JP4194557B2 - メディア信号から不要信号を除去する方法 - Google Patents
メディア信号から不要信号を除去する方法 Download PDFInfo
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- JP4194557B2 JP4194557B2 JP2004530717A JP2004530717A JP4194557B2 JP 4194557 B2 JP4194557 B2 JP 4194557B2 JP 2004530717 A JP2004530717 A JP 2004530717A JP 2004530717 A JP2004530717 A JP 2004530717A JP 4194557 B2 JP4194557 B2 JP 4194557B2
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- 238000000034 method Methods 0.000 claims abstract description 77
- 230000008569 process Effects 0.000 claims abstract description 23
- 230000036316 preload Effects 0.000 description 19
- 230000004913 activation Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001066 destructive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 108010076504 Protein Sorting Signals Proteins 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
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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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Databases & Information Systems (AREA)
- Quality & Reliability (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Stereo-Broadcasting Methods (AREA)
- Power Steering Mechanism (AREA)
- Communication Control (AREA)
Description
1.メディア信号を受信装置を介して受信する。
2.受信信号を所定のメモリ装置に保存する。
3.手動又は自動で第一のサーチキーを選ぶ。
4.第一のサーチキーに略等しい第二のキーをメディア信号の中から探索するが、この探索は、将来的に放送されるメディア信号又は記録・保存済みのメディア信号放送にて行う。
5.第一のサーチキー前後に位置する第一のセグメントを、第二のキー前後に位置する第二のセグメントと比較する。
6.第一のセグメントと第二のセグメントの間の第一の共通セグメントを同定し、この共通セグメントをCD上のトラック等のソースマテリアルと考える。
プレロードリスト及びアフタロードリスト
サーチキーの選択及びサーチキー設定項目の起動
サーチトラックの信号表示の改良
Claims (10)
- 不要信号成分を含むメディア信号(1)を受信手段を介して受信して該メディア信号(1)の表示を選び、且つ該メディア信号(1)を処理して不要信号成分を本質的に除去すると共に残りの信号成分を保存するようにする方法であり、該方法は、
メディア信号(1)からサーチキー表示(20)を選び、
サーチトラック(30)にて、上記サーチキー(20)と本質的に同一の部分(11)を含む信号表示(10)を探索する第一のサーチを行い、
上記サーチキー(20)の前後にある第一のセグメント(40)を第一のサーチキー(20)と本質的に同一の上記部分(11)の前後にある第二のセグメント(41)と比較し、
上記第一のセグメント(40)と上記第二のセグメント(41)から第一の共通セグメント(44)を見出す各ステップを含む方法であって、
上記共通のセグメント(44)を目的のメモリ領域にロードし、該セグメントが不要信号成分を含まない信号表示(70)として上記メモリ領域に記憶されるようにして成ることを特徴とする方法。 - 前記第一のサーチ(20)がメモリ領域に記憶されたメディア信号表示(70)の中で行われるようにして成ることを特徴する請求項1に記載の方法。
- サーチキー表示についての本質的に同一のコピーが見出されない場合、該サーチキー表示と本質的に同一のコピーを探索する更なるサーチをサーチトラックにて行い、そのようなコピーが見出されたら、比較処理を行って共通のセグメントを見出し、この処理を最終共通セグメントが得られるか、処理が終了するまで行い、その上で前記共通セグメントを信号表示としてメモリ領域にロードするようにして成ることを特徴する請求項1又は2に記載の方法。
- サーチトラックが多数の本質的に同一の信号表示を含む場合、余分の信号表示の全てをサーチトラックから除去するステップを更に含んで成ることを特徴する請求項1、2又は3に記載の方法。
- メモリ領域に含まれる二つの信号表示(71、73)の間にある前記信号表示(70)の持続時間が所定の閾値より短い場合、この信号表示(70)を除去するステップを更に含んで成ることを特徴する請求項1、2又は3に記載の方法。
- メモリ領域に含まれる二つの信号表示の間にある信号表示(70)部分を、この部分中にサーチキーの設定が起動されたら、保存するようにして成ることを特徴する請求項1、2又は3に記載の方法。
- 前記サーチトラックが信号表示(10)の各N番目サンプルから成ることを特徴する前記請求項1〜6の何れかに記載の方法。
- サーチトラックが記録時に正規化され、共通の振幅及び音圧レベルを有するようにして成ることを特徴する前記請求項1〜7の何れかに記載の方法。
- 信号表示(70)が音楽、話し、ジングルズ又はロゴタイプを表すものであることを特徴する請求項1又は2に記載の方法。
- 前記信号表示が音楽及び/又は映画を表すものであることを特徴する請求項1又は2に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0202447A SE524162C2 (sv) | 2002-08-23 | 2002-08-23 | Förfarande för att behandla signaler |
PCT/SE2003/001305 WO2004019201A1 (en) | 2002-08-23 | 2003-08-22 | Methods for removing unwanted signals from media signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005536824A JP2005536824A (ja) | 2005-12-02 |
JP4194557B2 true JP4194557B2 (ja) | 2008-12-10 |
Family
ID=20288739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004530717A Expired - Fee Related JP4194557B2 (ja) | 2002-08-23 | 2003-08-22 | メディア信号から不要信号を除去する方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US7593850B2 (ja) |
EP (1) | EP1597665B1 (ja) |
JP (1) | JP4194557B2 (ja) |
KR (1) | KR101229616B1 (ja) |
CN (1) | CN100401252C (ja) |
AT (1) | ATE448514T1 (ja) |
AU (1) | AU2003252606A1 (ja) |
DE (1) | DE60330058D1 (ja) |
HK (1) | HK1079303A1 (ja) |
SE (1) | SE524162C2 (ja) |
WO (1) | WO2004019201A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8904184B2 (en) * | 2008-12-10 | 2014-12-02 | At&T Intellectual Property I, Lp | Certification of authenticity of media signals |
US9215538B2 (en) * | 2009-08-04 | 2015-12-15 | Nokia Technologies Oy | Method and apparatus for audio signal classification |
