Now Hear This
Eastman Kodak Company has joined forces with Optical Radiation Coporation to offer the movie-going public a dramatic advance in motion picture sound quality. It's called Cinema Digital Sound, and it brings the sonic impact of today 's digital technology to the movie theater. Optical Radiation Corporation and Kodak have adapted proven digital recording and playback processes to develop Cinema Digital Sound technology. It optically encodes digital sound on a sound negative and decodes the soundtrack through a modified theater projector. Working hand in hand with Optical Radiation Corporation, Kodak created a new sound negative film that allows movie-makers to take full advantage of the new technology.
Movie Audiences Want Digital-Quality Sound Performance
The public expects audio that is virtually distortion-free and music with enormous dynamic range played against a backdrop of total silence. They can enjoy it on CD's in their homes, and they want it when they go to the movies. Audio compression/expansion methods currently in use can significantly reduce background noise on movie soundtracks. But to reduce distortion nearly to the vanishing point and expand the frequency range at both the low and high end, you need digital capabilities. With five discrete full-bandwidth channels, a sub-woofer channel for bass sounds you can feel as well as hear, Cinema Digital Sound offers those capabilities plus much more, including truly fantastic surround sound. In addition, a MIDI control channel and a SMPTE time code offer new levels of automation and coding. Sounds can come from every direction to create a new level of realism. Cinema Digital Sound will enhance the "in theater" experience, and, like other major movie technical advances, it can put more people in theater seats.
Control Channels Create Special Effects
Film producers and sound recording artists are sure to make creative use of the six audio channels to create dramatic special effects with Cinema Digital Sound. For theater owners, the MIDI (Musical Instrument Digital Interface) control channel permits a new level of automation. It can do everything from simply opening the curtain to controlling the lights and automatically setting the proper sound levels within the theater. It could even control a complex laser show. The SMPTE time code can perform similar functions as the MIDI, plus it can be used to identify damaged areas within a print. Once identified, laboratories can print new sections to replace those damaged sections.
Benefits For Everyone
Cinema Digital Sound doesn't disrupt any of the standard industry processes and is an exciting new technology that offers important benefits to everyone connected with motion pictures. It's available now for 35 mm and 70 mm releases.
Now outstanding cinematography combined with high-quality digital sound can deliver the ultimate film experience.
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