BRPI0914056A2 - multiresolution switchable encoding and decoding scheme - Google Patents

multiresolution switchable encoding and decoding scheme

Info

Publication number
BRPI0914056A2
BRPI0914056A2 BRPI0914056A BRPI0914056A BRPI0914056A2 BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2 BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A BRPI0914056 A BR PI0914056A BR PI0914056 A2 BRPI0914056 A2 BR PI0914056A2
Authority
BR
Brazil
Prior art keywords
multiresolution
switchable
encoding
decoding scheme
decoding
Prior art date
Application number
BRPI0914056A
Other languages
Portuguese (pt)
Inventor
Bayer Stefan
Fuchs Guillaume
Geiger Ralf
Gournay Philippe
Grill Bernhard
Lecomte Jérémie
Multrus Markus
Nagel Frederik
Neuendorf Max
Rettelbach Nikolaus
Robilliard Julien
Salami Redwan
Original Assignee
Fraunhofer Ges Forschung
Voiceage 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
Priority claimed from EP09002271A external-priority patent/EP2144230A1/en
Application filed by Fraunhofer Ges Forschung, Voiceage Corp filed Critical Fraunhofer Ges Forschung
Publication of BRPI0914056A2 publication Critical patent/BRPI0914056A2/en
Publication of BRPI0914056B1 publication Critical patent/BRPI0914056B1/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02Speech 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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0914056-5A 2008-10-08 2009-10-07 MULTI-RESOLUTION SWITCHED AUDIO CODING / DECODING SCHEME BRPI0914056B1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US10382508P 2008-10-08 2008-10-08
EP08017663.9 2008-10-08
EP08017663 2008-10-08
US61/103,825 2008-10-08
EP09002271.6 2009-02-18
EP09002271A EP2144230A1 (en) 2008-07-11 2009-02-18 Low bitrate audio encoding/decoding scheme having cascaded switches
PCT/EP2009/007205 WO2010040522A2 (en) 2008-10-08 2009-10-07 Multi-resolution switched audio encoding/decoding scheme

Publications (2)

Publication Number Publication Date
BRPI0914056A2 true BRPI0914056A2 (en) 2015-11-03
BRPI0914056B1 BRPI0914056B1 (en) 2019-07-02

Family

ID=42101010

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0914056-5A BRPI0914056B1 (en) 2008-10-08 2009-10-07 MULTI-RESOLUTION SWITCHED AUDIO CODING / DECODING SCHEME

Country Status (14)

