Bad synchronization of captions and video programming can make it...
Bad synchronization of captions and video programming can make it difficult or impossible for deaf or hard-of-hearing viewers to understand TV programs, advocates for the deaf and hard of hearing wrote in a letter to the FCC (http://xrl.us/bnhw9y). That’s why…
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it’s so important that device manufacturers be required to include timing data, the letter said. “Absent a timing obligation on device manufacturers, efforts to encode captions with proper timing and synchronization at the programming source and efforts by VPDs [Video Programming Distributors] may be for naught,” the letter said. “Through our research we have found examples of situations that became unsynchronized entirely as a result of an apparatus not rendering the captions at the correct time relative to their encoding with the video,” the letter said. The letter included examples of cases where captions can become unsynchronized on devices including an iPad.