DK4336500T3 - Fremgangsmåder, koder og dekoder til lineær, prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige samplinghastigheder - Google Patents

Fremgangsmåder, koder og dekoder til lineær, prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige samplinghastigheder

Info

Publication number
DK4336500T3
DK4336500T3 DK24153530.1T DK24153530T DK4336500T3 DK 4336500 T3 DK4336500 T3 DK 4336500T3 DK 24153530 T DK24153530 T DK 24153530T DK 4336500 T3 DK4336500 T3 DK 4336500T3
Authority
DK
Denmark
Prior art keywords
coders
decoders
decoding
frames
transition
Prior art date
Application number
DK24153530.1T
Other languages
English (en)
Inventor
Redwan Salami
Vaclav Eksler
Original Assignee
Voiceage Evs 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=54322542&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK4336500(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Evs Llc filed Critical Voiceage Evs Llc
Application granted granted Critical
Publication of DK4336500T3 publication Critical patent/DK4336500T3/da

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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L25/06—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 correlation coefficients
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0016—Codebook for LPC 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DK24153530.1T 2014-04-17 2014-07-25 Fremgangsmåder, koder og dekoder til lineær, prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige samplinghastigheder DK4336500T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201461980865P 2014-04-17 2014-04-17
EP20189482.1A EP3751566B1 (en) 2014-04-17 2014-07-25 Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates

Publications (1)

Publication Number Publication Date
DK4336500T3 true DK4336500T3 (da) 2025-11-24

Family

ID=54322542

Family Applications (3)

Application Number Title Priority Date Filing Date
DK24153530.1T DK4336500T3 (da) 2014-04-17 2014-07-25 Fremgangsmåder, koder og dekoder til lineær, prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige samplinghastigheder
DK18215702.4T DK3511935T3 (da) 2014-04-17 2014-07-25 Fremgangsmåde, indretning og computerlæsbar ikke-flygtig hukommelse til lineær-prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige afsøgningshastigheder
DK20189482.1T DK3751566T3 (da) 2014-04-17 2014-07-25 Fremgangsmåder, koder og afkoder til lineær prædiktiv kodning og afkodning af lydsignaler ved overgang mellem rammer med forskellige sampllingshastigheder

Family Applications After (2)

Application Number Title Priority Date Filing Date
DK18215702.4T DK3511935T3 (da) 2014-04-17 2014-07-25 Fremgangsmåde, indretning og computerlæsbar ikke-flygtig hukommelse til lineær-prædiktiv kodning og afkodning af lydsignaler efter overgang mellem rammer med forskellige afsøgningshastigheder
DK20189482.1T DK3751566T3 (da) 2014-04-17 2014-07-25 Fremgangsmåder, koder og afkoder til lineær prædiktiv kodning og afkodning af lydsignaler ved overgang mellem rammer med forskellige sampllingshastigheder

Country Status (20)

Country Link
US (7) US9852741B2 (da)
EP (5) EP4629237A3 (da)
JP (2) JP6486962B2 (da)
KR (1) KR102222838B1 (da)
CN (2) CN113223540B (da)
AU (1) AU2014391078B2 (da)
BR (2) BR112016022466B1 (da)
CA (2) CA3134652C (da)
DK (3) DK4336500T3 (da)
ES (4) ES2717131T3 (da)
FI (2) FI3751566T3 (da)
HR (3) HRP20251351T1 (da)
HU (2) HUE067149T2 (da)
LT (3) LT3511935T (da)
MX (1) MX362490B (da)
MY (2) MY200591A (da)
RU (1) RU2677453C2 (da)
SI (3) SI3511935T1 (da)
WO (1) WO2015157843A1 (da)
ZA (1) ZA201606016B (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102222838B1 (ko) 2014-04-17 2021-03-04 보이세지 코포레이션 다른 샘플링 레이트들을 가진 프레임들간의 전환시 사운드 신호의 선형 예측 인코딩 및 디코딩을 위한 방법, 인코더 및 디코더
RU2639656C1 (ru) * 2014-04-25 2017-12-21 Нтт Докомо, Инк. Устройство преобразования коэффициентов линейного предсказания и способ преобразования коэффициентов линейного предсказания
PL3139382T3 (pl) 2014-05-01 2019-11-29 Nippon Telegraph & Telephone Urządzenie kodujące sygnał dźwiękowy, sposób kodowania sygnału dźwiękowego, program i nośnik rejestrujący
EP2988300A1 (en) 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
CN107358956B (zh) * 2017-07-03 2020-12-29 中科深波科技（杭州）有限公司 一种语音控制方法及其控制模组
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
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
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
CN114420100B (zh) * 2022-03-30 2022-06-21 中国科学院自动化研究所 语音检测方法及装置、电子设备及存储介质
EP4567789A4 (en) * 2022-10-12 2025-07-30 Samsung Electronics Co Ltd ELECTRONIC DEVICE AND METHOD FOR ADAPTIVELY PROCESSING AN AUDIO BIT STREAM AND NON-TRANSSITORY COMPUTER-READABLE STORAGE MEDIUM

