JPH10507054A - 聴覚特性を用いたデータ放送システム - Google Patents
聴覚特性を用いたデータ放送システムInfo
- Publication number
- JPH10507054A JPH10507054A JP8536270A JP53627096A JPH10507054A JP H10507054 A JPH10507054 A JP H10507054A JP 8536270 A JP8536270 A JP 8536270A JP 53627096 A JP53627096 A JP 53627096A JP H10507054 A JPH10507054 A JP H10507054A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- data
- band
- frequency band
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
- H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
- H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Television Systems (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuits Of Receivers In General (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.データ(D)放送システムであって、情報が放送音声周波信号(S)の通過 帯域で送信されるデータ放送システムにおいて、 少なくとも1つの周波数帯域(F’13、...、F’24)において音声周波信 号(S)の振幅(A’13、...、A’24)を決定し、この振幅をこの周波数帯 域に関連付けられた聴覚マスキング・レベル(Nm(13)、...、Nm(2 4))と比較する手段と、 信号の振幅が前記帯域の聴覚マスキング・レベルを下回る場合に前記周波数帯 域の音声周波信号から周波数コンポーネントを除去する手段と、 前記周波数帯域の聴覚マスキング・レベルと同等またはそれより低いレベルで この周波数帯域に前記情報を挿入する手段とを含むことを特徴とするシステム。 2.周波数帯域(F’13、...、F’24)が周波数帯域(B13、...、B24 )内にあることを特徴とする請求の範囲第1項に記載のシステム。 3.周波数帯域が基準帯域の中央周波数と同じ中央周波数を有していることを特 徴とする請求の範囲第2項に記載のシステム。 4.少なくとも2つの独立した周波数帯域(F’j1、F’j2)にデータを挿入す る手段を含んでいることを特徴とする請求の範囲第1項に記載のシステム。 5.独立した周波数帯域が独立した幅の基準帯域(Bj1、B j2)内に含まれて いることを特徴とする請求の範囲第4項に記載のシステム。 6.独立した周波数帯域がこれらが含まれている基準帯域の中央周波数と同じ中 央周波数を有していることを特徴とする請求の範囲第5項に記載のシステム。 7.独立した周波数帯域が同じ幅を有していることを特徴とする請求の範囲第5 項または第6項に記載のシステム。 8.独立した周波数帯域の幅がこれらが含まれている最も幅の狭い基準帯域の幅 と等しいことを特徴とする請求の範囲第7項に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR95/06727 | 1995-06-02 | ||
FR9506727A FR2734977B1 (fr) | 1995-06-02 | 1995-06-02 | Systeme de diffusion de donnees. |
PCT/FR1996/000833 WO1996038927A1 (fr) | 1995-06-02 | 1996-06-03 | Systeme de diffusion de donnees utilisant les proprietes de l'oreille humaine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10507054A true JPH10507054A (ja) | 1998-07-07 |
JP3033193B2 JP3033193B2 (ja) | 2000-04-17 |
Family
ID=9479715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8536270A Expired - Lifetime JP3033193B2 (ja) | 1995-06-02 | 1996-06-03 | 聴覚特性を用いたデータ放送システム |
Country Status (12)
Country | Link |
---|---|
US (1) | US6151578A (ja) |
EP (1) | EP0829145B1 (ja) |
JP (1) | JP3033193B2 (ja) |
AU (1) | AU702731B2 (ja) |
BR (1) | BR9608865A (ja) |
CA (1) | CA2222198C (ja) |
DE (1) | DE69601465T2 (ja) |
ES (1) | ES2129975T3 (ja) |
FR (1) | FR2734977B1 (ja) |
PL (1) | PL179960B1 (ja) |
TR (1) | TR199701496T1 (ja) |
WO (1) | WO1996038927A1 (ja) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6614914B1 (en) | 1995-05-08 | 2003-09-02 | Digimarc Corporation | Watermark embedder and reader |
US6944298B1 (en) | 1993-11-18 | 2005-09-13 | Digimare Corporation | Steganographic encoding and decoding of auxiliary codes in media signals |
US6611607B1 (en) | 1993-11-18 | 2003-08-26 | Digimarc Corporation | Integrating digital watermarks in multimedia content |
US6560349B1 (en) | 1994-10-21 | 2003-05-06 | Digimarc Corporation | Audio monitoring using steganographic information |
US5945932A (en) * | 1997-10-30 | 1999-08-31 | Audiotrack Corporation | Technique for embedding a code in an audio signal and for detecting the embedded code |
US7006555B1 (en) | 1998-07-16 | 2006-02-28 | Nielsen Media Research, Inc. | Spectral audio encoding |
US6272176B1 (en) | 1998-07-16 | 2001-08-07 | Nielsen Media Research, Inc. | Broadcast encoding system and method |
GB2342548B (en) * | 1998-10-02 | 2003-05-07 | Central Research Lab Ltd | Apparatus for,and method of,encoding a signal |
CA2310769C (en) * | 1999-10-27 | 2013-05-28 | Nielsen Media Research, Inc. | Audio signature extraction and correlation |
GB2358999A (en) * | 2000-02-02 | 2001-08-08 | Central Research Lab Ltd | A system and method for labelling a signal |
