Yamaha HTR 5790 MCXSP10 Manual - Page 75

EDITING SOUND FIELD PARAMETERS EDITING SOUND FIELD PARAMETERS What is a sound field What really 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 actually 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. Changing parameter settings 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. 1 TRANSMIT RE-NAME CLEAR LEARN SYSTEM POWER STANDBY SLEEP INPUT MODE PHONO TUNER CD MULTI CH IN V-AUX CBL/SAT MD/TAPE CD-R DTV VCR 1 DVR/VCR2 DVD POWER TV REC SELECT POWER AV AMP 5 TV REC DISC SKIP AV AUDIO + VOL - LEVEL TITLE TV INPUT + TV VOL SET MENU MENU A/B/C/D/E MUTE CH - PRESET TEST RETURN STEREO 1 TV MUTE SELECT TV VOL - HALL 2 CH + PRESET ON SCREEN DISPLAY STRAIGHT EFFECT JAZZ 3 ROCK 4 ENTERTAIN 5 MUSIC 6 TV THTR 7 MOVIE 8 THX /DTS NIGHT EX/ES 9 0 +10 ENTER CHP/INDEX 4 2 3 1 Press AMP to select the AMP AMP mode. 2 Turn on the video monitor and press ON SCREEN ON SCREEN DISPLAY repeatedly to select the full display mode. 3 Select the sound field program you want to adjust. STEREOON SCREHEANLL 1 DISPLAY 2 ENTERTAIN 5 MUSIC 6 THX 9 /DTS 0 JAZZ 3 ROCK 4 TV THTR 7 MOVIE 8 NIGHT +10 EX/ES ENTER CHP/INDEX Program No. Program name Cursor P05 ROCK CONCERT DSP LEVEL;;;;0dB > INIT.DLY;;;;15ms ROOM SIZE;;;;1.0 LIVENESS;;;;;;;5 REV.TIME;;;;1.6s REV.DELAY;;120ms Parameters Parameter values ADDITIONAL INFORMATION 71