PL2620941T3 - Transpozycja harmonicznych rozszerzona o iloczyn wektorowy - Google Patents

Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Info

Publication number
PL2620941T3
PL2620941T3 PL13164569T PL13164569T PL2620941T3 PL 2620941 T3 PL2620941 T3 PL 2620941T3 PL 13164569 T PL13164569 T PL 13164569T PL 13164569 T PL13164569 T PL 13164569T PL 2620941 T3 PL2620941 T3 PL 2620941T3
Authority
PL
Poland
Prior art keywords
cross product
harmonic transposition
product enhanced
enhanced harmonic
transposition
Prior art date
Application number
PL13164569T
Other languages
English (en)
Inventor
Lars Villemoes
Per Hedelin
Original Assignee
Dolby Int 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 Int Ab filed Critical Dolby Int Ab
Publication of PL2620941T3 publication Critical patent/PL2620941T3/pl

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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
    • 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
    • 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
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction 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
    • G10L21/0388—Details of processing therefor
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch 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)
  • Carbon And Carbon Compounds (AREA)
  • Fats And Perfumes (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
PL13164569T 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy PL2620941T3 (pl)

Applications Claiming Priority (4)

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

Publications (1)

Publication Number Publication Date
PL2620941T3 true PL2620941T3 (pl) 2019-11-29

Family

ID=42077387

Family Applications (9)

Application Number Title Priority Date Filing Date
PL19171998T PL3598446T3 (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
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
PL23210729.2T PL4300495T3 (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
PL25151658.9T PL4517749T3 (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 Before (3)

Application Number Title Priority Date Filing Date
PL19171998T PL3598446T3 (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
PL21209274.6T PL3992966T3 (pl) 2009-01-16 2010-01-15 Transpozycja harmonicznych rozszerzona o iloczyn wektorowy

Family Applications After (5)

Application Number Title Priority Date Filing Date
PL25159062.6T PL4535354T3 (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
PL19171997T PL3598445T3 (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
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 (11) EP4145446B1 (pl)
JP (2) JP5237465B2 (pl)
KR (2) KR101589942B1 (pl)
CN (2) CN102282612B (pl)
AU (1) AU2010205583B2 (pl)
BR (3) BRPI1007050B1 (pl)
CA (8) CA3009237C (pl)
CL (1) CL2011001717A1 (pl)
ES (10) ES2966639T3 (pl)
HU (3) HUE072698T2 (pl)
MX (1) MX2011007563A (pl)
MY (7) MY208222A (pl)
PL (9) PL3598446T3 (pl)
RU (5) RU2495505C2 (pl)
SG (1) SG172976A1 (pl)
TR (1) TR201910073T4 (pl)
TW (2) TWI523005B (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
EP4145446B1 (en) 2009-01-16 2023-11-22 Dolby International AB Cross product enhanced harmonic transposition
ES2906255T3 (es) 2009-01-28 2022-04-13 Dolby Int Ab Transposición armónica mejorada
PL3246919T3 (pl) 2009-01-28 2021-03-08 Dolby International Ab Ulepszona transpozycja harmonicznych
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
US8971551B2 (en) 2009-09-18 2015-03-03 Dolby International Ab Virtual bass synthesis using harmonic transposition
TWI484481B (zh) 2009-05-27 2015-05-11 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
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
KR101405022B1 (ko) 2009-09-18 2014-06-10 돌비 인터네셔널 에이비 입력 신호를 전위시키기 위한 시스템 및 방법, 상기 방법을 수행하는 소프트웨어 프로그램 및 컴퓨터 프로그램 제품을 포함하는 저장 매체
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
PL4152320T3 (pl) * 2009-10-21 2024-02-19 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
MY210338A (en) 2010-01-19 2025-09-12 Dolby Int Ab Subband block based harmonic transposition
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
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
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
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
DK2765572T3 (da) 2010-07-19 2017-11-06 Dolby Int Ab Behandling af audiosignaler under højfrekvens-rekonstruktion
US8831933B2 (en) 2010-07-30 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for multi-stage shape vector quantization
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
AU2015202647B2 (en) * 2010-09-16 2017-05-11 Dolby International Ab Cross product enhanced subband block based harmonic transposition
IL317702A (en) 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
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
ES2458436T3 (es) 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
EP2676266B1 (en) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Linear prediction based coding scheme using spectral domain noise shaping
AR085218A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio
AR085362A1 (es) 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
EP3407352B9 (en) * 2011-02-18 2022-08-10 Ntt Docomo, Inc. Speech decoder, speech encoder, speech decoding method, speech encoding method, speech decoding program, and speech encoding program
EP2774146B1 (en) * 2011-11-02 2016-07-06 Telefonaktiebolaget LM Ericsson (publ) Audio encoding based on an efficient representation of auto-regressive coefficients
USRE48258E1 (en) 2011-11-11 2020-10-13 Dolby International Ab Upsampling using oversampled SBR
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
US9666200B2 (en) * 2012-02-23 2017-05-30 Dolby International Ab Methods and systems for efficient recovery of high frequency audio content
CN110706715B (zh) 2012-03-29 2022-05-24 华为技术有限公司 信号编码和解码的方法和设备
CN104704855B (zh) * 2012-10-15 2016-08-24 杜比国际公司 用于减小基于换位器的虚拟低音系统中的延迟的系统及方法
CN103928031B (zh) * 2013-01-15 2016-03-30 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
KR101775084B1 (ko) * 2013-01-29 2017-09-05 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 주파수 향상 오디오 신호를 생성하는 디코더, 디코딩 방법, 인코딩된 신호를 생성하는 인코더, 및 컴팩트 선택 사이드 정보를 이용한 인코딩 방법
WO2014185569A1 (ko) 2013-05-15 2014-11-20 삼성전자 주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
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
EP2830065A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
JP6531649B2 (ja) 2013-09-19 2019-06-19 ソニー株式会社 符号化装置および方法、復号化装置および方法、並びにプログラム
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
BR112016014476B1 (pt) 2013-12-27 2021-11-23 Sony Corporation Aparelho e método de decodificação, e, meio de armazenamento legível por computador
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
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
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
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
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
US9837089B2 (en) 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
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
US9626977B2 (en) 2015-07-24 2017-04-18 Tls Corp. Inserting watermarks into audio signals that have speech-like properties
US10115404B2 (en) 2015-07-24 2018-10-30 Tls Corp. Redundancy in watermarking audio signals that have speech-like properties
TWI901543B (zh) 2017-03-23 2025-10-11 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
CN107122332B (zh) * 2017-05-02 2020-08-21 大连民族大学 一维信号二维谱变换方法、伪双谱及其应用
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
CN118800271A (zh) 2018-04-25 2024-10-18 杜比国际公司 高频音频重建技术的集成
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 (69)

