay
Acoustical reverberation chambers, often referred to as “echo” chambers, date from the 1930s and were used primarily for special effects in motion picture production. Their introduction into the mainstream of recording dates from the late 1940s. The early systems were mono-phonic, and natural stereo perspectives were difficult to achieve, even with a pair of mono chambers. During the late 1960s, digital hardware was developed that would ultimately simplify reverberation generation, and electronic signal delay (often called “time” delay) devices became commonplace.
KeywordsSound Field Mean Free Path Reverberation Time Direct Sound Room Size
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