Family Cites Families (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058676A (en) * 1975-07-07 1977-11-15 International Communication Sciences Speech analysis and synthesis system
DE3275784D1 (en) 1981-10-22 1987-04-23 Palomar Syst & Mach Process and plate for processing miniature electronic components
JPS5936279B2 (ja) * 1982-11-22 1984-09-03 博也 藤崎 音声分析処理方式
US4980916A (en) 1989-10-26 1990-12-25 General Electric Company Method for improving speech quality in code excited linear predictive speech coding
US5241692A (en) * 1991-02-19 1993-08-31 Motorola, Inc. Interference reduction system for a speech recognition device
JP3509862B2 (ja) * 1993-05-05 2004-03-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ 少なくとも１個のコーダを有する伝送システム
US5673364A (en) * 1993-12-01 1997-09-30 The Dsp Group Ltd. System and method for compression and decompression of audio signals
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
US5864797A (en) 1995-05-30 1999-01-26 Sanyo Electric Co., Ltd. Pitch-synchronous speech coding by applying multiple analysis to select and align a plurality of types of code vectors
JP4132109B2 (ja) * 1995-10-26 2008-08-13 ソニー株式会社 音声信号の再生方法及び装置、並びに音声復号化方法及び装置、並びに音声合成方法及び装置
US5867814A (en) * 1995-11-17 1999-02-02 National Semiconductor Corporation Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method
JP2778567B2 (ja) 1995-12-23 1998-07-23 日本電気株式会社 信号符号化装置及び方法
CN1146129C (zh) 1996-02-15 2004-04-14 皇家菲利浦电子有限公司 降低了复杂度的信号传输系统和方法
DE19616103A1 (de) * 1996-04-23 1997-10-30 Philips Patentverwaltung Verfahren zum Ableiten charakteristischer Werte aus einem Sprachsignal
US6134518A (en) 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6233550B1 (en) 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
DE19747132C2 (de) * 1997-10-24 2002-11-28 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
JP2000206998A (ja) * 1999-01-13 2000-07-28 Sony Corp 受信装置及び方法、通信装置及び方法
WO2000057401A1 (en) 1999-03-24 2000-09-28 Glenayre Electronics, Inc. Computation and quantization of voiced excitation pulse shapes in linear predictive coding of speech
US6691082B1 (en) * 1999-08-03 2004-02-10 Lucent Technologies Inc Method and system for sub-band hybrid coding
SE9903223L (sv) * 1999-09-09 2001-05-08 Ericsson Telefon Ab L M Förfarande och anordning i telekommunikationssystem
US6636829B1 (en) 1999-09-22 2003-10-21 Mindspeed Technologies, Inc. Speech communication system and method for handling lost frames
CA2290037A1 (en) * 1999-11-18 2001-05-18 Voiceage Corporation Gain-smoothing amplifier device and method in codecs for wideband speech and audio signals
US6732070B1 (en) * 2000-02-16 2004-05-04 Nokia Mobile Phones, Ltd. Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching
FI119576B (fi) * 2000-03-07 2008-12-31 Nokia Corp Puheenkäsittelylaite ja menetelmä puheen käsittelemiseksi, sekä digitaalinen radiopuhelin
US6757654B1 (en) 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
SE0004838D0 (sv) * 2000-12-22 2000-12-22 Ericsson Telefon Ab L M Method and communication apparatus in a communication system
US7155387B2 (en) * 2001-01-08 2006-12-26 Art - Advanced Recognition Technologies Ltd. Noise spectrum subtraction method and system
JP2002251029A (ja) * 2001-02-23 2002-09-06 Ricoh Co Ltd 感光体及びそれを用いた画像形成装置
US6941263B2 (en) * 2001-06-29 2005-09-06 Microsoft Corporation Frequency domain postfiltering for quality enhancement of coded speech
US6895375B2 (en) * 2001-10-04 2005-05-17 At&T Corp. System for bandwidth extension of Narrow-band speech
WO2003058407A2 (en) * 2002-01-08 2003-07-17 Dilithium Networks Pty Limited A transcoding scheme between celp-based speech codes
US6829579B2 (en) * 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
JP3960932B2 (ja) * 2002-03-08 2007-08-15 日本電信電話株式会社 ディジタル信号符号化方法、復号化方法、符号化装置、復号化装置及びディジタル信号符号化プログラム、復号化プログラム
CA2388358A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for multi-rate lattice vector quantization
CA2388352A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US7346013B2 (en) * 2002-07-18 2008-03-18 Coherent Logix, Incorporated Frequency domain equalization of communication signals
