The sound track book of the theatre (undated)

Record Details:

Title:
The sound track book of the theatre
Date:
undated
Publisher:
Chicago : The Sound Track
Volume:
The sound track book of the theatre
Leaf #:
000301
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
December 21, 2023
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ACOUSTICAL PROBLEMS 295 to arrange it in almost any design he chooses within the prescribed area. To work out the design he may be allowed a leeway of 5 0 square feet over or under the floor. Rear Wall If the rear wall of the average auditor Curved surfaces on side walls and a high ceiling requiring acoustical treatment 600 square feet and the only limitation is that he should not leave large panels of hard wall surface directly opposite each other across the room. Such surfaces will likely cause cross-reflection, or "flutter". It is desirable to bring the treated area down to a line about 5 lA feet from the ium is broken up, it usually requires about 300 square feet of material, with a coefficient of .80 to .98. If it has to remain flat and unbroken, it is completely covered from the ceiling down to a line about four inches above the head height of those seated in the back row.