RU2018130424A3 - - Google Patents
Download PDFInfo
- Publication number
- 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
- Authority
- RU
- Russia
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
- 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
- G10L19/08—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
- 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
- G10L19/02—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
- 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
- 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)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Carbon And Carbon Compounds (AREA)
- Fats And Perfumes (AREA)
- Auxiliary Devices For Music (AREA)
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)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2018102743A Division RU2667629C1 (ru) | 2009-01-16 | 2018-01-24 | Гармоническое преобразование, усовершенствованное перекрестным произведением |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family
ID=42077387
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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)
| Country | Link |
|---|---|
| US (10) | US8818541B2 (ru) |
| EP (11) | EP3992966B1 (ru) |
| JP (2) | JP5237465B2 (ru) |
| KR (2) | KR101256808B1 (ru) |
| CN (2) | CN102282612B (ru) |
| AU (1) | AU2010205583B2 (ru) |
| BR (3) | BR122019023704B1 (ru) |
| CA (8) | CA3244147A1 (ru) |
| CL (1) | CL2011001717A1 (ru) |
| ES (10) | ES2885804T3 (ru) |
| HU (1) | HUE071093T2 (ru) |
| MX (1) | MX2011007563A (ru) |
| MY (7) | MY205240A (ru) |
| PL (9) | PL4300495T3 (ru) |
| RU (5) | RU2495505C2 (ru) |
| SG (1) | SG172976A1 (ru) |
| TR (1) | TR201910073T4 (ru) |
| TW (2) | TWI523005B (ru) |
| UA (1) | UA99878C2 (ru) |
| WO (1) | WO2010081892A2 (ru) |
| ZA (1) | ZA201105923B (ru) |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL4300495T3 (pl) | 2009-01-16 | 2025-04-28 | Dolby International Ab | Transpozycja harmonicznych rozszerzona o iloczyn wektorowy |
| CA3107567C (en) | 2009-01-28 | 2022-08-02 | Dolby International Ab | Improved harmonic transposition |
| EP4503029A3 (en) | 2009-01-28 | 2025-03-19 | Dolby International AB | Improved harmonic transposition |
| 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 |
| 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 |
| 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 |
| CN102318004B (zh) | 2009-09-18 | 2013-10-23 | 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 |
| EP4648048A3 (en) | 2009-10-21 | 2025-11-19 | Dolby International AB | Oversampling in a combined transposer filter bank |
| PL4435778T3 (pl) * | 2010-01-19 | 2025-05-19 | Dolby International Ab | Transpozycja harmonicznych oparta na ulepszonym bloku pod-pasma |
| 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 |
| 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 |
| ES2727300T3 (es) | 2010-07-19 | 2019-10-15 | Dolby Int Ab | Procesamiento de señales de audio durante la reconstrucción de alta frecuencia |
| US9236063B2 (en) | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
| 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 |
| 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 |
| PL3239978T3 (pl) | 2011-02-14 | 2019-07-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio |
| BR112012029132B1 (pt) | 2011-02-14 | 2021-10-05 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Representação de sinal de informações utilizando transformada sobreposta |
| PL2661745T3 (pl) | 2011-02-14 | 2015-09-30 | Fraunhofer Ges Forschung | Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio |
| AR085794A1 (es) | 2011-02-14 | 2013-10-30 | Fraunhofer Ges Forschung | Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral |
| 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 |
| 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 |
| DK3998607T3 (da) * | 2011-02-18 | 2024-04-15 | Ntt Docomo Inc | Taleafkoder |
| DK3040988T3 (en) | 2011-11-02 | 2018-01-08 | ERICSSON TELEFON AB L M (publ) | AUDIO DECODING BASED ON AN EFFECTIVE REPRESENTATION OF AUTOREGRESSIVE COEFFICIENTS |
| JP6155274B2 (ja) | 2011-11-11 | 2017-06-28 | ドルビー・インターナショナル・アーベー | 過剰サンプリングされたｓｂｒを使ったアップサンプリング |
