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RU2018130424A3
RU2018130424A3 RU2018130424A RU2018130424A RU2018130424A3 RU 2018130424 A3 RU2018130424 A3 RU 2018130424A3 RU 2018130424 A RU2018130424 A RU 2018130424A RU 2018130424 A RU2018130424 A RU 2018130424A RU 2018130424 A3 RU2018130424 A3 RU 2018130424A3
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Russia
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RU2018130424A
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RU2018130424A (ru
RU2765618C2 (ru
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    • 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
    • G10L19/08Determination 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
    • G10L19/04Speech 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
    • G10L19/02Speech 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
    • 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

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  • 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)
  • Fats And Perfumes (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Auxiliary Devices For Music (AREA)
RU2018130424A 2009-01-16 2018-08-22 Гармоническое преобразование, усовершенствованное перекрестным произведением RU2765618C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14522309P 2009-01-16 2009-01-16
US61/145,223 2009-01-16

Related Parent Applications (1)

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RU2018102743A Division RU2667629C1 (ru) 2009-01-16 2018-01-24 Гармоническое преобразование, усовершенствованное перекрестным произведением

Related Child Applications (1)

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RU2021137533A Division RU2778834C1 (ru) 2009-01-16 2021-12-17 Гармоническое преобразование, усовершенствованное перекрестным произведением

Publications (3)

Publication Number Publication Date
RU2018130424A RU2018130424A (ru) 2020-02-25
RU2018130424A3 true RU2018130424A3 (ru) 2021-11-15
RU2765618C2 RU2765618C2 (ru) 2022-02-01

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Family Applications (5)

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RU2011133894/08A RU2495505C2 (ru) 2009-01-16 2010-01-15 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2013119725A RU2638748C2 (ru) 2009-01-16 2013-04-29 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2017135312A RU2646314C1 (ru) 2009-01-16 2017-10-05 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2018102743A RU2667629C1 (ru) 2009-01-16 2018-01-24 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2018130424A RU2765618C2 (ru) 2009-01-16 2018-08-22 Гармоническое преобразование, усовершенствованное перекрестным произведением

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RU2011133894/08A RU2495505C2 (ru) 2009-01-16 2010-01-15 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2013119725A RU2638748C2 (ru) 2009-01-16 2013-04-29 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2017135312A RU2646314C1 (ru) 2009-01-16 2017-10-05 Гармоническое преобразование, усовершенствованное перекрестным произведением
RU2018102743A RU2667629C1 (ru) 2009-01-16 2018-01-24 Гармоническое преобразование, усовершенствованное перекрестным произведением

Country Status (21)

