MX346012B - Aparato y metodo para procesar una señal codificada y codificador y metodo par a generar una señal codificada. - Google Patents
Aparato y metodo para procesar una señal codificada y codificador y metodo par a generar una señal codificada.Info
- Publication number
- MX346012B MX346012B MX2015009599A MX2015009599A MX346012B MX 346012 B MX346012 B MX 346012B MX 2015009599 A MX2015009599 A MX 2015009599A MX 2015009599 A MX2015009599 A MX 2015009599A MX 346012 B MX346012 B MX 346012B
- Authority
- MX
- Mexico
- Prior art keywords
- encoded signal
- bass post
- filter
- audio signal
- encoded
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 5
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—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
- G10L19/0204—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 using subband decomposition
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Abstract
Un aparato para procesar una señal codificada (110), la señal codificada comprende una señal de audio codificada que tiene información sobre un retardo tonal o una ganancia tonal, y un parámetro de control de filtro de frecuencias bajas posterior (101), comprende: un decodificador de señal de audio (110) para decodificar una señal de audio codificada utilizando la información sobre el retardo tonal o la ganancia tonal para obtener una señal de audio decodificada (103); un filtro de frecuencias bajas posterior controlable (112) para filtrar la señal de audio decodificada (103) para obtener una señal procesada (113), donde el filtro de frecuencias bajas posterior controlable (112) tiene la característica variable de filtro de frecuencias bajas posterior controlable mediante el parámetro de control de filtro de frecuencias bajas posterior (101); y un controlador (114) para configurar la característica variable de filtro de frecuencias bajas posterior de acuerdo con el parámetro de control de filtro de frecuencias bajas posterior (101) incluida en la señal codificada (102).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361758075P | 2013-01-29 | 2013-01-29 | |
PCT/EP2014/051593 WO2014118157A1 (en) | 2013-01-29 | 2014-01-28 | Apparatus and method for processing an encoded signal and encoder and method for generating an encoded signal |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015009599A MX2015009599A (es) | 2015-11-25 |
MX346012B true MX346012B (es) | 2017-02-28 |
Family
ID=50029032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015009599A MX346012B (es) | 2013-01-29 | 2014-01-28 | Aparato y metodo para procesar una señal codificada y codificador y metodo par a generar una señal codificada. |
Country Status (20)
Country | Link |
---|---|
US (1) | US9640191B2 (es) |
EP (1) | EP2936484B1 (es) |
JP (1) | JP6253674B2 (es) |
KR (1) | KR101757344B1 (es) |
CN (1) | CN105122358B (es) |
AR (1) | AR094680A1 (es) |
AU (1) | AU2014211525B2 (es) |
BR (1) | BR112015018022B1 (es) |
CA (1) | CA2898575C (es) |
ES (1) | ES2659182T3 (es) |
HK (1) | HK1216799A1 (es) |
MX (1) | MX346012B (es) |
MY (1) | MY172712A (es) |
PL (1) | PL2936484T3 (es) |
PT (1) | PT2936484T (es) |
RU (1) | RU2622860C2 (es) |
SG (1) | SG11201505910PA (es) |
TW (1) | TWI540570B (es) |
WO (1) | WO2014118157A1 (es) |
ZA (1) | ZA201506270B (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MY191093A (en) * | 2016-02-17 | 2022-05-30 | Fraunhofer Ges Forschung | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
EP3992743B1 (en) * | 2020-11-03 | 2023-08-30 | Volkswagen Aktiengesellschaft | Vehicle, apparatus for a vehicle, computer program, and method for processing information for communication in a tele-operated driving session |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI980132A (fi) * | 1998-01-21 | 1999-07-22 | Nokia Mobile Phones Ltd | Adaptoituva jälkisuodatin |
US7233896B2 (en) * | 2002-07-30 | 2007-06-19 | Motorola Inc. | Regular-pulse excitation speech coder |
WO2006049204A1 (ja) * | 2004-11-05 | 2006-05-11 | Matsushita Electric Industrial Co., Ltd. | 符号化装置、復号化装置、符号化方法及び復号化方法 |
