TWI560708B - Extraction and matching of characteristic fingerprints from audio signals - Google Patents

Extraction and matching of characteristic fingerprints from audio signals

Info

Publication number
TWI560708B
TWI560708B TW103129319A TW103129319A TWI560708B TW I560708 B TWI560708 B TW I560708B TW 103129319 A TW103129319 A TW 103129319A TW 103129319 A TW103129319 A TW 103129319A TW I560708 B TWI560708 B TW I560708B
Authority
TW
Taiwan
Prior art keywords
extraction
matching
audio signals
characteristic fingerprints
fingerprints
Prior art date
Application number
TW103129319A
Other languages
English (en)
Other versions
TW201447871A (zh
Inventor
Sergiy Bilobrov
Original Assignee
Excalibur Ip Llc
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 Excalibur Ip Llc filed Critical Excalibur Ip Llc
Publication of TW201447871A publication Critical patent/TW201447871A/zh
Application granted granted Critical
Publication of TWI560708B publication Critical patent/TWI560708B/zh

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • G10L25/54Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination for retrieval
TW103129319A 2011-02-10 2012-01-19 Extraction and matching of characteristic fingerprints from audio signals TWI560708B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/025,060 US9093120B2 (en) 2011-02-10 2011-02-10 Audio fingerprint extraction by scaling in time and resampling

Publications (2)

Publication Number Publication Date
TW201447871A TW201447871A (zh) 2014-12-16
TWI560708B true TWI560708B (en) 2016-12-01

Family

ID=46637583

Family Applications (2)

Application Number Title Priority Date Filing Date
TW103129319A TWI560708B (en) 2011-02-10 2012-01-19 Extraction and matching of characteristic fingerprints from audio signals
TW101102127A TWI480855B (zh) 2011-02-10 2012-01-19 聲音訊號之特徵指紋擷取與匹配

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW101102127A TWI480855B (zh) 2011-02-10 2012-01-19 聲音訊號之特徵指紋擷取與匹配

Country Status (6)

Country Link
US (1) US9093120B2 (zh)
EP (1) EP2673775A4 (zh)
JP (1) JP5826291B2 (zh)
CN (1) CN103403710B (zh)
TW (2) TWI560708B (zh)
WO (1) WO2012108975A2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745843B (zh) * 2019-09-21 2021-11-11 美律實業股份有限公司 由電腦實施的語音命令驗證方法及電子裝置
TWI806210B (zh) * 2021-10-29 2023-06-21 宏碁股份有限公司 聲音浮水印的處理方法及聲音浮水印處理裝置

