Yamaha HTR-5840 Owners Manual - Page 73
Editing Sound Field Parameters
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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 CODE SET TRANSMIT POWER TV POWER AV STANDBY CD MD/CD-R TUNER SYSTEM POWER SLEEP DVD DTV/CBL V-AUX MULTI CH IN VCR AMP TV VOL TV CH VOLUME TV MUTE TV INPUT MUTE STEREO 1 MUSIC 2 ENTERTAIN 3 MOVIE 4 STANDARD SELECT EXTD SUR. DIRECT ST. 5 6 7 8 A SPEAKERS B 9 0 NIGHT 10 LEVEL TITLE BAND PRESET/CH STRAIGHT ENT. EFFECT SET MENU MENU SRCH MODE ENTER A-E/CAT. RETURN MEMORY REC DISC SKIP A-E/CAT. DISPLAY AUDIO 2 3,4 1 Press AMP. AMP 2 Select the sound field program you want to adjust. STEREO 1 MUSIC 2 ENTERTAIN 3 MOVIE 4 STANDARD SELECT EXTD SUR. DIRECT ST. 5 6 7 8 A SPEAKERS B 9 0 NIGHT 10 STRAIGHT ENT. EFFECT 3 Press u / d to select the parameters. PRESET/CH A-E/CAT. ENTER A-E/CAT. 4 Press j / i to change the parameter value. PRESET/CH A-E/CAT. ENTER A-E/CAT. y If you press and hold j / i to change the parameter value, the front panel display automatically stops at the factory preset parameter momently. ADDITIONAL INFORMATION 69