US20070282601A1 (en) * | 2006-06-02 | 2007-12-06 | Texas Instruments Inc. | Packet loss concealment for a conjugate structure algebraic code excited linear prediction decoder |
US8073697B2 (en) * | 2006-09-12 | 2011-12-06 | International Business Machines Corporation | Establishing a multimodal personality for a multimodal application |
JPWO2008072701A1 (ja) * | 2006-12-13 | 2010-04-02 | パナソニック株式会社 | ポストフィルタおよびフィルタリング方法 |
CN101622666B (zh) * | 2007-03-02 | 2012-08-15 | 艾利森电话股份有限公司 | 非因果后置滤波器 |
JP5291004B2 (ja) * | 2007-03-02 | 2013-09-18 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 通信ネットワークにおける方法及び装置 |
EP2116998B1 (en) * | 2007-03-02 | 2018-08-15 | III Holdings 12, LLC | Post-filter, decoding device, and post-filter processing method |
MY146431A (en) | 2007-06-11 | 2012-08-15 | Fraunhofer Ges Forschung | Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoded audio signal |
RU2520402C2 (ru) * | 2008-10-08 | 2014-06-27 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Переключаемая аудио кодирующая/декодирующая схема с мультиразрешением |
KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
MX2011008685A (es) * | 2009-02-26 | 2011-09-06 | Panasonic Corp | Codificador, decodificador y metodo para los mismos. |
CA3160488C (en) | 2010-07-02 | 2023-09-05 | Dolby International Ab | Audio decoding with selective post filtering |
US8738385B2 (en) * | 2010-10-20 | 2014-05-27 | Broadcom Corporation | Pitch-based pre-filtering and post-filtering for compression of audio signals |
MY164797A (en) * | 2011-02-14 | 2018-01-30 | Fraunhofer Ges Zur Foederung Der Angewandten Forschung E V | Apparatus and method for processing a decoded audio signal in a spectral domain |
-
2014
- 2014-01-28 MY MYPI2015001883A patent/MY172712A/en unknown
- 2014-01-28 EP EP14701749.5A patent/EP2936484B1/en active Active
- 2014-01-28 CN CN201480010483.1A patent/CN105122358B/zh active Active
- 2014-01-28 SG SG11201505910PA patent/SG11201505910PA/en unknown
- 2014-01-28 RU RU2015136851A patent/RU2622860C2/ru active
- 2014-01-28 KR KR1020157022713A patent/KR101757344B1/ko active IP Right Grant
- 2014-01-28 MX MX2015009599A patent/MX346012B/es active IP Right Grant
- 2014-01-28 PT PT147017495T patent/PT2936484T/pt unknown
- 2014-01-28 AU AU2014211525A patent/AU2014211525B2/en active Active
- 2014-01-28 PL PL14701749T patent/PL2936484T3/pl unknown
- 2014-01-28 ES ES14701749.5T patent/ES2659182T3/es active Active
- 2014-01-28 JP JP2015555672A patent/JP6253674B2/ja active Active
- 2014-01-28 CA CA2898575A patent/CA2898575C/en active Active
- 2014-01-28 WO PCT/EP2014/051593 patent/WO2014118157A1/en active Application Filing
- 2014-01-28 BR BR112015018022-1A patent/BR112015018022B1/pt active IP Right Grant
- 2014-01-29 AR ARP140100296A patent/AR094680A1/es active IP Right Grant
- 2014-01-29 TW TW103103531A patent/TWI540570B/zh active
-
2015
- 2015-07-28 US US14/811,705 patent/US9640191B2/en active Active
- 2015-08-27 ZA ZA2015/06270A patent/ZA201506270B/en unknown
-
2016
- 2016-04-28 HK HK16104853.0A patent/HK1216799A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
KR20150117671A (ko) | 2015-10-20 |
TWI540570B (zh) | 2016-07-01 |
WO2014118157A1 (en) | 2014-08-07 |
RU2622860C2 (ru) | 2017-06-20 |
US9640191B2 (en) | 2017-05-02 |
PL2936484T3 (pl) | 2018-06-29 |
ES2659182T3 (es) | 2018-03-14 |
AU2014211525A1 (en) | 2015-08-27 |
BR112015018022A2 (es) | 2017-08-22 |
US20150332700A1 (en) | 2015-11-19 |
RU2015136851A (ru) | 2017-03-06 |
CN105122358A (zh) | 2015-12-02 |
EP2936484B1 (en) | 2018-01-03 |
KR101757344B1 (ko) | 2017-07-14 |
EP2936484A1 (en) | 2015-10-28 |
MX2015009599A (es) | 2015-11-25 |
MY172712A (en) | 2019-12-11 |
CN105122358B (zh) | 2019-02-15 |
CA2898575A1 (en) | 2014-08-07 |
AR094680A1 (es) | 2015-08-19 |
JP2016513270A (ja) | 2016-05-12 |
HK1216799A1 (zh) | 2016-12-02 |
BR112015018022B1 (pt) | 2022-01-04 |
SG11201505910PA (en) | 2015-08-28 |
ZA201506270B (en) | 2016-07-27 |
PT2936484T (pt) | 2018-03-29 |
JP6253674B2 (ja) | 2017-12-27 |
AU2014211525B2 (en) | 2016-09-01 |
CA2898575C (en) | 2018-09-11 |
TW201443884A (zh) | 2014-11-16 |
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