THX sound is like a quality standard proposed by Lucas Film for the optimal playback system of sound effects in either the film studio or the dubbing studio and the theatre. In other words, with this system the sound track devised by a filmmaker can be played back in any theatre with a certain consistent level of quality maintained.
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Developed by the Digital Theatre Systems Company, DTS was developed for theatre use to play back digitally recorded signals . The digital sound track is recorded not on the film, but is recorded separately on a CD-ROM. A time code is recorded on the film to make playback of sound and image completely automated and in sync. Today DTS amps are affordable for home use with many DVD recorded in DTS as well as the competing Dolby Digital. Read more…
In the early days of film making, movies were made with images only, no sound. In 1927, however, a new era was entered with the movie “Jazz Singer’, in which sound was introduced. This was the first step in theatre sound-effects technology, one that has led to major developments in the industry. Movie sound technology began with monaural sound and has evolved to include stereophonic and Surround Sound.