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Author Topic: Calls for open captions at movies after Saskatoon man's experience Harold Hallikainen Jedi Master Film Handler Posts: 906 From: Denver, CO, USA Registered: Aug 2009 posted 03-26-2019 05:56 PM                        The QSC/USL system is IR linked and uses one way communications. A red LED in the lower right corner of the display lights and dummy captions run if no IR data is received (typically because the receiver is not in the auditorium). When IR data is being received, the welcome message (programmed into the IR transmitter) is displayed unless content is playing (indicated by a SetOutputMode request in the SMPTE 430-10 protocol). If content is playing, either the current caption is displayed or the display is blank (typically between captions). Captions are transmitted repeatedly from the TimeOut of the previous caption to the TimeOut of the current caption. A CRC in each transmission ensures errors are rejected. The repeated transmission allows recovery from received errors. Packets are transmitted with the current timeline information (PlayoutID, current position and rate), and each of four languages. The receiver has its own timeline clock that is synchronized with the received timeline info. The buffered caption is displayed and taken down based on the local timeline clock and the TimeIn and TimeOut of the caption. Based on the discussion in this thread, I'm thinking of adding code to the receiver that puts up a message telling how many minutes until the next caption when SetOutputMode is enabled. In general, stuff can go wrong! I suggest theater staff walk all the auditoriums on the first showing of a movie to ensure HI, VI, and closed captions are working. A once a week check should be good, and many times problems are due to new content. When an issue occurs, I work with the theater, server supplier, and content supplier to resolve the issue. It's better for theater to staff to discover a problem before a customer does. The desire for open captions is nothing new. It was mentioned by several people in the comments to the NPRM that established the current rules. A summary of all the comments with links to the comments is available at http://hallikainen.org/org/DojNprm/ . A summary of the current US rules on HI/VI/CC is available at http://ftp.uslinc.com/MultiProduct/Accessibility/q_wp_cin_accessibilityrequirement_171129.pdf . Harold  |  IP: Logged Buck Wilson Jedi Master Film Handler Posts: 894 From: St. Joseph MO, USA Registered: Sep 2010 posted 04-09-2019 11:58 PM                     To those assigning some fault to the guest: I can understand the frustration that a customer may sit through an issue(any issue, really, not just captions) and complain after the fact, but do know it's not the customer's job to be your equipment tester/guinea pig/quality control. They paid to watch a movie, period. Of course, accidents happen, equipment and technology isn't perfect, but it's up to the employees/management/owner to know what's going on.  |  IP: Logged

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