Benefit from the development of information and internet technologies, television broadcasting is transforming from inefficient tape-based production and distribution to integrated file-based workflows. However, no ma...
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ISBN:
(纸本)9781628411867
Benefit from the development of information and internet technologies, television broadcasting is transforming from inefficient tape-based production and distribution to integrated file-based workflows. However, no matter how many changes have took place, successful broadcasting still depends on the ability to deliver a consistent high quality signal to the audiences. After the transition from tape to file, traditional methods of manual quality control (QC) become inadequate, subjective, and inefficient. based on China Central Television's full file-based workflow in the new site, this paper introduces an automated quality control test system for accurate detection of hidden troubles in media contents. It discusses the system framework and workflow control when the automated QC is added. It puts forward a QC criterion and brings forth a QC software followed this criterion. It also does some experiments on QC speed by adopting parallel processing and distributed computing. The performance of the test system shows that the adoption of automated QC can make the production effective and efficient, and help the station to achieve a competitive advantage in the media market.
“Broadcasters must engage a new generation of multitasking viewers who no longer sit passively in front of their television sets but browse the internet and interact with social media while watching TV. — Rather tha...
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ISBN:
(纸本)9781622765386
“Broadcasters must engage a new generation of multitasking viewers who no longer sit passively in front of their television sets but browse the internet and interact with social media while watching TV. — Rather than risk losing viewers, broadcasters can provide original premium content — including unseen camera angles and highlights — to viewers via second screen devices. The large amount of unused content that sits on live TV production servers can be used to enrich the user experience and maximize the value of already available content. — This paper will explore technology challenges in building open and scalable platforms to deliver high quality experiences on second screen devices, including: • Best practices in building near-live multi-camera replay platforms on top of standard live production environments • Overcoming challenges in cloud-based production and delivery to multiple screens • Integration with social networks, archives, stats and other third-party content.
In Digital Cinematography complete and correct backup of source media is one of the essential activities of the file-based workflow. In order to verify the completeness and correctness of a backup at any time, this pa...
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ISBN:
(纸本)9781622764204
In Digital Cinematography complete and correct backup of source media is one of the essential activities of the file-based workflow. In order to verify the completeness and correctness of a backup at any time, this paper proposes a XML-based Media Hash List (MHL) format - containing all the necessary information needed to detect possible errors during file copy and transfer. Such errors include aborted copies, bit errors, or changes in selection and contents of a backup. — A MHL file contains a list of files, cryptographic hashes for file verification, and digital signatures for data integrity of the MHL and the media files. An additional, optional section for documentation purposes is specified as well. — For a well-documented data workflow with improved integrity and simplified interchange of media files the MHL format is intended to be implemented by software for backup and media management as well as by file-based cameras and recorders.
One of the largest obstacles in migrating a facility to an all file-based workflow is understanding the nature of all of the various content sources and how they will be ingested, edited and managed throughout the wor...
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ISBN:
(纸本)9781622764204
One of the largest obstacles in migrating a facility to an all file-based workflow is understanding the nature of all of the various content sources and how they will be ingested, edited and managed throughout the workflow. Facilities must take into account wide variations in the formats of file-based sources available from field cameras, national news providers and web-based sources as well as archives. In addition to the file-based sources there will always be real time content from microwave, satellite and tape-based archive material that must be encoded and placed into the workflow. In the past these various formats and real time sources were normalized by a check-in, dub-in or transcode process that added time to the process. With the advancement and adoption of standards-based content types, along with increased capabilities of commercially available non-linear editors, there are new and more efficient ways of addressing the challenges.
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