GLOSSARY

■Dolby Surround

Dolby Surround uses a 4 channel analog recording system to reproduce realistic and dynamic sound effects: 2 main left and right channels (stereo), a center channel for dialog (monaural), and a rear channel for special sound effects (monaural). The rear channel reproduces sound within a narrow frequency range.

Dolby Surround is widely used with nearly all video tapes and laser discs, and in many TV and cable broadcasts as well. The Dolby Pro Logic decoder built into this unit employs a digital signal processing system that automatically stabilizes the volume on each channel to enhance moving sound effects and directionality.

■Dolby Digital

Dolby Digital is a digital surround sound system that gives you completely independent multi-channel audio. With 3 front channels (left, center, and right), and 2 rear stereo channels, Dolby Digital provides 5 full-range audio channels. With an additional channel especially for bass effects, called LFE (low frequency effect), the system has a total of 5.1 channels (LFE is counted as 0.1 channel). By using 2-channel stereo for the rear speakers, more accurate moving sound effects and surround sound environment are possible than with Dolby Surround. The wide dynamic range (from maximum to minimum volume) reproduced by the 5 full-range channels and the precise sound orientation generated using digital sound processing provide listeners with previously unheard of excitement and realism.

With this unit, any sound environment from monaural up to a 5.1-channel configuration can be freely selected for your enjoyment.

Dolby Digital EX creates 6 full-bandwidth output channels from 5.1-channel sources. This is done using a matrix decoder that derives 3 surround channels from the 2 in the original recording. For the best results, Dolby Digital EX should be used with movie sound tracks recorded with Dolby Digital Surround EX. With this additional channel, you can experience more dynamic and realistic moving sound especially with scenes with “fly- over” and “fly-around” effects.

■Dolby Pro Logic II

Dolby Pro Logic II is an improved technique used to decode vast numbers of existing Dolby Surround software. This new technology enables a discrete 5- channel playback with 2 main left and right channels, 1 center channel, and 2 rear left and right channels (instead of only 1 rear channel for conventional Pro Logic technology). A music mode is also available for 2-channel sources in addition to the movie mode.

■DTS (Digital Theater Systems) Digital

Surround

DTS digital surround was developed to replace the analog soundtracks of movies with a 6-channel digital sound track, and is now rapidly gaining popularity in movie theaters around the world. Digital Theater Systems Inc. has developed a home theater system so that you can enjoy the depth of sound and natural spatial representation of DTS digital surround in your home. This system produces practically distortion-free 6-channel sound (technically, a left, right and center channels, 2 rear channels, plus an LFE 0.1 channel as a subwoofer, for a total of 5.1 channels).

The unit incorporates DTS-ES decoder that enables 6.1- channel reproduction by adding the rear center channel to existing 5.1-channel format.

■Neo:6

Neo:6 decodes the conventional 2-channel sources for 6 channel playback by a specific decoder. It enables playback with the full-range of channels with higher separation just like digital discrete signal playback. Two modes are available; “Music mode” for playing music sources and “Cinema mode” for movies.

■LFE 0.1 channel

This channel is for the reproduction of low bass signals. The frequency range for this channel is 20 Hz to 120 Hz. This channel is counted as 0.1 because it only enforces a low frequency range compared to the full-range reproduced by the other 5 channels in a Dolby Digital or DTS 5.1 channel systems.

■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 and designed for acoustic effects. Since home conditions, such as room size, wall material, number of speakers, and so on, can differ so widely, it’s inevitable that there are differences in the sound heard as well. 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 visual and audio experience of 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 using headphones.

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Yamaha RX-V440RDS owner manual Glossary, Cinema DSP, Silent Cinema
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RX-V440RDS specifications

The Yamaha RX-V440RDS is a versatile AV receiver that captures the essence of home theater performance with remarkable audio and video quality. Launched in the early 2000s, it has earned praise for its robust features and user-friendly design, making it a popular choice among audiophiles and home theater enthusiasts alike.

At the heart of the RX-V440RDS is a powerful 5-channel amplifier that delivers a substantial output of 80 watts per channel, ensuring that users can enjoy dynamic soundscapes whether watching movies, playing video games, or listening to music. The receiver supports a wide range of surround sound formats, including Dolby Digital, Dolby Pro Logic II, DTS, and enhanced stereo modes, providing an immersive audio experience that draws users deeper into their entertainment.

One of the hallmark features of the RX-V440RDS is its built-in Radio Data System (RDS), which offers enhanced FM radio capabilities. Listeners can enjoy display information that includes station identification and song titles, making tuning into their favorite broadcasts easier and more enjoyable. The receiver also comes with a total of 40 preset FM/AM stations, allowing for quick access to preferred channels.

Connectivity is a key consideration for any AV receiver, and the RX-V440RDS does not disappoint. It is equipped with multiple inputs, including five composite video inputs, four audio inputs, and even a dedicated audio input for connecting a CD player or other sources. This variety allows users to connect multiple devices simultaneously, facilitating seamless switching between different media sources.

The receiver features Yamaha's proprietary YPAO (Yamaha Parametric room Acoustic Optimizer) technology, which automatically measures the acoustic environment of the room and adjusts the audio settings for optimal sound quality. This smart feature ensures that the system adapts to various room sizes and layouts, delivering a customized listening experience.

Additionally, the Yamaha RX-V440RDS boasts an intuitive on-screen display and a straightforward remote control, making it easy for users to navigate settings and configurations without complicated setups. This user-centric approach extends to its elegant design, which fits seamlessly into any home entertainment setup.

Overall, the Yamaha RX-V440RDS stands out as a reliable AV receiver that continues to be valued for its audio performance and robust feature set. With technologies that prioritize sound quality and ease of use, it is an excellent investment for anyone looking to enhance their home theater experience.
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