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4665836B2 (ja) * 2006-05-31 2011-04-06 日本ビクター株式会社 楽曲分類装置、楽曲分類方法、及び楽曲分類プログラム
US9313359B1 (en) 2011-04-26 2016-04-12 Gracenote, Inc. Media content identification on mobile devices
US10116972B2 (en) 2009-05-29 2018-10-30 Inscape Data, Inc. Methods for identifying video segments and displaying option to view from an alternative source and/or on an alternative device
US9449090B2 (en) 2009-05-29 2016-09-20 Vizio Inscape Technologies, Llc Systems and methods for addressing a media database using distance associative hashing
US10949458B2 (en) 2009-05-29 2021-03-16 Inscape Data, Inc. System and method for improving work load management in ACR television monitoring system
US9071868B2 (en) 2009-05-29 2015-06-30 Cognitive Networks, Inc. Systems and methods for improving server and client performance in fingerprint ACR systems
US10375451B2 (en) 2009-05-29 2019-08-06 Inscape Data, Inc. Detection of common media segments
US8595781B2 (en) 2009-05-29 2013-11-26 Cognitive Media Networks, Inc. Methods for identifying video segments and displaying contextual targeted content on a connected television
JP2011080937A (ja) * 2009-10-09 2011-04-21 Sumitomo Chemical Co Ltd 保温材下腐食の検査方法
US9838753B2 (en) 2013-12-23 2017-12-05 Inscape Data, Inc. Monitoring individual viewing of television events using tracking pixels and cookies
US10192138B2 (en) 2010-05-27 2019-01-29 Inscape Data, Inc. Systems and methods for reducing data density in large datasets
CN102215144B (zh) * 2011-05-17 2016-06-29 中兴通讯股份有限公司 丢包率的测量方法和系统
US9286909B2 (en) * 2011-06-06 2016-03-15 Bridge Mediatech, S.L. Method and system for robust audio hashing
US8586847B2 (en) * 2011-12-02 2013-11-19 The Echo Nest Corporation Musical fingerprinting based on onset intervals
US11706481B2 (en) * 2012-02-21 2023-07-18 Roku, Inc. Media content identification on mobile devices
US9684715B1 (en) * 2012-03-08 2017-06-20 Google Inc. Audio identification using ordinal transformation
US9703932B2 (en) * 2012-04-30 2017-07-11 Excalibur Ip, Llc Continuous content identification of broadcast content
KR102040199B1 (ko) * 2012-07-11 2019-11-05 한국전자통신연구원 오디오 품질 측정 장치 및 그 방법
WO2014094912A1 (en) 2012-12-21 2014-06-26 Rocket Pictures Limited Processing media data
CN103116629B (zh) * 2013-02-01 2016-04-20 腾讯科技(深圳)有限公司 一种音频内容的匹配方法和系统
US9055376B1 (en) * 2013-03-08 2015-06-09 Google Inc. Classifying music by genre using discrete cosine transforms
US9728205B2 (en) 2013-03-15 2017-08-08 Facebook, Inc. Generating audio fingerprints based on audio signal complexity
US9679583B2 (en) 2013-03-15 2017-06-13 Facebook, Inc. Managing silence in audio signal identification
US9244042B2 (en) * 2013-07-31 2016-01-26 General Electric Company Vibration condition monitoring system and methods
US9898086B2 (en) * 2013-09-06 2018-02-20 Immersion Corporation Systems and methods for visual processing of spectrograms to generate haptic effects
US9652945B2 (en) * 2013-09-06 2017-05-16 Immersion Corporation Method and system for providing haptic effects based on information complementary to multimedia content
FR3015754A1 (fr) * 2013-12-20 2015-06-26 Orange Re-echantillonnage d'un signal audio cadence a une frequence d'echantillonnage variable selon la trame