US6968564B1 (en) * | 2000-04-06 | 2005-11-22 | Nielsen Media Research, Inc. | Multi-band spectral audio encoding |
US6879652B1 (en) | 2000-07-14 | 2005-04-12 | Nielsen Media Research, Inc. | Method for encoding an input signal |
US7908021B1 (en) * | 2000-11-02 | 2011-03-15 | Sigmatel, Inc. | Method and apparatus for processing content data |
US6999715B2 (en) * | 2000-12-11 | 2006-02-14 | Gary Alan Hayter | Broadcast audience surveillance using intercepted audio |
US7339605B2 (en) | 2004-04-16 | 2008-03-04 | Polycom, Inc. | Conference link between a speakerphone and a video conference unit |
US8948059B2 (en) | 2000-12-26 | 2015-02-03 | Polycom, Inc. | Conference endpoint controlling audio volume of a remote device |
US7864938B2 (en) * | 2000-12-26 | 2011-01-04 | Polycom, Inc. | Speakerphone transmitting URL information to a remote device |
US8964604B2 (en) | 2000-12-26 | 2015-02-24 | Polycom, Inc. | Conference endpoint instructing conference bridge to dial phone number |
US8977683B2 (en) | 2000-12-26 | 2015-03-10 | Polycom, Inc. | Speakerphone transmitting password information to a remote device |
US9001702B2 (en) | 2000-12-26 | 2015-04-07 | Polycom, Inc. | Speakerphone using a secure audio connection to initiate a second secure connection |
ES2213089T3 (es) * | 2001-04-06 | 2004-08-16 | Swatch Ag | Procedimiento y sistema para acceder a informaciones y/o datos disponibles en una red informatica extendida. |
US8934382B2 (en) | 2001-05-10 | 2015-01-13 | Polycom, Inc. | Conference endpoint controlling functions of a remote device |
US8934381B2 (en) * | 2001-12-31 | 2015-01-13 | Polycom, Inc. | Conference endpoint instructing a remote device to establish a new connection |
US8223942B2 (en) * | 2001-12-31 | 2012-07-17 | Polycom, Inc. | Conference endpoint requesting and receiving billing information from a conference bridge |
US8885523B2 (en) | 2001-12-31 | 2014-11-11 | Polycom, Inc. | Speakerphone transmitting control information embedded in audio information through a conference bridge |
US8144854B2 (en) | 2001-12-31 | 2012-03-27 | Polycom Inc. | Conference bridge which detects control information embedded in audio information to prioritize operations |
US7787605B2 (en) | 2001-12-31 | 2010-08-31 | Polycom, Inc. | Conference bridge which decodes and responds to control information embedded in audio information |
US8947487B2 (en) | 2001-12-31 | 2015-02-03 | Polycom, Inc. | Method and apparatus for combining speakerphone and video conference unit operations |
US7742588B2 (en) * | 2001-12-31 | 2010-06-22 | Polycom, Inc. | Speakerphone establishing and using a second connection of graphics information |
US8102984B2 (en) * | 2001-12-31 | 2012-01-24 | Polycom Inc. | Speakerphone and conference bridge which receive and provide participant monitoring information |
US8705719B2 (en) | 2001-12-31 | 2014-04-22 | Polycom, Inc. | Speakerphone and conference bridge which receive and provide participant monitoring information |
US7978838B2 (en) | 2001-12-31 | 2011-07-12 | Polycom, Inc. | Conference endpoint instructing conference bridge to mute participants |
US20030131350A1 (en) * | 2002-01-08 | 2003-07-10 | Peiffer John C. | Method and apparatus for identifying a digital audio signal |
US6993285B2 (en) * | 2002-04-11 | 2006-01-31 | International Business Machines Corporation | Audio buffer processing |
US6801965B2 (en) | 2002-04-11 | 2004-10-05 | International Business Machines Corporation | Audio buffer station allocation |
US20030195978A1 (en) * | 2002-04-11 | 2003-10-16 | International Business Machines Corporation | Audio buffer selective data processing |
KR101014309B1 (ko) | 2002-10-23 | 2011-02-16 | 닐슨 미디어 리서치 인코퍼레이티드 | 압축된 오디오/비디오 데이터와 함께 사용하기 위한 디지털데이터 삽입장치 및 방법 |
