A Vitaphone projection system was demonstrated in 1926. Engineer E. B. Craft holds a soundtrack disc. The turntable, on a massive tripod base, is at lower center.Don Juan (1926)Don Juan premiered in New York City.
Vitaphone was a sound film system used for feature films and nearly 1,000 short subjects made by Warner Bros. and its sister studio First National from 1926 to 1931. Vitaphone is the last major analog sound-on-disc system and the only one that was widely used and commercially successful. The soundtrack is not printed on the film, but issued separately on phonograph records. The discs, recorded at 33+1⁄3rpm (a speed first used for this system) and typically 16 inches (41cm) in diameter, are played on a turntable physically coupled to the projector motor while the film is projected. Its frequency response is 4300Hz.[1] Many early talkies, such as The Jazz Singer (1927), used the Vitaphone system. The name "Vitaphone" derived from the Latin and Greek words, respectively, for "living" and "sound".
The "Vitaphone" trademark was later associated with cartoons and other short subjects that have optical soundtracks and do not use discs.
Early history
In the early 1920s, Western Electric was developing both sound-on-film and sound-on-disc systems, aided by the purchase of Lee De Forest's Audion amplifier tube in 1913, consequent advances in public address systems, and the first practical condenser microphone, which Western Electric engineer E.C. Wente had created in 1916 and greatly improved in 1922. De Forest debuted his own Phonofilm sound-on-film system in New York City on April15, 1923, but due to the relatively poor sound quality of Phonofilm and the impressive state-of-the-art sound heard in Western Electric's private demonstrations, the Warner Brothers decided to go forward with the industrial giant and the more familiar disc technology.
The business was established at Western Electric's Bell Laboratories in New York City and acquired by Warner Bros. in April 1925.[2] Warner Bros. introduced Vitaphone on August 5, 1926, with the premiere of their silent feature Don Juan,[3] which had been retrofitted with a symphonic musical score and sound effects. There was no spoken dialog. The feature was preceded by a program of short subjects with live-recorded sound, nearly all featuring classical instrumentalists and opera stars. The only "pop music" artist was guitarist Roy Smeck and the only actual "talkie" was the short film that opened the program: four minutes of introductory remarks by motion picture industry spokesman Will Hays.
Don Juan was able to draw huge sums of money at the box office,[2] but was not able to recoup the expenses Warner Bros. put into the film's production.[4] After its financial failure, Paramount head Adolph Zukor offered Sam Warner a deal as an executive producer for Paramount if he brought Vitaphone with him.[5] Sam, not wanting to take any more of Harry Warner's refusal to move forward with using sound in future Warner films, agreed to accept Zukor's offer,[5] but the deal died after Paramount lost money in the wake of Rudolph Valentino's death.[5] Harry eventually agreed to accept Sam's demands.[6] Sam then pushed ahead with a new Vitaphone feature starring Al Jolson, the Broadway dynamo who had already scored a big hit with early Vitaphone audiences in A Plantation Act, a musical short released on October7, 1926. On October6, 1927, The Jazz Singer premiered at the Warner Theater in New York City, broke box-office records, established Warner Bros. as a major player in Hollywood, and is traditionally credited with single-handedly launching the talkie revolution.
The Jazz Singer (1927)
At first, the production of Vitaphone shorts and the recording of orchestral scores were strictly a New York phenomenon, taking advantage of the bountiful supply of stage and concert hall talent there, but the Warners soon migrated some of this activity to their more spacious facilities on the West Coast. Dance band leader Henry Halstead is given credit for starring in the first Vitaphone short subject filmed in Hollywood instead of New York. Carnival Night in Paris (1927) featured the Henry Halstead Orchestra and a cast of hundreds of costumed dancers in a Carnival atmosphere.
Process
From the perspective of the cast and crew on the sound stage, there was little difference between filming with Vitaphone and a sound-on-film system. In the early years of sound, the noisy cameras and their operators were enclosed in soundproofed booths with small windows made of thick glass. Cables suspended the microphones in fixed positions just above camera range, and sometimes they were hidden behind objects in the scene. The recording machines were usually located in a separate building to completely isolate them from sound stage floor vibrations and other undesirable influences. The audio signal was sent from an on-stage monitoring and control booth to the recording room over a heavy shielded cable. Synchronization was maintained by driving all the cameras and recorders with synchronous electric motors powered from a common source. When music and sound effects were being recorded to accompany existing film footage, the film was projected so that the conductor could synchronize the music with the visual cues and it was the projector, rather than a camera, that was electrically interlocked with the recording machine.
