Il est une oeuvre d'art" R. Lumen by Camille Flammarion Book 4 editions published between and in English and held by 23 WorldCat member libraries worldwide The secretes of the space, astrology, eternity of souls. Traumatologie - appareil locomoteur by P Nataf Book 1 edition published in in French and held by 10 WorldCat member libraries worldwide. Lac mystere Visual 1 edition published in in French and held by 8 WorldCat member libraries worldwide After his brother sleeps with his wife, Eric leaves Montreal taking all the money out of the company they own as revenge.
He takes refuge in a cabin on a lake by the border of the United States and Quebec. His neighbor tells him there is a legend around the lake, which is called the Lake of Lost Souls. A notorious felon escapes prison and comes to the lake and threatens Eric and his neighbor. Audience Level. Related Identities.
Associated Subjects. M French 91 English 29 Spanish 3 Italian 3. Author , Translator , Composer , Illustrator. Zamacois 5.
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Pierre Turgeon (writer)
The equipment used in this demonstration represented the results of all our previous experimentation. The fact that the loudspeaker was placed near the projection screen, while the projector was at a great distance from it, created the necessity of additional electrical design. Since the phonograph had to be operated at the same speed as the original recording to maintain proper sound quality, and with the projector speed depending upon the phonograph, slight corrections, which became necessary due to the differences of one movement with respect to another, were made by means of a synchronization regulator Fig.
Several methods of connecting the apparatus were patented by our organization. One uses two small shunt d-c motors of almost the same power and supplied by the same current source. The armatures of these motors contained the same number of sections, and each section of one armature was connected with a corresponding section of the other armature and in the same order.
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Consequently, the first armature turned at the same angular displacement as the second Fig. The first armature controlled the phonograph and the second the projector. Synchronization was obtained by adjusting the speed of unwinding of the motion-picture film to the speed of the disk recording. Some time after this presentation it was learned that the same synchronization method had been patented by E. Thompson for the operation of looms. The General Electric Co. It is, of course, understood that photography and sound recording were made simultaneously by synchronizing the sound recorder with the camera.
Synchronization of sound and image was perfect, provided the simple precaution was taken of placing the first image in the projector picture gate and at the same time the needle at the extreme start of the disk. In later models the projector was started electrically by placing a contact on the phonograph disk. A rheostat in the motor circuit controlled the speed of both and kept the projector in accurate step with the phonograph. The speed of the latter, in turn, corresponded to the speed of the original sound recording, so that normal tone was reproduced after the speed adjustments were made.
By this method, the slightest difference between the emission of the sound and the lip movement of the actor could be easily corrected by means of the following device:. A special motor acting on a differential gear mounted on the shaft connecting the projector with the control motor could be operated in either direction by a reversing commutator.
Depending on the direction of rotation of the small motor, the projector speed could be accelerated or retarded to correspond with the speed of the phonograph, until the two units were again in perfect synchronization Fig. In addition to this, a panel within reach of the operator and near the phonograph connected all controls under one button, so that the projector could be instantly started at a chosen sound produced by the phonograph.
A voltmeter served as speed indicator and a multiple commutator as speed regulator Fig. Finally, a reversing commutator was used on the small motor of the differential gear. The phonograph contained two disks which were alternately and automatically operated to assure operation for an indefinite time.
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Different phonograph models were constructed in our factories for the use of disks with lateral impressions. This method gave, in fact, greater clarity and volume and permitted the needle to follow the groove more easily than the sapphire which is used in vertical position. In one of our inventions, the Elgephone, sound amplification was obtained by releasing compressed air through a double distributor. The Elgephone distributor insured a constant flow of compressed air without acting on the distributing disk, since this would be a source of distortion.
The compressed air is forced through a small tube A Fig. This method of amplification was more satisfactory than any other method known at that time. The volume was so great that the phonograph recordings could be heard in halls seating several thousand persons. Figure 6 shows the two units connected by the necessary cables, as well as the electric air compressor feeding the Elgephone. We knew that this solution of the problem was not final at that time, because the use of the disks limited recording and reproducing possibilities.
However, we were very sure that the application of sound by optical methods on film would no doubt eliminate this problem. Our tests were made on film different in dimension to the standard motion-picture film. The current modulated by the sound vibrations striking several very sensitive microphones flowed into a multistage amplifier and then into a two-wire mirror galvanometer.
A very fine light beam oscillating on the film between the picture and the perforations our film was 25mm recorded these modulations. This device represented the result of investigations with the Danish engineers, Petersen and Poulsen. We experimented also with recording on two separate films, one for the image and the other for the sound. The eventual solution was the recording of sound and image on the same film strip. The problem of sound recording was not the only one we studied. Our research on color motion-picture photography is recorded in history.
We preferred the well-known three-color additive method used throughout all our experiments. The principle of this method was explained by Gros and Ducos de Hauron in Each image appearing on the screen in natural colors was formed by superimposition of three images, violet, green and orange. The combined radiation of these three colors results in the reproduction of natural colors.
The image was photographed on the film by three objectives placed one above the other, each provided with a glass color filter. These three images were projected in superimposition through carefully aligned objectives and filters. In this process the single image of ordinary motion pictures is replaced by three images simultaneously projected and superimposed. If these three images had the same dimensions as used in ordinary motion pictures, 18 by 24 mm, each scene would require three times the length of film ordinarily used, and would necessitate very rapid movement of the film.
Therefore, it was decided to reduce the height of the film by one quarter. By this method, the film length was approximately two and one-half times that of ordinary films. As a further means to solve this difficulty, an intermittent movement capable of very long pulldown had to be made which was capable of transporting the film without undue strain, while guaranteeing absolutely perfect registration of the three images.
The composition of the separation filters had to be carefully studied to obtain the best possible natural color rendition, especially of pure whites, by superimposition of three monochrome images. The film had to be sufficiently hypersensitized to all colors to obtain panchromatization. The following color films were projected at the general meeting of the Photographic Society on November 15, Projections of flowers taken in the Vilmorin-Andrieux Gardens were shown, the vase containing the flowers was slowly turned giving a marvelous stereoscopic effect; projections of butterflies with brilliant colors magnificently reproduced their iridescent luster; and finally, outdoor views were shown, especially a view of the Deauville beach at the height of the social season.
Other pictures showed harvesters and other very pleasant country scenes creating the impression of a sunlit countryside with the most perfect reality. A demonstration of these three-color chronochrome motion pictures and of talking pictures was given by the U.
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The following program was presented:. Views of the Riviera 3. Mandolinette — study by artificial light 4. The Nice Carnival Fetes, 5. Rustic Scenes in France 6. The Cock That Crowed in the Morn nature study 7. The Broken Window sketch 8. Justice illustrated fable 9.