US6650258B1 (en) * 2002-08-06 2003-11-18 Analog Devices, Inc. Sample rate converter with rational numerator or denominator
US7337110B2 (en) 2002-08-26 2008-02-26 Motorola, Inc. Structured VSELP codebook for low complexity search
FR2849727B1 (fr) 2003-01-08 2005-03-18 France Telecom Procede de codage et de decodage audio a debit variable
WO2004090870A1 (ja) * 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
JP2004320088A (ja) * 2003-04-10 2004-11-11 Doshisha スペクトル拡散変調信号発生方法
JP4679049B2 (ja) * 2003-09-30 2011-04-27 パナソニック株式会社 スケーラブル復号化装置
CN1677492A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
GB0408856D0 (en) 2004-04-21 2004-05-26 Nokia Corp Signal encoding
WO2006028010A1 (ja) 2004-09-06 2006-03-16 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
US20060235685A1 (en) * 2005-04-15 2006-10-19 Nokia Corporation Framework for voice conversion
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US20060291431A1 (en) * 2005-05-31 2006-12-28 Nokia Corporation Novel pilot sequences and structures with low peak-to-average power ratio
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
WO2006134992A1 (ja) * 2005-06-17 2006-12-21 Matsushita Electric Industrial Co., Ltd. ポストフィルタ、復号化装置及びポストフィルタ処理方法
KR20070119910A (ko) 2006-06-16 2007-12-21 삼성전자주식회사 액정표시장치
US8589151B2 (en) * 2006-06-21 2013-11-19 Harris Corporation Vocoder and associated method that transcodes between mixed excitation linear prediction (MELP) vocoders with different speech frame rates
MY152845A (en) * 2006-10-24 2014-11-28 Voiceage Corp Method and device for coding transition frames in speech signals
US20080120098A1 (en) * 2006-11-21 2008-05-22 Nokia Corporation Complexity Adjustment for a Signal Encoder
JP5264913B2 (ja) 2007-09-11 2013-08-14 ヴォイスエイジ・コーポレーション 話声およびオーディオの符号化における、代数符号帳の高速検索のための方法および装置
US8527265B2 (en) 2007-10-22 2013-09-03 Qualcomm Incorporated Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs
CN101971251B (zh) 2008-03-14 2012-08-08 杜比实验室特许公司 像言语的信号和不像言语的信号的多模式编解码方法及装置
CN101320566B (zh) * 2008-06-30 2010-10-20 中国人民解放军第四军医大学 基于多带谱减法的非空气传导语音增强方法
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
KR101261677B1 (ko) * 2008-07-14 2013-05-06 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
US8463603B2 (en) * 2008-09-06 2013-06-11 Huawei Technologies Co., Ltd. Spectral envelope coding of energy attack signal
CN101853240B (zh) * 2009-03-31 2012-07-04 华为技术有限公司 一种信号周期的估计方法和装置
CN102844810B (zh) 2010-04-14 2017-05-03 沃伊斯亚吉公司 用于在码激励线性预测编码器和解码器中使用的灵活和可缩放的组合式创新代码本
JP5607424B2 (ja) * 2010-05-24 2014-10-15 古野電気株式会社 パルス圧縮装置、レーダ装置、パルス圧縮方法、およびパルス圧縮プログラム
BR122021003887B1 (pt) * 2010-08-12 2021-08-24 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. Reamostrar sinais de saída de codecs de áudio com base em qmf
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
KR101747917B1 (ko) 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
EP2671323B1 (en) * 2011-02-01 2016-10-05 Huawei Technologies Co., Ltd. Method and apparatus for providing signal processing coefficients
TWI488177B (zh) * 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 使用頻譜域雜訊整形之基於線性預測的編碼方案
CN103534754B (zh) 2011-02-14 2015-09-30 弗兰霍菲尔运输应用研究公司 在不活动阶段期间利用噪声合成的音频编解码器
WO2013068634A1 (en) * 2011-11-10 2013-05-16 Nokia Corporation A method and apparatus for detecting audio sampling rate
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
PL3444818T3 (pl) * 2012-10-05 2023-08-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie do kodowania sygnału mowy wykorzystujące ACELP w dziedzinie autokorelacji
JP6345385B2 (ja) 2012-11-01 2018-06-20 株式会社三共 スロットマシン
US9842598B2 (en) * 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
CN103235288A (zh) * 2013-04-17 2013-08-07 中国科学院空间科学与应用研究中心 基于频域的超低旁瓣混沌雷达信号生成及数字实现方法
KR102222838B1 (ko) * 2014-04-17 2021-03-04 보이세지 코포레이션 다른 샘플링 레이트들을 가진 프레임들간의 전환시 사운드 신호의 선형 예측 인코딩 및 디코딩을 위한 방법, 인코더 및 디코더
RU2639656C1 (ru) * 2014-04-25 2017-12-21 Нтт Докомо, Инк. Устройство преобразования коэффициентов линейного предсказания и способ преобразования коэффициентов линейного предсказания
EP2988300A1 (en) * 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices

