JP4521057B2 - 再生装置、再生方法、プログラム及び記憶媒体 - Google Patents
再生装置、再生方法、プログラム及び記憶媒体 Download PDFInfo
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- JP4521057B2 JP4521057B2 JP2008521102A JP2008521102A JP4521057B2 JP 4521057 B2 JP4521057 B2 JP 4521057B2 JP 2008521102 A JP2008521102 A JP 2008521102A JP 2008521102 A JP2008521102 A JP 2008521102A JP 4521057 B2 JP4521057 B2 JP 4521057B2
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- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
- H04N5/937—Regeneration of the television signal or of selected parts thereof by assembling picture element blocks in an intermediate store
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- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
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- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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- G11B27/005—Reproducing at a different information rate from the information rate of recording
- G11B27/007—Reproducing at a different information rate from the information rate of recording reproducing continuously a part of the information, i.e. repeating
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- G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
- G10H2210/155—Musical effects
- G10H2210/195—Modulation effects, i.e. smooth non-discontinuous variations over a time interval, e.g. within a note, melody or musical transition, of any sound parameter, e.g. amplitude, pitch, spectral response or playback speed
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- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
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- G—PHYSICS
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- G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
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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
- G11B20/10527—Audio or video recording; Data buffering arrangements
- G11B2020/1062—Data buffering arrangements, e.g. recording or playback buffers
- G11B2020/10675—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control
- G11B2020/1074—Data buffering arrangements, e.g. recording or playback buffers aspects of buffer control involving a specific threshold value
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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
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Description
発明の概要
ビデオ信号とオーディオ信号とを非同期に再生することは、ビデオ信号とオーディオ信号の再生位置を異ならせることを意味する。例えば、オーディオ信号を通常再生しつつビデオ信号についてのみスクラッチ再生を行った場合、タイムコードに即したオーディオ信号の再生と比較して、ビデオ信号の再生は遅れ又は早くなる。すなわち、バッファメモリに記憶されているデータの現在再生時点は、オーディオ信号についてはタイムコードに従った時点であるのに対し、ビデオ信号についてはこれと異なった時点にある。
Claims (10)
- 互いに関連づけられたオーディオ信号及びビデオ信号のストリームを再生する再生部と、
前記再生部が再生したオーディオ信号を記憶し、記憶された当該オーディオ信号が読み出されるオーディオバッファメモリと、
