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One in a series of articles this week reporting on what the radio industry is telling the FCC about all-digital on the AM band.

National Public Radio “generally supports” allowing stations to transition, if they wish, to all-digital AM transmission using HD Radio in the United States. But it believes the commission needs to go further on how it would handle interference complaints from neighboring analog stations in the band.

About 80 AM public radio stations are affiliated with NPR or receive operational funding from the Corporation for Public Broadcasting, including WNYC(AM) in New York City.

[Read: Small-Market Owners Caution Against “AM Stereo Situation” With Digital]

NPR says it has significant interest in any measures to help AM broadcasters better serve the public by improving the listening experience.

“Facilitating the expansion of HD Radio and its additional functionality for program and public safety information and services would serve the public interest, provided the transition to all-digital HD Radio operation does not cause harmful interference,” NPR wrote in comments filed with the FCC this week.

“As it has in the past, NPR supports the expansion of HD Radio, but not at the expense of current analog AM service.”

NPR goes on to note the “concerns of others in the FCC record” over the potential for interference. Discussion of all-digital on the AM band in the United States has often centered around worries over interference.

The broadcaster does suggest in its comments several ways the FCC can help mitigate the risk of harmful interference from all-digital deployment. “NPR urges it to collaborate with industry to monitor both the progress of stations that adopt all-digital AM and the effects of such deployment on all-digital stations’ analog neighbors,” it wrote.

[Read: NAB Is All-In on All-Digital AM]

“Second, NPR suggests that the commission consider periodically disclosing general information about the number of stations transmitting all-digital AM signals, the number and type of interference complaints it receives, and how such complaints were resolved to help stakeholders understand the full landscape.”

NPR acknowledges certain FCC policies might prevent it from disclosing specific facts about complaints it receives.

“Finally, NPR encourages the commission to issue a public notice on or about the first and second anniversaries of the effective date of any rules it adopts here, seeking comment on the positive and/or negative effects of any all-digital AM deployments.”

NPR, which produces, acquires and distributes programming to nearly 1,200 public radio stations nationwide , also agrees that adopting the NRSC-5-D standard for all digital audio broadcast operations in the United States is appropriate.

 

The post NPR Supports All-Digital on AM, With Caveats appeared first on Radio World.

Paul McLane is editor in chief of Radio World. Marguerite Clark is editor in chief of Radio World International.

The necessary and prudent decision by the NAB to move or cancel its big spring show obviously causes a lot of understandable questions and short-term uncertainty in our industry. We’d like to take a moment to explain what Radio World readers and advertisers can expect from us in coming weeks.

Our core ongoing mission is to bring together buyers and sellers of specialized broadcast technology, and to help radio industry engineers and managers advance in their jobs and careers by exploring key technical and business trends.

Those goals usually converge at the annual convention, which we’ve covered in depth for 43 years; that’s why so many of our stories and ads are created during the spring show season.

Our team members were already making plans around a possible show postponement. Now we are working hard to adjust RW’s familiar offerings to these unique circumstances.

The key point for us right now is that commerce goes on. We have no doubt that the NAB Show will return vigorously next year (and possibly in some form yet this year). But meantime, radio engineers and managers need to buy new products … trends that would have been discussed during the show conferences are still newsworthy … and manufacturers need to get their word out to professional consumers.

Radio World, as the industry’s leading radio technical brand, has a crucial role to play in coming weeks. We will continue and expand our coverage under our “Spring Show @ Home” initiative.

Expect us to continue to report on new products that would have been shown at NAB, while also exploring new ways to put them before you. Our Best of Show Awards program, webinars, and Sneak Peeks and Must See newsletters all will be offered in slightly modified form as part of the Spring Show @ Home series. If anything we feel these information channels have an even more important role than ever in helping shine a spotlight on new offerings.

All of these are being created with the idea of helping you to do your job — whether you are a user of technology, or a creator of that technology.

Meanwhile we also seek to cover the ongoing impact of the coronavirus on the industry in a responsible manner. And we want to hear from our readers as well as our advertising partners about how we can best serve you.

Thanks for bearing with us as we adjust our own processes to serve you best. Let’s face it, this is an unusual business situation. But like radio itself, the broadcast technology industry is vibrant, enduring and evolving, and we’re proud to be part of it. We welcome hearing from you on this or any matter.

Paul McLane
Editor in Chief
Radio World

Marguerite Clark
Editor in Chief
Radio World International

 

The post A Note to Our Readers & Advertisers appeared first on Radio World.

