WO1995027349A1 - Apparatus and methods for including codes in audio signals and decoding - Google Patents
Apparatus and methods for including codes in audio signals and decoding Download PDFInfo
- Publication number
- WO1995027349A1 WO1995027349A1 PCT/US1995/003797 US9503797W WO9527349A1 WO 1995027349 A1 WO1995027349 A1 WO 1995027349A1 US 9503797 W US9503797 W US 9503797W WO 9527349 A1 WO9527349 A1 WO 9527349A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- code
- methods
- audio signal
- frequency component
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 238000011156 evaluation Methods 0.000 abstract 1
Classifications
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- 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
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/37—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying segments of broadcast information, e.g. scenes or extracting programme ID
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
- H04H60/40—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
- H04H60/41—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
- H04H60/44—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/45—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying users
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/56—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
- H04H60/58—Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/12—Arrangements for observation, testing or troubleshooting
- H04H20/14—Arrangements for observation, testing or troubleshooting for monitoring programmes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/13—Arrangements for device control affected by the broadcast information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/17—Arrangements for conditional access to broadcast information or to broadcast-related services on recording information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/61—Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
- H04H60/63—Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 for services of sales
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/61—Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
- H04H60/66—Arrangements for services using the result of monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 for using the result on distributors' side
Abstract
Priority Applications (27)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU0004765A HU219628B (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including a code having at least one code frequency component with an audio signal including a plurality of audio signal frequency components |
MX9604464A MX9604464A (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and decoding. |
AT0902795A AT410047B (en) | 1994-03-31 | 1995-03-27 | DEVICE AND METHOD FOR INSERTING CODES IN AUDIO SIGNALS AND FOR DECODING |
PL95333766A PL187110B1 (en) | 1994-03-31 | 1995-03-27 | Method of activating multi frequency code- for sound signal |
DK95914900T DK0753226T3 (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and for decoding |
DE19581594T DE19581594T1 (en) | 1994-03-31 | 1995-03-27 | Device and method for inserting codes into audio signals and for decoding |
GB9620181A GB2302000B (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals |
DE69535794T DE69535794D1 (en) | 1994-03-31 | 1995-03-27 | DEVICE AND METHOD FOR DECODING AND INSERTING CODES IN SOUND SIGNALS |
NZ283612A NZ283612A (en) | 1994-03-31 | 1995-03-27 | An audio signal masks and renders inaudible a detectable audio frequency code signal incorporated into the audio signal |
JP7525787A JPH10500263A (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including and decoding a code in an audio signal |
HU9602628A HU219256B (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including a code having at least one code frequency component with an audio signal having a plurality of audio signal frequency components |
EP95914900A EP0753226B1 (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and decoding |
AU21969/95A AU709873B2 (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and decoding |
PL95333769A PL180441B1 (en) | 1994-03-31 | 1995-03-27 | Method of and apparatus for code detecting |
KR1019960705429A KR970702635A (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including and decoding code in an audio signal (APPARATUS AND METHODS FOR INCLUDING CODES IN AUDIO SIGNALS AND DECODING) |
PL95316631A PL177808B1 (en) | 1994-03-31 | 1995-03-27 | Apparatus for and methods of including codes into audio signals and decoding such codes |
BR9507230A BR9507230A (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including a code with at least one code frequency component in an audio signal with a plurality of audio signal frequency components. code in an encoded audio signal and digital computer programmed to detect a code in an encoded audio signal |
HU0004770A HU219667B (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including a code having at least one code frequency component with an audio signal having a plurality of audio signal frequency components |
PL95333768A PL183573B1 (en) | 1994-03-31 | 1995-03-27 | Audio signal encoding system and decoding system |
