SOUND FIELD PROGRAM INFORMATION

Elements of 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 as well as the size and shape of the room in which we are sitting.

There are two distinct types of sound reflections that combine to make up the sound field in addition to the direct sound coming straight to our ears from the player’s instrument.

Early reflections

Reflected sounds reach our ears extremely rapidly (50 ms to 100 ms after the direct sound), after reflecting from one surface only (for example, from a wall or the ceiling).

Early reflections actually add clarity to the direct sound.

Reverberations

These are caused by reflections from more than one surface (for example, from the walls, and the ceiling) 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 reverberations 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 a room with virtually any size at all. This ability to create sound fields at will is exactly what YAMAHA has done with the digital sound field processor.

CINEMA DSP

Since the Dolby Surround and DTS systems were originally designed for use in movie theaters, their effect is best felt in a theater having many speakers designed for acoustic effects. Since home conditions, such as room size, wall material, number of speakers, and so on, can differ so widely, it is inevitable that there are differences in the sound heard. Based on a wealth of actually measured data, YAMAHA CINEMA DSP uses YAMAHA original sound field technology to combine Dolby Pro Logic, Dolby Digital and DTS systems to provide the audiovisual experience of a movie theater in the listening room of your own home.

SILENT CINEMA

YAMAHA has developed a natural, realistic sound effect DSP algorithm for headphones. Parameters for headphones have been set for each sound field so that accurate representations of all the sound field programs can be enjoyed on headphones.

Virtual CINEMA DSP

YAMAHA has developed a Virtual CINEMA DSP algorithm that allows you to enjoy DSP sound field surround effects even without any surround speakers by using virtual surround speakers. It is even possible to enjoy Virtual CINEMA DSP using a minimal two-speaker system that does not include a center speaker.

Sound output from each speaker

Sound output from each speaker depends on the type of audio signals being input. Refer to the diagrams in the table below to understand the speaker layout for each sound field program. For details about the sound output from each speaker in sound field programs, refer to

“SOUND OUTPUT IN EACH SOUND FIELD PROGRAM” in “APPENDIX” at the end of this manual.

Note

Be advised that there may be no or not enough sound output from speakers depending on the type of input source being played back. Furthermore, there may be some channels that can only be used partially when they are adjusted to specific aspects of movies, such as special sound effects, etc.

y

Except for “2ch Stereo”, “7ch Stereo”, and “STRAIGHT”, you can select a decoder to output sound from the surround back speakers (see page 44).

134 En

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Yamaha HTR-6090 owner manual Sound Field Program Information, 134 En, Elements of a sound field, Virtual Cinema DSP

HTR-6090 specifications

The Yamaha HTR-6090 is a high-performance home theater receiver that was designed to deliver an immersive audio experience for movie enthusiasts and music lovers alike. Released as part of Yamaha’s extensive lineup of AV receivers, the HTR-6090 boasts a host of features and technologies that cater to the demands of modern home entertainment systems.

One of the standout features of the HTR-6090 is its 7.1-channel surround sound capability, allowing users to connect multiple speakers for a fully immersive audio experience. This receiver supports various audio formats, including Dolby Digital, DTS, and PCM, ensuring compatibility with a wide range of media sources. The powerful amplification system can deliver 90 watts per channel, making it suitable for driving various speaker configurations.

The receiver incorporates Yamaha’s proprietary YPAO (Yamaha Parametric Acoustic Optimizer) technology, which automatically calibrates the audio settings based on the room’s acoustics. This feature enhances sound quality by measuring the distance and size of each speaker, ultimately creating a customized listening environment tailored to the user's specific space.

Connectivity is a crucial aspect of any modern AV receiver, and the HTR-6090 does not disappoint. It offers multiple HDMI inputs and outputs, supporting 1080p video resolution for high-definition content. Additionally, the receiver features audio inputs for components like CD players, turntables, and streaming devices, making it versatile for various setups.

In terms of user-friendliness, the HTR-6090 is equipped with an intuitive remote control and an on-screen display, simplifying the user experience. The receiver also supports various audio enhancement technologies, such as Music Enhancer, which restores lost high frequencies in compressed audio formats, allowing for a richer sound during playback.

Another highlight of the HTR-6090 is its capability for multi-zone audio control. This allows users to enjoy music in different areas of their home, creating an engaging atmosphere for gatherings or simply enhancing personal enjoyment in various spaces.

Overall, the Yamaha HTR-6090 stands out as a reliable and feature-rich option for those looking to enhance their home theater setup. With its impressive sound quality, extensive connectivity options, and advanced technologies, it continues to be a popular choice among audiophiles and home theater enthusiasts.