US9955192B2 (en) 2013-12-23 2018-04-24 Inscape Data, Inc. Monitoring individual viewing of television events using tracking pixels and cookies
CN103747277A (zh) * 2014-01-10 2014-04-23 北京酷云互动科技有限公司 一种多媒体节目识别方法和装置
US9390727B2 (en) 2014-01-13 2016-07-12 Facebook, Inc. Detecting distorted audio signals based on audio fingerprinting
CN103794209A (zh) * 2014-01-17 2014-05-14 王博龙 一种基于音频指纹识别技术的电影映前广告监播系统
GB2523311B (en) * 2014-02-17 2021-07-14 Grass Valley Ltd Method and apparatus for managing audio visual, audio or visual content
EP3111672B1 (en) * 2014-02-24 2017-11-15 Widex A/S Hearing aid with assisted noise suppression
NL2012567B1 (en) * 2014-04-04 2016-03-08 Teletrax B V Method and device for generating improved fingerprints.
US20150302086A1 (en) * 2014-04-22 2015-10-22 Gracenote, Inc. Audio identification during performance
TWI569257B (zh) * 2014-07-04 2017-02-01 玄舟科技有限公司 音訊處理裝置及其音訊處理方法
US9558272B2 (en) 2014-08-14 2017-01-31 Yandex Europe Ag Method of and a system for matching audio tracks using chromaprints with a fast candidate selection routine
WO2016024171A1 (en) 2014-08-14 2016-02-18 Yandex Europe Ag Method of and a system for indexing audio tracks using chromaprints
GB2530728A (en) * 2014-09-26 2016-04-06 Yummi Group Singapore Pte Ltd An interactive game system
CN104361889B (zh) * 2014-10-28 2018-03-16 北京音之邦文化科技有限公司 一种对音频文件进行处理的方法及装置
EP3023884A1 (en) * 2014-11-21 2016-05-25 Thomson Licensing Method and apparatus for generating fingerprint of an audio signal
EP3228084A4 (en) * 2014-12-01 2018-04-25 Inscape Data, Inc. System and method for continuous media segment identification
CN104503758A (zh) * 2014-12-24 2015-04-08 天脉聚源(北京)科技有限公司 一种生成动感音乐光圈的方法及装置
WO2016123495A1 (en) 2015-01-30 2016-08-04 Vizio Inscape Technologies, Llc Methods for identifying video segments and displaying option to view from an alternative source and/or on an alternative device
KR20160102815A (ko) * 2015-02-23 2016-08-31 한국전자통신연구원 잡음에 강인한 오디오 신호 처리 장치 및 방법
US10032462B2 (en) 2015-02-26 2018-07-24 Indian Institute Of Technology Bombay Method and system for suppressing noise in speech signals in hearing aids and speech communication devices
TWI758146B (zh) 2015-03-13 2022-03-11 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
TWI732403B (zh) * 2015-03-13 2021-07-01 瑞典商杜比國際公司 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流
MX2017013128A (es) 2015-04-17 2018-01-26 Inscape Data Inc Sistemas y metodos para reducir densidad de los datos en grandes conjuntos de datos.
CN106297821A (zh) * 2015-05-19 2017-01-04 红阳科技股份有限公司 提升音频辨识率的声音传输系统及其数据处理方法
US9965685B2 (en) * 2015-06-12 2018-05-08 Google Llc Method and system for detecting an audio event for smart home devices
US10080062B2 (en) 2015-07-16 2018-09-18 Inscape Data, Inc. Optimizing media fingerprint retention to improve system resource utilization
US10902048B2 (en) 2015-07-16 2021-01-26 Inscape Data, Inc. Prediction of future views of video segments to optimize system resource utilization
WO2017011768A1 (en) 2015-07-16 2017-01-19 Vizio Inscape Technologies, Llc Systems and methods for partitioning search indexes for improved efficiency in identifying media segments
CA2992319C (en) 2015-07-16 2023-11-21 Inscape Data, Inc. Detection of common media segments
