PL3598446T3 - Transpozycja harmonicznych rozszerzona o iloczyn wektorowy - Google Patents

Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Info

Publication number
PL3598446T3
PL3598446T3 PL19171998T PL19171998T PL3598446T3 PL 3598446 T3 PL3598446 T3 PL 3598446T3 PL 19171998 T PL19171998 T PL 19171998T PL 19171998 T PL19171998 T PL 19171998T PL 3598446 T3 PL3598446 T3 PL 3598446T3
Authority
PL
Poland
Prior art keywords
cross product
harmonic transposition
product enhanced
enhanced harmonic
transposition
Prior art date
Application number
PL19171998T
Other languages
English (en)
Inventor
Lars Villemoes
Per Hedelin
Original Assignee
Dolby International Ab
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 Dolby International Ab filed Critical Dolby International Ab
Publication of PL3598446T3 publication Critical patent/PL3598446T3/pl

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
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • 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
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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 using subband decomposition
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G10L21/0388Details of processing therefor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Auxiliary Devices For Music (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Fats And Perfumes (AREA)
PL19171998T 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy PL3598446T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14522309P 2009-01-16 2009-01-16
EP10701342.7A EP2380172B1 (en) 2009-01-16 2010-01-15 Cross product enhanced harmonic transposition
PCT/EP2010/050483 WO2010081892A2 (en) 2009-01-16 2010-01-15 Cross product enhanced harmonic transposition
EP13164569.9A EP2620941B1 (en) 2009-01-16 2010-01-15 Cross product enhanced harmonic transposition
EP19171998.8A EP3598446B1 (en) 2009-01-16 2010-01-15 Cross product enhanced harmonic transposition

Publications (1)

Publication Number Publication Date
PL3598446T3 true PL3598446T3 (pl) 2022-03-28

Family

ID=42077387

Family Applications (10)

Application Number Title Priority Date Filing Date
PL19171998T PL3598446T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL21209274.6T PL3992966T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL13164569T PL2620941T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25159062.6T PL4535354T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25151658.9T PL4517749T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL19171999T PL3598447T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL23210729.2T PL4300495T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25180486.0T PL4586249T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL19171997T PL3598445T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL22199586.3T PL4145446T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Family Applications After (9)

Application Number Title Priority Date Filing Date
PL21209274.6T PL3992966T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL13164569T PL2620941T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25159062.6T PL4535354T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25151658.9T PL4517749T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL19171999T PL3598447T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL23210729.2T PL4300495T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL25180486.0T PL4586249T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL19171997T PL3598445T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL22199586.3T PL4145446T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Country Status (21)