前記再生部が再生したビデオ信号を記憶し、記憶された当該ビデオ信号が読み出されるビデオバッファメモリと、
前記オーディオバッファメモリ又は前記ビデオバッファメモリからのオーディオ信号又はビデオ信号の読出しに関する操作者の入力操作を検出する操作検出部と、
前記オーディオバッファメモリ又は前記ビデオバッファメモリから、オーディオ信号及びビデオ信号のうち一方の信号を一定の速度及び順序で読出すとともに、他方の信号を前記操作検出部が検出した入力操作に応じた速度及び順序で読出すよう制御する制御部と、を備え、
前記制御部は、オーディオ信号及びビデオ信号の各現在再生時点の差が所定値以上となるか否かを監視する、ことを特徴とする再生装置。 - 前記制御部は、前記現在再生時点の差が所定値以上となったとき、その旨の警告を所定時間操作者に通知する、ことを特徴とする請求項1に記載の再生装置。
- 前記制御部は、前記所定時間の警告の後、オーディオ信号及びビデオ信号の現在再生時点を一致させる、ことを特徴とする請求項2に記載の再生装置。
- 互いに関連づけられたオーディオ信号及びビデオ信号のストリームを再生する再生ステップと、
前記再生ステップで再生したオーディオ信号をオーディオバッファメモリに記憶するオーディオバッファステップと、
前記再生ステップで再生したビデオ信号をビデオバッファメモリに記憶するビデオバッファステップと、
前記オーディオバッファメモリに記憶されたオーディオ信号を読出すオーディオ読み出しステップと、
前記ビデオバッファメモリに記憶されたビデオ信号を読出すビデオ読み出しステップと、
前記オーディオバッファメモリ又は前記ビデオバッファメモリからのオーディオ信号又はビデオ信号の読出しに関する操作者の入力操作を検出する操作検出ステップと、
前記オーディオバッファメモリ又は前記ビデオバッファメモリから、オーディオ信号及びビデオ信号のうち一方の信号を一定の速度及び順序で読出すとともに、他方の信号を前記操作検出ステップで検出した入力操作に応じた速度及び順序で読出すよう制御する制御ステップと、を備え、
前記制御ステップでは、オーディオ信号及びビデオ信号の各現在再生時点の差が所定値以上となるか否かを監視する、ことを特徴とする再生方法。 - 前記現在再生時点の差が所定値以上となったとき、その旨の警告を所定時間操作者に通知するステップをさらに備える、ことを特徴とする請求項4に記載の再生方法。
- 前記所定時間の警告の後、オーディオ信号及びビデオ信号の現在再生時点を一致させるステップをさらに備える、ことを特徴とする請求項5に記載の再生方法。
- 互いに関連づけられたオーディオ信号及びビデオ信号のストリームを再生する再生手順と、
前記再生手順で再生したオーディオ信号をオーディオバッファメモリに記憶するオーディオバッファ手順と、
前記再生手順で再生したビデオ信号をビデオバッファメモリに記憶するビデオバッファ手順と、
前記オーディオバッファメモリに記憶されたオーディオ信号を読出すオーディオ読み出し手順と、
前記ビデオバッファメモリに記憶されたビデオ信号を読出すビデオ読み出し手順と、
前記オーディオバッファメモリ又は前記ビデオバッファメモリからのオーディオ信号又はビデオ信号の読出しに関する操作者の入力操作を検出する操作検出手順と、
前記オーディオバッファメモリ又は前記ビデオバッファメモリから、オーディオ信号及びビデオ信号のうち一方の信号を一定の速度及び順序で読出すとともに、他方の信号を前記操作検出手順で検出した入力操作に応じた速度及び順序で読出すよう制御する制御手順と、をコンピュータに実行させるプログラムであって、
前記制御手順は、オーディオ信号及びビデオ信号の各現在再生時点の差が所定値以上となるか否かを監視する手順を含む、ことを特徴とするプログラム。 - 前記現在再生時点の差が所定値以上となったとき、その旨の警告を所定時間操作者に通知する手順をさらに備える、ことを特徴とする請求項7に記載のプログラム。
- 前記所定時間の警告の後、オーディオ信号及びビデオ信号の現在再生時点を一致させる手順をさらに備える、ことを特徴とする請求項8に記載のプログラム。
- 請求項7乃至9のいずれか1項に記載のプログラムを記憶した、コンピュータ読み取り可能な記憶媒体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006167578 | 2006-06-16 | ||
JP2006167578 | 2006-06-16 | ||
PCT/JP2007/051899 WO2007144994A1 (ja) | 2006-06-16 | 2007-02-05 | 再生装置、再生方法、プログラム及び記憶媒体 |
Publications (2)
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JPWO2007144994A1 JPWO2007144994A1 (ja) | 2009-10-29 |
JP4521057B2 true JP4521057B2 (ja) | 2010-08-11 |
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JP2008521102A Active JP4521057B2 (ja) | 2006-06-16 | 2007-02-05 | 再生装置、再生方法、プログラム及び記憶媒体 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090285563A1 (ja) |
EP (1) | EP2034481B1 (ja) |
JP (1) | JP4521057B2 (ja) |
CN (1) | CN101473378A (ja) |
TW (1) | TW200802314A (ja) |
WO (1) | WO2007144994A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100147137A1 (en) * | 2008-12-12 | 2010-06-17 | Ya Horng Electronic Co., Ltd | Digital sound effect processing device |