WO2013119171A2 (en) * | 2012-02-09 | 2013-08-15 | Ipxtend Ab | Search for media material |
CA2912836A1 (en) * | 2013-06-05 | 2014-12-11 | Snakt, Inc. | Methods and systems for creating, combining, and sharing time-constrained videos |
CN104778218A (zh) * | 2015-03-20 | 2015-07-15 | 广东欧珀移动通信有限公司 | 一种不完整歌曲处理的方法及装置 |
CN107240403B (zh) * | 2016-03-28 | 2021-08-27 | 阿里巴巴集团控股有限公司 | 声波传输方法及装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US4602297A (en) * | 1985-01-22 | 1986-07-22 | Morris Reese | System for editing commercial messages from recorded television broadcasts |
US5436653A (en) * | 1992-04-30 | 1995-07-25 | The Arbitron Company | Method and system for recognition of broadcast segments |
US5987210A (en) * | 1993-01-08 | 1999-11-16 | Srt, Inc. | Method and apparatus for eliminating television commercial messages |
US5696866A (en) * | 1993-01-08 | 1997-12-09 | Srt, Inc. | Method and apparatus for eliminating television commercial messages |
JP3353381B2 (ja) * | 1993-04-23 | 2002-12-03 | ソニー株式会社 | 記録再生装置 |
US5668917A (en) * | 1994-07-05 | 1997-09-16 | Lewine; Donald A. | Apparatus and method for detection of unwanted broadcast information |
GB9504376D0 (en) * | 1995-03-04 | 1995-04-26 | Televitesse Systems Inc | Automatic broadcast monitoring system |
US7076102B2 (en) * | 2001-09-27 | 2006-07-11 | Koninklijke Philips Electronics N.V. | Video monitoring system employing hierarchical hidden markov model (HMM) event learning and classification |
US6088455A (en) * | 1997-01-07 | 2000-07-11 | Logan; James D. | Methods and apparatus for selectively reproducing segments of broadcast programming |
US5739451A (en) * | 1996-12-27 | 1998-04-14 | Franklin Electronic Publishers, Incorporated | Hand held electronic music encyclopedia with text and note structure search |
FR2765715B1 (fr) * | 1997-07-04 | 1999-09-17 | Sextant Avionique | Procede de recherche d'un modele de bruit dans des signaux sonores bruites |
JP4029487B2 (ja) * | 1998-08-17 | 2008-01-09 | ソニー株式会社 | 記録装置および記録方法、再生装置および再生方法、ならびに、記録媒体 |
US6185527B1 (en) * | 1999-01-19 | 2001-02-06 | International Business Machines Corporation | System and method for automatic audio content analysis for word spotting, indexing, classification and retrieval |
US6163508A (en) * | 1999-05-13 | 2000-12-19 | Ericsson Inc. | Recording method having temporary buffering |
US7254454B2 (en) | 2001-01-24 | 2007-08-07 | Intel Corporation | Future capture of block matching clip |
US7062442B2 (en) * | 2001-02-23 | 2006-06-13 | Popcatcher Ab | Method and arrangement for search and recording of media signals |
-
2002
- 2002-08-23 SE SE0202447A patent/SE524162C2/sv not_active IP Right Cessation
-
2003
- 2003-08-22 KR KR1020057003050A patent/KR101229616B1/ko not_active IP Right Cessation
- 2003-08-22 AT AT03792930T patent/ATE448514T1/de not_active IP Right Cessation
- 2003-08-22 DE DE60330058T patent/DE60330058D1/de not_active Expired - Lifetime
- 2003-08-22 CN CNB038226294A patent/CN100401252C/zh not_active Expired - Fee Related
- 2003-08-22 AU AU2003252606A patent/AU2003252606A1/en not_active Abandoned
- 2003-08-22 WO PCT/SE2003/001305 patent/WO2004019201A1/en active Application Filing
- 2003-08-22 JP JP2004530717A patent/JP4194557B2/ja not_active Expired - Fee Related
- 2003-08-22 EP EP03792930A patent/EP1597665B1/en not_active Expired - Lifetime
- 2003-08-22 US US10/525,370 patent/US7593850B2/en not_active Expired - Fee Related
-
2005
- 2005-12-07 HK HK05111172.2A patent/HK1079303A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2005536824A (ja) | 2005-12-02 |
HK1079303A1 (en) | 2006-03-31 |
SE0202447D0 (sv) | 2002-08-23 |
AU2003252606A1 (en) | 2004-03-11 |
SE0202447L (sv) | 2004-02-24 |
KR20050084809A (ko) | 2005-08-29 |
EP1597665B1 (en) | 2009-11-11 |
CN1685307A (zh) | 2005-10-19 |
DE60330058D1 (de) | 2009-12-24 |
CN100401252C (zh) | 2008-07-09 |
US20060104437A1 (en) | 2006-05-18 |
ATE448514T1 (de) | 2009-11-15 |
WO2004019201A1 (en) | 2004-03-04 |
SE524162C2 (sv) | 2004-07-06 |
KR101229616B1 (ko) | 2013-02-04 |
EP1597665A1 (en) | 2005-11-23 |
US7593850B2 (en) | 2009-09-22 |
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