Sony STR-DE1075 Primary User Manual - Page 29
This function works only for the multi channel, sound fields.
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Enjoying Surround Sound 6.1CH DECODING Press 6.1CH DECODING to adjust the 6.1 channel matrix parameter in the SET UP menu (page 40). This function works only for the multi channel format [3/2]. This function is effective for the following sound fields. • A.F.D.* • NORMAL SURROUND • CINEMA STUDIO EX A-C • SEMI CINEMA STUDIO EX A-C • NIGHT THEATER • MONO MOVIE • STEREO MOVIE • V. MULTI DIMENSION • VIRTUAL MULTI REAR • V. SEMI M. DIMENSION • VIRTUAL ENHANCED A, B * You can select "AUTO" only. About 6.1 channel matrix decoding Some movies released after summer 1999 added a new channel to the preexisting 5.1 channels. The new channel added speakers behind the listening position. In the movie theaters, these speakers are placed on the rear wall, on each side of the projection room's window. The 6.1 channel system used in the movie theaters is called Dolby Surround EX system. However, to record on movie film, this 6.1 channel is converted to 5.1 channel using matrix encoding, and the same number of channels are used as Dolby Digital and DTS recordings. Recordings on DVD also use the same signals. A lot of movie theaters screen movies with matrix encoded 5.1 channel signals and this is not unnatural to the ears. However, when a matrix decoder is used to create surround back speaker signals it simulates the same 6.1 channel sound as Dolby Surround EX system in the movie theaters. This unit is equipped with a matrix decoder allowing for 6.1 channel sound production. 29