Country Link
US (10) US8818541B2 (pl)
EP (12) EP4586249B1 (pl)
JP (2) JP5237465B2 (pl)
KR (2) KR101256808B1 (pl)
CN (2) CN103632678B (pl)
AU (1) AU2010205583B2 (pl)
BR (3) BRPI1007050B1 (pl)
CA (8) CA2926491C (pl)
CL (1) CL2011001717A1 (pl)
ES (11) ES2427278T3 (pl)
HU (3) HUE072698T2 (pl)
MX (1) MX2011007563A (pl)
MY (7) MY180550A (pl)
PL (10) PL3598446T3 (pl)
RU (5) RU2495505C2 (pl)
SG (1) SG172976A1 (pl)
TR (1) TR201910073T4 (pl)
TW (2) TWI430264B (pl)
UA (1) UA99878C2 (pl)
WO (1) WO2010081892A2 (pl)
ZA (1) ZA201105923B (pl)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3598446T3 (pl) 2009-01-16 2022-03-28 Dolby International Ab Transpozycja harmonicznych rozszerzona o iloczyn wektorowy
PL3751570T3 (pl) 2009-01-28 2022-03-07 Dolby International Ab Ulepszona transpozycja harmonicznych
RU2493618C2 (ru) 2009-01-28 2013-09-20 Долби Интернешнл Аб Усовершенствованное гармоническое преобразование
RU2452044C1 (ru) 2009-04-02 2012-05-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот
EP2239732A1 (en) * 2009-04-09 2010-10-13 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
TWI675367B (zh) 2009-05-27 2019-10-21 瑞典商杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
US8971551B2 (en) 2009-09-18 2015-03-03 Dolby International Ab Virtual bass synthesis using harmonic transposition
TWI404050B (zh) * 2009-06-08 2013-08-01 Mstar Semiconductor Inc 多聲道音頻信號解碼方法與裝置
EP2306456A1 (en) * 2009-09-04 2011-04-06 Thomson Licensing Method for decoding an audio signal that has a base layer and an enhancement layer
JP5433022B2 (ja) 2009-09-18 2014-03-05 ドルビー インターナショナル アーベー 高調波転換
JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
EP3998606B8 (en) 2009-10-21 2022-12-07 Dolby International AB Oversampling in a combined transposer filter bank
ES3025712T3 (en) 2010-01-19 2025-06-09 Dolby Int Ab Improved subband block based harmonic transposition
JP5652658B2 (ja) 2010-04-13 2015-01-14 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
KR101964180B1 (ko) 2010-07-19 2019-04-01 돌비 인터네셔널 에이비 고주파 복원 동안 오디오 신호들의 프로세싱
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
IL313284B2 (en) * 2010-09-16 2025-05-01 Dolby Int Ab Method and system for cross product enhanced subband block based harmonic transposition
AU2015202647B2 (en) * 2010-09-16 2017-05-11 Dolby International Ab Cross product enhanced subband block based harmonic transposition
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US8675881B2 (en) * 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
RU2586597C2 (ru) 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодирование и декодирование позиций импульсов дорожек аудиосигнала
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
CN103493129B (zh) 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
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
EP3567589B1 (en) * 2011-02-18 2022-04-06 Ntt Docomo, Inc. Speech encoder and speech encoding method
ES2592522T3 (es) 2011-11-02 2016-11-30 Telefonaktiebolaget L M Ericsson (Publ) Codificación de audio basada en representación de coeficientes auto-regresivos
CN103918029B (zh) 2011-11-11 2016-01-20 杜比国际公司 使用过采样谱带复制的上采样
US20130162901A1 (en) * 2011-12-22 2013-06-27 Silicon Image, Inc. Ringing suppression in video scalers
US8917197B2 (en) * 2012-01-03 2014-12-23 Nucript LLC System and method for improving performance of photonic samplers
KR101816506B1 (ko) * 2012-02-23 2018-01-09 돌비 인터네셔널 에이비 고 주파수 오디오 콘텐트의 효율적인 복구를 위한 방법들 및 시스템들
