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 |
---|---|---|---|---|
CA2985019C (en) * | 2016-02-17 | 2022-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | 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 |
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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 |
EP1798724B1 (en) * | 2004-11-05 | 2014-06-18 | Panasonic Corporation | Encoder, decoder, encoding method, and decoding method |
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 |
ATE548728T1 (de) * | 2007-03-02 | 2012-03-15 | Ericsson Telefon Ab L M | Nichtkausales nachfilter |
JP5377287B2 (ja) * | 2007-03-02 | 2013-12-25 | パナソニック株式会社 | ポストフィルタ、復号装置およびポストフィルタ処理方法 |
MX2009008055A (es) * | 2007-03-02 | 2009-08-18 | Ericsson Telefon Ab L M | Metodo y arreglos en una red de telecomunicaciones. |
BRPI0811384A2 (pt) * | 2007-06-11 | 2017-08-01 | Fraunhofer Ges Forschung | "codificador de áudio para codificar um sinal de áudio tendo uma porção tipo impulso e porção fixa, métodos de codificação, decodificador, método de decodificação, e sinal de áudio codificado" |
KR20130133917A (ko) * | 2008-10-08 | 2013-12-09 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 다중 분해능 스위치드 오디오 부호화/복호화 방법 |
KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
JP5511785B2 (ja) * | 2009-02-26 | 2014-06-04 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
CA2976485C (en) * | 2010-07-02 | 2018-07-24 | Dolby International Ab | Audio decoder |
US8738385B2 (en) * | 2010-10-20 | 2014-05-27 | Broadcom Corporation | Pitch-based pre-filtering and post-filtering for compression of audio signals |
ES2529025T3 (es) * | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para procesar una señal de audio decodificada en un dominio espectral |
-
2014
- 2014-01-28 ES ES14701749.5T patent/ES2659182T3/es active Active
- 2014-01-28 MY MYPI2015001883A patent/MY172712A/en unknown
- 2014-01-28 PL PL14701749T patent/PL2936484T3/pl unknown
- 2014-01-28 SG SG11201505910PA patent/SG11201505910PA/en unknown
- 2014-01-28 KR KR1020157022713A patent/KR101757344B1/ko active IP Right Grant
- 2014-01-28 PT PT147017495T patent/PT2936484T/pt unknown
- 2014-01-28 CN CN201480010483.1A patent/CN105122358B/zh active Active
- 2014-01-28 MX MX2015009599A patent/MX346012B/es active IP Right Grant
- 2014-01-28 WO PCT/EP2014/051593 patent/WO2014118157A1/en active Application Filing
- 2014-01-28 EP EP14701749.5A patent/EP2936484B1/en active Active
- 2014-01-28 RU RU2015136851A patent/RU2622860C2/ru active
- 2014-01-28 BR BR112015018022-1A patent/BR112015018022B1/pt active IP Right Grant
- 2014-01-28 CA CA2898575A patent/CA2898575C/en active Active
- 2014-01-28 AU AU2014211525A patent/AU2014211525B2/en active Active
- 2014-01-28 JP JP2015555672A patent/JP6253674B2/ja active Active
- 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 |
---|---|
US9640191B2 (en) | 2017-05-02 |
MY172712A (en) | 2019-12-11 |
PT2936484T (pt) | 2018-03-29 |
MX2015009599A (es) | 2015-11-25 |
SG11201505910PA (en) | 2015-08-28 |
BR112015018022B1 (pt) | 2022-01-04 |
CA2898575A1 (en) | 2014-08-07 |
CN105122358A (zh) | 2015-12-02 |
EP2936484A1 (en) | 2015-10-28 |
CN105122358B (zh) | 2019-02-15 |
CA2898575C (en) | 2018-09-11 |
AR094680A1 (es) | 2015-08-19 |
AU2014211525A1 (en) | 2015-08-27 |
PL2936484T3 (pl) | 2018-06-29 |
RU2622860C2 (ru) | 2017-06-20 |
KR20150117671A (ko) | 2015-10-20 |
BR112015018022A2 (es) | 2017-08-22 |
TW201443884A (zh) | 2014-11-16 |
TWI540570B (zh) | 2016-07-01 |
AU2014211525B2 (en) | 2016-09-01 |
ZA201506270B (en) | 2016-07-27 |
HK1216799A1 (zh) | 2016-12-02 |
JP6253674B2 (ja) | 2017-12-27 |
WO2014118157A1 (en) | 2014-08-07 |
EP2936484B1 (en) | 2018-01-03 |
RU2015136851A (ru) | 2017-03-06 |
US20150332700A1 (en) | 2015-11-19 |
KR101757344B1 (ko) | 2017-07-14 |
ES2659182T3 (es) | 2018-03-14 |
JP2016513270A (ja) | 2016-05-12 |
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