| 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 |
| JP6046169B2 (ja) * | 2012-02-23 | 2016-12-14 | ドルビー・インターナショナル・アーベー | 高周波オーディオ内容の効率的な復元のための方法およびシステム |
| 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 |
| CN109509483B (zh) * | 2013-01-29 | 2023-11-14 | 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 |
| WO2014185569A1 (ko) | 2013-05-15 | 2014-11-20 | 삼성전자 주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| RU2658892C2 (ru) * | 2013-06-11 | 2018-06-25 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для расширения диапазона частот для акустических сигналов |
| EP2830059A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling energy adjustment |
| WO2015041070A1 (ja) | 2013-09-19 | 2015-03-26 | 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 |
| RU2667627C1 (ru) | 2013-12-27 | 2018-09-21 | Сони Корпорейшн | Устройство и способ декодирования и программа |
| 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 |
| 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 |
| 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 |
| 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 |
| TWI771266B (zh) | 2015-03-13 | 2022-07-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| 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 |
| 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 |
| 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 |
| US11771779B2 (en) | 2018-01-26 | 2023-10-03 | Hadasit Medical Research Services & Development Limited | Non-metallic magnetic resonance contrast agent |
| IL319703A (en) | 2018-04-25 | 2025-05-01 | Dolby Int Ab | Combining 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 (69)
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| PT1423847E (pt) | 2001-11-29 | 2005-05-31 | Coding Tech Ab | Reconstrucao de componentes de frequencia elevada |
| 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 |
| BRPI0305710B1 (pt) * | 2002-08-01 | 2017-11-07 | Panasonic Corporation | "apparatus and method of decoding of audio" |
| 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 |
| EP1657710B1 (en) * | 2003-09-16 | 2009-05-27 | Panasonic Corporation | Coding apparatus and decoding apparatus |
| 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 |
| CN101556800B (zh) | 2003-10-23 | 2012-05-23 | 松下电器产业株式会社 | 音频频谱编解码方法和装置、声音信号发送和接收装置 |
| WO2005104094A1 (ja) * | 2004-04-23 | 2005-11-03 | Matsushita Electric Industrial Co., Ltd. | 符号化装置 |
| CN102184734B (zh) * | 2004-11-05 | 2013-04-03 | 松下电器产业株式会社 | 编码装置、解码装置、编码方法及解码方法 |
| DE602006018884D1 (de) * | 2005-04-01 | 2011-01-27 | Qualcomm Inc | Verfahren und vorrichtung zur anti-sparseness-filterung eines bandbreitenerweiterten sprachprädiktions-erregungssignals |
| 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 |
| 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 |
| 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 |
| US20080109215A1 (en) | 2006-06-26 | 2008-05-08 | Chi-Min Liu | High frequency reconstruction by linear extrapolation |
| WO2008016097A1 (en) | 2006-08-04 | 2008-02-07 | 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 |
| PL4300495T3 (pl) * | 2009-01-16 | 2025-04-28 | Dolby International Ab | Transpozycja harmonicznych rozszerzona o iloczyn wektorowy |
-
2010
- 2010-01-15 PL PL23210729.2T patent/PL4300495T3/pl unknown
- 2010-01-15 BR BR122019023704A patent/BR122019023704B1/pt active IP Right Grant
- 2010-01-15 JP JP2011545750A patent/JP5237465B2/ja active Active
- 2010-01-15 PL PL19171998T patent/PL3598446T3/pl unknown
- 2010-01-15 TW TW102147225A patent/TWI523005B/zh active
- 2010-01-15 PL PL21209274.6T patent/PL3992966T3/pl unknown
- 2010-01-15 MY MYPI2024004040A patent/MY205240A/en unknown
- 2010-01-15 AU AU2010205583A patent/AU2010205583B2/en active Active
- 2010-01-15 ES ES19171997T patent/ES2885804T3/es active Active
- 2010-01-15 MY MYPI2024005852A patent/MY208222A/en unknown
- 2010-01-15 EP EP21209274.6A patent/EP3992966B1/en active Active
- 2010-01-15 UA UAA201109990A patent/UA99878C2/ru unknown
- 2010-01-15 EP EP25159062.6A patent/EP4535354B1/en active Active
- 2010-01-15 EP EP19171999.6A patent/EP3598447B1/en active Active
- 2010-01-15 TR TR2019/10073T patent/TR201910073T4/tr unknown
