Recording apparatus, recording method, playback apparatus, playback method and recording media

27 Pages·2013·1.71 MB·English

US006993248B1
United States Patent
(12) (10) Patent N0.: US 6,993,248 B1
Kato (45) Date of Patent: Jan. 31, 2006
(54) RECORDING APPARATUS, RECORDING 5,596,581 A * 1/1997 Saeijs et al. .............. .. 370/394
METHOD, PLAYBACK APPARATUS, 5,602,956 A * 2/1997 Suzuki et al. ............ .. 386/68
PLAYBACK METHOD AND RECORDING 5,621,840 A * 4/1997 Kawamura et al. 386/68
MEDIA 5,719,982 A * 2/1998 Kawamura et al. ......... .. 386/65
5,844,478 A 12/1998 Blatter et al.
_ . 5,881,203 A * 3/1999 Fujinami et al. ............ .. 386/96
((7735)) AInsvseingtnoere.Z MSOotnOyk Clo Kraptoor,a tKiaonma gTaowkay o( J(PJ)P ) 6,337,880 B1 *i 1I2002 gujinami et a1_0 .12 _ :_ _. _. _. _‘ "3_ _7 _ 5u /240I01
* _ _ _ _ _ 6,442,334 B1 * 8/2002 Kawamura et al. ......... .. 386/95
( ) Nome? sublectto any dlsclalmeri the term Ofthls 6,535,688 B1 * 3/2003 Kawamura et a1. 386/95
patent 1s eXtended 0r adJusted under 35 6,584,277 132* 6/2003 Tsumagari et a1. .......... .. 386/95
U.S.C. 154 b b 0 da 5.
( ) y y FOREIGN PATENT DOCUMENTS
(21) APP1- NO-I 09/526,192 CN 96113328.7 6/1997
_ EP 0 602 943 6/1994
(22) F11ed: Mar. 15, 2000 EP 0 676 756 10/1995
EP 0 756 281 1/1997
(30) Foreign Application Priority Data JP 8287473 11/1996
Mar. 19, 1999 (JP) ............................... .. 11-076148 * Cited by examiner
Nov. 9, 1999 (JP) ............................... .. 11-317738 _ _ _
Primary Exammer—Tha1 Tran
(51) Int (1 (74)Att0rney, Agent, or Firm—Frommer Lawrence & Haug
H04N 5/783 (200601) LLP; William S. Frommer
(52) US. Cl. ......................................... .. 386/69; 386/70
(58) Field of Classi?cation Search .................. .. 386/1, (57) ABSTRACT
386/33’ 45’ 69_70’ 95’ 111_112’ 125_126; A recording apparatus for recording a data stream including
360/721’ 72'2’ 73'02’ 73'03’ 73'08’ 7304; one or more packetiZed video streams comprising a detector
369/3201, 43; H04N 5/781, 5/783, 5/76, . . ’
H04N 9/79 for detectmg a random-access pomt of the data stream and
S 1. t. ?l f 1 t h h. t an apparatus for obtaining an address of the random-access
6e app lea Ion e or Comp 6 e Seam 15 my‘ point. Apacket including an address is distinguished accord
(56) References Cited ing to a packet identi?cation information. A data base is
created including the address and the packet identi?cation
US. PATENT DOCUMENTS information. The data base is recorded separately from the
data stream on a recording medium.
5,428,393 A * 6/1995 Enokida ................ .. 348/3901
5,517,250 A 5/1996 Hoogenboom et al.
5,568,274 A * 10/1996 Fujinami et al. .......... .. 386/107 78 Claims, 15 Drawing Sheets
24
CONTROL USER INTERFACE
-
I3 15
p AT/PMT TRANSPORT
ANALYSING UNIT STREAM
MANAGEMENT
STREAM CREATING UNIT
ANALYSING UNIT
TRANSPORT PID TIME STAMP
STREAM FILTER ADDING UNIT
FILE ERROR MODERATING WRITING RECORDING
SYSTEM CORRECTION UNIT UNIT UNIT MEDIUM
17 J 15 J 2D 21
RANDOM ACCESS POINT LIST OF VIDEO DATA
F PROGRAM A PROGRAM B
VIDEO PACKET VIDEO PACKET PID
TIME STAMP AND ADDRESS TIME STAMP AND ADDRESS
OF VIDEO ACCESS POINT 1 OF VIDEO ACCESS POINT 1
TIME STAMP AND ADDRESS TIME STAMP AND ADDRESS
OF VIDEO AC.CESS POINT 2 OF VIDEO ACCESS POINT 2
I O
I I

U.S. Patent Jan. 31, 2006 Sheet 2 0f 15 US 6,993,248 B1
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U.S. Patent Jan. 31, 2006 Sheet 8 0f 15 US 6,993,248 B1
(
BEGIN
I
RECEIVE TRANSPORT
S11
PACKET OF A PAT
I
SET PID
I
RECEIVE TRANSPORT
PACKET OF A PMT f S13
I
SUPPLY PID TO PID
FILTER AND STREAM $514
ANALYZING UNIT
I
3
END
FIG. 8
U.S. Patent Jan. 31, 2006 Sheet 9 0f 15 US 6,993,248 B1
Q BEGIN )
RECEIVE TRANSPORT
PACKET E” 321
l
DECODE 'RANDOM- f 522
ACCESS-INDICATOR"
RANDOM-ACCESS
INDICATOR= 1?
OUTPUT INDICATION THAT RANDOM
ACCESS PROCESSTNG CAN BEGIN AT THTS r’ 324
TRANSPORT PACKET
FIG. 9