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| Paper Abstract and Keywords | ||
| Presentation | 2007-09-20 15:10 A Digital Video Scrambling Method with Variable Concealed Level for Stored Content Yusei Nishimoto, Satoshi Fujitsu, Takeshi Kimura, Hiroyuki Imaizumi (NHK), Nagahisa Mita (Kumamoto Univ.)  MoMuC2007-45 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Streaming-based mobile broadcasting such as terrestrial 1-segment broadcasting and digital audio broadcasting started recently, and download-based mobile broadcasting services which play back stored content on receivers are being considered. These broadcasting services require a function for playing back content in depleted video to encourage viewers to purchase content, in addition to a function that allows only subscribers to view content. Therefore, broadcasters require a digital video scrambling method with variable concealed level to control the video quality of stored content. We propose a digital video scrambling method with variable concealed level for stored content. The method can handle H.264/AVC coding content and the processing load for controlling the concealed level of video is low. We also verify by evaluating video quality and implementation that the proposed method is feasible for actual services. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | terrestrial 1-segment broadcasting / digital audio broadcasting / narrow-band broadcasting / scrambling / access control / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, pp. 11-16, Sept. 2007. | |
| Paper # | ||
| Date of Issue | 2007-09-13 (MoMuC) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MoMuC2007-45 |
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| Conference Information | |
| Committee | MoNA ITE-BCT ITE-CE |
| Conference Date | 2007-09-20 - 2007-09-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ehime Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ITE-BCT |
| Conference Code | 2007-09-MoMuC-ITE-BCT-ITE-CE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Digital Video Scrambling Method with Variable Concealed Level for Stored Content |
| Sub Title (in English) | |
| Keyword(1) | terrestrial 1-segment broadcasting |
| Keyword(2) | digital audio broadcasting |
| Keyword(3) | narrow-band broadcasting |
| Keyword(4) | scrambling |
| Keyword(5) | access control |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yusei Nishimoto |
| 1st Author's Affiliation | NHK Science & Technical Research Laboratories (NHK) |
| 2nd Author's Name | Satoshi Fujitsu |
| 2nd Author's Affiliation | NHK S&T Research Laboratories (NHK) |
| 3rd Author's Name | Takeshi Kimura |
| 3rd Author's Affiliation | NHK Science & Technical Research Laboratories (NHK) |
| 4th Author's Name | Hiroyuki Imaizumi |
| 4th Author's Affiliation | NHK Science & Technical Research Laboratories (NHK) |
| 5th Author's Name | Nagahisa Mita |
| 5th Author's Affiliation | Kumamoto University (Kumamoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2007-09-20 15:10:00 |
| Presentation Time | 30 minutes |
| Registration for | ITE-BCT |
| Paper # | MoMuC2007-45 |
| Volume (vol) | vol.107 |
| Number (no) | no.224 |
| Page | pp.11-16 |
| #Pages | 6 |
| Date of Issue | 2007-09-13 (MoMuC) |
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