Editing Sound Field Parameters

What is a sound field?

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.

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. The following parameters are not always found in every program.

1Set AMP/SOURCE/TV to AMP.

AMP

SOURCE

2Press TOP on the remote control.

3Select Stereo/Surround, then press h.

STEREO
MUSIC	Munich
ENTERTAINMENT	Vienna
MOVIE THEATER	Freiburg

4Select the desired sound field program, then press h to access and adjust.

Munich	DSP Level
Vienna	Init. Delay
Freiburg	Room Size

Note

You cannot change parameter values when Memory Guard is set to “Guard”. If you want to change the parameter values, set Memory Guard to “Free” (see page 67).

Memory back-up

The memory back-up circuit prevents the stored data from being lost even if this unit is set in the standby mode, the power cable is disconnected from the AC outlet, or the power supply is temporarily cut due to power failure. However, if the power is cut for more than one week, the parameter values will return to the factory settings. If this happens, edit the parameter value again.

■Resetting parameters to the factory values

To reset all parameters

Use Surr.Initialize (see page 66).

	INFORMATION	ADDITIONAL


	English

RX-V2500 specifications

The Yamaha RX-V2500 is a sophisticated audio-video receiver designed for audiophiles and home theater enthusiasts seeking a blend of advanced technology and superior sound quality. Released as part of Yamaha’s acclaimed RX series, the RX-V2500 offers a wealth of features that enhance both music listening and movie watching experiences.

One of the standout features of the RX-V2500 is its power handling capability. With a robust output of 130 watts per channel, this receiver can effortlessly drive a wide range of speakers, ensuring that your audio output is both rich and dynamic. The RX-V2500 supports Dolby Digital EX, DTS-ES, and other multi-channel surround formats, providing an immersive audio experience that brings movies and music to life.

The RX-V2500 also incorporates Yamaha's Cinema DSP technology, which simulates the acoustics of different environments, such as concert halls and theaters. This technology adds depth and realism to sound reproduction, making it feel as though you are part of the action. Additionally, the receiver features multiple listening modes, allowing users to adjust audio settings according to their preferences and the specific content being played.

For connectivity, the RX-V2500 is well-equipped, with a range of inputs and outputs including HDMI ports for high-definition video and audio. This ensures compatibility with a variety of source devices, such as Blu-ray players, gaming consoles, and streaming devices. The receiver also supports HD Radio and is fully compatible with various audio formats, making it an excellent choice for music lovers.

Another notable feature is the YPAO (Yamaha Parametric room Acoustic Optimizer) system. This automatic calibration technology analyzes the room's acoustics and optimizes the receiver's settings to deliver the best possible sound quality based on the environment. It provides a hassle-free setup process, eliminating the guesswork associated with speaker placement and tuning.

The RX-V2500’s user interface is straightforward, making it easy for users to navigate through its numerous features and settings. The remote control is intuitive, allowing convenient access to all functions without needing to physically interact with the receiver.

In terms of build quality, the RX-V2500 is constructed to last, showcasing Yamaha's commitment to durability and performance. This receiver not only offers comprehensive features and advanced technology; it also embodies the brand's dedication to delivering superior sound and movie experiences, making it a worthy investment for any home theater setup.

Yamaha RX-V2500 Editing Sound Field Parameters, What is a sound field?, Elements of a sound field

Models: RX-V2500