Also Published As

Publication number Publication date
US11721349B2 (en) 2023-08-08
CA3134652C (en) 2025-07-08
EP4629237A2 (en) 2025-10-08
CA2940657A1 (en) 2015-10-22
LT3751566T (lt) 2024-07-25
ES2717131T3 (es) 2019-06-19
FI4336500T3 (fi) 2025-12-05
US20180137871A1 (en) 2018-05-17
BR112016022466A2 (pt) 2017-08-15
HRP20240674T1 (hr) 2024-08-16
JP6692948B2 (ja) 2020-05-13
ES2976438T3 (es) 2024-08-01
WO2015157843A1 (en) 2015-10-22
AU2014391078A1 (en) 2016-11-03
RU2016144150A3 (da) 2018-05-18
ES3053115T3 (en) 2026-01-19
BR122020015614B1 (pt) 2022-06-07
CN113223540B (zh) 2024-01-09
US20150302861A1 (en) 2015-10-22
ES2827278T3 (es) 2021-05-20
HUE052605T2 (hu) 2021-05-28
US20250356867A1 (en) 2025-11-20
MY200591A (en) 2024-01-04
US11282530B2 (en) 2022-03-22
MY178026A (en) 2020-09-29
KR102222838B1 (ko) 2021-03-04
ZA201606016B (en) 2018-04-25
BR112016022466B1 (pt) 2020-12-08
US20180075856A1 (en) 2018-03-15
CA2940657C (en) 2021-12-21
MX2016012950A (es) 2016-12-07
US10468045B2 (en) 2019-11-05
CN106165013B (zh) 2021-05-04
LT3511935T (lt) 2021-01-11
US20210375296A1 (en) 2021-12-02
CN106165013A (zh) 2016-11-23
HRP20251351T1 (hr) 2025-12-19
EP3132443A4 (en) 2017-11-08
EP3511935A1 (en) 2019-07-17
MX362490B (es) 2019-01-18
DK3751566T3 (da) 2024-04-02
US20200035253A1 (en) 2020-01-30
FI3751566T3 (fi) 2024-04-23
SI3751566T1 (sl) 2024-10-30
JP2019091077A (ja) 2019-06-13
US20230326472A1 (en) 2023-10-12
CN113223540A (zh) 2021-08-06
EP4336500B1 (en) 2025-08-27
KR20160144978A (ko) 2016-12-19
EP3132443B1 (en) 2018-12-26
EP3132443A1 (en) 2017-02-22
US12394425B2 (en) 2025-08-19
US10431233B2 (en) 2019-10-01
JP6486962B2 (ja) 2019-03-20
EP4336500A2 (en) 2024-03-13
EP3751566B1 (en) 2024-02-28
LT4336500T (lt) 2025-12-10
HUE067149T2 (hu) 2024-10-28
SI3511935T1 (sl) 2021-04-30
US9852741B2 (en) 2017-12-26
EP4336500B8 (en) 2025-11-26
AU2014391078B2 (en) 2020-03-26
HRP20201709T1 (hr) 2021-01-22
JP2017514174A (ja) 2017-06-01
EP4629237A3 (en) 2025-12-17
EP4336500A3 (en) 2024-04-03
EP3751566A1 (en) 2020-12-16
EP3511935B1 (en) 2020-10-07
CA3134652A1 (en) 2015-10-22
RU2016144150A (ru) 2018-05-18
RU2677453C2 (ru) 2019-01-16
DK3511935T3 (da) 2020-11-02
SI4336500T1 (sl) 2026-01-30