The National Association of Broadcasters has created an online Coronavirus Response Toolkit to help broadcasters cover COVID-19 developments accurately and effectively. 

NAB added new downloadable COVID-19 public service announcements Thursday. The PSAs are available in both English and Spanish, and scripts are available to stations who want their own talent to read the information. 

Additionally, the toolkit features editorial guidelines, including lists of trusted resources and social media accounts to ensure stations point listeners in the right direction for COVID-19 information. 

“As COVID-19 impacts everyday life, it is important for broadcasters to communicate credible news and information to keep people safe and informed,” NAB President/CEO Gordon Smith said in an announcement about the coronavirus toolkit. “I encourage all broadcasters to utilize resources in the toolkit to help their local communities during this critical time.”

The toolkit also includes information to help stations mitigate coronavirus–related staffing concerns and to create internal plans to cope with disruptions related to the pandemic. 

The NAB also aborted plans for the April NAB Show Wednesday due to the coronavirus spread. The association has not yet announced whether it will reschedule the event. Some groups who had planned colocated events, such as Nautel’s NUG@NAB and PBS’ TechCon have cancelled their events, while others are formulating their own responses and deciding whether or not to postpone.

Visit the Centers for Disease Control’s coronavirus page for more information and the latest updates on the U.S.’ mitigation strategy. Learn more about social distancing and how it can help stop and/or slow the spread of diseases, per CDC recommendations.

The post COVID-19 Response Toolkit Now Available From NAB appeared first on Radio World.

The author is sales and marketing manager at 2wcom.

The way people consume media content is changing significantly. Like the expansion of IP, this greatly influences the convergence of media production and distribution units for radio, video and the internet.

Anke Schneider

Broadcasters therefore have the chance to adapt to the transitioning media-consumption behavior and use it to their advantage.

• Target group orientation: Keep in mind that besides the attractive younger audience, it‘s crucial to offer each target group the content they want, whether mobile or stationary.
• Cost and time efficiency: By treating a contribution as a cross-media project, the video, radio and internet units are no longer separated.
• Expand the value chain and encourage interaction: Cross-media content production and distribution means all playout sources can refer to each other. This leads to significantly higher coverage. Moreover, by integration on social networks, the opportunities of interaction with the audience increase. Both aspects include the chance of deploying new marketing formats.

TECHNOLOGICAL ADVANCES

Results of these developments include international projects such as 3GPP and 5G-Xcast. The latter is designed to build a universal and multidirectional IP network for efficient large-scale media distribution via 5G-Xcast. The project focuses on the dynamic switching between unicast, multicast and broadcast and also enables spectrum-efficient distribution of program content to a large number of simultaneous users with only one stream.

End users can receive reliable live and linear high-quality content without burdening their mobile data contingent. With a view toward the future, 5G-Xcast will allow national and private broadcasters to launch new on-demand formats or offer interacting facilities, besides classical linear content.

The transformation to cross-media production can only be achieved with a solid technical foundation. It’s important to carefully consider which approach best meets system requirements and the associated applications. For example, the best-of-breed approach is focused on using only those components per device that best meet the technical requirements. This method can be expensive and each eligible solution must be evaluated in regards to e.g. compatibility aspects or its compliance with the IT security guidelines.

A diagram of a cross-medial studio setup. The audio description contribution, Facebook commentary and radio contribution are produced in parallel, but separated from the video. A multimedia over IP network server enables for hybrid distribution of audio/radio content. Credit: 2wcom Systems.

Here are a few significant points focusing on interoperability and flexibility:

