BRPI0910793B8 - Método e discriminador para a classificação de diferentes segmentos de um sinal - Google Patents

Método e discriminador para a classificação de diferentes segmentos de um sinal

Info

Publication number
BRPI0910793B8
BRPI0910793B8 BRPI0910793A BRPI0910793A BRPI0910793B8 BR PI0910793 B8 BRPI0910793 B8 BR PI0910793B8 BR PI0910793 A BRPI0910793 A BR PI0910793A BR PI0910793 A BRPI0910793 A BR PI0910793A BR PI0910793 B8 BRPI0910793 B8 BR PI0910793B8
Authority
BR
Brazil
Prior art keywords
signal
different segments
type
discriminator
classification result
Prior art date
Application number
BRPI0910793A
Other languages
English (en)
Inventor
Frederik Nagel
Guillaume Fuchs
Jens Hirschfeld
Juergen Herre
Jérémie Lecomte
Nikolaus Rettelbach
Stefan Bayer
Stefan Wabnik
Yoshikazu Yokotani
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of BRPI0910793A2 publication Critical patent/BRPI0910793A2/pt
Publication of BRPI0910793B1 publication Critical patent/BRPI0910793B1/pt
Publication of BRPI0910793B8 publication Critical patent/BRPI0910793B8/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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/81—Detection of presence or absence of voice signals for discriminating voice from music
    • 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
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/00—Speech 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
    • 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
    • G10L19/00—Speech 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
    • G10L19/04—Speech 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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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
    • 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
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L2025/783—Detection of presence or absence of voice signals based on threshold decision

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Analysis (AREA)

Abstract

método e discriminador para a classificação de diferentes segmentos de um sinal. para classificar os diferentes segmentos de um sinal de que abrange segmentos de pelo menos, um primeiro tipo e um segundo tipo, por exemplo segmentos de áudio e fala, o sinal é classificado como curto prazo (150) com base em pelo menos, um recurso de curto prazo extraído do sinal e um resultado de classificação de curto prazo (152) é entregue. o sinal também é classificado como longo prazo (154) com base em pelo menos, um recurso de curto prazo e em pelo menos, um recurso de longo prazo extraído do sinal e um resultado de classificação de longo prazo (156) é entregue. o resultado de classificação de curto prazo (152) e o resultado de classificação de longo prazo (156) são combinados (158) para fornecer um sinal de saída (160) indicado se um segmento do sinal é de primeiro tipo ou de segundo tipo.
BRPI0910793A 2008-07-11 2009-06-16 Método e discriminador para a classificação de diferentes segmentos de um sinal BRPI0910793B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7987508P 2008-07-11 2008-07-11
US61/079,875 2008-07-11
PCT/EP2009/004339 WO2010003521A1 (en) 2008-07-11 2009-06-16 Method and discriminator for classifying different segments of a signal

Publications (3)

Publication Number Publication Date
BRPI0910793A2 BRPI0910793A2 (pt) 2016-08-02
BRPI0910793B1 BRPI0910793B1 (pt) 2020-11-24
BRPI0910793B8 true BRPI0910793B8 (pt) 2021-08-24

Family

ID=40851974

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0910793A BRPI0910793B8 (pt) 2008-07-11 2009-06-16 Método e discriminador para a classificação de diferentes segmentos de um sinal

Country Status (19)

