CEA’s “R4.0” Video Systems standards development committee formed a new working group (R4WG18) on receivers for the next-gen ATSC 3.0 broadcast DTV standard, ATSC said Monday in its monthly newsletter. R4WG18 is co-chaired by Martin Freeman of Samsung and Peter Shintani of Sony, and its charter “is to develop standards, recommended practices and technical reports on receiver guidelines, profiles and characteristics in support of the ATSC 3.0 emission standard,” ATSC said. “A fast-track liaison process has been established between ATSC and CEA for the two-way exchange of important information between the two standards development organizations,” ATSC said. The point men on the liaison will be Paul Thomsen, a technology adviser to CEA, and Rich Chernock of Triveni Digital, who chairs the ATSC’s "TG3" technology group that’s leading the ATSC 3.0 development effort.
Though ATSC said in its Dec. 8 call for proposals (CFP) that it has no plans “to develop the ATSC 3.0 audio system out of independent components from multiple sources" (see 1412090019), that won’t preclude the possibility that ATSC will pick multiple audio codecs for the next-gen broadcast system, ATSC President Mark Richer emailed us Thursday. "ATSC may select a single audio system or multiple audio systems for ATSC 3.0." He was reacting to a statement from DTS, one of three contestants to submit ATSC 3.0 audio proposals in response to the CFP, in which it supported ATSC picking multiple audio codecs rather than deciding on a single mandatory audio standard for ATSC 3.0. At DTS, “we believe ATSC 3.0 audio should be a multi-codec choice and not a single mandatory solution,” spokesman Jordan Miller emailed us Wednesday. Though Miller didn't say so, the statement seemed an attempt to forestall ATSC choosing Dolby or another technology as a single mandatory audio codec for ATSC 3.0 as ATSC did in picking Dolby AC-3 as the mandatory audio codec for the existing DTV broadcast system. Dolby and the "MPEG-H Audio Alliance" of Fraunhofer, Qualcomm and Technicolor were the other contestants to submit proposals in response to the CFP. “Choice, innovation and competition are important to ATSC and broadcasters, and a framework for multiple audio codecs will be key to allowing broadcasters to choose the solution that best matches their needs," Miller of DTS said. "This will ensure that ATSC can remain at the forefront of technology in the face of competing systems, and ensure consumer-electronics manufacturers are not beholden to a single, mandatory technology provider.” Miller confirmed that DTS:X, “our next generation object based audio platform, is the core component of our ATSC 3.0 submission.” For Miller, it was a somewhat more sweeping claim of the role of DTS:X in the DTS ATSC 3.0 submission than he made a day earlier when he told us only that a “portion” of DTS:X would be “leveraged” in the DTS ATSC 3.0 audio proposal (see 1501210023).
DTS acknowledged for the first time Wednesday that its DTS:X object-based audio codec figures prominently in the proposal the company submitted last week (see 1501130054) to vie for selection as the audio system for the next-gen ATSC 3.0 broadcast standard.
Three proponents had registered by Tuesday afternoon their intent to vie for selection as the audio system for the next-gen ATSC 3.0 broadcast specification, ATSC spokesman Dave Arland emailed us. The deadline for responses to ATSC’s Dec. 8 call for proposals (CFP) was 11:59 p.m. EST Tuesday. The three proponents are Dolby Labs, DTS and, as a group, Fraunhofer, Qualcomm and Technicolor, Arland said. ATSC, through its S34-2 ad hoc group, plans a thorough but fast-track process for choosing a proponent audio system for ATSC 3.0, in keeping with ATSC’s self-imposed deadline of finishing the ATSC 3.0 standard by the end of this year, its CFP said (see 1412090019). Audio systems proposed "will be judged discretely and in their entirety, as comprehensive, end-to-end systems for emission of the ATSC signal," the CFP said. "ATSC does not intend to develop the ATSC 3.0 audio system out of independent components from multiple sources."
ATSC is looking ahead to 2015 "with eager anticipation, tempered with a healthy dose of cautious optimism," as the next-gen ATSC 3.0 broadcast system approaches the status of a "candidate standard" in the months ahead, ATSC President Mark Richer said in a President's Memo in ATSC's monthly newsletter, published Friday. "The process is the process, and there will need to be some give and take" as ATSC's "TG3" technology group works to make the candidate standard a reality, Richer said. The ATSC board "is urging TG3 participants to keep their eye on the prize and quickly resolve issues that arise or find ways to move forward on a path toward resolution" as the candidate standard is finalized, he said. "The eyes of the world are on the ATSC and our disciplined, inclusive, open approach to standards-setting. As such, it’s crucial that the new standard both moves ahead expeditiously and meets the varied needs of broadcasters, manufacturers and viewers in the United States and around the world."
