GLOSSARY

■S VIDEO signal

With S VIDEO signal system, the video signal normally transmitted using a pin cable is separated and transmitted as the Y signal for the luminance and the C signal for the chrominance through the S VIDEO cable. Using the S VIDEO jack eliminates video signal transmission loss and allows recording and playback of even more beautiful images.

■Component video signal

With the component video signal system, the video signal is separated into the Y signal for the luminance and the PB/CB and PR/CR signals for the chrominance. Color can be reproduced more faithfully with this system because each of these signals is independent. The component signal is also called the “color difference signal” because the luminance signal is subtracted from the color signal. A monitor with component input jacks is required in order to use the component signal for output.

■PCM (Linear PCM)

Linear PCM is a signal format under which an analog audio signal is digitized, recorded and transmitted without using any compression. This is used as a method of recording CDs and DVD audio. The PCM system uses a technique for sampling the size of the analog signal per very small unit of time. Standing for “pulse code modulation”, the analog signal is encoded as pulses and then modulated for recording.

■Sampling frequency and number of quantized bits

When digitizing an analog audio signal, the number of times the signal is sampled per second is called the sampling frequency, while the degree of fineness when converting the sound level into a numeric value is called the number of quantized bits.

The range of rates that can be played back is determined based on the sampling rate, while the dynamic range representing the sound level difference is determined by the number of quantized bits. In principle, the higher the sampling frequency, the wider the range of frequencies that can be played back, and the higher the number of quantized bits, the more finely the sound level can be reproduced.

■I/O assignment (SET MENU)

Although component is normally connected according to jack names shown on the rear panel, this unit includes a function that assigns jacks according to the component being connected. If the component being used differs from the component name shown for this unit’s component video input jacks or digital input/output jacks, it is possible to assign jacks according to the component being connected. This makes it possible to change the jack assignment and effectively connect more component.

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Yamaha RX-V620RDS Video signal, Component video signal, PCM Linear PCM, Sampling frequency and number of quantized bits
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RX-V620RDS specifications

The Yamaha RX-V620RDS is a powerhouse in the world of home theater receivers, offering outstanding sound quality and a range of features that make it a popular choice for audio enthusiasts. Launched during the late 1990s, the RX-V620RDS has become known for its versatility and robust performance, catering to the needs of both casual listeners and serious audiophiles.

One of the standout features of the RX-V620RDS is its multi-channel processing capability. Supporting 5.1 channels, this receiver allows users to enjoy surround sound experiences, making it ideal for movie nights and gaming sessions. The onboard Dolby Digital and DTS decoders ensure that audiences receive enveloping audio that enhances their overall experience. Moreover, the unit provides an impressive power output, delivering 90 watts per channel into 8 ohms, which means it can drive demanding speakers effortlessly.

In terms of connectivity, the Yamaha RX-V620RDS does not disappoint. It is equipped with multiple audio and video inputs, including composite and S-video inputs, along with a dedicated phono input for vinyl enthusiasts. For video sources, the receiver includes a variety of outputs, accommodating different types of displays, from standard CRT televisions to modern flat screens.

Another significant feature of the RX-V620RDS is the inclusion of the Radio Data System (RDS) tuner. This technology allows the receiver to display information such as station names and song titles, enhancing the radio listening experience. Alongside this, the receiver supports FM and AM bands, providing a wide spectrum of entertainment options.

The RX-V620RDS also showcases Yamaha's commitment to build quality and user experience. The intuitive on-screen display simplifies navigation through settings and configurations, ensuring that even those less familiar with tech can easily set up their systems. Additionally, the remote control is user-friendly, allowing effortless operation from anywhere in the room.

Furthermore, the RX-V620RDS integrates Yamaha's patented YPAO (Yamaha Parametric Room Acoustic Optimizer) technology, which automatically measures the room acoustics and adjusts the audio settings for optimum sound quality. This feature is particularly valuable in home theater setups, where room characteristics can greatly influence audio performance.

In conclusion, the Yamaha RX-V620RDS remains a noteworthy receiver that combines advanced features, solid performance, and user-friendly design. With its multi-channel processing, extensive connectivity options, and innovative technologies, it has rightfully earned its place as a reliable choice for anyone looking to elevate their home audio experience. Whether you are a music lover or a home theater aficionado, the RX-V620RDS is equipped to deliver impressive sound for years to come.
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