Audio Over IP

€ 61,99
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November 2009



Audio Over IP is a guide to the general technology & many advantages of audio transport over Ethernet and IP-based distribution systems. Both the audio & IT worlds alike will find it a valuable & highly readable resource. It serves as an introduction to and handy reference for the world's most widely deployed IP Audio distribution system, Livewire. Livewire is the clear market leader in IP Audio facility equipment for radio studios, and a well-respected, reliable and high-cachet brand. The book also provides thorough coverage of how to design, build, configure and troubleshoot an IP Audio system using Livewire technology, and how to interface it to PCs and the Internet. Essential reading for the designers, owners and staff of practically every radio broadcast studio worldwide, as well as many other audio production & presentation facilities.


1. Introduction to AoIP *A Brief History *The Arguments for AoIP *IP-Anything *What's the Catch? *Implementation and Integration *AoIP in Use Today *The Bottom Line 2. Network Engineering for Audio Engineers *TDM vs. IP *Ethernet/IP Networks: Layering Model *Local Area Networls (LANs) *Wide Area Networks (WANs) and the Internet *Quality of Service (QoS) *IP and Ethernet Addresses *Network Diagrams *Pro Audio, meet IP 3. Switching and Routing *Layers and Terms *The Ethernet Switch *The IP Router *Straddling Layers *Audio Routing Control *Multicasting 4. The Livewire System *What Can You Do with It? *AES3 *Livewire System Components *Channel Numbering and Naming *Delay *Levels and Metering *The Deep Stuff- How Livewire Technology Works *Livewire Routing Control Protocol (LWRP) *Livewire Control Protocol (LWCP) 5. Designing and Building with AoIP *Wiring the AoIP Facility *Ethernet Switches and IP Routers for Livewire *AoIP Applications and Architectures *More on Architectures 6. VoIP Telephone Systems in an Studio Environment *VoIP in Radio Stations *SIP *IAX as a SIP Alternative *Codecs *Packetization and RTP *Delay *IP-PBXs *Gateways *Using VoIP to Connect to the Telco Network *Skype *Studio On-Air Systems *Application Example: The Telos Nx6 and Nx12 *Transformative Tech 7. IP Codecs *The Challenge *When Delay Doesn't Matter *And When It Does: Achieving Low-Delay *Delay and Echo *Call Setup: Say Hellp to SIP (Again) *SIP Servers *Networks *The EBU N/ACIP Standard *Livewire-enabled IP Codecs *Convergence 8. Troubleshooting *Prevention *Basic Network Tests and Diagnostics *Ethernet Switch Diagnostics and Configurations *Cable Testers *Livewire Components *Logging 9. FAQs 10. Glossary, References and Resources


Steve Church is the President of Telos Systems. Before founding the company, he was a Technical Director and talk host for radio stations such as WMMS/Cleveland, and WFBQ/Indianapolis. As co-inventor of Livewire, he is a pioneer in IP Audio technology. Steve designed the first DSP-based product for radio broadcast applications, the Telos 10 digital hybrid. He was the first to design a product using MP3 and played a key role in popularizing the codec for PC and Internet music applications. Skip Pizzi is Contributing Editor at Radio World magazine, where he writes "The Big Picture" column that appears in every issue. He has also spent 11 years in various positions at Microsoft, initially as Audio Systems Engineer in the Interactive Media Production unit, and most recently as Senior Policy Analyst for the company's Entertainment & Devices Division. Previously, Skip served as Technical Editor, Editor and Editor-in-chief at Broadcast Engineering and BE Radio (now Radio) magazines. Earlier he spent 13 years at NPR, where he served as technical director for numerous award-winning programs, and founded the company's technical training program. He is also a published author (see below). Skip is a frequent speaker at international conferences on broadcasting, audio and music, and currently co-chairs the Surround Sound Audio Task Group of the U.S.'s National Radio Systems Committee. Skip also serves as a judge for the National Television Academy's "Technical Emmy" Awards. He holds a B.A. from Georgetown University, where he studied International Economics, Electrical Engineering and Fine Arts.
EAN: 9780240812441
ISBN: 0240812441
Untertitel: Building Pro AoIP Systems with LiveWire. Illustrations. Sprache: Englisch.
Verlag: Taylor & Francis Ltd
Erscheinungsdatum: November 2009
Seitenanzahl: 278 Seiten
Format: kartoniert
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