Except for the unusual disc size and speed, the physical record-making process was the same one employed by contemporary record companies to make smaller discs for home use. The recording lathe cut an audio-signal-modulated spiral groove into the polished surface of a thick round slab of wax-like material rotating on a turntable. The wax was much too soft to be played in the usual way, but a specially supported and guided pickup could be used to play it back immediately in order to detect any sound problems that might have gone unnoticed during the filming. If problems were found, the scene could then be re-shot while everything was still in place, minimizing additional expense. Even the lightest playback caused some damage to the wax master, so it was customary to employ two recorders and simultaneously record two waxes, one to play and the other to be sent for processing if that "take" of the scene was approved. At the processing plant, the surface of the wax was rendered electrically conductive and electroplated to produce a metal mold or "stamper" with a ridge instead of a groove, and this was used to press hard shellac discs from molten "biscuits" of the raw material.[7]
Because of the universal desirability of an immediate playback capability, even studios using sound-on-film systems employed a wax disc "playback machine" in tandem with their film recorders, as it was impossible to play an optical recording until it had made the round trip to the film processing laboratory.[7]
A Vitaphone-equipped theater had normal projectors which had been furnished with special phonograph turntables and pickups; a fader; an amplifier; and a loudspeaker system. The projectors operated just as motorized silent projectors did, but at a fixed speed of 24 frames per second and mechanically interlocked with the attached turntables. When each projector was threaded, the projectionist would align a start mark on the film with the film gate, then cue up the corresponding soundtrack disc on the turntable, being careful to place the phonograph needle at a point indicated by an arrow scribed on the record's surface. When the projector was started, it rotated the linked turntable and (in theory) automatically kept the record "in sync" (correctly synchronized) with the projected image.[7]
The Vitaphone process made several improvements over previous systems:
Amplification – The Vitaphone system used electronic amplification based on Lee De Forest's Audion tube. This allowed the sound to be played to a large audience at a comfortable volume. Vitaphone was far from the first sound film system to use this technology, but it had amplifiers and loudspeakers, developed by Western Electric, which were state-of-the-art. Their performance was greatly superior to anything else of the kind then available, including the equipment used by De Forest to present his own Phonofilm sound-on-film exhibitions.
Fidelity – Contrary to conventional wisdom, neither Vitaphone's ability to fill a theater with an adequate volume of sound nor its success in maintaining synchronization was unprecedented. Léon Gaumont's sound-on-disc films, which were being shown twenty years earlier, were successfully synchronized by the use of electrically interlinked multi-pole synchronous motors, and a pneumatic amplification system more than sufficed to fill Gaumont's 3,400-seat flagship theater in Paris with the recorded sound.[8] That sound, however, had to be recorded by the same insensitive non-electronic method introduced by Thomas Edison in 1877, or alternatively by a very crude microphone-based variant which had logistical advantages but did not offer improved fidelity. The resulting sound, however greatly amplified it might be, was tinny and unclear and speech was difficult to understand. The footsteps and other incidental sounds that audiences instinctively expected to hear were missing. It did not sound "natural". The Vitaphone system derived from extensive work on electronically recording and reproducing sound that had been carried out at Western Electric during the first half of the 1920s. Western Electric's engineers had developed a highly sensitive full-frequency-range condenser microphone, capable of capturing a whisper from several feet away, along with the electronic and mechanical equipment necessary to adequately record the audio signal it produced. As a result, the quality of Vitaphone sound in the theater came as a revelation to the audience at its public debut in 1926. It easily and dramatically surpassed anything previously achieved. It even surpassed the sound quality of Western Electric's own sound-on-film system, developed concurrently with the sound-on-disc system but still in the laboratory at that time, because at first the discs yielded better fidelity than an optical sound track.
These innovations notwithstanding, the Vitaphone process lost the early format war with sound-on-film processes for many reasons:
Distribution – Vitaphone records had to be distributed along with film prints, and shipping the records required a whole infrastructure apart from the already-existing film distribution system. The records would start to suffer from audible wear after an estimated 20 playings (a check box system on the label was used to keep count) and were then supposed to be replaced with a fresh set. Damage and breakage were inherent dangers, so a spare set of discs was usually kept on hand, further adding to the costs.