* 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
JP5220254B2 (ja) 1999-11-16 2013-06-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 広帯域オーディオ伝送システム
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
EP1158494B1 (en) 2000-05-26 2002-05-29 Lucent Technologies Inc. Method and apparatus for performing audio coding and decoding by interleaving smoothed critical band evelopes at higher frequencies
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
US7400651B2 (en) 2001-06-29 2008-07-15 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
EP1351401B1 (en) * 2001-07-13 2009-01-14 Panasonic Corporation 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
CN1279512C (zh) 2001-11-29 2006-10-11 编码技术股份公司 用于改善高频重建的方法和装置
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
KR100723753B1 (ko) * 2002-08-01 2007-05-30 마츠시타 덴끼 산교 가부시키가이샤 스펙트럼 대역 복사에 의한 오디오 디코딩 장치 및 오디오디코딩 방법
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
JP4789622B2 (ja) * 2003-09-16 2011-10-12 パナソニック株式会社 スペクトル符号化装置、スケーラブル符号化装置、復号化装置、およびこれらの方法
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
DE602004030594D1 (de) * 2003-10-07 2011-01-27 Panasonic Corp Verfahren zur entscheidung der zeitgrenze zur codierung der spektro-hülle und frequenzauflösung
EP2221808B1 (en) 2003-10-23 2012-07-11 Panasonic Corporation Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
JP4741476B2 (ja) * 2004-04-23 2011-08-03 パナソニック株式会社 符号化装置
RU2387024C2 (ru) * 2004-11-05 2010-04-20 Панасоник Корпорэйшн Кодер, декодер, способ кодирования и способ декодирования
JP5129117B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 音声信号の高帯域部分を符号化及び復号する方法及び装置
WO2006126843A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding 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
EP2048658B1 (en) 2006-08-04 2013-10-09 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
EP4145446B1 (en) * 2009-01-16 2023-11-22 Dolby International AB Cross product enhanced harmonic transposition

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