CN106409299B (zh) * 2012-03-29 2019-11-05 华为技术有限公司 信号编码和解码的方法和设备
EP2907324B1 (en) * 2012-10-15 2016-11-09 Dolby International AB System and method for reducing latency in transposer-based virtual bass systems
CN105551497B (zh) * 2013-01-15 2019-03-19 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
CN109346101B (zh) * 2013-01-29 2024-05-24 弗劳恩霍夫应用研究促进协会 产生频率增强音频信号的译码器和产生编码信号的编码器
US9881624B2 (en) 2013-05-15 2018-01-30 Samsung Electronics Co., Ltd. Method and device for encoding and decoding audio signal
WO2014199632A1 (ja) * 2013-06-11 2014-12-18 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音響信号の帯域幅拡張を行う装置及び方法
EP2830063A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for decoding an encoded audio signal
US9875746B2 (en) 2013-09-19 2018-01-23 Sony Corporation Encoding device and method, decoding device and method, and program
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
RU2764260C2 (ru) 2013-12-27 2022-01-14 Сони Корпорейшн Устройство и способ декодирования
DE102014003057B4 (de) * 2014-03-10 2018-06-14 Ask Industries Gmbh Verfahren zur Rekonstruierung hoher Frequenzen bei verlustbehafteter Audiokomprimierung
US9306606B2 (en) * 2014-06-10 2016-04-05 The Boeing Company Nonlinear filtering using polyphase filter banks
EP2963648A1 (en) * 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio processor and method for processing an audio signal using vertical phase correction
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
EP2980792A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an enhanced signal using independent noise-filling
EP2980798A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonicity-dependent controlling of a harmonic filter tool
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
TWI890652B (zh) 2015-03-13 2025-07-11 瑞典商杜比國際公司 音訊處理單元、用於將經編碼的音訊位元流解碼之方法以及非暫態電腦可讀媒體
US10129659B2 (en) 2015-05-08 2018-11-13 Doly International AB Dialog enhancement complemented with frequency transposition
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
US10847170B2 (en) * 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9454343B1 (en) 2015-07-20 2016-09-27 Tls Corp. Creating spectral wells for inserting watermarks in audio signals
US9311924B1 (en) 2015-07-20 2016-04-12 Tls Corp. Spectral wells for inserting watermarks in audio signals
US10115404B2 (en) 2015-07-24 2018-10-30 Tls Corp. Redundancy in watermarking audio signals that have speech-like properties
US9626977B2 (en) 2015-07-24 2017-04-18 Tls Corp. Inserting watermarks into audio signals that have speech-like properties
TW202546814A (zh) 2017-03-23 2025-12-01 瑞典商都比國際公司 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合
US10573326B2 (en) * 2017-04-05 2020-02-25 Qualcomm Incorporated Inter-channel bandwidth extension
CN108108333B (zh) * 2017-05-02 2021-10-19 大连民族大学 一种伪双谱分离具有相同谐波频率成分信号的方法
WO2019145955A1 (en) 2018-01-26 2019-08-01 Hadasit Medical Research Services & Development Limited Non-metallic magnetic resonance contrast agent
IL324371A (en) * 2018-04-25 2026-01-01 Dolby Int Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
BR112020021832A2 (pt) 2018-04-25 2021-02-23 Dolby International Ab integração de técnicas de reconstrução de alta frequência
CN109003621B (zh) * 2018-09-06 2021-06-04 广州酷狗计算机科技有限公司 一种音频处理方法、装置及存储介质
CN109036457B (zh) 2018-09-10 2021-10-08 广州酷狗计算机科技有限公司 恢复音频信号的方法和装置
CN110244290A (zh) * 2019-06-17 2019-09-17 电子科技大学 一种距离扩展目标的检测方法
CN114627882B (zh) * 2022-04-12 2025-06-06 腾讯音乐娱乐科技(深圳)有限公司 音频处理方法、电子设备及计算机可读存储介质

