CA2400947A1 - Enfouissement de donnees dans les signaux de telephonie numerique - Google Patents
Enfouissement de donnees dans les signaux de telephonie numerique Download PDFInfo
- Publication number
- CA2400947A1 CA2400947A1 CA002400947A CA2400947A CA2400947A1 CA 2400947 A1 CA2400947 A1 CA 2400947A1 CA 002400947 A CA002400947 A CA 002400947A CA 2400947 A CA2400947 A CA 2400947A CA 2400947 A1 CA2400947 A1 CA 2400947A1
- Authority
- CA
- Canada
- Prior art keywords
- data
- signal
- digital
- coefficients
- user
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
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- 230000000153 supplemental effect Effects 0.000 claims abstract description 79
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- 238000013139 quantization Methods 0.000 claims description 10
- 230000009466 transformation Effects 0.000 claims description 10
- 230000002452 interceptive effect Effects 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 230000014616 translation Effects 0.000 claims description 3
- 230000008447 perception Effects 0.000 claims 3
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 claims 1
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- 238000007906 compression Methods 0.000 description 8
- 238000002372 labelling Methods 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 5
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- 230000001419 dependent effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- VBRBNWWNRIMAII-WYMLVPIESA-N 3-[(e)-5-(4-ethylphenoxy)-3-methylpent-3-enyl]-2,2-dimethyloxirane Chemical compound C1=CC(CC)=CC=C1OC\C=C(/C)CCC1C(C)(C)O1 VBRBNWWNRIMAII-WYMLVPIESA-N 0.000 description 1
- 241000934359 Marmara Species 0.000 description 1
- 230000000454 anti-cipatory effect Effects 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
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- 238000000844 transformation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephonic Communication Services (AREA)
- Editing Of Facsimile Originals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51887500A | 2000-03-06 | 2000-03-06 | |
| US09/518,875 | 2000-03-06 | ||
| PCT/IB2001/000172 WO2001067671A2 (fr) | 2000-03-06 | 2001-02-12 | Enfouissement de donnees dans les signaux de telephonie numerique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2400947A1 true CA2400947A1 (fr) | 2001-09-13 |
Family
ID=24065858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002400947A Abandoned CA2400947A1 (fr) | 2000-03-06 | 2001-02-12 | Enfouissement de donnees dans les signaux de telephonie numerique |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1264437A2 (fr) |
| JP (1) | JP2003526274A (fr) |
| AU (1) | AU2875501A (fr) |
| CA (1) | CA2400947A1 (fr) |
| TW (1) | TW546939B (fr) |
| WO (1) | WO2001067671A2 (fr) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6795698B1 (en) | 2000-04-12 | 2004-09-21 | Northrop Grumman Corporation | Method and apparatus for embedding global positioning system (GPS) data in mobile telephone call data |
| TW521935U (en) * | 2001-11-09 | 2003-02-21 | Sin Etke Technology Co Ltd | Communication device for use in a car |
| US7310596B2 (en) | 2002-02-04 | 2007-12-18 | Fujitsu Limited | Method and system for embedding and extracting data from encoded voice code |
| US20030158730A1 (en) * | 2002-02-04 | 2003-08-21 | Yasuji Ota | Method and apparatus for embedding data in and extracting data from voice code |
| JP4330346B2 (ja) * | 2002-02-04 | 2009-09-16 | 富士通株式会社 | 音声符号に対するデータ埋め込み／抽出方法および装置並びにシステム |
| GB0203834D0 (en) * | 2002-02-19 | 2002-04-03 | Univ Surrey | Data transmission |
| US7949016B2 (en) | 2002-10-25 | 2011-05-24 | Fujitsu Limited | Interactive communication system, communication equipment and communication control method |
| EP1542422B1 (fr) * | 2002-10-25 | 2014-10-29 | Fujitsu Limited | Systeme de communication bidirectionnelle, outil de communication et procede de commande de communication |
| EP1455509A3 (fr) * | 2003-03-03 | 2005-01-05 | FREQUENTIS GmbH | Méthode et système pour l'enregistrement de la parole |
| JP4726140B2 (ja) * | 2003-06-25 | 2011-07-20 | トムソン ライセンシング | 圧縮されたビデオ・ビットストリームにおける電子透かしの検出のための復号化方法および装置 |
| JP4527369B2 (ja) | 2003-07-31 | 2010-08-18 | 富士通株式会社 | データ埋め込み装置及びデータ抽出装置 |
| KR100565682B1 (ko) | 2004-07-12 | 2006-03-29 | 엘지전자 주식회사 | 이동통신 단말기를 이용한 통화중 디지털 데이터 전송방법및 전송장치 |
| JP5378201B2 (ja) * | 2007-03-15 | 2013-12-25 | 富士通株式会社 | センシング装置、センサ情報取得装置、センシング方法及びリモートセンシング方法 |
| DE102009022606A1 (de) | 2009-05-26 | 2010-12-02 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur steganographischen Modifikation eines Bitstroms |
| US8930182B2 (en) | 2011-03-17 | 2015-01-06 | International Business Machines Corporation | Voice transformation with encoded information |
| CN107529059B (zh) | 2011-04-22 | 2020-07-21 | 杜比国际公司 | 有损压缩编码数据方法和设备及相应重构数据方法和设备 |
| GB2524424B (en) * | 2011-10-24 | 2016-04-27 | Graham Craven Peter | Lossless buried data |
| US11699147B2 (en) * | 2020-09-23 | 2023-07-11 | SOURCE Ltd. | System and method of performing secured transactions in a communication network |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5768426A (en) * | 1993-11-18 | 1998-06-16 | Digimarc Corporation | Graphics processing system employing embedded code signals |
| US5687191A (en) * | 1995-12-06 | 1997-11-11 | Solana Technology Development Corporation | Post-compression hidden data transport |
| US6748362B1 (en) * | 1999-09-03 | 2004-06-08 | Thomas W. Meyer | Process, system, and apparatus for embedding data in compressed audio, image video and other media files and the like |
-
2001
- 2001-02-12 CA CA002400947A patent/CA2400947A1/fr not_active Abandoned
- 2001-02-12 EP EP01956203A patent/EP1264437A2/fr not_active Withdrawn
- 2001-02-12 WO PCT/IB2001/000172 patent/WO2001067671A2/fr not_active Ceased
- 2001-02-12 AU AU28755/01A patent/AU2875501A/en not_active Abandoned
- 2001-02-12 JP JP2001565577A patent/JP2003526274A/ja active Pending
- 2001-07-05 TW TW90116513A patent/TW546939B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1264437A2 (fr) | 2002-12-11 |
| TW546939B (en) | 2003-08-11 |
| WO2001067671A2 (fr) | 2001-09-13 |
| WO2001067671A3 (fr) | 2002-01-17 |
| JP2003526274A (ja) | 2003-09-02 |
| AU2875501A (en) | 2001-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |