Encoding system and method, decoding system and method, multiplexing apparatus and method ...

40 Pages·2013·2.17 MB·English

US007551672B1
(12) United States Patent (10) Patent N0.: US 7,551,672 B1
Tahara et a]. (45) Date of Patent: Jun. 23, 2009
(54) ENCODING SYSTEM AND METHOD, (56) References Cited
DECODING SYSTEM AND METHOD,
U.S. PATENT DOCUMENTS
MULTIPLEXING APPARATUS AND
METHOD, AND DISPLAY SYSTEM AND 5,289,190 A 2/1994 Shimoda et a1.
5,461,420 A * 10/1995 Yonemitsu et a1. 375/24015
METHOD
(Continued)
(75) Inventors: Katsumi Tahara, KanagaWa (JP);
FOREIGN PATENT DOCUMENTS
Yoshihiro Murakami, KanagaWa (JP)
AU 9664209 2/1997
(Continued)
(73) Assignee: Sony Corporation, Tokyo (JP)
OTHER PUBLICATIONS
N. Bjork, C., Christopoulos, Transcoder architectures for video cod
( * ) Notice: Subject to any disclaimer, the term of this
ing, IEEE Trans. On Consumer Electronics, Vol. 44, N0. 1, pp. 88-98,
patent is extended or adjusted under 35 Feb. 1998.
U.S.C. 154(b) by 0 days.
(Continued)
(21) Appl. No.: 09/647,620 Primary ExamineriDavid CZekaj
(74) Attorney, A gent, or Fi rmiFrommer Lawrence & Haug
(22) PCT Filed: Feb. 4, 2000 LLP; William S. Frommer
(86) PCT No.: PCT/JP00/00629 (57) ABSTRACT
§ 371 (0X1)’ The present invention relates to an encoding system for
(2), (4) Date: Oct. 3, 2000 encoding input video data and a multiplexing system for
multiplexing a plurality of encoded streams. More particu
(87) PCT Pub. N0.: WO00/46995 larly, it proposes a system and method that involve describing,
in encoded streams, information on the picture order of input
PCT Pub. Date: Oct. 8, 2000 video data, and using the picture order information When
generating packetiZed elementary stream (PES) packets, to
(30) Foreign Application Priority Data prevent delays associated With the PES packet generation.
Feb. 5, 1999 (JP) ............................... .. 11-029375 MPEG encoders generate PTS_count and DTS_count based
Feb. 5, 2009 (JP) ............................... .. 11-029376 on the information obtained from the number of ?elds in the
Feb. 5, 2009 (JP) ............................... .. 11-029377 input video data and describe the PTS_count and DTS_count
data as picture order information in encoded streams. The
(51) Int. Cl. packetiZers for generating packetiZed elementary stream take
H04N 7/12 (2006.01) out PTS_count and DTS_count described in the encoded
H04N 11/02 (2006.01) streams, generate presentation time stamps and decoding
(52) U.S. Cl. ........................... .. 375/240.01; 375/240.24 time stamps based on PTS_count and DTS_count, and add
(58) Field of Classi?cation Search .......... .. 375/240.26, these time stamps as PES header data.
375/240.16, 240.01, 240.28
See application ?le for complete search history. 6 Claims, 25 Drawing Sheets
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US 7,551,672 B1
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US. PATENT DOCUMENTS JP 9-307891 11/1997
KR 97-14362 3/1997
5,473,380 A 12/1995 Tahara KR 1998-087431 12/1998
5,517,250 A * 5/1996 Hoogenboom et al. . 375/240.27 MX 9603578 g/1996
5,544,266 A 8/1996 Koppelmans et al. TW 311321 7/1997
5,568,165 A * 10/1996 Kimura .................... .. 345/547 W0 W0 98 54899 12/1998
5,612,900 A * 3/1997 Azadegan et a1. . 709/247
5,646,693 A * 7/ 1997 Cismas ........ .. 348/441 OTHER PUBLICATIONS
5,675,379 A * 10/1997 Kato et a1. .................. .. 348/97 “Proposed SMPTE standardforTe1eViSi0n_MPEG_2Vide0 E1emen_
5,715,009 A 2/1998 Tahara. etal tary Stream Ed1.t.1 ng Informat1. on ,, SMPTE Journal, SMPTE Inc.
5,754,698 A 5/1998 SuZuk1 et a1
Scarsdale, NY, US, vol. 109, No. 2, Feb. 1, 2000, pp. 151-154,
5,771,357 A 6/1998 Kato et a1
. XP000913024 ISSN: 0036-1682.
5,778,139 A * 7/1998 K1. m .......................... .. 386/81 “ ITU-T Recommendat1. on H.262, Internat1. onal Standard ISO/IEC
5,940,130 A 8/1999 N1lsson et al. 13818.2 MPEG-2 V1. deo. Transm1.s s1. on of Non-Telephone Sl. gnals.
6,088,393 A 7/2000 Knee. et a1. Informat1. on Technology4Gener1.c Codl. ng of Mov1. ng Pl. ctures and
6,177,922 B1* 1/2001 Sch1efer et al. ........... .. 345/698 Assoc1. ated Aud1. o Informat1. on: V1. deo ,, ITU-T Telecommun1c. at1. on
6,278,733 B1* 8/2001 Bennett etal. . 375/240 St d d1. t. S t fITU G CH J 1 l 1995 1211
6,674,801 B1* 1/2004 Kim .................... .. 375/240.26 6303193911)“ ec °r° ’ eneva’ ’ u‘ ’ ’PP' ' ’
6,798,756 B1 9/2004 Kosugi Information Te' chnology4Generic Coding of Moving Pictures and
Associated Audio Information: Systems. Technologies De
FOREIGN PATENT DOCUMENTS
L’Information4Codage Des Images Animees Et Du Son Associe:
9603538-2 8/1996 Systems International Standard ISO/IEC, XX, XX, vol. 13818-1,
1215288 A 4/1999 Apr. 15, 1996, pp. I-XY,01, XP000667435.
0 762 772 A2 3/1997 Wilkinson J H; Nakano H: “SDTI-CP: Packaging for Bitstreams”
0 881 838 A1 12/1998 IEE Colloquium Post Production Workstations and Networking,
Nov. 25, 1998, XP008098607.
0 888 015 12/1998
J .H. Wilkinson, H. Nakano: “SDTI-CP: Packaging for Bitstreams”
8-205146 8/1996
[Online] Jun. 2, 1999 XP002506145 Retrieved from the Internet:
8-214296 8/1996 URL:http://WWW.btinternet.com/ {ivemail/publicdocs/pdf/
9-121360 5/1997
sdtiicppaper.pef> [retrieved on Nov. 28, 2008].
9 247666 9/1997
9 247670 9/1997 * cited by examiner

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