Yamaha RX-V2600 Owner's Manual - Page 67

EDITING SOUND FIELD PARAMETERS EDITING SOUND FIELD PARAMETERS What is a sound field? Changing parameter settings A significant factor that creates the rich, full tones of a live instrument are the multiple reflections from the walls of the room. In addition to making the sound live, these reflections enable us to tell where the player is situated, and the size and shape of the room in which we are sitting. ■ Elements of a sound field In any environment, in addition to the direct sound coming straight to our ears from the player's instrument, there are two distinct types of sound reflections that combine to make up the sound field: Early reflections Reflected sounds reach our ears extremely rapidly (50 ms - 100 ms after the direct sound), after reflecting from one surface only - for example, from the ceiling or a wall. Early reflections help add clarity to the direct sound. Reverberations These are caused by reflections from more than one surface - walls, ceiling, the back of the room - so numerous that they merge together to form a continuous sonic afterglow. They are non-directional, and lessen the clarity of the direct sound. Direct sound, early reflections and subsequent reverberation taken together help us to determine the subjective size and shape of the room, and it is this information that the digital sound field processor reproduces in order to create sound fields. If you could create the appropriate early reflections and subsequent reverberations in your listening room, you would be able to create your own listening environment. The acoustics in your room could be changed to those of a concert hall, a dance floor, or virtually any size room at all. This ability to create sound fields at will is exactly what YAMAHA has done with the digital sound field processor. You can enjoy good quality sound with the factory preset parameters. Although you do not have to change the initial settings, you can change some of the parameters to better suit the input source or your listening room. The following parameters are not always found in every program. POWER TV POWER AV STANDBY POWER A XM AUDIO SEL SLEEP PHONO TUNER CD MULTI CH IN 1 2-4 V-AUX CBL/SAT MD/TAPE CD-R DTV VCR 1 DVR/VCR2 DVD SELECT ++ TV VOL CH -- + VOLUME AMP SOURCE - TV 1 (U.S.A. model) GUI TOP TITLE BAND PRESET/CH EXIT MENU SRCH MODE PURE DIRECT ENTER NIGHT AUDIO RETURN XM MEMORY STEREO 1 A-E/CAT. DISPLAY STRAIGHT EFFECT MUSIC ENTERTAIN MOVIE 2 3 4 THX STANDARD SELECT EXTD. SUR 5 6 7 8 1 MEMORY 2 9 0 A SPEAKERS B +10 ENT. FREQ/RDS EON MODE PTY SEEK START REC DISC SKIP OFF ON MACRO LEARN CLEAR RE-NAME 5 1 Set AMP/SOURCE/TV to AMP and then press GUI TOP on the remote control. The top display appears. AMP SOURCE TV GUI TOP TITLE BAND Stereo/Surround Input Select Manual Setup Auto Setup System Memory Sound Video Basic Option SOUND FIELD PROGRAMS 63