Country Link
US (1) US8571858B2 (pt)
EP (1) EP2301011B1 (pt)
JP (1) JP5325292B2 (pt)
KR (2) KR101380297B1 (pt)
CN (1) CN102089803B (pt)
AR (1) AR072863A1 (pt)
AU (1) AU2009267507B2 (pt)
BR (1) BRPI0910793B8 (pt)
CA (1) CA2730196C (pt)
CO (1) CO6341505A2 (pt)
ES (1) ES2684297T3 (pt)
MX (1) MX2011000364A (pt)
MY (1) MY153562A (pt)
PL (1) PL2301011T3 (pt)
PT (1) PT2301011T (pt)
RU (1) RU2507609C2 (pt)
TW (1) TWI441166B (pt)
WO (1) WO2010003521A1 (pt)
ZA (1) ZA201100088B (pt)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2515704C2 (ru) * 2008-07-11 2014-05-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер и аудиодекодер для кодирования и декодирования отсчетов аудиосигнала
CN101847412B (zh) * 2009-03-27 2012-02-15 华为技术有限公司 音频信号的分类方法及装置
KR101666521B1 (ko) * 2010-01-08 2016-10-14 삼성전자 주식회사 입력 신호의 피치 주기 검출 방법 및 그 장치
CA2813859C (en) 2010-10-06 2016-07-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac)
US8521541B2 (en) * 2010-11-02 2013-08-27 Google Inc. Adaptive audio transcoding
CN103000172A (zh) * 2011-09-09 2013-03-27 中兴通讯股份有限公司 信号分类方法和装置
US20130090926A1 (en) * 2011-09-16 2013-04-11 Qualcomm Incorporated Mobile device context information using speech detection
EP2772914A4 (en) * 2011-10-28 2015-07-15 Panasonic Corp DECODER FOR HYBRID SOUND SIGNALS, COORDINATORS FOR HYBRID SOUND SIGNALS, DECODING PROCEDURE FOR SOUND SIGNALS AND CODING SIGNALING PROCESSES
CN105163398B (zh) 2011-11-22 2019-01-18 华为技术有限公司 连接建立方法和用户设备
US9111531B2 (en) * 2012-01-13 2015-08-18 Qualcomm Incorporated Multiple coding mode signal classification
JP5724044B2 (ja) * 2012-02-17 2015-05-27 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． 多重チャネル・オーディオ信号の符号化のためのパラメトリック型符号化装置
US20130317821A1 (en) * 2012-05-24 2013-11-28 Qualcomm Incorporated Sparse signal detection with mismatched models
EP3113184B1 (en) 2012-08-31 2017-12-06 Telefonaktiebolaget LM Ericsson (publ) Method and device for voice activity detection
US9589570B2 (en) * 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates
ES2900594T3 (es) * 2012-11-13 2022-03-17 Samsung Electronics Co Ltd Procedimiento para determinar un modo de codificación
EP2954635B1 (en) * 2013-02-19 2021-07-28 Huawei Technologies Co., Ltd. Frame structure for filter bank multi-carrier (fbmc) waveforms
CN105074819B (zh) * 2013-02-20 2019-06-04 弗劳恩霍夫应用研究促进协会 使用多重叠部分来生成经编码的信号或对经编码的音频信号进行解码的设备及方法
CN106409313B (zh) * 2013-08-06 2021-04-20 华为技术有限公司 一种音频信号分类方法和装置
US9666202B2 (en) * 2013-09-10 2017-05-30 Huawei Technologies Co., Ltd. Adaptive bandwidth extension and apparatus for the same
KR101498113B1 (ko) * 2013-10-23 2015-03-04 광주과학기술원 사운드 신호의 대역폭 확장 장치 및 방법
KR102354331B1 (ko) * 2014-02-24 2022-01-21 삼성전자주식회사 신호 분류 방법 및 장치, 및 이를 이용한 오디오 부호화방법 및 장치
CN107452390B (zh) 2014-04-29 2021-10-26 华为技术有限公司 音频编码方法及相关装置
RU2765985C2 (ru) 2014-05-15 2022-02-07 Телефонактиеболагет Лм Эрикссон (Пабл) Классификация и кодирование аудиосигналов
CN107424621B (zh) * 2014-06-24 2021-10-26 华为技术有限公司 音频编码方法和装置
US9886963B2 (en) 2015-04-05 2018-02-06 Qualcomm Incorporated Encoder selection
CN113035212B (zh) * 2015-05-20 2025-06-17 瑞典爱立信有限公司 多声道音频信号的编码
US10706873B2 (en) * 2015-09-18 2020-07-07 Sri International Real-time speaker state analytics platform
WO2017196422A1 (en) * 2016-05-12 2017-11-16 Nuance Communications, Inc. Voice activity detection feature based on modulation-phase differences
US10699538B2 (en) * 2016-07-27 2020-06-30 Neosensory, Inc. Method and system for determining and providing sensory experiences
EP3509549A4 (en) 2016-09-06 2020-04-01 Neosensory, Inc. METHOD AND SYSTEM FOR PROVIDING ADDITIONAL SENSORY INFORMATION TO A USER
CN107895580B (zh) * 2016-09-30 2021-06-01 华为技术有限公司 一种音频信号的重建方法和装置
US10744058B2 (en) 2017-04-20 2020-08-18 Neosensory, Inc. Method and system for providing information to a user
US10325588B2 (en) 2017-09-28 2019-06-18 International Business Machines Corporation Acoustic feature extractor selected according to status flag of frame of acoustic signal
EP3895164B1 (en) 2018-12-13 2022-09-07 Dolby Laboratories Licensing Corporation Method of decoding audio content, decoder for decoding audio content, and corresponding computer program
RU2761940C1 (ru) 2018-12-18 2021-12-14 Общество С Ограниченной Ответственностью "Яндекс" Способы и электронные устройства для идентификации пользовательского высказывания по цифровому аудиосигналу
WO2020214541A1 (en) 2019-04-18 2020-10-22 Dolby Laboratories Licensing Corporation A dialog detector
CN110288983B (zh) * 2019-06-26 2021-10-01 上海电机学院 一种基于机器学习的语音处理方法
US11467667B2 (en) 2019-09-25 2022-10-11 Neosensory, Inc. System and method for haptic stimulation
US11467668B2 (en) 2019-10-21 2022-10-11 Neosensory, Inc. System and method for representing virtual object information with haptic stimulation
US11079854B2 (en) 2020-01-07 2021-08-03 Neosensory, Inc. Method and system for haptic stimulation
JP7813238B2 (ja) * 2020-04-16 2026-02-12 ヴォイスエイジ・コーポレーション サウンドコーデックにおける音声／音楽分類およびコアエンコーダ選択のための方法およびデバイス
US11497675B2 (en) 2020-10-23 2022-11-15 Neosensory, Inc. Method and system for multimodal stimulation
KR20230128541A (ko) * 2021-01-08 2023-09-05 보이세지 코포레이션 사운드 신호를 코딩하기 위한 통합형 시간-영역/주파수-영역에대한 방법 및 디바이스
US11862147B2 (en) 2021-08-13 2024-01-02 Neosensory, Inc. Method and system for enhancing the intelligibility of information for a user
US12272341B2 (en) * 2021-11-08 2025-04-08 Lemon Inc. Controllable music generation
US11995240B2 (en) 2021-11-16 2024-05-28 Neosensory, Inc. Method and system for conveying digital texture information to a user
US12300259B2 (en) 2022-03-10 2025-05-13 Roku, Inc. Automatic classification of audio content as either primarily speech or primarily non-speech, to facilitate dynamic application of dialogue enhancement
CN116070174A (zh) * 2023-03-23 2023-05-05 长沙融创智胜电子科技有限公司 一种多类别目标识别方法及系统
US20250201255A1 (en) * 2023-12-13 2025-06-19 Qualcomm Incorporated Content-based switchable audio codec

