ZEPHYR XPORT USER’S GUIDE

A note from the CEO

It's been nearly 10 years since Telos brought you the original Zephyr – the first product in the world to use MP3, and the first to bring all the necessary pieces for ISDN remotes together in one easy- to- use and reliable package. In 2001, we offered you the latest MPEG technology and numerous improvements with the introduction of the Zephyr Xstream family of codecs. Together, these have become among the most successful and enabling tools in broadcasting’s digital era.

Unless you enjoy reading user manuals for the thrill, you presumably have the new Zephyr XPORT at hand, and you will be using it with an ordinary telephone line to

connect to a Zephyr Xstream ISDN codec. Prepare to hear the highest fidelity low- bitrate coding method on Earth, aacPlus, in action. For the first time, you will experience FM- like audio over analog telephone lines – with surprisingly detailed highs and fuzz- free clarity, on both speech and music. You will also experience remarkable stability. Because the studio side is connected digitally, modem performance is considerably more reliable than with POTS- only schemes.

Maybe you are thinking, "What took you so long?" Those with long memories may recall that we had a POTS codec prototype using MP3 at the NAB radio show many years ago, before any others were marketed. However interesting the demo, we decided MP3 and the other codecs around at that time were just not up to our snuff on quality over modems.

All the while since, we’ve been keeping our eyes and ears open. We knew POTS Telco, we knew codecs, and we knew ISDN, so we knew what we were looking for. Now, finally, all the pieces have come together to let us give you all the right stuff.

My guiding principle at Telos is to make the stuff I would have wanted for myself when I was in the CE game. So, here’s another one I sure could have used! It’s really cool when something like this one comes together so well.

So, go ahead and use this baby to shock and amaze. We are looking forward to hearing of your experiences using the Xport…

Steve Church

February 2003

VI CHAPTER 1 - INTRODUCING THE XPORT

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Telos Zephyr Xport manual VI Introducing the Xport
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Zephyr Xport specifications

The Telos Zephyr Xport is a cutting-edge audio-over-IP codec that seamlessly revolutionizes the way audio is transmitted over networks. Renowned for its high-quality sound, this powerful codec is designed for both radio broadcast applications and professional audio environments, enabling efficient, reliable, and high-fidelity audio transport over IP networks.

One of the main features of the Zephyr Xport is its ability to handle multiple audio formats, including PCM, AAC, and MP3, which provides users with flexibility depending on their specific needs. Its ability to encode and decode audio ensures that broadcasters can deliver outstanding quality both on the air and in streaming applications.

The technology behind the Zephyr Xport includes advanced algorithms that minimize latency, making it ideal for live broadcasts where real-time transmission is crucial. With a low latency rate, users can enjoy audio transmission that is nearly instantaneous, a defining feature for any live event or remote broadcasting situation.

Another standout characteristic of the Zephyr Xport is its support for multiple network protocols, including RTP/RTCP, SIP, and POTS. This versatility allows integration with a wide range of existing equipment and infrastructures, facilitating easy implementation in various settings. Additionally, the codec boasts robust error correction and adaptive bitrate control to ensure audio clarity even in fluctuating network conditions, reducing the chances of dropouts or interruptions.

The user-friendly interface of the Zephyr Xport features an intuitive LCD display, making it easy for operators to configure settings, monitor audio levels, and manage network connections. With built-in web access, users can make adjustments and control the unit remotely, providing added convenience for situations where operators are away from the hardware.

Moreover, the Zephyr Xport is designed for durability and reliability, constructed to endure the demands of a fast-paced broadcast environment. Its compact design makes it suitable for rack mounting or portable use, allowing broadcasters to take it on location without hassle.

In summary, the Telos Zephyr Xport combines advanced audio processing technologies with user-friendly features, making it an essential tool for modern broadcasters. Its high-quality audio performance, low latency communication, versatile protocol support, and ease of use exemplify the future of audio transmission in the ever-evolving landscape of digital broadcasting. As the industry continues to embrace IP-based solutions, the Zephyr Xport stands out as a vital asset for any professional audio application.
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