PL95333767A PL183307B1 (en) | 1994-03-31 | 1995-03-27 | Audio signal encoding system |
CA002185790A CA2185790C (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and decoding |
HU0004769A HU219668B (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for including a code having at least one code frequency component with an audio signal having a plurality of audio signal frequency components |
HU0004767A HU219627B (en) | 1994-03-31 | 1995-03-27 | Apparatus and method for encoding an audio signal |
FI963827A FI115938B (en) | 1994-03-31 | 1996-09-25 | Device and method for including codes in audio signals and decoding them |
NO19964062A NO322242B1 (en) | 1994-03-31 | 1996-09-26 | Device and methods for detecting a code in a coded audio signal |
SE9603570A SE519882C2 (en) | 1994-03-31 | 1996-09-30 | Apparatus and methods for including codes in audio signals and for decoding such codes. |
LU88820A LU88820A1 (en) | 1994-03-31 | 1996-09-30 | Device and method for inserting codes into audio signals and for decoding |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/221,019 US5450490A (en) | 1994-03-31 | 1994-03-31 | Apparatus and methods for including codes in audio signals and decoding |
US08/221,019 | 1994-03-31 | ||
US08/408,010 US5764763A (en) | 1994-03-31 | 1995-03-24 | Apparatus and methods for including codes in audio signals and decoding |
US08/408,010 | 1995-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1995027349A1 true WO1995027349A1 (en) | 1995-10-12 |
Family
ID=26915413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1995/003797 WO1995027349A1 (en) | 1994-03-31 | 1995-03-27 | Apparatus and methods for including codes in audio signals and decoding |
Country Status (23)
Country | Link |
---|---|
US (3) | US6421445B1 (en) |
EP (1) | EP0753226B1 (en) |
JP (2) | JPH10500263A (en) |
CN (1) | CN1149366A (en) |
AT (1) | AT410047B (en) |
AU (1) | AU709873B2 (en) |
BR (1) | BR9507230A (en) |
CA (1) | CA2185790C (en) |
CH (1) | CH694652A5 (en) |
CZ (1) | CZ288497B6 (en) |
DE (1) | DE19581594T1 (en) |
DK (1) | DK176762B1 (en) |
FI (1) | FI115938B (en) |
GB (1) | GB2302000B (en) |
HU (7) | HU219668B (en) |
IL (1) | IL113190A (en) |
LU (1) | LU88820A1 (en) |
MX (1) | MX9604464A (en) |
NO (1) | NO322242B1 (en) |
NZ (2) | NZ283612A (en) |
PL (5) | PL183573B1 (en) |
SE (1) | SE519882C2 (en) |
WO (1) | WO1995027349A1 (en) |
Cited By (31)
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WO1997033392A1 (en) * | 1996-03-05 | 1997-09-12 | Central Research Laboratories Limited | Audio signal identification using code labels inserted in the audio signal |
WO1997034383A1 (en) * | 1996-03-13 | 1997-09-18 | Digital D.J. Incorporated | Subcarrier injection system and method using adaptive level-shifted minimum shift keying |
JPH1097760A (en) * | 1996-07-31 | 1998-04-14 | Victor Co Of Japan Ltd | Incorporating device for copyright information, recording medium, and communication method for digital audio signal |
JPH1097762A (en) * | 1996-07-31 | 1998-04-14 | Victor Co Of Japan Ltd | Incorporating device for copyright information, recording medium, and communication method for digital audio signal |
US5812937A (en) * | 1993-04-08 | 1998-09-22 | Digital Dj Inc. | Broadcast data system with multiple-tuner receiver |
EP1843496A3 (en) * | 1998-07-16 | 2007-10-24 | Nielsen Media Research, Inc. | System and method for encoding an audio signal, by adding an inaudible code to the audio signal, for use in broadcast programme identification systems |
US7672843B2 (en) | 1999-10-27 | 2010-03-02 | The Nielsen Company (Us), Llc | Audio signature extraction and correlation |
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US8255938B2 (en) | 2003-06-20 | 2012-08-28 | The Nielsen Company (Us), Llc | Signature-based program identification apparatus and methods for use with digital broadcast systems |
US8959016B2 (en) | 2002-09-27 | 2015-02-17 | The Nielsen Company (Us), Llc | Activating functions in processing devices using start codes embedded in audio |
US9100132B2 (en) | 2002-07-26 | 2015-08-04 | The Nielsen Company (Us), Llc | Systems and methods for gathering audience measurement data |
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US9336784B2 (en) | 2013-07-31 | 2016-05-10 | The Nielsen Company (Us), Llc | Apparatus, system and method for merging code layers for audio encoding and decoding and error correction thereof |
US9380356B2 (en) | 2011-04-12 | 2016-06-28 | The Nielsen Company (Us), Llc | Methods and apparatus to generate a tag for media content |
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US9609034B2 (en) | 2002-12-27 | 2017-03-28 | The Nielsen Company (Us), Llc | Methods and apparatus for transcoding metadata |
US9667365B2 (en) | 2008-10-24 | 2017-05-30 | The Nielsen Company (Us), Llc | Methods and apparatus to perform audio watermarking and watermark detection and extraction |
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WO1995027349A1 (en) | 1994-03-31 | 1995-10-12 | The Arbitron Company, A Division Of Ceridian Corporation | Apparatus and methods for including codes in audio signals and decoding |
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