• Choose standards and protocols that optimally support respective use cases. The SMPTE ST 2110 standard is designed for cross-media production. In its structure, audio, video and ancillary data are separated, which allows for the ability of handling each one individually depending on the playout source. This is very practical, as SMPTE ST 2110 can receive all AES67 streams at a 48 kHz sample rate. It is interoperable with all common standards supporting pure audio/radio productions, such as Ravenna (distribution networks), Livewire+ (studio) or Dante (concert halls, conferences or studio). A specific application could be, for example, the audio description in a video, which helps blind and visually handicapped people aurally better follow the story. For this purpose, it’s sufficient to produce the audio content with one of the previously mentioned standards. Due to the structure of SMPTE ST 2110, the respective audio can be added to the stream, already including the video signal and ancillary data. Besides the flexible handling of different stream sources, an uncomplicated negotiation and management of all connections is possible for unicast and multicast streams because all relevant protocols are supported (SIP for unicast and RTSP/SDP for multicast). Unicast, for instance, makes sense in case of permanent point-to-point connections between studios. In order to be able to deal with advertising and discovery, connection management and network control in environments based on SMPTE ST 2110 and AES67, the Advanced Media Workflow Association (AMWA) has published the NMOS standard. Recently launched, this standard is constantly being refined based on technical real live requirements.
• Compatibility of audio algorithms can’t be taken for granted. Especially AAC profiles and Opus are implemented in different ways, which leads to incompatibility in regards of frame sizes. It is therefore important to put every manufacturer through its paces to ensure all possible variants of an audio algorithm are supported.
• Conversion of audio formats, protocols and standards according to the use case. That is, considered in terms of bandwidth economy, it makes sense to convert an audio stream for publication on a website from the high-quality PCM format to the compressed AAC xHE format. Or, to provide a stream not only for audio over IP networks but also for DAB+, it must be possible to transform from Ravenna standard to AES67.
• An intelligent content management of streams is essential, amongst others because the number of audio streams for a production is significantly higher compared to the number of video streams. It enables the combination of the appropriate elementary streams into logical groups. For example, Facebook comments mostly differ, so the “normal audio comment stream” is replaced with the “Facebook comment stream.” Hence, for further processing, you can select the relevant ones.
• Virtualization counts on scalability and maintenance. Most broadcasters want to be able to expand their networks as easy as possible, add new services with just a mouse click or mirror the configuration of one device to another. Scalability can be notably improved by using virtualization strategies. The possibilities that have been introduced by Docker or VMware to copy instances, take snapshots or run them across multiple hardware devices is a great improvement for scaling and maintaining networks.
• That has also a major impact on needed rack space. Thanks to virtualization, applications can share the same hardware or even run as a swarm across multiple hardware units with different hardware configurations. That reduces the number of devices needed, because server hardware has, in most cases, a lot more processing power than the specialized hardware of codec manufacturers. Thanks to AES67 and other audio over IP standards the requirements for real hardware interfaces are slowly disappearing and that is opening the door for virtualized solutions that are depending on an all-IP infrastructure.  With high bandwidth and robust IP lines audio processing in the cloud becomes possible. In consequence manufacturers have to pick up the pace and offer their solutions as virtualized software.

ENSURING TRANSMISSION ROBUSTNESS

There are various ways to ensure transmission stability. By standard software feature and/or protocol the SMPTE ST 2202-7 standard ensures dual-streaming of a generated IP stream. In the case of packet losses of the first stream, the respective packets can be reconstructed from the second stream. Another method is to transmit the stream in up to four different audio qualities.

In case of failure, the decoder switches to the next quality available. If unicast streams are sufficient for certain scenarios, SRT [Secure Reliable Transport] can also be used. SRT was originally designed for video, but supports audio perfectly, too. It offers a much better protection against packet loss than other FECs with low latency. Moreover, SRT offers encryption of the content.

An example of KroneHit’s cross-media radio election reporting with analyses and graphics for the homepage. In addition to radio and video, the station also integrated an online editorial team. Source: KroneHit, Austria

By device, this requires a logical concept that defines exactly how encoders and decoders should be cross-connected and when to switch to the backup device. In principle, this structure is similarly adaptable for all parts of a system.

In addition, hybrid distribution comprises not only an alternative source as a backup but also to increase coverage by reaching regions still lacking of IP or certain end customer devices like DAB radios. The possibility of using several sources in parallel means the produced content can be distributed via IP, FM, satellite or DAB.

The IRT’s 5G-Xcast project allows end users to receive top-quality linear and non-linear content with their 4G/5G-capable devices. Source: IRT Institut für Rundfunktechnik

By bandwidth and stream management, it is obvious redundancy by software does not come with low bandwidth and especially video streams are real bandwidth drivers. By using a SDN [software-defined network] controller the optimal path through the network is chosen for the traffic. In addition, an orchestrator handles the high number of streams.

Finally, synchronization in IP networks, and particularly audio syncs to the video, can be achieved by PTPv2. With parallel hybrid distribution via satellite this takes place via GPS using the 1pps signal.

The post Cross-Media Adoption Unites Media Production, Distribution appeared first on Radio World.

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“There’s sadness in this building today.”

NAB Executive Vice President of Communications Dennis Wharton told Radio World that the decision not to hold the NAB Show next month made for a “poignant moment” Wednesday. “It was a tough call but it was the right call.”