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048443A (en) 1975-12-12 1977-09-13 Bell Telephone Laboratories, Incorporated Digital speech communication system for minimizing quantizing noise
US4998072A (en) * 1990-02-20 1991-03-05 John Fluke Mfg. Co., Inc. High resolution direct digital synthesizer
SE501305C2 (sv) 1993-05-26 1995-01-09 Ericsson Telefon Ab L M Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler
KR100289733B1 (ko) 1994-06-30 2001-05-15 윤종용 디지탈 오디오 부호화 방법 및 장치
JP3606388B2 (ja) 1994-10-31 2005-01-05 ソニー株式会社 オーデイオデータ再生方法及びオーデイオデータ再生装置
US5781880A (en) * 1994-11-21 1998-07-14 Rockwell International Corporation Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual
TW303410B (en) 1996-04-19 1997-04-21 Kok Hua Liow Improved construction products and methods
US6252965B1 (en) 1996-09-19 2001-06-26 Terry D. Beard Multichannel spectral mapping audio apparatus and method
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
RU2256293C2 (ru) * 1997-06-10 2005-07-10 Коудинг Технолоджиз Аб Усовершенствование исходного кодирования с использованием дублирования спектральной полосы
US5856674A (en) 1997-09-16 1999-01-05 Eaton Corporation Filament for ion implanter plasma shower
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6978236B1 (en) 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
KR100675309B1 (ko) 1999-11-16 2007-01-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 광대역 오디오 송신 시스템, 송신기, 수신기, 코딩 디바이스, 디코딩 디바이스와, 송신 시스템에서 사용하기 위한 코딩 방법 및 디코딩 방법
GB0003954D0 (en) 2000-02-18 2000-04-12 Radioscape Ltd Method of and apparatus for converting a signal between data compression formats
US7742927B2 (en) 2000-04-18 2010-06-22 France Telecom Spectral enhancing method and device
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
DE60000185T2 (de) 2000-05-26 2002-11-28 Lucent Technologies Inc., Murray Hill Verfahren und Vorrichtung zur Audiokodierung und -dekodierung mittels Verschachtelung geglätteter Hüllkurven kritischer Bänder höherer Frequenzen
US7003467B1 (en) 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
EP1199711A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Encoding of audio signal using bandwidth expansion
SE0004163D0 (sv) 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
SE0004818D0 (sv) 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
US6889182B2 (en) * 2001-01-12 2005-05-03 Telefonaktiebolaget L M Ericsson (Publ) Speech bandwidth extension
US7013269B1 (en) * 2001-02-13 2006-03-14 Hughes Electronics Corporation Voicing measure for a speech CODEC system
FR2821475B1 (fr) 2001-02-23 2003-05-09 France Telecom Procede et dispositif de reconstruction spectrale de signaux a plusieurs voies, notamment de signaux stereophoniques
FR2821501B1 (fr) 2001-02-23 2004-07-16 France Telecom Procede et dispositif de reconstruction spectrale d'un signal a spectre incomplet et systeme de codage/decodage associe
SE0101175D0 (sv) 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
WO2003003345A1 (en) 2001-06-29 2003-01-09 Kabushiki Kaisha Kenwood Device and method for interpolating frequency components of signal
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
AU2002318813B2 (en) * 2001-07-13 2004-04-29 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
US7333929B1 (en) 2001-09-13 2008-02-19 Chmounk Dmitri V Modular scalable compressed audio data stream
JP3926726B2 (ja) * 2001-11-14 2007-06-06 松下電器産業株式会社 符号化装置および復号化装置
WO2003046891A1 (en) 2001-11-29 2003-06-05 Coding Technologies Ab Methods for improving high frequency reconstruction
US7065491B2 (en) 2002-02-15 2006-06-20 National Central University Inverse-modified discrete cosine transform and overlap-add method and hardware structure for MPEG layer3 audio signal decoding
