File-Based Closed Captioning System without Captioning Delay

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Conference Paper
Content Type: Original Research
Volume: 2015, No. 10, pp. 1–8
Abstract: There have been complaints on the time delay between closed captions and dialogues on TV occurring due to live stenography. The problem can be solved if captions are generated beforehand, but it is practically impossible to enforce pre-production for all the broadcasting programs. To cope with it, we propose a new file-based closed captioning system based on speech recognition and audio-fingerprinting. The system aims at rerun episodes—episodes with pre-prepared caption files produced by live stenography at the first-run, thereby containing delayed captions. To match the delayed captions with the dialogues, the system adjusts timelines of the captions based on automatic speech recognition. When it comes to rebroadcasting, since there would be video editing in the rerun episodes, the system finds differences between the rerun and the first-run by comparing their audio-fingerprints and generates new closed caption files. The proposed system is implemented and applied in KBS (Korean Broadcasting System).
Publication Date: 2015-10-26
DOI: 10.5594/M001675
ISBN: Print: 978-1-61482-956-0
Link: https://doi.org/10.5594/M001675
Author(s): Yunhyoung KimKBS (Korean Broadcasting System)
Sunghee HanKBS (Korean Broadcasting System)
Sungwoo ChoiKBS (Korean Broadcasting System)
Byunghee JungKBS (Korean Broadcasting System)
Keyword(s): Closed-captions, Automatic Speech Recognition, Audio-Fingerprinting, File-based Closed Captioning System
Copyright: © 2015 Society of Motion Picture and Television Engineers, Inc.

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Yunhyoung Kim, Sunghee Han, Sungwoo Choi, and Byunghee Jung; File-Based Closed Captioning System without Captioning Delay, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001675

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Yunhyoung Kim, Sunghee Han, Sungwoo Choi, and Byunghee Jung; File-Based Closed Captioning System without Captioning Delay, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at https://doi.org/10.5594/M001675

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<span class="citation">Yunhyoung Kim, Sunghee Han, Sungwoo Choi, and Byunghee Jung; <cite>File-Based Closed Captioning System without Captioning Delay</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0. Available at <a href="https://doi.org/10.5594/M001675" target="_blank" rel="noopener">https://doi.org/10.5594/M001675</a></span>

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<li>
Yunhyoung Kim, Sunghee Han, Sungwoo Choi, and Byunghee Jung; <cite id="bib-10-5594-m001675">File-Based Closed Captioning System without Captioning Delay</cite>, SMPTE Meetings and Conferences ( October 2015); SMPTE, 2015, ISBN: 978-1-61482-956-0
<span class="doi">10.5594/M001675</span>
</li>