Synchronization – Vitaphone was vulnerable to severe synchronization problems, famously spoofed in MGM's 1952 musical Singin' in the Rain.[9] If a record were improperly cued up, it would start out of sync with the picture and the projectionist would have to try to manually acquire sync. If the wrong record had been cued up there was no realistic option but to pause the show for a few minutes while swapping in the correct disc, resetting everything and starting that reel again. If the film print became damaged and was not precisely repaired, the relationship between the record and the print would be thrown off, also causing a loss of sync. Vitaphone projectors had special levers and linkages to advance and retard sync, but only within certain limits. Scrupulous care and attention were demanded from the projectionist. In the absence of human error and the occasional malfunction that can befall any complicated machine, the Vitaphone system worked as intended, but when a problem did occur it could be an embarrassing disaster.
Editing – A phonograph record cannot be physically edited, and this significantly limited the creative potential of Vitaphone films. Warner Bros. went to great expense to develop a highly complex phonograph-based dubbing system, using synchronous motors and Strowger switch-triggered playback phonographs. Multiple source discs would be carefully cued up, then parts of each in turn were dubbed to a new master disc. The cutting of the new wax master could not be paused, so each playback turntable had to be started at just the right moment and each signal switched to the recorder at just the right moment. The system worked, but imprecisely enough that the reel of film often required some adjustment, by adding or removing one or more film frames at imperfectly matched edit points, to conform it to the disc of edited sound. This discouraged frequent changes of scene in the film and the lively pace that they created. Editing sound on disc was a nightmare for the editor, and it was increasingly obvious to everyone that while the system sufficed for musical shorts and a synchronized musical accompaniment for otherwise silent films (the only applications originally planned), it was a clumsy way to make a feature-length film with "live" sound. By the middle of 1931, Warner Bros.-First National had thrown in the towel and was recording and editing optical sound on film, like all the other studios, and only then dubbing the completed soundtrack to discs for use with the Vitaphone projection system.
Fidelity versus Sound-on-Film – The fidelity of sound-on-film processes was improved considerably after the early work by Lee De Forest on his Phonofilm system and that of his former associate Theodore Case on what eventually became the FoxMovietone system, introduced in 1927. The De Forest and Case-Fox systems used variable-density soundtracks, but the variable-area soundtrack used by RCA Photophone, introduced in 1928, eventually predominated. Although the fidelity of optical sound never quite caught up with ongoing improvements in disc recording technology, for practical purposes the early quality advantage of discs had been overcome within a few years.
Vitaphone was the market leader in the early days of talking pictures, for two key reasons. First, the new novelty was very popular with the public, with The Jazz Singer being a monster hit. It was in theater owners' best interest to compete as soon as possible. Second, a much more practical reason was the cost. Converting a silent-only theater to sound was much quicker and cheaper with the Vitaphone sound-on-disc system than it was with the Movietone sound-on-film system. Exhibitors with limited incomes opted for Vitaphone, particularly in smaller towns. The Vitaphone brand name became synonymous with talking pictures in general; as early as 1928, theater organists, thrown out of work when their bosses discontinued silent pictures, placed situation-wanted ads in trade papers with the melancholy phrase "Reason for leaving due to Vitaphone."[10]
After the improvement of the competing sound-on-film systems, Vitaphone's disadvantages led to its retirement early in the sound era. Warner Bros. and First National stopped recording directly to disc and switched to RCA Photophone sound-on-film recording. Warner Bros. had to publicly concede that Vitaphone was being retired, but put a positive spin on it by announcing that Warner films would now be available in both sound-on-film and sound-on-disc versions. Thus, instead of making a grudging admission that its technology had become obsolete, Warner Bros. purported to be doing the entire movie industry a favor.
Despite the fact that Warner Bros. still used Vitaphone as a brand name, the soundtrack-disc era was largely over by 1931.[11] Many theater owners, who had invested heavily in Vitaphone equipment only a short time before, were financially unable or unwilling to replace their sound-on-disc-only equipment. Their continuing need for discs compelled most Hollywood studios to prepare sets of soundtrack discs for their new films, made by dubbing from the optical soundtracks, and supply them as required. This practice continued, although on an ever-dwindling scale, through 1937.