ES2261974T3 (es) 2002-08-01 2006-11-16 Matsushita Electric Industrial Co., Ltd. Parato decodificador y metodo de decodificacion audio basado en una duplicacion de banda espectral.
JP3879922B2 (ja) 2002-09-12 2007-02-14 ソニー株式会社 信号処理システム、信号処理装置および方法、記録媒体、並びにプログラム
US20040083094A1 (en) 2002-10-29 2004-04-29 Texas Instruments Incorporated Wavelet-based compression and decompression of audio sample sets
KR100501930B1 (ko) 2002-11-29 2005-07-18 삼성전자주식회사 적은 계산량으로 고주파수 성분을 복원하는 오디오 디코딩방법 및 장치
RU2244386C2 (ru) 2003-03-28 2005-01-10 Корпорация "Самсунг Электроникс" Способ восстановления высокочастотной составляющей аудиосигнала и устройство для его реализации
SE0301272D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Adaptive voice enhancement for low bit rate audio coding
WO2005027095A1 (ja) * 2003-09-16 2005-03-24 Matsushita Electric Industrial Co., Ltd. 符号化装置および復号化装置
US7447317B2 (en) 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
JP4767687B2 (ja) * 2003-10-07 2011-09-07 パナソニック株式会社 スペクトル包絡線符号化のための時間境界及び周波数分解能の決定方法
BRPI0415464B1 (pt) 2003-10-23 2019-04-24 Panasonic Intellectual Property Management Co., Ltd. Aparelho e método de codificação de espectro.
US7668711B2 (en) * 2004-04-23 2010-02-23 Panasonic Corporation Coding equipment
RU2500043C2 (ru) * 2004-11-05 2013-11-27 Панасоник Корпорэйшн Кодер, декодер, способ кодирования и способ декодирования
RU2386179C2 (ru) * 2005-04-01 2010-04-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования речевых сигналов с расщеплением полосы
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
WO2006126844A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US8311840B2 (en) * 2005-06-28 2012-11-13 Qnx Software Systems Limited Frequency extension of harmonic signals
KR101171098B1 (ko) 2005-07-22 2012-08-20 삼성전자주식회사 혼합 구조의 스케일러블 음성 부호화 방법 및 장치
KR100717058B1 (ko) 2005-11-28 2007-05-14 삼성전자주식회사 고주파 성분 복원 방법 및 그 장치
US20070121953A1 (en) 2005-11-28 2007-05-31 Mediatek Inc. Audio decoding system and method
JP2007171339A (ja) * 2005-12-20 2007-07-05 Kenwood Corp オーディオ信号処理装置
JP4548348B2 (ja) 2006-01-18 2010-09-22 カシオ計算機株式会社 音声符号化装置及び音声符号化方法
CN101089951B (zh) * 2006-06-16 2011-08-31 北京天籁传音数字技术有限公司 频带扩展编码方法及装置和解码方法及装置
US20070299655A1 (en) 2006-06-22 2007-12-27 Nokia Corporation Method, Apparatus and Computer Program Product for Providing Low Frequency Expansion of Speech
US20080109215A1 (en) 2006-06-26 2008-05-08 Chi-Min Liu High frequency reconstruction by linear extrapolation
JP2008033269A (ja) 2006-06-26 2008-02-14 Sony Corp デジタル信号処理装置、デジタル信号処理方法およびデジタル信号の再生装置
US8150702B2 (en) 2006-08-04 2012-04-03 Panasonic Corporation Stereo audio encoding device, stereo audio decoding device, and method thereof
KR101435893B1 (ko) * 2006-09-22 2014-09-02 삼성전자주식회사 대역폭 확장 기법 및 스테레오 부호화 기법을 이용한오디오 신호의 부호화/복호화 방법 및 장치
US20080243518A1 (en) 2006-11-16 2008-10-02 Alexey Oraevsky System And Method For Compressing And Reconstructing Audio Files
US8363842B2 (en) 2006-11-30 2013-01-29 Sony Corporation Playback method and apparatus, program, and recording medium
TWI308740B (en) 2007-01-23 2009-04-11 Ind Tech Res Inst Method of a voice signal processing
US20080208575A1 (en) 2007-02-27 2008-08-28 Nokia Corporation Split-band encoding and decoding of an audio signal
JP4905241B2 (ja) * 2007-04-27 2012-03-28 ヤマハ株式会社 高調波生成装置、低音増強装置、およびコンピュータプログラム
US7886303B2 (en) * 2007-05-18 2011-02-08 Mediatek Inc. Method for dynamically adjusting audio decoding process
CN101105940A (zh) 2007-06-27 2008-01-16 北京中星微电子有限公司 音频编解码的量化方法、反变换方法及音频编解码装置
PL3598446T3 (pl) * 2009-01-16 2022-03-28 Dolby International Ab Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Also Published As

