IP Broadcasting and Session Initiation Protocol 

Broadcasting over IP is rapidly becoming the paradigm by which broadcasters are planning future broadcast network infrastructures.

Establishing a SIP Connection 

Codecs manufactured by members of the Audio-via-IP Experts Group -- AETA, Mayah, Oban/CRL and Tieline -- are SIP compliant. This article details the handshaking communication to establish a reliable connection.

New Products from the 2008 NAB Show 

New products from the 2008 NAB Show from AEQ, Arrakis, Audio-Technica, Belden, Broadcast Devices, Broadcast Electronics, Clear-Com Systems, Comrex, Continental Electronics, Deva Broadcast, Edirol, ESE, Harris, HHB, Holophone, Klotz Digital, Nautel, Orban, Pristine Systems, RCS, Sealevel, Sonifex, Vorsis, V-Soft Communications and Wideorbit.

Technology Spotlight: Embedded Exporter 

Announced during the 2008 NAB Show, creating the embedded Exporter was a joint effort of the NAB HD Radio Technology Advancement Task Force and Ibiquity, and included the participation of Broadcast Electronics, Continental, Harris and Nautel.

Sample and Hold: HD Radio Rollout 

Radio magazine tracks the ongoing rollout of HD Radio

Higher-powered Sidebands 

The first difficulty in accommodating increased IBOC sideband levels is that, because of the higher peak-to-average AM component of the IBOC carriers, the transmitter must be derated from Class C saturated FM operation.

Top 10 Tech Tips for successful HD radio installation 

Ben Brinitzer has installed a number of HD Radio systems. He shares his top 10 tips for a successful installation

Open Mic: Metadata is the key 

Dan Mansergh shares his insight about the importance of program service data, and offers a tip on how to start providing it

Rise of the Console 

The reality is that there aren't that many analog consoles made any more, and installing them, in the old-fashioned way, just isn't that economical

Comfort & Sound 

When many people hear the term "small market radio" they get a mental image of old, worn-out equipment, shag carpet on the walls and rundown surroundings. WLOH in Lancaster, OH, defies this stereotype

Tips on punching in, light switch modification, mic flags, and fans 

Punching in, leaving the light on, mic identity and staying connected

Digital Audio Basics 

With the increasing amount and complexity of digital audio equipment, video multiplexing/de-multiplexing, complex routing paths and cable defects/influences, problems can develop with the digital audio signal

On-air Telephone Interfaces 

Radio broadcasters rely heavily on their telephones. Whether used for news, interviews, contests, requests or talk radio, the ability to easily manage phones on-air is a long-standing requirement, and that’s unlikely to change

Tips on vehicle maintenance and wasps and bees 

Vehicle maintenance, checking for leaks, and wasps and bees

Streamlined Station 

When I first assumed the chief engineer duties at WHKP, I inherited a facility that, while beautiful and functional, was aging as far as broadcast equipment. The station had been using a DOS-based automation system since the mid-1990s for traffic and play-out of commercial material

Tips on mic booms, mic spring, silent mic boom, lpb mic, analog cell phones, and metric screws 

Flying springs, analog cell phones and extra pieces.

Tennessee Turnaround 

WKNO-FM, an NPR member station in Memphis, began operations on April 1, 1972, on 91.1MHz with 40kW of effective radiated power. The station launched its HD Radio signal in the fall of 2007. Up to that point, we underwent incremental upgrades and adjustments to the original installation.

New Delivery 

We live in a time when we must take a good look at the definition of radio. Why? Consider the story of a college sports fan who wanted to hear the radio broadcast of a recent football game, but wasn't near a radio. He used his cell phone to get online, navigate to the station that carried the football game broadcast, clicked on Listen Live, and heard the game. He wasn't listening to FM or AM signal propagation. He was listening to a digital audio stream, but wasn't it the same material that was heard over the air?

Colorado Public Radio Goes Surround 

When I began evaluating surround technology, I had a number of mandates to fulfill as the technology specialist for CPRN, and its flagship stations, KVOD-FM Denver, and KUSC-FM Los Angeles. CPRN provides 24-hour broadcast programming and Internet streaming for its 60 public radio station network, as well as HD Radio programming distributed through NPR.

New Year's Eve 2007: San Francisco 

You can't capture everything, but you want to hear almost all the details you can possibly put into it. What you end up doing is filling holes. When something falls out of the mix, you find it and grab it. If something pops up you grab that, too.

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