A Development of 1/2-in. HDTV Digital VTR Incorporating Bit Rate Reduction Technology

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1996, No. 14A, pp. 214–223
Abstract: We have developed a 1/2-in. high-definition television (HDTV) digital VTR for program production, editing, and broadcasting incorporating bit rate reduction (BRR) technology. The objectives aimed at in developing the HDTV VTR are high picture quality, editing/trick play functions equal to those of conventional definition television (CDTV) VTRs, and a low running cost. Based on the results of a subjective assessment test using compressed moving pictures, we have employed intra-field fixed length discrete cosine transform (DCT) in BRR and set the compression factor at 4.1 for 8-bit video signal quantization and at 5.4 for 10-bit quantization. To hold down the cost of development and realize its early application, we developed an HD processor, which encodes and decodes HDTV video signals, and added it to a D-5 VTR used in CDTV. The newly developed BRR HDTV VTR provides improved picture quality as well as effective error concealment through the incorporation of such new technologies as adaptive processing, overlap blocking, and individual sync block allocation for low/high frequency component codes.
Publication Date: 1996-10-01
DOI: 10.5594/M001255
Link: https://doi.org/10.5594/M001255
Author(s): Toshihiro UeharaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Keigo MajimaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Tatsuya KuriokaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Takashi KatoNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Syouichiro OgawaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Haruo OkudaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Hideo OhshimaNHK Science & Technical Research Laboratories 1-10-11, Kinuta, Setagaya-ku, Tokyo 157 JAPAN
Junichiro KawanoNHK Engineering Administration Department
Shigemi MikamiNHK Engineering Administration Department
Mitsuo ChibaVideo System Division, Matsushita Electric Co., Ltd.
Tatsushi BannaiAVC Products Development Laboratory, Matsushita Electric Co., Ltd.
Copyright: © 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

[1] Oshima H. : “HDTV Digital VCR for Broadcast-use employing Bit Rate Reduction” , International Workshop on HDTV 1993. EXTERNAL
[2] Kato T. Kuge T. Majima K. Kurioka T. Okuda H. Oshima H. : “A Study on Bit Rate Reduction for a Broadcast-Use HDTV-VTR” , International Workshop on HDTV 1993. EXTERNAL
[3] Suesada K. Ishida K. Takeuchi J. Ogura I. Livingston P. : “D5:1/2-in. Full Bit Rate Component VTR Format” , SMPTE J . Vol.103 , No. 8 (Aug. 1994 ). EXTERNAL

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Toshihiro Uehara, Keigo Majima, Tatsuya Kurioka, Takashi Kato, Syouichiro Ogawa, Haruo Okuda, Hideo Ohshima, Junichiro Kawano, Shigemi Mikami, Mitsuo Chiba, and Tatsushi Bannai; A Development of 1/2-in. HDTV Digital VTR Incorporating Bit Rate Reduction Technology, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001255

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Toshihiro Uehara, Keigo Majima, Tatsuya Kurioka, Takashi Kato, Syouichiro Ogawa, Haruo Okuda, Hideo Ohshima, Junichiro Kawano, Shigemi Mikami, Mitsuo Chiba, and Tatsushi Bannai; A Development of 1/2-in. HDTV Digital VTR Incorporating Bit Rate Reduction Technology, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001255

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<span class="citation">Toshihiro Uehara, Keigo Majima, Tatsuya Kurioka, Takashi Kato, Syouichiro Ogawa, Haruo Okuda, Hideo Ohshima, Junichiro Kawano, Shigemi Mikami, Mitsuo Chiba, and Tatsushi Bannai; <cite>A Development of 1/2-in. HDTV Digital VTR Incorporating Bit Rate Reduction Technology</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/M001255" target="_blank" rel="noopener">https://doi.org/10.5594/M001255</a></span>

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Toshihiro Uehara, Keigo Majima, Tatsuya Kurioka, Takashi Kato, Syouichiro Ogawa, Haruo Okuda, Hideo Ohshima, Junichiro Kawano, Shigemi Mikami, Mitsuo Chiba, and Tatsushi Bannai; <cite id="bib-10-5594-m001255">A Development of 1/2-in. HDTV Digital VTR Incorporating Bit Rate Reduction Technology</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
<span class="doi">10.5594/M001255</span>
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