Yamaha RX-V2700 Owner's Manual

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You can adjust the values of certain digital sound field parameters so that the sound fields are recreated accurately in your 
listening room. Not all of the following parameters are found in every program.

Decoder type. Selects the decoder used with the SUR. DECODE or MOVIE programs. See 
pages 84 and 85 for details.

DSP level. Adjusts the level of all the DSP effect sounds within a narrow range. Depending on 
the acoustics of your listening room, you may want to increase or decrease the DSP effect level 
relative to the level of the direct sound.

Control range: –6 dB to +3 dB

Initial delay. Presence, surround, and surround back initial delay. Changes the apparent distance 
from the source sound by adjusting the delay between the direct sound and the first reflection 
heard by the listener. The smaller the value, the closer the sound source seems to the listener. The 
larger the value, the farther it seems. For a small room, set to a small value. For a large room, set 
to a large value.

Control range: 1

to 99 ms (Init. Delay)

1 to 49 ms (Sur. Init. Delay and SB Init. Delay)

Source sound

Early 
reflections

Time

Time

Time

Delay

Delay

Delay

Sound source

Reflection face

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Small value = 1 ms

Large value = 99 ms

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