US8199791B2 (en) * | 2005-06-08 | 2012-06-12 | Polycom, Inc. | Mixed voice and spread spectrum data signaling with enhanced concealment of data |
US8126029B2 (en) | 2005-06-08 | 2012-02-28 | Polycom, Inc. | Voice interference correction for mixed voice and spread spectrum data signaling |
US7796565B2 (en) * | 2005-06-08 | 2010-09-14 | Polycom, Inc. | Mixed voice and spread spectrum data signaling with multiplexing multiple users with CDMA |
GB2460773B (en) | 2007-02-20 | 2010-10-27 | Nielsen Co | Methods and apparatus for characterizing media |
EP2156583B1 (en) * | 2007-05-02 | 2018-06-06 | The Nielsen Company (US), LLC | Methods and apparatus for generating signatures |
AU2008321318B2 (en) | 2007-11-12 | 2012-11-01 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
US8457951B2 (en) | 2008-01-29 | 2013-06-04 | The Nielsen Company (Us), Llc | Methods and apparatus for performing variable black length watermarking of media |
WO2009110932A1 (en) | 2008-03-05 | 2009-09-11 | Nielsen Media Research, Inc. | Methods and apparatus for generating signatures |
FR2997597B1 (fr) | 2012-10-30 | 2015-12-18 | Tdf | Procede et module de basculement d'un premier programme vers un deuxieme programme, procede de diffusion, tete de reseau, programme d'ordinateur et medium de stockage correspondants. |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8611014D0 (en) * | 1986-05-06 | 1986-06-11 | Emi Plc Thorn | Signal identification |
DE3806411C2 (de) * | 1988-02-29 | 1996-05-30 | Thomson Brandt Gmbh | Verfahren zur Übertragung eines Tonsignals und eines Zusatzsignals |
NL8901032A (nl) * | 1988-11-10 | 1990-06-01 | Philips Nv | Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting. |
FR2681997A1 (fr) * | 1991-09-30 | 1993-04-02 | Arbitron Cy | Procede et dispositif d'identification automatique d'un programme comportant un signal sonore. |
US5319735A (en) * | 1991-12-17 | 1994-06-07 | Bolt Beranek And Newman Inc. | Embedded signalling |
US5450490A (en) * | 1994-03-31 | 1995-09-12 | The Arbitron Company | Apparatus and methods for including codes in audio signals and decoding |
US5945932A (en) * | 1997-10-30 | 1999-08-31 | Audiotrack Corporation | Technique for embedding a code in an audio signal and for detecting the embedded code |
-
1995
- 1995-06-02 FR FR9506727A patent/FR2734977B1/fr not_active Expired - Lifetime
-
1996
- 1996-06-03 TR TR97/01496T patent/TR199701496T1/xx unknown
- 1996-06-03 BR BR9608865A patent/BR9608865A/pt not_active IP Right Cessation
- 1996-06-03 WO PCT/FR1996/000833 patent/WO1996038927A1/fr active IP Right Grant
- 1996-06-03 CA CA002222198A patent/CA2222198C/fr not_active Expired - Lifetime
- 1996-06-03 ES ES96920890T patent/ES2129975T3/es not_active Expired - Lifetime
- 1996-06-03 US US08/952,998 patent/US6151578A/en not_active Expired - Lifetime
- 1996-06-03 EP EP96920890A patent/EP0829145B1/fr not_active Expired - Lifetime
- 1996-06-03 DE DE69601465T patent/DE69601465T2/de not_active Expired - Lifetime
- 1996-06-03 PL PL96323534A patent/PL179960B1/pl unknown
- 1996-06-03 AU AU62287/96A patent/AU702731B2/en not_active Expired
- 1996-06-03 JP JP8536270A patent/JP3033193B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2222198C (fr) | 2007-09-25 |
BR9608865A (pt) | 1999-06-15 |
AU702731B2 (en) | 1999-03-04 |
AU6228796A (en) | 1996-12-18 |
ES2129975T3 (es) | 1999-06-16 |
US6151578A (en) | 2000-11-21 |
DE69601465D1 (de) | 1999-03-11 |
MX9709127A (es) | 1998-08-30 |
JP3033193B2 (ja) | 2000-04-17 |
EP0829145A1 (fr) | 1998-03-18 |
CA2222198A1 (fr) | 1996-12-05 |
EP0829145B1 (fr) | 1999-01-27 |
FR2734977B1 (fr) | 1997-07-25 |
FR2734977A1 (fr) | 1996-12-06 |
PL179960B1 (pl) | 2000-11-30 |
WO1996038927A1 (fr) | 1996-12-05 |
TR199701496T1 (xx) | 1998-03-21 |
PL323534A1 (en) | 1998-03-30 |
DE69601465T2 (de) | 1999-06-10 |
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