Vitaphone soundtrack discs
In 1924–1925, when Western Electric established the format of the system which would eventually be named Vitaphone, they settled on a 16-inch (41cm) diameter disc rotating at 33+1⁄3rpm as a good practical compromise of disc size and speed. The slow speed permitted the 11-minute playing time needed to match the maximum running time of a then-standard 1000 foot (300 meter) reel of film projected at 24fps, yet the increased diameter preserved the average effective groove velocity, and therefore the sound quality, of a smaller, shorter-playing record rotating at the then-standard speed of about 78rpm.[12]
Like ordinary pre-vinyl records, Vitaphone discs were made of a shellac compound rendered lightly abrasive by its major constituent, finely pulverized rock. Such records were played with a very inexpensive, imprecisely mass-produced steel needle with a point that quickly wore to fit the contour of the groove, but then went on to wear out in the course of playing one disc side, after which it was meant to be discarded and replaced. Unlike ordinary records, Vitaphone discs were recorded inside out, so that the groove started near the synchronization arrow scribed in the blank area around the label and proceeded outward. During playback, the needle would therefore be fresh where the groove's undulations were most closely packed and needed the most accurate tracing, and suffering from wear only as the much more widely spaced and easily traced undulations toward the edge of the disc were encountered.
Initially, Vitaphone discs had a recording on one side only, each reel of film having its own disc. As the sound-on-disc method was slowly relegated to second-class status, cost-cutting changes were instituted, first by making use of both sides of each disc for non-consecutive reels of film, then by reducing the discs to 14 or 12 inches (36 or 30cm) in diameter. The use of RCA Victor's new "Vitrolac", a lightweight, flexible and less abrasive vinyl-based compound, made it possible to downsize the discs while actually improving their sound quality.[13]
There were exceptions to the 16-inch (41cm) standard size of 1920s Vitaphone discs. In the case of very short films, such as trailers and some of the earliest musical shorts, the recording, still cut at 33+1⁄3rpm and working outward from a minimum diameter of about 7+1⁄2 inches (19cm), was pressed on a 12-or-10-inch (30 or 25cm) disc when the smaller size sufficed.
Vitaphone shorts
Warners bought the Vitagraph studio in 1925 and used its Brooklyn, New York facility for working out practical sound-film production techniques and filming musical shorts. The previously nameless Western Electric sound-on-disc system was named Vitaphone, deriving from the Warner-owned Vitagraph name.
In 1991, The Vitaphone Project was started by a group of five vintage record collectors and movie enthusiasts.[14][15] Since the soundtrack discs and film prints of Vitaphone productions often became separated, The Vitaphone Project searches for original 16-inch soundtrack discs and mute film elements that go with surviving soundtrack discs. The Vitaphone Project borrows or purchases soundtrack discs from private collectors and often works with the restoration labs at the University of California at Los Angeles to create new 35mm preservation prints that combine the original picture and sound elements. The Vitaphone Project also often partners with the Library of Congress and the British Film Institute.[16]
As of December 2016, The Vitaphone Project had located about 6,500 soundtrack discs in private collections and helped preserve 125 films, 12 of which were feature-length films. They have also raised $400,000 in donations, with Hugh Hefner being a notable donor.[16]
The Vitaphone Project has been able to help restore films featuring stars such as Rose Marie and Al Jolson. They also worked with Warner Brothers to restore 1929's Why Be Good?, the final silent film made by Colleen Moore.[16] Funding raised by The Vitaphone Project was used to restore 1928's The Beau Brummels, starring vaudeville duo Al Shaw and Sam Lee, which was added to the National Film Registry in 2016.[17][18]
Vitaphone and Vitagraph brand names
Warner Bros. was careful to preserve the Vitaphone and Vitagraph brand names, just as it had preserved the First National brand name for its second-echelon feature films.
Vitaphone had made its reputation largely for its short subjects, so the Warner live-action shorts and animated cartoons were copyrighted by The Vitaphone Corporation until 1959 and marketed under the Vitaphone brand name.
Vitagraph had ceased operations in 1925. In 1932, producer Leon Schlesinger made a very-low-budget series of six John Wayne western features. These were so very cheap that Warner Bros. elected not to put its own name on them, or even the First National name. They were released under the Vitagraph name, which Warner still owned.
Warner Bros. stopped making live-action short subjects in 1956, and The Vitaphone Corporation was officially dissolved at the end of 1959. Warner then used the brand names for various purposes, to keep them active legally. In the 1950s, the Warner Bros. record label boasted "Vitaphonic" high-fidelity recording. In the 1960s, the end titles of Merrie Melodies cartoons (beginning with From Hare to Heir 1960) carried the legend "A Vitaphone Release". Looney Tunes of the same period (beginning with that same year's Hopalong Casualty) were credited as "A Vitagraph Release". By late 1968, the Vitaphone/Vitagraph titles had become interchangeable between the Looney Tunes and Merrie Melodies series titles.