US9900636B2 (en) 2015-08-14 2018-02-20 The Nielsen Company (Us), Llc Reducing signature matching uncertainty in media monitoring systems
CN107016999B (zh) 2015-10-16 2022-06-14 谷歌有限责任公司 热词识别
US9747926B2 (en) 2015-10-16 2017-08-29 Google Inc. Hotword recognition
US9928840B2 (en) 2015-10-16 2018-03-27 Google Llc Hotword recognition
CN107133190A (zh) * 2016-02-29 2017-09-05 阿里巴巴集团控股有限公司 一种机器学习系统的训练方法和训练系统
US10397663B2 (en) * 2016-04-08 2019-08-27 Source Digital, Inc. Synchronizing ancillary data to content including audio
CN105868397B (zh) * 2016-04-19 2020-12-01 腾讯科技(深圳)有限公司 一种歌曲确定方法和装置
CN106910494B (zh) 2016-06-28 2020-11-13 创新先进技术有限公司 一种音频识别方法和装置
GB2556023B (en) * 2016-08-15 2022-02-09 Intrasonics Sarl Audio matching
TWI612516B (zh) * 2016-08-25 2018-01-21 財團法人資訊工業策進會 聲紋辨識裝置、聲紋辨識方法及其電腦程式產品
EP3539218B1 (en) * 2016-12-15 2021-04-07 Huawei Technologies Co., Ltd. Method and system of similarity-based deduplication
JP7118998B2 (ja) 2017-04-06 2022-08-16 インスケイプ データ インコーポレイテッド メディア視聴データを使用してデバイスマップの精度を改善させるためのシステムおよび方法
EP3659040A4 (en) * 2017-07-28 2020-12-02 Dolby Laboratories Licensing Corporation PROCESS AND SYSTEM FOR PROVIDING MULTIMEDIA CONTENT TO A CUSTOMER
CN108171151A (zh) * 2017-12-26 2018-06-15 上海亿动信息技术有限公司 一种对视频广告进行识别统计的控制方法及装置
CN108198573B (zh) * 2017-12-29 2021-04-30 北京奇艺世纪科技有限公司 音频识别方法及装置、存储介质及电子设备
US10089994B1 (en) 2018-01-15 2018-10-02 Alex Radzishevsky Acoustic fingerprint extraction and matching
US10978091B2 (en) * 2018-03-19 2021-04-13 Academia Sinica System and methods for suppression by selecting wavelets for feature compression in distributed speech recognition
CN108447501B (zh) * 2018-03-27 2020-08-18 中南大学 一种云存储环境下基于音频字的盗版视频检测方法与系统
EP3547314A1 (en) 2018-03-28 2019-10-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for providing a fingerprint of an input signal
CN110322886A (zh) * 2018-03-29 2019-10-11 北京字节跳动网络技术有限公司 一种音频指纹提取方法及装置
US20210325346A1 (en) * 2018-08-20 2021-10-21 Ramot At Tel-Aviv University Ltd. Plant-monitor
GB2577570A (en) * 2018-09-28 2020-04-01 Cirrus Logic Int Semiconductor Ltd Sound event detection
CN111462736B (zh) * 2019-01-17 2023-04-14 北京字节跳动网络技术有限公司 基于语音的图像生成方法、装置和电子设备
CN110310660B (zh) * 2019-06-06 2021-10-08 上海工程技术大学 一种基于语谱图的语音重采样检测方法
US20210073273A1 (en) * 2019-09-05 2021-03-11 Gracenote, Inc. Methods and apparatus to identify media based on historical data
CN113112992B (zh) * 2019-12-24 2022-09-16 中国移动通信集团有限公司 一种语音识别方法、装置、存储介质和服务器
CN113933590A (zh) * 2020-07-14 2022-01-14 森兰信息科技(上海)有限公司 波的频谱的计算方法、系统、介质及装置
US11694692B2 (en) 2020-11-11 2023-07-04 Bank Of America Corporation Systems and methods for audio enhancement and conversion
US20220222294A1 (en) * 2021-01-14 2022-07-14 Smule, Inc. Densification in Music Search and Recommendation
EP4030771A1 (en) * 2021-01-15 2022-07-20 Subreader ApS A method and device for content presentation
CN113421585A (zh) * 2021-05-10 2021-09-21 云境商务智能研究院南京有限公司 一种音频指纹库生成方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070005500A1 (en) * 2005-06-20 2007-01-04 Microsoft Corporation Secure online transactions using a captcha image as a watermark
US7454334B2 (en) * 2003-08-28 2008-11-18 Wildlife Acoustics, Inc. Method and apparatus for automatically identifying animal species from their vocalizations

