30Sound field effectsThe 6-channel soundtracks found on 70-mm film produce precise sound field localization and rich, deep sound withoutusing matrix processing. This unit’s MOVIE THEATER programs provide the same quality of sound and soundlocalization that 6-channel soundtracks do. The built-in Dolby Digital or DTS decoder brings the professional-qualitysound designed for movie theaters into your home. With this unit’s MOVIE THEATER programs, you can use DolbyDigital or DTS technology to recreate a dynamic sound that gives you the feeling of being in a public theater. Dolby Digital/DTS + DSP sound field effect These programs use YAMAHA’s tri-field DSP processingon each of the Dolby Digital or DTS signals for the front,left surround, and right surround channels. Thisprocessing enables this unit to reproduce the immensesound field and surround expression of a Dolby Digital-or DTS-equipped movie theater without sacrificing theclear separation of all channels. Dolby Digital/DTS + Matrix 6.1 + DSP sound field effectThese programs provide you with the maximum experience of the spacious surround effects by adding an extra rearcenter DSP sound field created from the virtual rear center speaker. Dolby Pro Logic + DSP sound field effect Most movie material has 4-channel (left, center, right, andsurround) sound information encoded by Dolby Surroundmatrix processing and stored on the left and right tracks.These signals are processed by the Dolby Pro Logicdecoder. The MOVIE THEATER programs are designedto recreate the spaciousness and delicate nuances ofsound that tend to be lost in the encoding and decodingprocesses. Dolby Pro Logic IIDolby Pro Logic II decodes Dolby Surround software into 5 discrete full-range channels (3 channels in front and 2channels in rear). There are 2 modes; MOVIE for movies and MUSIC for 2-channel audio sources.Surround DSPsound fieldRight surround DSPsound fieldPresence DSPsound fieldLeft surround DSPsound fieldPresence DSPsound fieldCINEMA-DSP