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This receiver has 7 different surround modes to allow you to enjoy surround sound with the various
program sources: DOLBY DIGITAL(AC-3), DOLBY PRO LOGIC, DOLBY 3 STEREO, THEATER,
HALL,STADIUM,CHURCH.
DOLBY DIGITAL(AC-3) : Allows you to enjoy up to 5.1 channels of digital surround sound from Dolby
DIGITAL(AC-3) program sources bearing the trademark such as laser
discs.
Dolby DIGITAL(AC-3) provides even better sound quality, improved dynamic range
and great sense of direction, compared with the conventional Dolby surround. Now,
you are able to enjoy real movies in your home.
DOLBY PRO LOGIC : This receiver incorporates the Dolby Pro Logic Surround Decoder which has the same
functions for playback as movie theaters and gives a theater - like experience in your home,
naturally reproducing the audio sound field. Use with Dolby Pro Logic program sources
bearing the trademark such as video cassette tapes or laser discs.
DOLBY 3 STEREO : Combining the rear speaker signal with that of the front speakers allows you to enjoy a
regenerated sound field which has comparatively more presence and a more expansive
feeling from the 3 front channels (front L,front R and center speakers) than that of ordinary
stereo regeneration. Use with Dolby program sources bearing the
trademark.
THEATER : This mode provides the effect of being in a movie theater when watching a movie sources that have a
stereo sound track.
HALL : This mode provides the ambience of a concert hall for classical music sources such as orchestral, chamber
music or an instrumental solo.
STADIUM : This mode provides the expansive sound field. For music sources like a rock concert, you will feel as
if you were actually at the live concert. For sports programs such as a baseball game, you can enjoy a
powerful sound, thus obtaining the true stadium effect.
CHURCH: This mode provides the ambience of a church for baroque, string orchestral and choral group music.
Surround modes
DOLBY SURROUND
DOLBY SURROUND
12
SURROUND SOUNDS
The sound heard in a place such as a concert hall or a movie theater consists of the direct sound that reaches our
ears directly from the sound source and the reflected sound that is indirectly reflected off from walls, floor and
ceilling. The reflected sound reaches our ears slightly later than the direct sound. The delay time is the time
difference between the direct sound and the reflected sound. The optimum delay time will be different according to
the room size and the acoustic properties. It is recommended that you try different times to obtain the best effect.
• It is adjustable in the Dolby DIGITAL(AC-3) and the Dolby Pro Logic modes only.
• Manufactured under license from Dolby Laboratories.
“Dolby”, “ Pro Logic” and the double-D symbol are trademarks of Dolby Laboratories.
Confidential Unpublished Works. 1992-1997 Dolby Laboratories, Inc. All rights reserved.
The R-925 incorporates a sophisticated Digital Signal Processor that allows you to create the optimum sound
quality and the sound atmosphere in your room.
Delay time
DIGITAL