JP2008287885A - トランスポートストリーム再生装置、トランスポートストリーム再生方法、およびプログラム記録媒体 - Google Patents
トランスポートストリーム再生装置、トランスポートストリーム再生方法、およびプログラム記録媒体 Download PDFInfo
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- JP2008287885A JP2008287885A JP2008223749A JP2008223749A JP2008287885A JP 2008287885 A JP2008287885 A JP 2008287885A JP 2008223749 A JP2008223749 A JP 2008223749A JP 2008223749 A JP2008223749 A JP 2008223749A JP 2008287885 A JP2008287885 A JP 2008287885A
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- G—PHYSICS
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
- G11B2020/1218—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc
- G11B2020/1232—Formatting, e.g. arrangement of data block or words on the record carriers on discs wherein the formatting concerns a specific area of the disc sector, i.e. the minimal addressable physical data unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/806—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal
- H04N9/8063—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components with processing of the sound signal using time division multiplex of the PCM audio and PCM video signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/87—Regeneration of colour television signals
- H04N9/88—Signal drop-out compensation
- H04N9/888—Signal drop-out compensation for signals recorded by pulse code modulation
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
【解決手段】188バイトのトランスポートパケットに4バイトのTP_extra_Headerを付加してソースパケットを生成し、192バイトのソースパケットを32個まとめて、3セクタ分のデータ報量(6144バイト)に相当するアラインドユニットを生成し、アラインドユニット単位でデータ記録媒体に記録し、また再生する。
【選択図】図5
Description
ATS(t)=arrival_time_clock(t)%2N ・・・(1)
ただし、式(1)において記号「%」は、正の整数の剰余を計算する演算子である。
Npacket=ファイルサイズ/192
Nx=Npacket%32 ・・・(2)
AUNEP=(I_start_packet_No−offset_source_packet_number)/32
OFTEP=(I_start_packet_No−offset_source_packet_number)%32
SNAU=AUNEP*3 ・・・(3)
ここで、記号「/」は商の小数点以下を切り捨てる除算の演算子であり、記号「%」は剰余の演算子である。
AUNEP=M
OFTEP=4
SNAU =3M
囲と、ステップS41で得たエントリポイントマップを比較して、消去範囲をアラインドユニット単位に変換し、消去範囲のアドレスを、図15のステップS33における演算と同様の方法で演算する。
TMP_ALU_NO=TMP1/6144
TMP_OCN=TMP_ALU_NO*6144/65536
OFT_SCT_NUM=TMP_OCN-XN ・・・(4)
TMP1=(I_start_packet_No−offset_source_packet_number)*192+TMP2
であって、
sector_start_offset%6144=0である場合、
TMP2=sector_start_offset
XN=0
であり、
sector_start_offset%6144=2048である場合、
TMP2=sector_start_offset+65536
XN=1
であり、
sector_start_offset%6144=4096である場合、
TMP2=sector_start_offset+65536*2
XN=2
である。
REF_ALU_NO=TMP_ALU_NO%32 ・・・(5)
OST_FST_ALU=(TMP_OCN%3)*2048 ・・・(6)
OFT_ALU_NUM=REF_ALU_NO-XNUM ・・・(7)
ただし、
TMP_OCN%3=0である場合、
XNUM=0
であり、
TMP_OCN%3=1である場合、
XNUM=11
であり、
TMP_OCN%3=2である場合、
XNUM=22
である。
・・・(8)
Claims (5)
- アラインドユニット単位で記録されているトランスポートストリームをデータ記録媒体から再生するトランスポートストリーム再生装置において、
再生開始位置を指定する指定手段と、
指定された前記再生開始位置に対応する前記データ記録媒体上のアドレスを演算する演算手段と、
前記演算手段が演算した前記データ記録媒体上のアドレスから前記トランスポートパケットの読み出しを開始する読み出し手段と
を含むトランスポートストリーム再生装置。 - 前記データ記録媒体からエントリポイントマップを取得する取得手段と、
指定された前記再生開始位置と前記エントリポイントマップに記述されているPTSを比較して、前記指定された再生開始位置に隣接したエントリポイントを検索する検索手段と
をさらに含み、
前記演算手段は、前記エントリポイントマップに記述されているカウント値を用いて、前記エントリポイントに対応するトランスポートパケットが記録されている前記データ記録媒体上のアドレスを演算する
請求項1に記載のトランスポートストリーム再生装置。 - 指定された消去範囲を前記アラインドユニット単位のデータ領域に変換する変換手段と、
前記変換手段が変換した前記アラインドユニット単位のデータ領域に記録されている前記トランスポートストリームを消去する消去手段と
をさらに含む請求項1に記載のトランスポートストリーム再生装置。 - アラインドユニット単位で記録されているトランスポートストリームをデータ記録媒体から再生するトランスポートストリーム再生装置のトランスポートストリーム再生方法において、
再生開始位置を指定する指定ステップと、
