theibcdaily AC-4 preps personalised audio Dolby Laboratories
By Will Strauss Making it possible for broadcasters to provide personalised audio services is a focus for Dolby at IBC this year as the almost 50- year-old company highlights the benefits of AC-4.
A new audio compression
format for distributing rich media content, AC-4 uses existing workflows and tool chains to make it possible for broadcasters and OTT service providers to offer a new breed of interactive audio services such as personalised sports commentary or dynamics control, multilingual support
Delta gets IBC launch
Elemental Technologies By Ian McMurray
A new video delivery platform that is said to help content owners and distributors add new time-shifted services, reduce
distribution costs and more precisely manage content in multiscreen delivery
deployments is being launched by Elemental Technologies at IBC.
The company says that Elemental Delta has undergone extensive testing, with initial customers including major telco, OTT, broadcast, satellite and mobile operators in the US, Europe and Middle East. Elemental Delta supports multiscreen delivery of advanced
and adaptive 360-degree audio experiences on any device. AC-4, which was published as an international standard by the European Telecommunications Standards Institute (ETSI) in April 2014, is a successor to AC-3 and offers the ability to deliver both channel-based and object-based audio.
live-to-VoD services such as catch-up TV, start-over TV and nPVR, combining just-in-time packaging, origin services, intelligent caching, dynamic ad insertion and replacement, and end-to-end encrypted content protection functions in a single platform. The platform is designed to reduce multiscreen system complexity with the ability to transform any input into any output for high-quality, secure video delivery. The IP video delivery solution is claimed to lower storage, bandwidth and transit costs and help content providers mitigate distribution
Dolby Vision is also on
show at IBC. Dolby Vision is designed to help content creators and TV manufacturers to deliver improved brightness, colours and contrast by augmenting the fidelity of Ultra HD and HD video signals for over-the- top online streaming, broadcast and gaming applications. This is achieved
expense by taking ownership of greater portions of the delivery infrastructure. “Increased demand for mobile content and apps is due to the proliferation of smartphones and tablets,” wrote Vincent Fu, principal research analyst and Akshay Sharma, research director for Gartner. “These devices, with their advanced multimedia capabilities, are driving the rapid consumption of dynamic and rich mobile content, such as streaming HD video and access to the cloud. The surge in mobile users
by maintaining and reproducing the dynamic range and colour palette of the original content. Dolby’s presence at IBC is
not restricted to just its stand in Hall 2. The Big Screen Auditorium is also equipped with Dolby Atmos, the cinema technology that makes it possible for filmmakers to place or move specific sounds anywhere within a movie theatre. 2.A11
accessing more dynamic content on various devices poses a key performance issue, such as slow response times and higher level of packet loss due to the nature of the unreliable mobile network environment.”
“This necessitates a new class of video delivery infrastructure, such as Elemental Delta,” said Aslam Khader, chief product officer for Elemental (pictured), “that is specifically architected for multiscreen content delivery and emerging, value-add live-to- VoD services.” 4.B75
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