PMCM pushed back against CBS and Meredith Corp., saying they haven’t attempted to show that PMCM’s WJLP-TV Middletown Township, New Jersey, caused any problems by use of Virtual Channel 3.10. Meredith Corp. and CBS issued a joint opposition to PMCM’s application for review of FCC Media Bureau orders on the proper virtual major channel for WJLP. That opposition “is essentially non-responsive” to PMCM’s application, PMCM said in its response posted Friday in docket 14-150. “Their failure even to attempt some, any, rebuttal may be seen as an effective concession of the correctness of PMCM’s arguments.” CBS and Meredith Corp. also fail to mention there are no fewer than 105 situations, already in place for years, “in which non-commonly-owned stations with overlapping service areas use identical two-part virtual channel numbers” in apparent violation of the A/65 ATSC standard, PMCM said.
The ATSC, through its S34-2 ad hoc group, plans a thorough, but fast-track process for choosing a proponent audio system for the next-gen ATSC 3.0 broadcast system (see 1412080040), in keeping with ATSC’s self-imposed deadline of finishing the ATSC 3.0 standard by year-end 2015, says the ATSC in a Call for Proposals (CFP) published Monday and released publicly Tuesday.
The ATSC plans to release publicly Tuesday its call for proposals on audio codecs for the next-gen ATSC 3.0 broadcast system, sources close to the ATSC told us Monday. Release of the call for proposals, which had been expected for the past month (see 1411060033), is a major step toward building the audio and video compression components of ATSC 3.0. When coupled with its new physical layer, ATSC 3.0's video and audio codecs will make for a next-gen system that will be "far more efficient, far more robust and far more flexible" than the existing ATSC DTV broadcast system, its framers said. HEVC likely will be the backbone video codec for ATSC 3.0, they said. ATSC’s "S34-2" ad hoc group on ATSC 3.0 audio is charged with drafting specs that would allow an "immersive" experience, said the group’s chairman, Jim Starzynski, director and principal audio engineer at NBCUniversal Advanced Engineering, at an ATSC 3.0 "Boot Camp" conference last spring. ATSC 3.0 audio is expected to have two parts, its "personalization" aspect and its immersive home theater surround component, the ad hoc group said. For ATSC 3.0 surround, the ad hoc group for months has been "zoning in" on an object-based, height-rich format it calls "7.1 plus 4," which includes four height speakers, it has said. The announcement to be released Tuesday stresses the personalized and immersive audio experiences ATSC hopes to gain through ATSC 3.0. "Personalization includes enhancement to the control of dialog, use of alternate audio tracks and mixing of assistive audio services, other-language dialog, special commentary, and music and effects," it quotes ATSC President Mark Richer as saying. "Plus, the system will support both the normalization of content loudness and contouring of dynamic range, based on the specific capabilities of a user's fixed or mobile device and its unique sound environment." As for its "immersive audio functionality," it’s hoped ATSC 3.0 will envelop "the listener with precise sound source localization in azimuth, elevation and distance, and provides an increased sense of presence," Richer says in the announcement. "These features can be supported over the listening area, without the need for a large number of physical speakers." Systems submitted in the call for proposals "will be judged discretely and in their entirety, as comprehensive, end-to-end systems for emission of the ATSC signal," the announcement will say. It requests that proponents submit "only complete audio solutions that satisfy ATSC 3.0 system needs, because the ATSC does not intend to develop the ATSC 3.0 audio system out of independent components from multiple sources." The ATSC 3.0 audio system is expected to support audio with video content as well as audio-only content, it says.
Engineers who work with AM stations are divided over a proposal that the FCC mandate AM receiver standards. The proposal was submitted to the FCC this year in a letter from Tom King, president of Kintronic Labs. Some AM radio professionals cautioned that establishing such standards would deter receiver manufacturers from building AM receivers altogether.
Broadcasters and the media technology industry are continuing to look ahead to broader mobile DTV and mobile emergency alert system (M-EAS) capability, they said. Following pilot projects over the past few years, participants in the development and implementation of next-generation EAS will try to enhance the technology and include it in the next-gen ATSC 3.0 broadcast system, they said.