Country Link
EP (2) EP3640941A1 (en)
JP (1) JP5555707B2 (en)
KR (3) KR20130069833A (en)
CN (1) CN102177426B (en)
AR (1) AR076060A1 (en)
BR (1) BRPI0914056B1 (en)
CA (1) CA2739736C (en)
CO (1) CO6362072A2 (en)
MX (1) MX2011003824A (en)
MY (1) MY154633A (en)
RU (1) RU2520402C2 (en)
TW (2) TWI419148B (en)
WO (1) WO2010040522A2 (en)
ZA (1) ZA201102537B (en)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2460158A4 (en) 2009-07-27 2013-09-04 A method and an apparatus for processing an audio signal
EP2478520A4 (en) * 2009-09-17 2013-08-28 Univ Yonsei Iacf A method and an apparatus for processing an audio signal
WO2011147950A1 (en) * 2010-05-28 2011-12-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low-delay unified speech and audio codec
US9275650B2 (en) 2010-06-14 2016-03-01 Panasonic Corporation Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs
HUE039862T2 (en) 2010-07-02 2019-02-28 Dolby Int Ab Audio decoding with selective post filtering
PT3751564T (en) * 2010-07-20 2023-01-06 Fraunhofer Ges Forschung Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using an optimized hash table
RU2560788C2 (en) 2011-02-14 2015-08-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Device and method for processing of decoded audio signal in spectral band
CN105304090B (en) 2011-02-14 2019-04-09 弗劳恩霍夫应用研究促进协会 Using the prediction part of alignment by audio-frequency signal coding and decoded apparatus and method
JP5849106B2 (en) 2011-02-14 2016-01-27 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン Apparatus and method for error concealment in low delay integrated speech and audio coding
PT2676270T (en) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Coding a portion of an audio signal using a transient detection and a quality result
JP5625126B2 (en) 2011-02-14 2014-11-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン Linear prediction based coding scheme using spectral domain noise shaping
TWI488176B (en) * 2011-02-14 2015-06-11 Fraunhofer Ges Forschung Encoding and decoding of pulse positions of tracks of an audio signal
MX2013009305A (en) 2011-02-14 2013-10-03 Fraunhofer Ges Forschung Noise generation in audio codecs.
JP5800915B2 (en) 2011-02-14 2015-10-28 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ Encoding and decoding the pulse positions of tracks of audio signals
SG185519A1 (en) 2011-02-14 2012-12-28 Fraunhofer Ges Forschung Information signal representation using lapped transform
TWI480857B (en) 2011-02-14 2015-04-11 Fraunhofer Ges Forschung Audio codec using noise synthesis during inactive phases
EP2700072A4 (en) 2011-04-21 2016-01-20 Samsung Electronics Co Ltd Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for de-quantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefor
RU2619710C2 (en) 2011-04-21 2017-05-17 Самсунг Электроникс Ко., Лтд. Method of encoding coefficient quantization with linear prediction, sound encoding method, method of decoding coefficient quantization with linear prediction, sound decoding method and record medium
CN106157968B (en) * 2011-06-30 2019-11-29 三星电子株式会社 For generating the device and method of bandwidth expansion signal
CN104040624B (en) 2011-11-03 2017-03-01 沃伊斯亚吉公司 Improve the non-voice context of low rate code Excited Linear Prediction decoder
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
US9489962B2 (en) * 2012-05-11 2016-11-08 Panasonic Corporation Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method
EP3933836A1 (en) 2012-11-13 2022-01-05 Samsung Electronics Co., Ltd. Method and apparatus for determining encoding mode, method and apparatus for encoding audio signals, and method and apparatus for decoding audio signals
BR112015014212B1 (en) * 2012-12-21 2021-10-19 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. GENERATION OF A COMFORT NOISE WITH HIGH SPECTRO-TEMPORAL RESOLUTION IN DISCONTINUOUS TRANSMISSION OF AUDIO SIGNALS
WO2014096280A1 (en) 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Comfort noise addition for modeling background noise at low bit-rates
CN103915100B (en) * 2013-01-07 2019-02-15 中兴通讯股份有限公司 A kind of coding mode switching method and apparatus, decoding mode switching method and apparatus
JP6218855B2 (en) * 2013-01-29 2017-10-25 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. AUDIO ENCODER, AUDIO DECODER, SYSTEM, METHOD, AND COMPUTER PROGRAM USING INCREASED TEMPERATURE RESOLUTION IN TEMPERATURE PROXIMITY OF ON-SET OR OFFSET OF FLUSION OR BRUSTING
EP3451334B1 (en) 2013-01-29 2020-04-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Noise filling concept
MX346945B (en) 2013-01-29 2017-04-06 Fraunhofer Ges Forschung Apparatus and method for generating a frequency enhancement signal using an energy limitation operation.
JP6253674B2 (en) 2013-01-29 2017-12-27 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ Apparatus and method for processing an encoded signal, and encoder and method for generating an encoded signal
JP6181773B2 (en) 2013-01-29 2017-08-16 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン Noise filling without side information for CELP coder
WO2014159898A1 (en) 2013-03-29 2014-10-02 Dolby Laboratories Licensing Corporation Methods and apparatuses for generating and using low-resolution preview tracks with high-quality encoded object and multichannel audio signals
EP2804176A1 (en) 2013-05-13 2014-11-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio object separation from mixture signal using object-specific time/frequency resolutions
EP3605532B1 (en) 2013-05-24 2021-09-29 Dolby International AB Audio encoder
EP2830058A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequency-domain audio coding supporting transform length switching
TWI557726B (en) * 2013-08-29 2016-11-11 杜比國際公司 System and method for determining a master scale factor band table for a highband signal of an audio signal
EP2980791A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions
CN106448688B (en) 2014-07-28 2019-11-05 华为技术有限公司 Audio coding method and relevant apparatus
EP2980795A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor
WO2016052191A1 (en) * 2014-09-30 2016-04-07 ソニー株式会社 Transmitting device, transmission method, receiving device, and receiving method
EP3067886A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
KR102398124B1 (en) * 2015-08-11 2022-05-17 삼성전자주식회사 Adaptive processing of audio data
US10134412B2 (en) * 2015-09-03 2018-11-20 Shure Acquisition Holdings, Inc. Multiresolution coding and modulation system
EP3699909A1 (en) 2015-09-25 2020-08-26 VoiceAge Corporation Method and system for encoding a stereo sound signal using coding parameters of a primary channel to encode a secondary channel
EP3182411A1 (en) 2015-12-14 2017-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an encoded audio signal
CN105632542B (en) * 2015-12-23 2019-05-28 小米科技有限责任公司 Audio frequency playing method and device
US9959877B2 (en) * 2016-03-18 2018-05-01 Qualcomm Incorporated Multi channel coding
EP3443557B1 (en) * 2016-04-12 2020-05-20 Fraunhofer Gesellschaft zur Förderung der Angewand Audio encoder for encoding an audio signal, method for encoding an audio signal and computer program under consideration of a detected peak spectral region in an upper frequency band
US10362423B2 (en) * 2016-10-13 2019-07-23 Qualcomm Incorporated Parametric audio decoding
CN107404625B (en) * 2017-07-18 2020-10-16 海信视像科技股份有限公司 Sound effect processing method and device of terminal
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483878A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
CN111670439A (en) 2017-12-19 2020-09-15 杜比国际公司 Method and apparatus system for unified speech and audio decoding improvement
US10957331B2 (en) * 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
US10847172B2 (en) 2018-12-17 2020-11-24 Microsoft Technology Licensing, Llc Phase quantization in a speech encoder
CN113574889B (en) * 2019-03-14 2024-01-12 北京字节跳动网络技术有限公司 Signaling and syntax of loop shaping information
US20230179764A1 (en) * 2021-12-06 2023-06-08 Tencent America LLC Arrangement of adaptive loop filter coefficients for fast vectorized transpositions