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1232084B (it) * 1989-05-03 1992-01-23 Cselt Centro Studi Lab Telecom Sistema di codifica per segnali audio a banda allargata
JPH0490600A (ja) * 1990-08-03 1992-03-24 Sony Corp 音声認識装置
JPH04342298A (ja) * 1991-05-20 1992-11-27 Nippon Telegr & Teleph Corp <Ntt> 瞬時ピッチ分析方法及び有声・無声判定方法
RU2049456C1 (ru) * 1993-06-22 1995-12-10 Вячеслав Алексеевич Сапрыкин Способ передачи речевых сигналов
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
JP3700890B2 (ja) * 1997-07-09 2005-09-28 ソニー株式会社 信号識別装置及び信号識別方法
RU2132593C1 (ru) * 1998-05-13 1999-06-27 Академия управления МВД России Многоканальное устройство для передачи речевых сигналов
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
WO2003046891A1 (en) 2001-11-29 2003-06-05 Coding Technologies Ab Methods for improving high frequency reconstruction
AUPS270902A0 (en) * 2002-05-31 2002-06-20 Canon Kabushiki Kaisha Robust detection and classification of objects in audio using limited training data
JP4348970B2 (ja) * 2003-03-06 2009-10-21 ソニー株式会社 情報検出装置及び方法、並びにプログラム
JP2004354589A (ja) * 2003-05-28 2004-12-16 Nippon Telegr & Teleph Corp <Ntt> 音響信号判別方法、音響信号判別装置、音響信号判別プログラム
JP4725803B2 (ja) * 2004-06-01 2011-07-13 日本電気株式会社 情報提供システム及び方法並びに情報提供用プログラム
US7130795B2 (en) * 2004-07-16 2006-10-31 Mindspeed Technologies, Inc. Music detection with low-complexity pitch correlation algorithm
JP4587916B2 (ja) * 2005-09-08 2010-11-24 シャープ株式会社 音声信号判別装置、音質調整装置、コンテンツ表示装置、プログラム、及び記録媒体
JP2010503881A (ja) 2006-09-13 2010-02-04 テレフオンアクチーボラゲット エル エム エリクソン（パブル） 音声・音響送信器及び受信器のための方法及び装置
CN1920947B (zh) * 2006-09-15 2011-05-11 清华大学 用于低比特率音频编码的语音/音乐检测器
KR101186133B1 (ko) * 2006-10-10 2012-09-27 퀄컴 인코포레이티드 오디오 신호들을 인코딩 및 디코딩하는 방법 및 장치
BRPI0718738B1 (pt) * 2006-12-12 2023-05-16 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificador, decodificador e métodos para codificação e decodificação de segmentos de dados representando uma corrente de dados de domínio de tempo
KR100964402B1 (ko) * 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
KR100883656B1 (ko) * 2006-12-28 2009-02-18 삼성전자주식회사 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치
US8428949B2 (en) * 2008-06-30 2013-04-23 Waves Audio Ltd. Apparatus and method for classification and segmentation of audio content, based on the audio signal