Similar Documents

Publication Publication Date Title
DK3751566T3 (da) Fremgangsmåder, koder og afkoder til lineær prædiktiv kodning og afkodning af lydsignaler ved overgang mellem rammer med forskellige sampllingshastigheder
PT3164870T (pt) Descodificador e método para descodificação de um sinal de áudio, codificador e método para codificação de um sinal de áudio
ZA202204766B (en) Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
PL3879527T3 (pl) Dekoder audio do dekodowania enkodowanego sygnału audio
EP3509297A4 (en) VIDEO PROCESSING, DECODING METHOD AND FINISHING DEVICE
BR112016001398A2 (pt) Aparelho e método para decodificação e codificação de um sinal de áudio utilizando seleção de porção espectral adaptativa
PL3268962T3 (pl) Dekoder do dekodowania enkodowanego sygnału audio oraz enkoder do enkodowania sygnału audio
EP3605847A4 (en) MULTI-CHANNEL SIGNAL CODING AND DECODING METHOD AND CODEC
SG11201701197TA (en) Audio signal coding apparatus, audio signal decoding apparatus, audio signal coding method, and audio signal decoding method
PL3407351T3 (pl) Sposoby kodowania i dekodowania sygnału audio, dekoder audio i koder audio
ZA201700513B (en) Encoder, decoder, system and methods for encoding and decoding
DK3958572T3 (da) Fremgangsmåde til kodning af multi-visnings-video, fremgangsmåde til afkodning af multi-visnings-video og lagringsmedium dertil
BR112016008544A2 (pt) Codificador para codificar e decodificador para decodificar um sinal de áudio, método para codificar e método para decodificar um sinal de áudio
PL3248190T3 (pl) Sposób kodowania, sposób dekodowania, koder oraz dekoder sygnału audio
EP3392881A4 (en) Audio acoustics signal encoding apparatus, audio acoustics signal decoding apparatus, audio acoustics signal encoding method, and audio acoustics signal decoding method
PL3696812T3 (pl) Koder, dekoder, sposób kodowania, sposób dekodowania, program kodujący, program dekodujący i nośnik rejestrujący
DK4343763T3 (da) Indretning til at konvertere en lineær forudsigelseskoefficient og fremgangsmåde til at konvertere en lineær forudsigelseskoefficient til kodning af tale og lyd
BR112017002313A2 (pt) codificador para codificar um vídeo de entrada de alto alcance dinâmico, método para codificar um vídeo de entrada de alto alcance dinâmico, decodificador de vídeo para decodificar um vídeo de entrada de alto alcance dinâmico, e, método de decodificação de vídeo de um conjunto de imagens de vídeo de alto alcance dinâmico
TH1501007968B (th) วิธีการและอุปกรณ์สำหรับเข้ารหัสและถอดรหัสสัญญาณ