Legacy
Vitaphone was among the first 25 inductees into the TECnology Hall of Fame at its establishment in 2004, an honor given to "products and innovations that have had an enduring impact on the development of audio technology." The award notes that Vitaphone, though short-lived, helped in popularizing theater sound and was critical in stimulating the development of the modern sound reinforcement system.[19]
Though operating on principles so different as to make it unrecognizable to a Vitaphone engineer, DTS is a sound-on-disc system, the first to gain wide adoption since the abandonment of Vitaphone.
Warner Bros. Entertainment Inc. is an American film and entertainment studio headquartered at the Warner Bros. Studios complex in Burbank, California, and a subsidiary of Warner Bros. Discovery (WBD). Founded in 1923 by four brothers, Harry, Albert, Sam, and Jack Warner, the company established itself as a leader in the American film industry before diversifying into animation, television, and video games, and is one of the "Big Five" major American film studios, as well as a member of the Motion Picture Association (MPA).
A sound film is a motion picture with synchronized sound, or sound technologically coupled to image, as opposed to a silent film. The first known public exhibition of projected sound films took place in Paris in 1900, but decades passed before sound motion pictures became commercially practical. Reliable synchronization was difficult to achieve with the early sound-on-disc systems, and amplification and recording quality were also inadequate. Innovations in sound-on-film led to the first commercial screening of short motion pictures using the technology, which took place in 1923. The sound film was also played with organs or pianos in the actual movie to represent sound.
Samuel Louis Warner was an American film producer who was the co-founder and chief executive officer of Warner Bros. He established the studio along with his brothers Harry, Albert, and Jack L. Warner. Sam Warner is credited with procuring the technology that enabled Warner Bros. to produce the film industry's first feature-length talking picture, The Jazz Singer. He died in 1927, on the day before the film's enormously successful premiere.
Sound-on-film is a class of sound film processes where the sound accompanying a picture is recorded on photographic film, usually, but not always, the same strip of film carrying the picture. Sound-on-film processes can either record an analog sound track or digital sound track, and may record the signal either optically or magnetically. Earlier technologies were sound-on-disc, meaning the film's soundtrack would be on a separate phonograph record.
Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration of two loudspeakers in such a way as to create the impression of sound heard from various directions, as in natural hearing.
Abraham "Albert" Warner was an American film executive who was one of the founders of Warner Bros. He established the production studio with his brothers Harry, Sam, and Jack L. Warner. He served as the studio's treasurer until he sold his stock in 1956.
The Movietone sound system is an optical sound-on-film method of recording sound for motion pictures that guarantees synchronization between sound and picture. It achieves this by recording the sound as a variable-density optical track on the same strip of film that records the pictures. The initial version was capable of a frequency response of 8500 Hz. Although modern sound films use variable-area tracks instead, modern motion picture theaters can play a Movietone film without modification to the projector. Movietone was one of four motion picture sound systems under development in the U.S. during the 1920s, the others being DeForest Phonofilm, Warner Brothers' Vitaphone, and RCA Photophone, though Phonofilm was principally an early version of Movietone.
Sound recording and reproduction is the electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording.
Don Juan is a 1926 synchronized sound American romantic adventure film directed by Alan Crosland. It is the first feature-length film to utilize the Vitaphone sound-on-disc sound system with a synchronized musical score and sound effects, though it has no spoken dialogue. The film is inspired by Lord Byron's 1821 epic poem of the same name. The screenplay was written by Bess Meredyth with intertitles by Maude Fulton and Walter Anthony.
The history of sound recording - which has progressed in waves, driven by the invention and commercial introduction of new technologies — can be roughly divided into four main periods:
RCA Photophone was the trade name given to one of four major competing technologies that emerged in the American film industry in the late 1920s for synchronizing electrically recorded audio to a motion picture image. RCA Photophone was an optical sound, "variable-area" film exposure system, in which the modulated area (width) corresponded to the waveform of the audio signal. The three other major technologies were the Warner Bros. Vitaphone sound-on-disc system, as well as two "variable-density" sound-on-film systems, Lee De Forest's Phonofilm, and Fox-Case's Movietone.
Phonofilm is an optical sound-on-film system developed by inventors Lee de Forest and Theodore Case in the early 1920s.
Optical sound is a means of storing sound recordings on transparent film. Originally developed for military purposes, the technology first saw widespread use in the 1920s as a sound-on-film format for motion pictures. Optical sound eventually superseded all other sound film technologies until the advent of digital sound became the standard in cinema projection booths. Optical sound has also been used for multitrack recording and for creating effects in some musical synthesizers.