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW232116B (en) * 1993-04-14 1994-10-11 Sony Corp Method or device and recording media for signal conversion
JPH06318876A (ja) * 1993-04-30 1994-11-15 Sony Corp 信号変換方法及び装置、並びに記録媒体
US5737720A (en) * 1993-10-26 1998-04-07 Sony Corporation Low bit rate multichannel audio coding methods and apparatus using non-linear adaptive bit allocation
US5918223A (en) 1996-07-22 1999-06-29 Muscle Fish Method and article of manufacture for content-based analysis, storage, retrieval, and segmentation of audio information
JP4170458B2 (ja) * 1998-08-27 2008-10-22 ローランド株式会社 波形信号の時間軸圧縮伸長装置
US6266003B1 (en) 1998-08-28 2001-07-24 Sigma Audio Research Limited Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals
US6266644B1 (en) * 1998-09-26 2001-07-24 Liquid Audio, Inc. Audio encoding apparatus and methods
JP2000134105A (ja) * 1998-10-29 2000-05-12 Matsushita Electric Ind Co Ltd オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法
US7013301B2 (en) 2003-09-23 2006-03-14 Predixis Corporation Audio fingerprinting system and method
US8326584B1 (en) 1999-09-14 2012-12-04 Gracenote, Inc. Music searching methods based on human perception
US7194752B1 (en) 1999-10-19 2007-03-20 Iceberg Industries, Llc Method and apparatus for automatically recognizing input audio and/or video streams
US7174293B2 (en) 1999-09-21 2007-02-06 Iceberg Industries Llc Audio identification system and method
US6834308B1 (en) 2000-02-17 2004-12-21 Audible Magic Corporation Method and apparatus for identifying media content presented on a media playing device
FR2807275B1 (fr) 2000-04-04 2003-01-24 Mobiclick Systeme permettant de transmettre a un usager des informations relativement a une sequence sonore qu'il ecoute ou a ecoutee
US6453252B1 (en) 2000-05-15 2002-09-17 Creative Technology Ltd. Process for identifying audio content
US6963975B1 (en) 2000-08-11 2005-11-08 Microsoft Corporation System and method for audio fingerprinting
US7853664B1 (en) 2000-07-31 2010-12-14 Landmark Digital Services Llc Method and system for purchasing pre-recorded music
US6990453B2 (en) 2000-07-31 2006-01-24 Landmark Digital Services Llc System and methods for recognizing sound and music signals in high noise and distortion
US7562012B1 (en) 2000-11-03 2009-07-14 Audible Magic Corporation Method and apparatus for creating a unique audio signature
US20020072982A1 (en) 2000-12-12 2002-06-13 Shazam Entertainment Ltd. Method and system for interacting with a user in an experiential environment
US7359889B2 (en) 2001-03-02 2008-04-15 Landmark Digital Services Llc Method and apparatus for automatically creating database for use in automated media recognition system
US7136418B2 (en) * 2001-05-03 2006-11-14 University Of Washington Scalable and perceptually ranked signal coding and decoding
AU2002346116A1 (en) 2001-07-20 2003-03-03 Gracenote, Inc. Automatic identification of sound recordings
US7003131B2 (en) 2002-07-09 2006-02-21 Kaleidescape, Inc. Watermarking and fingerprinting digital content using alternative blocks to embed information
WO2004044820A1 (en) 2002-11-12 2004-05-27 Koninklijke Philips Electronics N.V. Fingerprinting multimedia contents
DE102004036154B3 (de) * 2004-07-26 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur robusten Klassifizierung von Audiosignalen sowie Verfahren zu Einrichtung und Betrieb einer Audiosignal-Datenbank sowie Computer-Programm
US20060080356A1 (en) 2004-10-13 2006-04-13 Microsoft Corporation System and method for inferring similarities between media objects
KR100707186B1 (ko) * 2005-03-24 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
US7516074B2 (en) * 2005-09-01 2009-04-07 Auditude, Inc. Extraction and matching of characteristic fingerprints from audio signals
JP5409377B2 (ja) * 2007-10-23 2014-02-05 クラリオン株式会社 高域補間装置および高域補間方法
US8290782B2 (en) * 2008-07-24 2012-10-16 Dts, Inc. Compression of audio scale-factors by two-dimensional transformation
CN101404750B (zh) * 2008-11-11 2011-01-05 清华大学 一种视频指纹的生成方法及装置
US8594392B2 (en) * 2009-11-18 2013-11-26 Yahoo! Inc. Media identification system for efficient matching of media items having common content
US8589171B2 (en) * 2011-03-17 2013-11-19 Remote Media, Llc System and method for custom marking a media file for file matching
US9251406B2 (en) * 2012-06-20 2016-02-02 Yahoo! Inc. Method and system for detecting users' emotions when experiencing a media program
US9728205B2 (en) * 2013-03-15 2017-08-08 Facebook, Inc. Generating audio fingerprints based on audio signal complexity
US9679583B2 (en) * 2013-03-15 2017-06-13 Facebook, Inc. Managing silence in audio signal identification