- 2010-01-15 PL PL22199586.3T patent/PL4145446T3/pl unknown
- 2010-01-15 ES ES19171998T patent/ES2904373T3/es active Active
- 2010-01-15 PL PL25151658.9T patent/PL4517749T3/pl unknown
- 2010-01-15 CA CA3244147A patent/CA3244147A1/en active Pending
- 2010-01-15 MX MX2011007563A patent/MX2011007563A/es active IP Right Grant
- 2010-01-15 EP EP23210729.2A patent/EP4300495B1/en active Active
- 2010-01-15 CA CA2926491A patent/CA2926491C/en active Active
- 2010-01-15 EP EP19171997.0A patent/EP3598445B1/en active Active
- 2010-01-15 CA CA3084938A patent/CA3084938C/en active Active
- 2010-01-15 US US13/144,346 patent/US8818541B2/en active Active
- 2010-01-15 HU HUE23210729A patent/HUE071093T2/hu unknown
- 2010-01-15 CA CA3009237A patent/CA3009237C/en active Active
- 2010-01-15 ES ES10701342T patent/ES2427278T3/es active Active
- 2010-01-15 ES ES23210729T patent/ES3023486T3/es active Active
- 2010-01-15 EP EP22199586.3A patent/EP4145446B1/en active Active
- 2010-01-15 EP EP10701342.7A patent/EP2380172B1/en active Active
- 2010-01-15 EP EP13164569.9A patent/EP2620941B1/en active Active
- 2010-01-15 MY MYPI2024004042A patent/MY205241A/en unknown
- 2010-01-15 ES ES25159062T patent/ES3037981T3/es active Active
- 2010-01-15 PL PL25159062.6T patent/PL4535354T3/pl unknown
- 2010-01-15 PL PL13164569T patent/PL2620941T3/pl unknown
- 2010-01-15 EP EP19171998.8A patent/EP3598446B1/en active Active
- 2010-01-15 BR BRPI1007050A patent/BRPI1007050B1/pt active IP Right Grant
- 2010-01-15 ES ES22199586T patent/ES2966639T3/es active Active
- 2010-01-15 CN CN2010800047648A patent/CN102282612B/zh active Active
- 2010-01-15 ES ES25151658T patent/ES3039286T3/es active Active
- 2010-01-15 BR BR122019023684A patent/BR122019023684B1/pt active IP Right Grant
- 2010-01-15 ES ES21209274T patent/ES2938858T3/es active Active
- 2010-01-15 PL PL19171999T patent/PL3598447T3/pl unknown
- 2010-01-15 SG SG2011050895A patent/SG172976A1/en unknown
- 2010-01-15 EP EP25151658.9A patent/EP4517749B1/en active Active
- 2010-01-15 KR KR1020117018965A patent/KR101256808B1/ko active Active
- 2010-01-15 MY MYPI2011003320A patent/MY180550A/en unknown
- 2010-01-15 ES ES19171999T patent/ES2901735T3/es active Active
- 2010-01-15 CA CA3124108A patent/CA3124108C/en active Active
- 2010-01-15 MY MYPI2024004041A patent/MY207442A/en unknown
- 2010-01-15 CA CA2748003A patent/CA2748003C/en active Active
- 2010-01-15 PL PL19171997T patent/PL3598445T3/pl unknown
- 2010-01-15 KR KR1020127034420A patent/KR101589942B1/ko active Active
- 2010-01-15 CN CN201310292414.1A patent/CN103632678B/zh active Active
- 2010-01-15 CA CA3231911A patent/CA3231911A1/en active Pending
- 2010-01-15 WO PCT/EP2010/050483 patent/WO2010081892A2/en not_active Ceased
- 2010-01-15 CA CA3162807A patent/CA3162807C/en active Active
- 2010-01-15 EP EP25180486.0A patent/EP4586249A3/en active Pending
- 2010-01-15 TW TW099101097A patent/TWI430264B/zh active
- 2010-01-15 MY MYPI2024005849A patent/MY208584A/en unknown
- 2010-01-15 RU RU2011133894/08A patent/RU2495505C2/ru active
- 2010-01-15 ES ES13164569T patent/ES2734361T3/es active Active
- 2010-01-15 MY MYPI2020003999A patent/MY203757A/en unknown
-
2011
- 2011-07-14 CL CL2011001717A patent/CL2011001717A1/es unknown
- 2011-08-12 ZA ZA2011/05923A patent/ZA201105923B/en unknown
-
2013
- 2013-03-28 JP JP2013068151A patent/JP5597738B2/ja active Active
- 2013-04-29 RU RU2013119725A patent/RU2638748C2/ru active
-
2014
- 2014-06-17 US US14/306,529 patent/US9799346B2/en active Active
-
2017
- 2017-09-20 US US15/710,021 patent/US10192565B2/en active Active
- 2017-10-05 RU RU2017135312A patent/RU2646314C1/ru active
-
2018
- 2018-01-24 RU RU2018102743A patent/RU2667629C1/ru active
- 2018-08-22 RU RU2018130424A patent/RU2765618C2/ru active
- 2018-12-07 US US16/212,958 patent/US10586550B2/en active Active
-
2020
- 2020-03-05 US US16/810,756 patent/US11031025B2/en active Active
-
2021
- 2021-06-03 US US17/338,431 patent/US11682410B2/en active Active
-
2023
- 2023-05-03 US US18/311,542 patent/US11935551B2/en active Active
-
2024
- 2024-02-12 US US18/439,631 patent/US12119011B2/en active Active
- 2024-02-12 US US18/439,616 patent/US12165666B2/en active Active
- 2024-10-31 US US18/933,766 patent/US20250054507A1/en active Pending