FM stations include on a sub-carrier signal within their normal broadcast signal. Some RDS equipped tuners can even override with traffic alerts or emergency broadcasts, during playback of other media - CD MD, or cassette.There are other useful features too, many of which are offered by the growing number of RDS stations.

Region code

A system that allows discs to be played only in the region designated.This unit only plays discs that have compatible region codes.You can find the region code of your unit on the product label. Some discs are compatible with more than one region (or ALL regions.)

RF (radio frequency)

An alternating current or voltage with a frequency (or carrier wave) above about 100kHz. It is called radio frequency because these frequencies have a capacity to be radiated as electromagnetic waves by radio (and television) stations.

RGB signals

RGB signals are the three video signals, Red, Green and Blue, which make up a high quality picture.

Rhapsody®

Rhapsody® is an on-line music service that offers streaming on-demand access to its library of digital music.

Rip (ripping)

Using a software program that “grabs” digital audio from a compact disc and transfers it to a computer hard drive.The integrity of the data is preserved, because the signal does not pass through the computer sound card, and need not be converted to an analog format.The digital-to-digital transfer creates a WAV file that can then be converted into an MP3 file.

RMS (Root Mean Square)

A formula that provides a reasonably accurate means to measure and compare continuous AC power.The use of this measure is preferred when matching system components, like amplifiers and receivers.

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S

S-VHS signals

S-VHS signals are separate Y/C video signals from the S-VHS and Hi-8 recording standards. The luminance signals Y (black and white) and chrominance signals C (color) are recorded separately on the tape.This provides the better picture quality than with standard video (VHS and 8mm) where the Y/C signals are combined to provide only one video signal.

S/PDIF (SPDIF) (Sony/Philips Digital Interface) A standard audio-file transfer-format that was developed jointly by Sony and Philips. S/PDIF allows the transfer of digital audio signals from one device to another, without the need to convert first to analog.This prevents the quality of the digital signal degrading during transfer to analog.

Sampling rate

The precision with which a digital file describes the analog sound it represents. Basically, a lower rate produces files that sound worse and take up less drive space than those with a higher rate. CDs have a sampling rate of 44.1kHz, and DAT machines have a sampling rate of 48kHz. MiniDisc player/recorders with a built-in sampling rate converter can handle both rates.

SD

Secure Digital. A type of memory card with a flash memory.

Sensitivity

Volume that a speaker offers for a specific voltage input, expressed in decibels per watt (dB/W).

Shuffle

A feature that plays audio files (tracks) in random order.

Signal to noise ratio

Represents the difference between the level of the audio signal, and any interference.The larger the figure, the purer the sound.

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Philips WAC7500 user manual Region code, RF radio frequency, RMS Root Mean Square, VHS signals, Sampling rate
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WAC7500 specifications

The Philips WAC7500 is a versatile wireless audio system that merges high-quality sound with modern technology to provide an unparalleled listening experience. Designed for those who prioritize both aesthetics and audio performance, the WAC7500 offers a range of features that make it an ideal choice for any audio enthusiast.

One of the standout features of the WAC7500 is its multi-room audio capability. This system allows users to connect multiple speakers throughout their home, creating a seamless listening experience in every room. With the use of the Philips Streamium app, users can easily control music playback from their smartphones or tablets, ensuring they have complete command over their audio environment.

The WAC7500 utilizes Philips' acclaimed Digital Sound Processing technology, which enhances audio clarity and richness. This technology ensures that whether users are listening to music, podcasts, or streaming content, they experience balanced sound with deep bass and crisp highs. Additionally, the unit supports various audio formats, including MP3, WMA, and AAC, providing flexibility for different media sources.

Connectivity is another key feature of the WAC7500. The system supports both Wi-Fi and Ethernet connections, allowing users to stream music directly from their home network or the internet. It also includes Bluetooth capability, enabling quick and easy pairing with smartphones and tablets. With extensive compatibility, the WAC7500 can access popular streaming services like Spotify, Pandora, and Tidal, offering users a vast library of music at their fingertips.

In terms of design, the Philips WAC7500 boasts a sleek and modern aesthetic, making it a chic addition to any room. Its intuitive interface includes a vibrant display that provides clear feedback on track information and settings. Furthermore, the compact design ensures that it can fit comfortably in various spaces without compromising sound quality.

Overall, the Philips WAC7500 stands out as a powerful solution for anyone looking to elevate their music listening experience. With its trio of essential features—multi-room capability, superior sound processing, and robust connectivity options—it embodies the convergence of style and technology. Whether hosting a party or enjoying a quiet evening at home, users can enjoy rich, immersive sound that transforms the atmosphere.
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