Publication number Publication date
US20110305352A1 (en) 2011-12-15
AU2010205583A1 (en) 2011-07-07
HUE072698T2 (hu) 2025-12-28
EP4535354A2 (en) 2025-04-09
EP4586249C0 (en) 2026-02-25
JP2012515362A (ja) 2012-07-05
ES2427278T3 (es) 2013-10-29
EP4586249A2 (en) 2025-07-16
MY180550A (en) 2020-12-02
BR122019023684B1 (pt) 2020-05-05
EP2380172B1 (en) 2013-07-24
US20200273476A1 (en) 2020-08-27
UA99878C2 (ru) 2012-10-10
US9799346B2 (en) 2017-10-24
CA3124108C (en) 2022-08-02
PL3992966T3 (pl) 2023-03-20
EP3598445A1 (en) 2020-01-22
CA3162807C (en) 2024-04-23
RU2638748C2 (ru) 2017-12-15
US20230298606A1 (en) 2023-09-21
HUE072314T2 (hu) 2025-11-28
EP4517749A1 (en) 2025-03-05
ES2901735T3 (es) 2022-03-23
US20240249739A1 (en) 2024-07-25
ZA201105923B (en) 2012-11-28
PL3598447T3 (pl) 2022-02-14
TWI523005B (zh) 2016-02-21
MY208584A (en) 2025-05-19
EP4300495B1 (en) 2025-02-26
TR201910073T4 (tr) 2019-07-22
ES2966639T3 (es) 2024-04-23
CN103632678A (zh) 2014-03-12
US10586550B2 (en) 2020-03-10
US11031025B2 (en) 2021-06-08
KR101589942B1 (ko) 2016-01-29
CA2926491A1 (en) 2010-07-22
US12119011B2 (en) 2024-10-15
EP4517749C0 (en) 2025-07-30
CA3231911A1 (en) 2010-07-22
EP3598446A1 (en) 2020-01-22
ES3037981T3 (en) 2025-10-08
EP3598446B1 (en) 2021-12-22
ES3039286T3 (en) 2025-10-20
ES3066513T3 (en) 2026-05-13
US10192565B2 (en) 2019-01-29
CA2748003A1 (en) 2010-07-22
CN103632678B (zh) 2017-06-06
EP2620941B1 (en) 2019-05-01
EP3598447A1 (en) 2020-01-22
ES2734361T3 (es) 2019-12-05
EP4586249B1 (en) 2026-02-25
HK1162735A1 (en) 2012-08-31
PL3598445T3 (pl) 2021-12-27
MY205241A (en) 2024-10-09
MY203757A (en) 2024-07-17
US20250054507A1 (en) 2025-02-13
ES2938858T3 (es) 2023-04-17
EP3992966B1 (en) 2022-11-23
US20180033446A1 (en) 2018-02-01
US20240194211A1 (en) 2024-06-13
EP3598445B1 (en) 2021-07-07
RU2495505C2 (ru) 2013-10-10
PL4535354T3 (pl) 2025-11-03
TW201413709A (zh) 2014-04-01
TWI430264B (zh) 2014-03-11
PL4145446T3 (pl) 2024-04-08
CA3084938C (en) 2021-08-24
CA2748003C (en) 2016-05-24
TW201128634A (en) 2011-08-16
RU2011133894A (ru) 2013-03-10
CL2011001717A1 (es) 2012-07-20
AU2010205583B2 (en) 2013-02-07
US8818541B2 (en) 2014-08-26
EP3598447B1 (en) 2021-12-01
RU2018130424A3 (pl) 2021-11-15
KR20130006723A (ko) 2013-01-17
MY205240A (en) 2024-10-09
PL2620941T3 (pl) 2019-11-29
RU2013119725A (ru) 2014-11-10
RU2646314C1 (ru) 2018-03-02
BRPI1007050B1 (pt) 2020-04-22
EP4742241A2 (en) 2026-05-13
KR101256808B1 (ko) 2013-04-22
MX2011007563A (es) 2011-09-06
CA3084938A1 (en) 2010-07-22
WO2010081892A2 (en) 2010-07-22
EP4535354B1 (en) 2025-07-16
EP2380172A2 (en) 2011-10-26
EP4145446A1 (en) 2023-03-08
CN102282612B (zh) 2013-07-24
US20190115038A1 (en) 2019-04-18
SG172976A1 (en) 2011-08-29
CA3124108A1 (en) 2010-07-22
CA3009237A1 (en) 2010-07-22
BR122019023704B1 (pt) 2020-05-05
JP5597738B2 (ja) 2014-10-01
JP2013148920A (ja) 2013-08-01
EP4535354A3 (en) 2025-04-16
US11682410B2 (en) 2023-06-20
CA3009237C (en) 2020-08-25
EP4586249A3 (en) 2025-07-23
EP4517749B1 (en) 2025-07-30
RU2765618C2 (ru) 2022-02-01
US20140297295A1 (en) 2014-10-02
EP2620941A1 (en) 2013-07-31
EP4300495C0 (en) 2025-02-26
PL4517749T3 (pl) 2025-09-22
PL4586249T3 (pl) 2026-05-04
MY208222A (en) 2025-04-25
CN102282612A (zh) 2011-12-14
EP4300495A3 (en) 2024-02-21
EP4742241A3 (en) 2026-05-20
RU2018130424A (ru) 2020-02-25
ES2885804T3 (es) 2021-12-15
EP4535354C0 (en) 2025-07-16
EP4145446B1 (en) 2023-11-22
WO2010081892A3 (en) 2010-11-18
PL4300495T3 (pl) 2025-04-28
BRPI1007050A2 (pt) 2019-03-26
US11935551B2 (en) 2024-03-19
US20210366500A1 (en) 2021-11-25
EP4300495A2 (en) 2024-01-03
CA2926491C (en) 2018-08-07
US12165666B2 (en) 2024-12-10
ES2904373T3 (es) 2022-04-04
HUE071093T2 (hu) 2025-08-28
JP5237465B2 (ja) 2013-07-17
RU2667629C1 (ru) 2018-09-21
MY207442A (en) 2025-02-27
ES3023486T3 (en) 2025-06-02
EP3992966A1 (en) 2022-05-04
CA3244147A1 (en) 2025-06-13
KR20110128275A (ko) 2011-11-29
CA3162807A1 (en) 2010-07-22
CA3231911C (en) 2025-02-06

Similar Documents

Publication Publication Date Title
ES3066513T3 (en) Cross product enhanced harmonic transposition
PL3246919T3 (pl) Ulepszona transpozycja harmonicznych
SG10201401896QA (en) Efficient combined harmonic transposition
GB0909904D0 (en) Product
GB0913488D0 (en) Product
GB201001395D0 (en) Product
GB0913011D0 (en) Graphene
IL218544A0 (en) Dll4-binding molecules
SG10201506914PA (en) Cross product enhanced subband block based harmonic transposition
GB0916978D0 (en) Product
PL4503028T3 (pl) Ulepszona transpozycja harmonicznych
GB0916896D0 (en) Product
GB0921588D0 (en) Product
GB0918594D0 (en) Product
GB0907613D0 (en) Product
GB0915520D0 (en) Molecules
GB0909692D0 (en) R box
GB0904160D0 (en) Anti-windsucker