The talkies (1930)

Page scan 000213 from The talkies

Record Details:

Title:
The talkies
Date:
1930
Publisher:
London: Crosby Lockwood and Son
Volume:
The talkies
Leaf #:
000213
Language:
English
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 29, 2024
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

THE TALKIES 141 echoes and reverberations. The problem is further complicated by the fact that it is at present considered desirable to place the loudspeakers behind the special sound-porous screens fitted in theatres showing Talking Pictures, in order to heighten the illusion that the sound is coming from the screen. Where, therefore, there is an enclosed space behind the screen, this has to be very carefully draped, in order to prevent echoes and reverberations from it reaching the audience instead of the direct sound-wave from the loudspeakers. The time for which a sound will linger in an auditorium before it finally becomes inaudible is of the utmost importance. If this period is too long successive sounds and syllables of words will, as it were, trip over each other and produce a confused babel, the understandability of which is very poor. A shot fired into the open air is heard as a sharp crack, but if it is discharged in an enclosed room, it becomes a booming series of reverbations caused by the sound echoing backwards and forwards between the walls and ceilings. A great deal can be done by the introduction of sound-absorbing materials ; and a definite mathematical process has been evolved by which it is possible to calculate with reasonable accuracy,