Also Published As

Publication number Publication date
MY153562A (en) 2015-02-27
KR20110039254A (ko) 2011-04-15
JP5325292B2 (ja) 2013-10-23
PL2301011T3 (pl) 2019-03-29
TWI441166B (zh) 2014-06-11
RU2507609C2 (ru) 2014-02-20
RU2011104001A (ru) 2012-08-20
MX2011000364A (es) 2011-02-25
EP2301011A1 (en) 2011-03-30
WO2010003521A1 (en) 2010-01-14
CA2730196C (en) 2014-10-21
US8571858B2 (en) 2013-10-29
KR20130036358A (ko) 2013-04-11
TW201009813A (en) 2010-03-01
CO6341505A2 (es) 2011-11-21
BRPI0910793B1 (pt) 2020-11-24
AU2009267507A1 (en) 2010-01-14
ZA201100088B (en) 2011-08-31
JP2011527445A (ja) 2011-10-27
CN102089803B (zh) 2013-02-27
KR101281661B1 (ko) 2013-07-03
AR072863A1 (es) 2010-09-29
KR101380297B1 (ko) 2014-04-02
BRPI0910793A2 (pt) 2016-08-02
PT2301011T (pt) 2018-10-26
CA2730196A1 (en) 2010-01-14
AU2009267507B2 (en) 2012-08-02
ES2684297T3 (es) 2018-10-02
EP2301011B1 (en) 2018-07-25
CN102089803A (zh) 2011-06-08
US20110202337A1 (en) 2011-08-18
HK1158804A1 (en) 2012-07-20

Similar Documents

Publication Publication Date Title
MY153562A (en) Method and discriminator for classifying different segments of a signal
Connolly et al. A review of computer tools for analysing the integration of renewable energy into various energy systems
MX2013001042A (es) Biomarcadores de cancer pancreatico y usos de los mismos.
WO2010096193A3 (en) Identifying a document by performing spectral analysis on the contents of the document
BR112016023534A2 (pt) método e aparelho para um mecanismo aperfeiçoado para selecionar um ponto de acesso
AR097227A1 (es) Dispositivos informáticos y métodos para la señalización condicional de información de modificación de listas de imágenes de referencia
BR112019006689A2 (pt) métodos e sistemas para análise de dados de cromatografia
WO2012019038A3 (en) Assessing features for classification
BRPI0809015A8 (pt) Técnicas para compartilhar informação entre programas de aplicação
WO2012129149A3 (en) Aggregating search results based on associating data instances with knowledge base entities
AR107503A2 (es) Método para predecir la presencia de al menos un rasgo de búsqueda en una planta, método para seleccionar al menos una planta y método para la extracción de un conjunto de datos relacionados
WO2014065889A3 (en) Multiplexed method for diagnosing classical hodgkin lymphoma
BR112014013832A2 (pt) circuito integrado de baixa potência para analisar um fluxo de áudio digitalizado
IN2014DN09363A (pt)
WO2012118997A3 (en) Optimization of social media engagement
MX2014003153A (es) Prediccion de riesgo de evento cardiovascular y usos del mismo.
EA201390638A1 (ru) Обогащение и идентификация фетальных клеток в материнской крови и лиганды для такого применения
BR112015007273A2 (pt) sinalização aprimorada de identificadores de camada para pontos de operação de um codificador de vídeo
WO2014060549A3 (en) Statistical linguistic analysis of source content
WO2011019877A3 (en) Context based resource relevance
MY194297A (en) A method and device for providing search engine label
BR112013012550A2 (pt) método e equipamento para melhorar a gravação de sons em vídeo
BR112014030744A2 (pt) método, um ou mais meios de armazenamento não transitórios legíveis por computador, e um dispositivo geralmente referente ao rastreamento de localização
UY32219A (es) Metodo y sistema de clasificacion de informacion audiovisual
MX2016007148A (es) Metodos de ensayo de beta-glucano.

Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: F27D 1/18 , F27D 11/10 , H05B 7/10 , F16C 32/06

Ipc: G10L 19/20 (2013.01), G10L 19/22 (2013.01), G10L 2

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 24/11/2020, OBSERVADAS AS CONDICOES LEGAIS.

B16C Correction of notification of the grant [chapter 16.3 patent gazette]

Free format text: REF. RPI 2603 DE 24/11/2020 QUANTO AO ENDERECO.