Whether the convention will be rescheduled or replaced with something else later this year is uncertain. NAB did not use the words cancel or postponement in its announcement, and Wharton confirmed that the association has been discussing various options.

But the sheer immensity of the annual spring event and the complexity of planning needed from exhibitors, speakers and attendees would certainly seem to limit the choices.

Some observers have speculated that NAB could hold an event in Las Vegas in the summer, or somehow modify its fall NAB Show New York. Wharton declined to comment and said it’s too early to discuss possible outcomes.

“The last few days [we] have been focused on rolling out this announcement responsibly and professionally, and assuaging some concerns of our members and exhibitor base,” he said.

He declined to estimate the potential cost to NAB of the decision or to discuss any insurance arrangements, other than saying “It’s obviously a financial hit.”

[Related: My Brief History of the NAB Show]

Wharton, who has attended every spring show for more than three decades, expressed sadness for others who have made the spring trek to Las Vegas part of their professional life.

The first of what became the NAB Show was held in 1923, in the earliest days of the modern radio industry. The only cancellation was in 1945.

 

The post Decision to Abort Makes for “Poignant Moment” at NAB appeared first on Radio World.

This is one in a series of articles about what the industry is telling the FCC about all-digital on the U.S. AM band.

A group of smaller-market AM owners want the FCC to allow voluntary all-digital transmissions; and they cautioned the commission against repeating the AM stereo situation of the 1980s.

The collection of broadcasters — in all 25 licensees — consists of groups such as East Texas Broadcasting and Georgia-Carolina Broadcasting that typically operate AM stations in smaller markets.

The comments were submitted to the FCC by their attorney John Garziglia of Womble Bond Dickinson LLP. They say broadcasters can control their own destiny by deciding whether to invest in all-digital AM technology. They cite the “significant” harm to AM listenership from interference and reception issues, and the availability of higher-fidelity alternatives.

[Related: The NAB Is All-In on All-Digital]

“The AM broadcasters believe that allowing for all-digital AM operations is one means by which this listener erosion may be stemmed in the future. The undersigned AM broadcasters ask the FCC to make the all-digital AM mode of broadcasting available to them to use at their option,” they wrote.

The group recognizes that listenership could potentially drop since people with analog radios will be unable to receive the new signals, but they argue that it is the broadcasters, not the FCC, that can best discern what mode of broadcasting is most likely to attract audiences now and in the future.

All-digital AM operation should be allowed “both day and night,” the broadcasters say. They also are asking the FCC for some flexibility to be built into the new rules: “That any decision by an AM station to operate in an all-digital mode is discretionary and reversible, so that no station is required to operate in an all-digital mode, nor is any station who chooses to do so locked into that mode of operation.”

[Related: Let “Mr. Market Decide” Best AM Digital System]

But the broadcasters said that mistakes made during the launch of AM stereo in the mid to late 1980s should be avoided this time.

“The undersigned well-remember the listener and broadcaster confusion that surrounded the failure to adopt a specific AM stereo standard some decades ago, and have no wish to foist that uncertainty once again on the public and broadcasters,” they wrote. “Therefore, the undersigned AM broadcasters fully support the FCC’s decision to reject in this proceeding any comments advocating for a different AM digital mode of broadcasting.”

Digital Radio Mondiale has asked the FCC to allow DRM to be considered for use in the United States. The FCC has stated in a footnote to the current NPRM that it declines to reconsider the choice of IBOC HD Radio

 

The post Small-Market Owners Caution Against “AM Stereo Situation” With Digital appeared first on Radio World.

The National Association of Broadcasters will not hold the NAB Show, at least in April, due to public health concerns about coronavirus.

NAB President/CEO Gordon Smith made the announcement. See the full text at bottom of this article.

“We are currently considering a number of potential alternatives to create the best possible experience for our community,” Smith said.

The show markets itself the world’s “largest and most comprehensive convention encompassing the convergence of media, entertainment and technology.” It drew approximately 91,400 people to Las Vegas in 2019, and featured some 1,600+ exhibitors.

International attendance is an important part of the event; last year about 26% of people came from abroad. Of those, about 30% were from Asia.

As of Wednesday afternoon the show’s website proclaimed “The show is on” and continued its message that organizers were “moving forward responsibly” while taking direction from the WHO and CDC. But the World Health Organization on Wednesday declared coronavirus a pandemic, and the NAB announcement followed quickly. The number of U.S. cases surpassed 1,000 this week, according to a dashboard published by the Center for Systems Science and Engineering at Johns Hopkins University.