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3317470B2 (en) * 1995-03-28 2002-08-26 日本電信電話株式会社 Audio signal encoding method and audio signal decoding method
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5848391A (en) * 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
DE19706516C1 (en) * 1997-02-19 1998-01-15 Fraunhofer Ges Forschung Encoding method for discrete signals and decoding of encoded discrete signals
RU2214047C2 (en) * 1997-11-19 2003-10-10 Самсунг Электроникс Ко., Лтд. Method and device for scalable audio-signal coding/decoding
JP3211762B2 (en) * 1997-12-12 2001-09-25 日本電気株式会社 Audio and music coding
ES2247741T3 (en) * 1998-01-22 2006-03-01 Deutsche Telekom Ag SIGNAL CONTROLLED SWITCHING METHOD BETWEEN AUDIO CODING SCHEMES.
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US6963842B2 (en) * 2001-09-05 2005-11-08 Creative Technology Ltd. Efficient system and method for converting between different transform-domain signal representations
DE10217297A1 (en) * 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Device and method for coding a discrete-time audio signal and device and method for decoding coded audio data
US7043423B2 (en) * 2002-07-16 2006-05-09 Dolby Laboratories Licensing Corporation Low bit-rate audio coding systems and methods that use expanding quantizers with arithmetic coding
US7424434B2 (en) * 2002-09-04 2008-09-09 Microsoft Corporation Unified lossy and lossless audio compression
KR101169596B1 (en) * 2003-04-17 2012-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. Audio signal synthesis
JP2007506986A (en) * 2003-09-17 2007-03-22 北京阜国数字技術有限公司 Multi-resolution vector quantization audio CODEC method and apparatus
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
FI118835B (en) * 2004-02-23 2008-03-31 Nokia Corp Select end of a coding model
US7596486B2 (en) * 2004-05-19 2009-09-29 Nokia Corporation Encoding an audio signal using different audio coder modes
US8744862B2 (en) * 2006-08-18 2014-06-03 Digital Rise Technology Co., Ltd. Window selection based on transient detection and location to provide variable time resolution in processing frame-based data
US20090281812A1 (en) * 2006-01-18 2009-11-12 Lg Electronics Inc. Apparatus and Method for Encoding and Decoding Signal
CN102395033B (en) * 2006-12-12 2014-08-27 弗劳恩霍夫应用研究促进协会 Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
KR100883656B1 (en) * 2006-12-28 2009-02-18 삼성전자주식회사 Method and apparatus for discriminating audio signal, and method and apparatus for encoding/decoding audio signal using it

Also Published As

Publication number Publication date
EP2345030A2 (en) 2011-07-20
TWI419148B (en) 2013-12-11
CA2739736C (en) 2015-12-01
ZA201102537B (en) 2011-12-28
MX2011003824A (en) 2011-05-02
RU2011117699A (en) 2012-11-10
KR20130133917A (en) 2013-12-09
JP5555707B2 (en) 2014-07-23
EP3640941A1 (en) 2020-04-22
CN102177426A (en) 2011-09-07
AU2009301358A1 (en) 2010-04-15
TWI520128B (en) 2016-02-01
CA2739736A1 (en) 2010-04-15
WO2010040522A2 (en) 2010-04-15
JP2012505423A (en) 2012-03-01
AU2009301358A8 (en) 2011-05-26
KR20110081291A (en) 2011-07-13
KR20130069833A (en) 2013-06-26
TW201344679A (en) 2013-11-01
TW201142827A (en) 2011-12-01
CN102177426B (en) 2014-11-05
RU2520402C2 (en) 2014-06-27
MY154633A (en) 2015-07-15
WO2010040522A3 (en) 2010-09-02
AR076060A1 (en) 2011-05-18
KR101403115B1 (en) 2014-06-27
CO6362072A2 (en) 2012-01-20
BRPI0914056B1 (en) 2019-07-02

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B15K Others concerning applications: alteration of classification

Ipc: G01L 19/02 (2006.01), G10L 19/24 (2013.01), G10L 1

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