16-mm sound motion pictures : a manual for the professional and the amateur (1953)

Record Details:

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.

258 IX. SOUND-RECORDING EQUIPMENT AND ARRANGEMENT faction waves are recorded upon the other half; the signal when applied to a pushpull photocell by means of a divided light beam acts in a manner comparable with that of the output of a pair of electron tubes operating under class B conditions. In a 1 llll III UNILATERAL SINGLE COMPREX COMPREX DUPLEX AREA VARIABLE AREA VARIABLE DENSITY BILATERAL AREA DENSITY SPROCKET HOLE 100 SIGNAL 100 CONTROL 100 SIGNAL 100 CONTROL CONTROL TRACK III II BILATERAL VARIABLE AREA SINGLE VARIABLE DENSITY SQUEEZE COMPREX UNILATERAL AREA 50 SIGNAL 50 CONTROL COMPREX DENSITY i SIGNAL 50 CONTROL ERPI CONTROL TRACK 5 MIL PUSH-PULL VARIABLE AREA CLASS A PUSH-PULL VARIABLE DENSITY ERPI PUSH-PULL AREA 200 MIL MGM PUSH-PULL DENSITY -200 MIL 171/2 mm r,LM CONTROL TRACK OUTSIDE SPROCKET HOLES II II II DUPLEX VARIABLE AREA PUSH-PULL VARIABLE DENSITY SQUEEZE PUSH-PULL VARIABLE AREA CLASS B PUSH-PULL DENSITY 200 MIL PUSH-PULL VARIABLE AREA CLASS A-B PUSH-PULL CLASS A DIRECT POSITIVE FANTASOUND THREE SIGNALS Gi<E CONTROL BELL TEL LABS -AREA STEREOPHONIC THREE SIGNALS ONE CONTROL ERPI DENSITY STEREOPHONIC MOVIETONE Fig. 62. Sound track types and their accepted names. class A-B sound track, the light transmitted through one part of the track increases, while the light through the other part decreases ; the action is quite similar to that of a class A-B amplifier. A noise-reduction (bias) amplifier is used to provide unidirec