US8153881B2 (en) * | 2009-02-20 | 2012-04-10 | Activision Publishing, Inc. | Disc jockey video game and controller |
JP4927232B2 (ja) | 2010-07-14 | 2012-05-09 | パイオニア株式会社 | 再生システム、操作部、再生方法およびそのプログラム |
JP5557785B2 (ja) * | 2011-03-31 | 2014-07-23 | 株式会社ディーアンドエムホールディングス | ネットワークavレシーバ装置 |
JP5667005B2 (ja) * | 2011-07-20 | 2015-02-12 | パイオニア株式会社 | 再生装置、再生方法およびそのプログラム |
ITMI20111375A1 (it) * | 2011-07-25 | 2013-01-26 | Diachronic Media Ltd | Apparecchiatura per l'elaborazione di files audio/video |
CN102547435B (zh) * | 2011-12-16 | 2014-06-25 | Tcl集团股份有限公司 | 一种多媒体文件播放处理系统及方法 |
JP5990962B2 (ja) * | 2012-03-23 | 2016-09-14 | ヤマハ株式会社 | 歌唱合成装置 |
US10136190B2 (en) | 2015-05-20 | 2018-11-20 | Echostar Technologies Llc | Apparatus, systems and methods for song play using a media device having a buffer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001175253A (ja) * | 1999-12-16 | 2001-06-29 | Nippon Columbia Co Ltd | 映像編集装置の操作装置及び映像編集装置 |
JP2005108294A (ja) * | 2003-09-29 | 2005-04-21 | Pioneer Electronic Corp | 信号処理装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1065997A (ja) * | 1997-06-23 | 1998-03-06 | Olympus Optical Co Ltd | 映像表示装置 |
US6560400B1 (en) * | 1997-07-10 | 2003-05-06 | Hitachi Denshi Kabushiki Kaisha | Video information editing method and system, and recording medium having the editing method stored |
GB2356733B (en) * | 1999-11-26 | 2003-12-10 | Sony Uk Ltd | Editing of recorded material |
JP2001202698A (ja) * | 2000-01-19 | 2001-07-27 | Pioneer Electronic Corp | オーディオ及びビデオ再生装置 |
JP2001298719A (ja) * | 2000-04-17 | 2001-10-26 | Toshiba Corp | 情報再生方法および情報提供ビジネス方法 |
JP4313639B2 (ja) * | 2003-09-29 | 2009-08-12 | パイオニア株式会社 | 信号処理装置 |
JP2005278152A (ja) * | 2004-02-25 | 2005-10-06 | Matsushita Electric Ind Co Ltd | 映像音声再生装置及び映像音声再生方法 |
-
2007
- 2007-01-19 TW TW096102187A patent/TW200802314A/zh unknown
- 2007-02-05 EP EP07708018.2A patent/EP2034481B1/en not_active Ceased
- 2007-02-05 US US12/304,328 patent/US20090285563A1/en not_active Abandoned
- 2007-02-05 JP JP2008521102A patent/JP4521057B2/ja active Active
- 2007-02-05 CN CNA2007800222946A patent/CN101473378A/zh active Pending
- 2007-02-05 WO PCT/JP2007/051899 patent/WO2007144994A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001175253A (ja) * | 1999-12-16 | 2001-06-29 | Nippon Columbia Co Ltd | 映像編集装置の操作装置及び映像編集装置 |
JP2005108294A (ja) * | 2003-09-29 | 2005-04-21 | Pioneer Electronic Corp | 信号処理装置 |
Also Published As
Publication number | Publication date |
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WO2007144994A1 (ja) | 2007-12-21 |
EP2034481A1 (en) | 2009-03-11 |
EP2034481B1 (en) | 2014-04-09 |
CN101473378A (zh) | 2009-07-01 |
TW200802314A (en) | 2008-01-01 |
JPWO2007144994A1 (ja) | 2009-10-29 |
EP2034481A4 (en) | 2010-12-15 |
US20090285563A1 (en) | 2009-11-19 |
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