“This was not an easy decision. Fortunately, we did not have to make this decision alone, and are grateful to our NAB Show community for engaging with us as we grappled with the rapidly-evolving situation,” Smith said.

Recent days had seen an increasing number of exhibitor cancellations including familiar video names like Ross Video, Avid and Adobe, and some separate conferences that had timed their events to the big show pulled out, such as PBS TechCon, as other event organizers watched and worried.

Beyond broadcasting, a number of major events in cities around the United States have been cancelled or postponed. In many cases their planners say they intend to conduct virtual events or to offer other platforms for dissemination of show content and product information.

Here is the NAB statement:

NAB President and CEO Gordon Smith Announces NAB Show Off for April, Reviewing Options for Event Later This Year

Washington, D.C. – NAB President and CEO Gordon Smith today issued the following letter to the NAB Show community regarding plans for NAB Show in light of coronavirus concerns:

Dear NAB Show community,

As you know, we have been carefully monitoring coronavirus developments both domestically and globally over the past few weeks.

In the interest of addressing the health and safety concerns of our stakeholders and in consultation with partners throughout the media and entertainment industry, we have decided not to move forward with NAB Show in April. We are currently considering a number of potential alternatives to create the best possible experience for our community.

We have decided not to move forward with NAB Show in April.

This was not an easy decision. Fortunately, we did not have to make this decision alone, and are grateful to our NAB Show community for engaging with us as we grappled with the rapidly-evolving situation. This Show is as much yours as it is ours, and it is important to us that we move forward together.

For nearly 100 years, NAB Show has provided superior value and the best possible experience for exhibitors and attendees. We knew that if we could not deliver on those expectations, we would not move forward. More importantly, keeping the community safe and healthy is NAB’s highest priority; therefore, we are deferring to the developing consensus from public health authorities on the challenges posed by coronavirus.

We are deferring to the developing consensus from public health authorities on the challenges posed by coronavirus.

We are still weighing the best potential path forward, and we ask you for your patience as we do so. We are committed to exploring all possible alternatives so that we can provide a productive setting where the industry can engage with the latest technology, hear from industry thought leaders and make the game-changing connections that drive our industry forward.

I want to stress that despite our disappointment at how this year’s Show has been impacted by global public health concerns, we are more excited than ever about the future of NAB Show and our relationship with you.

We are grateful for each and every member of our Show community. It is your passion for the industry that makes NAB Show a success year after year, and it is that same passion that will drive us into the future as we look ahead to new possibilities later this year and beyond.

The post Breaking: The NAB Show Is Off, at Least for April appeared first on Radio World.

One FCC commissioner is personally asking for the Senate to be mindful of one particular part of the newly requested Federal Communications Commission budget — and it involves the money the commission needs as it attempts to tackle pirate radio activity in new ways.

FCC Commissioner Michael O’Rielly sent a letter to Sen. John N. Kennedy (R-LA), chairman of the subcommittee on Financial Services and General Government, as the committee goes about reviewing the $339 million budget request of the commission. Specifically, O’Rielly asked Kennedy to give close consideration to the efforts the commission must now make to implement the new PIRATE Act.

[Read: It’s Official: PIRATE Act Signed Into Law]

Passage of the PIRATE act, short for Preventing Illegal Radio Abuse Through Enforcement Act, in January 2020 was a welcome change, O’Rielly said, since it gives the commission new tools to combat pirate radio operators.

But those new tools come with an additional price tag. The commission has its work cut out for it, O’Rielly said, as it attempts to address the estimated 300-plus pirate operators that exist across the nation.

“With passage of the PIRATE Act, Congress has demanded that increased attention be paid to radio pirates and that enforcement action by the commission against pirate radio be as aggressive as possible,” O’Rielly said in his letter.

The act gives the commission the authority to levy fines of up to $100,000 per violation and $2 million in total. The act also streamlines the enforcement process; requires the FCC to conduct mandatory pirate radio enforcement sweeps in cities with the highest concentration of pirate radio use; and seeks to ensure more coordination among federal, state and local law enforcement.

According to O’Rielly, now that the act is in place, the FCC needs the subcommittee to appropriately prioritize pirate radio enforcement, whether that be through new funding or a reallocation of existing resources.

“Thankfully, by substantially increasing allowable penalties and requiring annual sweeps … the act provides us with potential tools at our disposal to address this issue,” O’Rielly said.

 

The post O’Rielly Seeks Funding to Implement PIRATE Act appeared first on Radio World.

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