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US (10) US8818541B2 (ru)
EP (11) EP4535354B1 (ru)
JP (2) JP5237465B2 (ru)
KR (2) KR101256808B1 (ru)
CN (2) CN102282612B (ru)
AU (1) AU2010205583B2 (ru)
BR (3) BRPI1007050B1 (ru)
CA (7) CA3231911A1 (ru)
CL (1) CL2011001717A1 (ru)
ES (9) ES2966639T3 (ru)
HU (1) HUE071093T2 (ru)
MX (1) MX2011007563A (ru)
MY (7) MY207442A (ru)
PL (8) PL3598446T3 (ru)
RU (5) RU2495505C2 (ru)
SG (1) SG172976A1 (ru)
TR (1) TR201910073T4 (ru)
TW (2) TWI430264B (ru)
UA (1) UA99878C2 (ru)
WO (1) WO2010081892A2 (ru)
ZA (1) ZA201105923B (ru)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201910073T4 (tr) 2009-01-16 2019-07-22 Dolby Int Ab Vektörel çarpımı geliştirilmiş harmonik aktarım.
CA2966469C (en) 2009-01-28 2020-05-05 Dolby International Ab Improved harmonic transposition
EP4503028A3 (en) 2009-01-28 2025-03-19 Dolby International AB Improved harmonic transposition
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
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
US8971551B2 (en) 2009-09-18 2015-03-03 Dolby International Ab Virtual bass synthesis using harmonic transposition
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI556227B (zh) 2009-05-27 2016-11-01 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
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
CN103559891B (zh) 2009-09-18 2016-05-11 杜比国际公司 改进的谐波转置
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
EP2491557B1 (en) 2009-10-21 2014-07-30 Dolby International AB Oversampling in a combined transposer filter bank
EP4435779B9 (en) * 2010-01-19 2025-07-09 Dolby International AB Improved 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
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
US12002476B2 (en) 2010-07-19 2024-06-04 Dolby International Ab Processing of audio signals during high frequency reconstruction
EP4210051A1 (en) * 2010-07-19 2023-07-12 Dolby International AB Processing of audio signals during high frequency reconstruction
US20120029926A1 (en) 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio 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
IL317702A (en) * 2010-09-16 2025-02-01 Dolby Int Ab Method and system for harmonic, block, subchannel, and enhanced transposition by rhetorical multiplication
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
US9078077B2 (en) 2010-10-21 2015-07-07 Bose Corporation Estimation of synthetic audio prototypes with frequency-based input signal decomposition
US8675881B2 (en) * 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
PT2676270T (pt) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade
ES2534972T3 (es) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio espectral
ES2715191T3 (es) 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
SG192734A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
KR101424372B1 (ko) 2011-02-14 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 랩핑 변환을 이용한 정보 신호 표현
FI3998607T3 (fi) * 2011-02-18 2024-04-22 Ntt Docomo Inc Puhedekooderi
ES2657802T3 (es) * 2011-11-02 2018-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Decodificación de audio basada en una representación eficiente de coeficientes autoregresivos
US9530424B2 (en) 2011-11-11 2016-12-27 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
WO2013124445A2 (en) * 2012-02-23 2013-08-29 Dolby International Ab Methods and systems for efficient recovery of high frequency audio content
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
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
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
CA3013766C (en) * 2013-01-29 2020-11-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information
KR101732059B1 (ko) 2013-05-15 2017-05-04 삼성전자주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
CN111477245B (zh) * 2013-06-11 2024-06-11 弗朗霍弗应用研究促进协会 语音信号解码装置和方法、语音信号编码装置和方法
EP2830064A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
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
EP2963646A1 (en) 2014-07-01 2016-01-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
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
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
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
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
US9311924B1 (en) 2015-07-20 2016-04-12 Tls Corp. Spectral wells for inserting watermarks in audio signals
US9454343B1 (en) 2015-07-20 2016-09-27 Tls Corp. Creating 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
TWI807562B (zh) * 2017-03-23 2023-07-01 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
US11771779B2 (en) 2018-01-26 2023-10-03 Hadasit Medical Research Services & Development Limited Non-metallic magnetic resonance contrast agent
KR20250129113A (ko) 2018-04-25 2025-08-28 돌비 인터네셔널 에이비 고주파 오디오 재구성 기술의 통합
IL319703A (en) 2018-04-25 2025-05-01 Dolby Int Ab Combining high-frequency reconstruction techniques with reduced post-processing delay
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
RU2256293C2 (ru) 1997-06-10 2005-07-10 Коудинг Технолоджиз Аб Усовершенствование исходного кодирования с использованием дублирования спектральной полосы
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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
WO2001037263A1 (en) 1999-11-16 2001-05-25 Koninklijke Philips Electronics N.V. Wideband audio transmission system
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
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
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
SE0101175D0 (sv) 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
JP4106624B2 (ja) 2001-06-29 2008-06-25 株式会社ケンウッド 信号の周波数成分を補間するための装置および方法
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003007480A1 (en) * 2001-07-13 2003-01-23 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
EP1423847B1 (en) 2001-11-29 2005-02-02 Coding Technologies AB Reconstruction of high frequency components
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
AU2003252727A1 (en) 2002-08-01 2004-02-23 Matsushita Electric Industrial Co., Ltd. Audio decoding apparatus and audio decoding method based on spectral band repliction
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
EP1677088B1 (en) 2003-10-23 2010-06-16 Panasonic Corporation Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
WO2005104094A1 (ja) * 2004-04-23 2005-11-03 Matsushita Electric Industrial Co., Ltd. 符号化装置
EP1798724B1 (en) * 2004-11-05 2014-06-18 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
BRPI0607690A8 (pt) * 2005-04-01 2017-07-11 Qualcomm Inc Sistemas, métodos e equipamento para geração de excitação em banda alta
US8917874B2 (en) 2005-05-26 2014-12-23 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
US20070121953A1 (en) 2005-11-28 2007-05-31 Mediatek Inc. Audio decoding system and method
KR100717058B1 (ko) 2005-11-28 2007-05-14 삼성전자주식회사 고주파 성분 복원 방법 및 그 장치
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
JP4999846B2 (ja) 2006-08-04 2012-08-15 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
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
TR201910073T4 (tr) * 2009-01-16 2019-07-22 Dolby Int Ab Vektörel çarpımı geliştirilmiş harmonik aktarım.

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