BR112021025892A2 - Aparelho de detecção de falsificação, método de detecção de falsificação e meio de armazenamento legível por computador - Google Patents

Aparelho de detecção de falsificação, método de detecção de falsificação e meio de armazenamento legível por computador

Info

Publication number
BR112021025892A2
BR112021025892A2 BR112021025892A BR112021025892A BR112021025892A2 BR 112021025892 A2 BR112021025892 A2 BR 112021025892A2 BR 112021025892 A BR112021025892 A BR 112021025892A BR 112021025892 A BR112021025892 A BR 112021025892A BR 112021025892 A2 BR112021025892 A2 BR 112021025892A2
Authority
BR
Brazil
Prior art keywords
counterfeit detection
multichannel
spectrogram
detection apparatus
storage medium
Prior art date
Application number
BR112021025892A
Other languages
English (en)
Inventor
Aik Lee Kong
Qiongqiong Wang
Takafumi Koshinaka
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of BR112021025892A2 publication Critical patent/BR112021025892A2/pt

Links

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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/26—Recognition of special voice characteristics, e.g. for use in lie detectors; Recognition of animal voices
    • 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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/06—Decision making techniques; Pattern matching strategies
    • 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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/04—Training, enrolment or model building
    • 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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/18—Artificial neural networks; Connectionist approaches
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Business, Economics & Management (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Game Theory and Decision Science (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

aparelho de detecção de falsificação, método de detecção de falsificação e meio de armazenamento legível por computador. a presente invenção refere-se a um aparelho de detecção de falsificação (100) que inclui uma unidade de criação de espectrograma multicanal (10) e uma unidade de avaliação (40). a unidade de criação de espectrograma multicanal (10) extrai tipo diferente de espectrogramas dos dados de fala e integra o tipo diferente de espectrogramas para criar um espectrograma multicanal. a unidade de avaliação (40) avalia o espectrograma multicanal criado aplicando o espectrograma multicanal criado a um classificador construído usando espectrogramas multicanal identificados como dados de treinamento e os classifica como genuínos ou falsos.
BR112021025892A 2019-06-28 2019-06-28 Aparelho de detecção de falsificação, método de detecção de falsificação e meio de armazenamento legível por computador BR112021025892A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/025893 WO2020261552A1 (en) 2019-06-28 2019-06-28 Spoofing detection apparatus, spoofing detection method, and computer-readable storage medium

Publications (1)

Publication Number Publication Date
BR112021025892A2 true BR112021025892A2 (pt) 2022-02-08

Family

ID=74061553

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025892A BR112021025892A2 (pt) 2019-06-28 2019-06-28 Aparelho de detecção de falsificação, método de detecção de falsificação e meio de armazenamento legível por computador

Country Status (6)

Country Link
US (1) US11798564B2 (pt)
EP (1) EP3991168A4 (pt)
JP (1) JP7396376B2 (pt)
CN (1) CN114041184A (pt)
BR (1) BR112021025892A2 (pt)
WO (1) WO2020261552A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114041184A (zh) * 2019-06-28 2022-02-11 日本电气株式会社 欺骗检测装置、欺骗检测方法和计算机可读存储介质
CN113284508B (zh) * 2021-07-21 2021-11-09 中国科学院自动化研究所 基于层级区分的生成音频检测系统

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US9767806B2 (en) * 2013-09-24 2017-09-19 Cirrus Logic International Semiconductor Ltd. Anti-spoofing
EP2661746B1 (en) * 2011-01-05 2018-08-01 Nokia Technologies Oy Multi-channel encoding and/or decoding
EP3208770B1 (en) * 2014-10-15 2022-05-04 Nec Corporation Impersonation detection device, impersonation detection method, and recording medium
US9501568B2 (en) 2015-01-02 2016-11-22 Gracenote, Inc. Audio matching based on harmonogram
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WO2017108097A1 (en) * 2015-12-22 2017-06-29 Huawei Technologies Duesseldorf Gmbh Localization algorithm for sound sources with known statistics
JP7006592B2 (ja) * 2016-06-16 2022-01-24 日本電気株式会社 信号処理装置、信号処理方法および信号処理プログラム
US10096321B2 (en) * 2016-08-22 2018-10-09 Intel Corporation Reverberation compensation for far-field speaker recognition
US20190279644A1 (en) 2016-09-14 2019-09-12 Nec Corporation Speech processing device, speech processing method, and recording medium
JP2018051945A (ja) * 2016-09-29 2018-04-05 三星ダイヤモンド工業株式会社 ダイヤモンドツール及びそのスクライブ方法
AU2018226844B2 (en) * 2017-03-03 2021-11-18 Pindrop Security, Inc. Method and apparatus for detecting spoofing conditions
US20200323484A1 (en) * 2017-12-14 2020-10-15 Vocalis Health Method and system for screening for covid-19 with a vocal biomarker
US11462209B2 (en) * 2018-05-18 2022-10-04 Baidu Usa Llc Spectrogram to waveform synthesis using convolutional networks
US10593336B2 (en) * 2018-07-26 2020-03-17 Accenture Global Solutions Limited Machine learning for authenticating voice
EP3608918B1 (en) * 2018-08-08 2024-05-22 Tata Consultancy Services Limited Parallel implementation of deep neural networks for classifying heart sound signals
US11222641B2 (en) * 2018-10-05 2022-01-11 Panasonic Intellectual Property Corporation Of America Speaker recognition device, speaker recognition method, and recording medium
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KR20200119377A (ko) * 2019-03-25 2020-10-20 삼성전자주식회사 화자 식별 뉴럴 네트워크를 구현하는 방법 및 장치
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WO2021075063A1 (en) * 2019-10-18 2021-04-22 Nec Corporation Neural network-based signal processing apparatus, neural network-based signal processing method, and computer-readable storage medium
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US20230053026A1 (en) * 2021-08-12 2023-02-16 SmileDirectClub LLC Systems and methods for providing displayed feedback when using a rear-facing camera

Also Published As

Publication number Publication date
CN114041184A (zh) 2022-02-11
WO2020261552A1 (en) 2020-12-30
JP7396376B2 (ja) 2023-12-12
US11798564B2 (en) 2023-10-24
EP3991168A1 (en) 2022-05-04
JP2022546663A (ja) 2022-11-07
US20220358934A1 (en) 2022-11-10
EP3991168A4 (en) 2022-07-27

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