WO2001061987A3 - Remote control signaling using audio watermarks - Google Patents

Remote control signaling using audio watermarks Download PDF

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Publication number
WO2001061987A3
WO2001061987A3 PCT/US2001/040013 US0140013W WO0161987A3 WO 2001061987 A3 WO2001061987 A3 WO 2001061987A3 US 0140013 W US0140013 W US 0140013W WO 0161987 A3 WO0161987 A3 WO 0161987A3
Authority
WO
WIPO (PCT)
Prior art keywords
watermark
time
action
watermarks
audio signal
Prior art date
Application number
PCT/US2001/040013
Other languages
French (fr)
Other versions
WO2001061987A2 (en
Inventor
Rade Petrovic
Joseph M Winograd
Original Assignee
Verance Corp
Rade Petrovic
Joseph M Winograd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Verance Corp, Rade Petrovic, Joseph M Winograd filed Critical Verance Corp
Priority to AU2001243716A priority Critical patent/AU2001243716A1/en
Publication of WO2001061987A2 publication Critical patent/WO2001061987A2/en
Publication of WO2001061987A3 publication Critical patent/WO2001061987A3/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/02Non-electrical signal transmission systems, e.g. optical systems using infrasonic, sonic or ultrasonic waves
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B11/00Transmission systems employing sonic, ultrasonic or infrasonic waves
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00Commerce
    • G06Q30/02Marketing; Price estimation or determination; Fundraising
    • G06Q30/0241Advertisements
    • G06Q30/0251Targeted advertisements
    • G06Q30/0264Targeted advertisements based upon schedule
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/018Audio watermarking, i.e. embedding inaudible data in the audio signal

Abstract

A system for using a watermark embedded in an audio signal to remotely control a device (290). Various devices such as toys, computers, and appliances, equipped with an appropriate detector (292), detect the hidden signals, which can trigger an action, or change a state of the device. The watermarks can be used with a 'time gate' device, where detection of the watermark opens a time interval within which a user is allowed to perform an action, such as pressing a button, typing in an answer, turning a key in a lock, etc. To prevent fraudulent activation of a time gate, the time gate device can be configured to react only to watermarks coming from live broadcasts, and not from replays from tapes or other storage devices. In another feature, robustness of the watermark is improved, e.g., for acoustic propagation channels, by shifting the detection time of the watermark based on a measured bit error count of the watermark. Furthermore, the watermark may be inserted before the desired action along with corresponding offset information if the audio signal is not suitable at the time of the action.
PCT/US2001/040013 2000-02-16 2001-02-01 Remote control signaling using audio watermarks WO2001061987A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001243716A AU2001243716A1 (en) 2000-02-16 2001-02-01 Remote control signaling using audio watermarks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/505,080 2000-02-16
US09/505,080 US6737957B1 (en) 2000-02-16 2000-02-16 Remote control signaling using audio watermarks

Publications (2)

Publication Number Publication Date
WO2001061987A2 WO2001061987A2 (en) 2001-08-23
WO2001061987A3 true WO2001061987A3 (en) 2002-01-24

Family

ID=24008915

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/040013 WO2001061987A2 (en) 2000-02-16 2001-02-01 Remote control signaling using audio watermarks

Country Status (3)

Country Link
US (7) US6737957B1 (en)
AU (1) AU2001243716A1 (en)
WO (1) WO2001061987A2 (en)

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US8451086B2 (en) 2013-05-28
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US8106745B2 (en) 2012-01-31
WO2001061987A2 (en) 2001-08-23
US6737957B1 (en) 2004-05-18
US20110068898A1 (en) 2011-03-24
US20150016228A1 (en) 2015-01-15
US8791789B2 (en) 2014-07-29
US20070247278A1 (en) 2007-10-25
US20130339029A1 (en) 2013-12-19
US20040169581A1 (en) 2004-09-02
US8106744B2 (en) 2012-01-31
US20120130719A1 (en) 2012-05-24

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