指定された前記再生開始位置に対応する前記データ記録媒体上のアドレスを演算する演算ステップと、
前記演算ステップの処理で演算された前記データ記録媒体上のアドレスから前記トランスポートパケットの読み出しを開始する読み出しステップと
を含むトランスポートストリーム再生方法。 - アラインドユニット単位で記録されているトランスポートストリームをデータ記録媒体から再生するトランスポートストリーム再生装置の制御用のプログラムであって、
再生開始位置を指定する指定ステップと、
指定された前記再生開始位置に対応する前記データ記録媒体上のアドレスを演算する演算ステップと、
前記演算ステップの処理で演算された前記データ記録媒体上のアドレスから前記トランスポートパケットの読み出しを開始する読み出しステップと
を含む処理をトランスポートストリーム再生装置のコンピュータに実行させるプログラムが記録されているプログラム記録媒体。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008223749A JP4710937B2 (ja) | 1999-09-28 | 2008-09-01 | トランスポートストリーム再生装置、トランスポートストリーム再生方法、トランスポートストリーム記録装置、トランスポートストリーム記録方法、およびプログラム記録媒体 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27423199 | 1999-09-28 | ||
JP1999274231 | 1999-09-28 | ||
JP2008223749A JP4710937B2 (ja) | 1999-09-28 | 2008-09-01 | トランスポートストリーム再生装置、トランスポートストリーム再生方法、トランスポートストリーム記録装置、トランスポートストリーム記録方法、およびプログラム記録媒体 |
Related Parent Applications (1)
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---|---|---|---|
JP2000228655A Division JP4269495B2 (ja) | 1999-09-28 | 2000-07-28 | トランスポートストリーム記録装置および方法、プログラム記録媒体、データ記録媒体、並びにデータ生成装置 |
Related Child Applications (1)
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---|---|---|---|
JP2010225155A Division JP4973773B2 (ja) | 1999-09-28 | 2010-10-04 | トランスポートストリーム再生装置 |
Publications (2)
Publication Number | Publication Date |
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JP2008287885A true JP2008287885A (ja) | 2008-11-27 |
JP4710937B2 JP4710937B2 (ja) | 2011-06-29 |
Family
ID=17538848
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008223749A Expired - Lifetime JP4710937B2 (ja) | 1999-09-28 | 2008-09-01 | トランスポートストリーム再生装置、トランスポートストリーム再生方法、トランスポートストリーム記録装置、トランスポートストリーム記録方法、およびプログラム記録媒体 |
JP2010225155A Expired - Fee Related JP4973773B2 (ja) | 1999-09-28 | 2010-10-04 | トランスポートストリーム再生装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010225155A Expired - Fee Related JP4973773B2 (ja) | 1999-09-28 | 2010-10-04 | トランスポートストリーム再生装置 |
Country Status (10)
Country | Link |
---|---|
US (4) | US7106946B1 (ja) |
EP (2) | EP1089571B1 (ja) |
JP (2) | JP4710937B2 (ja) |
KR (2) | KR100722358B1 (ja) |
CN (2) | CN100375187C (ja) |
HK (1) | HK1041142A1 (ja) |
ID (1) | ID27714A (ja) |
MY (1) | MY142692A (ja) |
SG (1) | SG104930A1 (ja) |
TW (1) | TW492249B (ja) |
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EP1089571A3 (en) | 2004-04-07 |
EP2268044A3 (en) | 2011-02-16 |
CN1297307A (zh) | 2001-05-30 |
JP2011028841A (ja) | 2011-02-10 |
CN1598960A (zh) | 2005-03-23 |
JP4710937B2 (ja) | 2011-06-29 |
KR100722358B1 (ko) | 2007-05-29 |
JP4973773B2 (ja) | 2012-07-11 |
KR20010050699A (ko) | 2001-06-15 |
US20050265700A1 (en) | 2005-12-01 |
KR100722357B1 (ko) | 2007-05-29 |
EP2268044B1 (en) | 2013-07-17 |
US20060291815A1 (en) | 2006-12-28 |
EP1089571A2 (en) | 2001-04-04 |
HK1041142A1 (en) | 2002-06-28 |
KR20070007750A (ko) | 2007-01-16 |
CN100375187C (zh) | 2008-03-12 |
EP1089571B1 (en) | 2013-01-02 |
US7106946B1 (en) | 2006-09-12 |
SG104930A1 (en) | 2004-07-30 |
US20100215344A1 (en) | 2010-08-26 |
MY142692A (en) | 2010-12-31 |
CN1247019C (zh) | 2006-03-22 |
TW492249B (en) | 2002-06-21 |
US8849091B2 (en) | 2014-09-30 |
EP2268044A2 (en) | 2010-12-29 |
US8594491B2 (en) | 2013-11-26 |
US8041184B2 (en) | 2011-10-18 |
ID27714A (id) | 2001-04-26 |
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