My Man is a 1928 black and white sound part-talkie American comedy-drama musical film directed by Archie Mayo starring Fanny Brice and featuring Guinn "Big Boy" Williams. In addition to sequences with audible dialogue or talking sequences, the film features a synchronized musical score and sound effects along with English intertitles. The soundtrack was recorded using the Vitaphone sound-on-disc system.
Hardboiled Rose is a 1929 American sound part-talkie romantic drama film directed by F. Harmon Weight and released by Warner Bros. In addition to sequences with audible dialogue or talking sequences, the film features a synchronized musical score and sound effects along with English intertitles. The soundtrack was recorded using the Vitaphone sound-on-disc system. The film starred Myrna Loy, William Collier, Jr., and John Miljan.
The Redeeming Sin is a 1929 crime drama sound part-talkie film. In addition to sequences with audible dialogue or talking sequences, the film features a synchronized musical score and sound effects along with English intertitles. The soundtrack was recorded using the Vitaphone sound-on-disc system. It was produced and distributed by Warner Bros. and stars Dolores Costello. This film is a lost film.
Vitaphone Varieties is a series title used for all of Warner Bros.', earliest short film "talkies" of the 1920s, initially made using the Vitaphone sound on disc process before a switch to the sound-on-film format early in the 1930s. These were the first major film studio-backed sound films, initially showcased with the 1926 synchronized scored features Don Juan and The Better 'Ole. Although independent producers like Lee de Forest's Phonofilm were successfully making sound film shorts as early as 1922, they were very limited in their distribution and their audio was generally not as loud and clear in theaters as Vitaphone's. The success of the early Vitaphone shorts, initially filmed only in New York, helped launch the sound revolution in Hollywood.
The Better 'Ole is a 1926 American synchronized sound World War I comedy drama film. Released by Warner Bros. Pictures, Inc., this film is the second full-length film to utilize the Vitaphone sound-on-disc process, two months after the first Vitaphone feature Don Juan; with no audible dialogue, the film does have a synchronized musical score and sound effects. This film was also the second onscreen adaptation of the 1917 musical The Better 'Ole by Bruce Bairnsfather and Arthur Elliot. Charlie Chaplin's eldest brother Sydney Chaplin played the main lead as Old Bill in perhaps his best-known film today. This film is also believed by many to have the first spoken word of dialog, "coffee", although there are those who disagree. At one point during the film, Harold Goodwin's character whispers a word to Sydney Chaplin which is also faintly heard. This was discovered by the UCLA's Robert Gitt, during the restoration of the sound discs for the film. The line was recorded in perfect sync, apparently during the orchestra recording sessions rather than live on set, therefore making it the earliest known use of dubbing in a motion picture.
The Little Wildcat is a 1928 American sound part-talkie comedy drama film directed by Ray Enright and starring Audrey Ferris, James Murray and Robert Edeson. In addition to sequences with audible dialogue or talking sequences, the film features a synchronized musical score and sound effects along with English intertitles. The soundtrack was recorded using the Vitaphone sound-on-disc system.
↑ The initial garbling of image and sound simulated in the Singin' in the Rain scene are a far better depiction of a major foul-up in sound-on-film projection than of a sound-on-disc glitch, but the following comical mismatches are a fair depiction of the sort of memorable problem that could disrupt a Vitaphone presentation on a bad day.
↑ Motion Picture Herald-World, December 29, 1928, p. 81.
↑ Grayson, Eric. "Grayson on Film: Sounds and Silences", Classic Images. September 2022
↑ Barton, F.C. (1932 [1931]). Victrolac Motion Picture Records. Journal of the Society of Motion Picture Engineers, April 1932 18(4):452–460 (accessed at archive.org on August 5, 2011)
Eyman, Scott (1997), The Speed of Sound: Hollywood and the Talkie Revolution, 1926-1930, Simon & Schuster, NYC. ISBN0-684-81162-6
Liebman, Roy (2003), Vitaphone Films: A Catalogue of the Features and Shorts, McFarland & Company. ISBN0-7864-1279-8
Thrasher, Frederic (ed.) (1946) Okay for Sound: How the Screen Found its Voice, Duell, Sloan & Pearce, New York
Warner Bros.' story.
Warner-Sperling, Cass; Millner, Cork; and Warner, Jack (1999). Hollywood Be Thy Name: The Warner Brothers Story, University Press of Kentucky. ISBN0-8131-0958-2
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