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7454334B2 (en) * 2003-08-28 2008-11-18 Wildlife Acoustics, Inc. Method and apparatus for automatically identifying animal species from their vocalizations
US20070005500A1 (en) * 2005-06-20 2007-01-04 Microsoft Corporation Secure online transactions using a captcha image as a watermark

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI745843B (zh) * 2019-09-21 2021-11-11 美律實業股份有限公司 由電腦實施的語音命令驗證方法及電子裝置
TWI806210B (zh) * 2021-10-29 2023-06-21 宏碁股份有限公司 聲音浮水印的處理方法及聲音浮水印處理裝置

Also Published As

Publication number Publication date
US9093120B2 (en) 2015-07-28
TWI480855B (zh) 2015-04-11
EP2673775A2 (en) 2013-12-18
JP5826291B2 (ja) 2015-12-02
JP2014506686A (ja) 2014-03-17
WO2012108975A2 (en) 2012-08-16
US20120209612A1 (en) 2012-08-16
WO2012108975A3 (en) 2012-11-01
EP2673775A4 (en) 2017-07-19
TW201246183A (en) 2012-11-16
CN103403710B (zh) 2016-11-09
TW201447871A (zh) 2014-12-16
CN103403710A (zh) 2013-11-20

Similar Documents

Publication Publication Date Title
TWI560708B (en) Extraction and matching of characteristic fingerprints from audio signals
EP2679042A4 (en) AUDIOLOCALIZATION BY AUDIO SIGNAL CODING AND DETECTION
GB2497343B (en) Processing audio signals
GB2496660B (en) Processing audio signals
GB2495130B (en) Processing audio signals
IL248530A0 (en) Biomarkers and treatment methods
GB2493327B (en) Processing audio signals
ZA201406248B (en) Voice frequency signal processing method and device
HK1199506A1 (zh) 包括將聲音信號變換成頻率調頻域的處理聲音信號的系統和方法
HK1199344A1 (zh) 用於內容識別的音頻指紋
EP2685450A4 (en) DEVICE AND METHOD FOR CONTENT DETECTION WITH AUDIO SIGNALS
GB201217528D0 (en) Point of sale inductive systems and methods
EP2537350A4 (en) PROCESSING AN AUDIO RECORDING OF MULTIPLE DEVICES
EP2589047A4 (en) AUDIO PROCESSING OF THE WORD
GB201116869D0 (en) Processing audio signals
EP2827330A4 (en) DEVICE AND METHOD FOR PROCESSING AUDIO SIGNALS
GB201222555D0 (en) Receiver and method of receiving
GB2480830B (en) Signal processing apparatuses and methods
GB201311895D0 (en) Extraction of gold
EP2939443A4 (en) SYSTEM AND METHOD FOR THE VARIABLE DECORRELATION OF AUDIO SIGNALS
EP2529370A4 (en) SYSTEM AND METHOD FOR LANGUAGE EXTRACTION
EP2610866A4 (en) METHOD AND DEVICE FOR PROCESSING AUDIO SIGNALS
EP2828276A4 (en) RICH RUTIN EXTRACT AND MANUFACTURING METHOD THEREOF
EP2690623A4 (en) DIRECT SOUND EXTRACTION DEVICE, AND DEVICE FOR EXTRACTING ITS REVERB
EP2625785A4 (en) SIGNAL PROCESSING ARRANGEMENT AND SIGNAL PROCESSING METHOD

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees