BRPI0923887A2 - "método para a codificação de um sinal e método para a decodificação de um sinal" - Google Patents
"método para a codificação de um sinal e método para a decodificação de um sinal"Info
- Publication number
- BRPI0923887A2 BRPI0923887A2 BRPI0923887-5A BRPI0923887A BRPI0923887A2 BR PI0923887 A2 BRPI0923887 A2 BR PI0923887A2 BR PI0923887 A BRPI0923887 A BR PI0923887A BR PI0923887 A2 BRPI0923887 A2 BR PI0923887A2
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- decoding
- encoding
- Prior art date
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
- 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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810247427 | 2008-12-31 | ||
| CN2009101518356A CN101615395B (zh) | 2008-12-31 | 2009-06-25 | 信号编码、解码方法及装置、系统 |
| PCT/CN2009/076306 WO2010075792A1 (zh) | 2008-12-31 | 2009-12-30 | 信号编码、解码方法及装置、系统 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0923887A2 true BRPI0923887A2 (pt) | 2015-07-28 |
Family
ID=41495006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0923887-5A BRPI0923887A2 (pt) | 2008-12-31 | 2009-12-30 | "método para a codificação de um sinal e método para a decodificação de um sinal" |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US8515744B2 (pt) |
| EP (2) | EP2680444A1 (pt) |
| JP (2) | JP5436576B2 (pt) |
| KR (1) | KR101350285B1 (pt) |
| CN (1) | CN101615395B (pt) |
| BR (1) | BRPI0923887A2 (pt) |
| RU (1) | RU2486610C2 (pt) |
| WO (1) | WO2010075792A1 (pt) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615395B (zh) * | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
| IN2012DN05235A (pt) * | 2010-01-08 | 2015-10-23 | Nippon Telegraph & Telephone | |
| US9093068B2 (en) | 2010-03-23 | 2015-07-28 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
| CN106409313B (zh) | 2013-08-06 | 2021-04-20 | 华为技术有限公司 | 一种音频信号分类方法和装置 |
| CN107452391B (zh) * | 2014-04-29 | 2020-08-25 | 华为技术有限公司 | 音频编码方法及相关装置 |
| EP3796314B1 (en) * | 2014-07-28 | 2021-12-22 | Nippon Telegraph And Telephone Corporation | Coding of a sound signal |
| WO2020146867A1 (en) | 2019-01-13 | 2020-07-16 | Huawei Technologies Co., Ltd. | High resolution audio coding |
| MY208391A (en) | 2019-02-01 | 2025-05-06 | Beijing Bytedance Network Tech Co Ltd | Interactions between in-loop reshaping and inter coding tools |
| CN117499644A (zh) * | 2019-03-14 | 2024-02-02 | 北京字节跳动网络技术有限公司 | 环路整形信息的信令和语法 |
| WO2020192612A1 (en) | 2019-03-23 | 2020-10-01 | Beijing Bytedance Network Technology Co., Ltd. | Default in-loop reshaping parameters |
| CN113129913B (zh) * | 2019-12-31 | 2024-05-03 | 华为技术有限公司 | 音频信号的编解码方法和编解码装置 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9006717U1 (de) * | 1990-06-15 | 1991-10-10 | Philips Patentverwaltung GmbH, 22335 Hamburg | Anrufbeantworter für die digitale Aufzeichnung und Wiedergabe von Sprachsignalen |
| US5717824A (en) | 1992-08-07 | 1998-02-10 | Pacific Communication Sciences, Inc. | Adaptive speech coder having code excited linear predictor with multiple codebook searches |
| JP3232701B2 (ja) | 1992-10-15 | 2001-11-26 | 株式会社日立製作所 | 音声符号化方法 |
| JPH07239699A (ja) | 1994-02-28 | 1995-09-12 | Hitachi Ltd | 音声符号化方法およびこの方法を用いた音声符号化装置 |
| US5652903A (en) * | 1994-11-01 | 1997-07-29 | Motorola, Inc. | DSP co-processor for use on an integrated circuit that performs multiple communication tasks |
| US5659698A (en) | 1994-11-01 | 1997-08-19 | Motorola, Inc. | Method and apparatus for generating a circular buffer address in integrated circuit that performs multiple communications tasks |
| JP3137176B2 (ja) * | 1995-12-06 | 2001-02-19 | 日本電気株式会社 | 音声符号化装置 |
| US5978756A (en) * | 1996-03-28 | 1999-11-02 | Intel Corporation | Encoding audio signals using precomputed silence |
| FI964975A7 (fi) * | 1996-12-12 | 1998-06-13 | Nokia Mobile Phones Ltd | Menetelmä ja laite puheen koodaamiseksi |
| US6240386B1 (en) * | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
| US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
| US6947888B1 (en) | 2000-10-17 | 2005-09-20 | Qualcomm Incorporated | Method and apparatus for high performance low bit-rate coding of unvoiced speech |
| US7031926B2 (en) * | 2000-10-23 | 2006-04-18 | Nokia Corporation | Spectral parameter substitution for the frame error concealment in a speech decoder |
| JP3426207B2 (ja) * | 2000-10-26 | 2003-07-14 | 三菱電機株式会社 | 音声符号化方法および装置 |
| DE10124420C1 (de) | 2001-05-18 | 2002-11-28 | Siemens Ag | Verfahren zur Codierung und zur Übertragung von Sprachsignalen |
| JP4622164B2 (ja) | 2001-06-15 | 2011-02-02 | ソニー株式会社 | 音響信号符号化方法及び装置 |
| US20040167772A1 (en) * | 2003-02-26 | 2004-08-26 | Engin Erzin | Speech coding and decoding in a voice communication system |
| ATE368279T1 (de) | 2003-05-01 | 2007-08-15 | Nokia Corp | Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate |
| US7613606B2 (en) * | 2003-10-02 | 2009-11-03 | Nokia Corporation | Speech codecs |
| GB0326263D0 (en) * | 2003-11-11 | 2003-12-17 | Nokia Corp | Speech codecs |
| FI118835B (fi) * | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
| US7933767B2 (en) * | 2004-12-27 | 2011-04-26 | Nokia Corporation | Systems and methods for determining pitch lag for a current frame of information |
| TWI276047B (en) | 2005-12-15 | 2007-03-11 | Ind Tech Res Inst | An apparatus and method for lossless entropy coding of audio signal |
| EP1852848A1 (en) | 2006-05-05 | 2007-11-07 | Deutsche Thomson-Brandt GmbH | Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
| RU2319222C1 (ru) * | 2006-08-30 | 2008-03-10 | Валерий Юрьевич Тарасов | Способ кодирования и декодирования речевого сигнала методом линейного предсказания |
| CN101197576A (zh) * | 2006-12-07 | 2008-06-11 | 上海杰得微电子有限公司 | 一种音频信号编码、解码方法 |
| CN101197577A (zh) * | 2006-12-07 | 2008-06-11 | 展讯通信（上海）有限公司 | 一种用于音频处理框架中的编码和解码方法 |
| CN101615395B (zh) | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
-
2009
- 2009-06-25 CN CN2009101518356A patent/CN101615395B/zh active Active
- 2009-12-30 RU RU2011132152/08A patent/RU2486610C2/ru active
- 2009-12-30 BR BRPI0923887-5A patent/BRPI0923887A2/pt not_active IP Right Cessation
- 2009-12-30 EP EP20130186070 patent/EP2680444A1/en not_active Withdrawn
- 2009-12-30 JP JP2011543970A patent/JP5436576B2/ja active Active
- 2009-12-30 WO PCT/CN2009/076306 patent/WO2010075792A1/zh not_active Ceased
- 2009-12-30 KR KR1020117017706A patent/KR101350285B1/ko active Active
- 2009-12-30 EP EP09836079A patent/EP2385522A1/en not_active Withdrawn
-
2011
- 2011-06-29 US US13/172,575 patent/US8515744B2/en active Active
-
2013
- 2013-07-17 US US13/943,812 patent/US8712763B2/en active Active
- 2013-08-09 JP JP2013165706A patent/JP5521097B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101350285B1 (ko) | 2014-01-10 |
| JP5436576B2 (ja) | 2014-03-05 |
| US20110313761A1 (en) | 2011-12-22 |
| JP5521097B2 (ja) | 2014-06-11 |
| JP2012514225A (ja) | 2012-06-21 |
| EP2680444A1 (en) | 2014-01-01 |
| EP2385522A4 (en) | 2011-11-09 |
| JP2013232013A (ja) | 2013-11-14 |
| WO2010075792A1 (zh) | 2010-07-08 |
| EP2385522A1 (en) | 2011-11-09 |
| CN101615395A (zh) | 2009-12-30 |
| US20130304460A1 (en) | 2013-11-14 |
| RU2011132152A (ru) | 2013-02-20 |
| CN101615395B (zh) | 2011-01-12 |
| US8515744B2 (en) | 2013-08-20 |
| KR20110110262A (ko) | 2011-10-06 |
| RU2486610C2 (ru) | 2013-06-27 |
| US8712763B2 (en) | 2014-04-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0923887A2 (pt) | "método para a codificação de um sinal e método para a decodificação de um sinal" | |
| EP2230851A4 (en) | PROCESS FOR PICTURE CODING AND IMAGE DECODING | |
| BRPI0818603A2 (pt) | método de codificação de vídeo e método de decodificação de vídeo | |
| BRPI0910527A2 (pt) | codificador e decodificador de áudio para estruturas de codificação e decodificação de sinal de áudio testado | |
| BRPI0914032A2 (pt) | decodificador de áudio, codificador de áudio, método para decodificar um sinal de áudio, método para codificar um sinal de áudio, programa de computador e sinal de áudio | |
| BRPI0811587A2 (pt) | Aparelho e método para codificar e decodificar sinais | |
| EP2224432A4 (en) | ENCODER, DECODER AND CODING METHOD | |
| EP2192692A4 (en) | CODING METHOD, CODING DEVICE, AND DECODING DEVICE | |
| EP2207358A4 (en) | VIDEO CODING METHOD AND VIDEO CODING METHOD | |
| EP2309756A4 (en) | BILDCODING METHOD AND DEVICE AND DECODING METHOD AND DEVICE THEREFOR | |
| BRPI0818616A2 (pt) | Aparelho e método para codificação e decodificação de sinais. | |
| BRPI0906824A2 (pt) | Dispositivo de codificação de imagem, dispositivo de decodificação de imagem, método de codificação de imagem e método de decodificação de imagem | |
| BRPI0920785A2 (pt) | técnicas para transferência de tempo através da codificação do sinal | |
| EP2198613A4 (en) | TEXT-RELATED BILDCODING | |
| FR2936623B1 (fr) | Procede de codage d'un document structure et de decodage, dispositifs correspondants | |
| BRPI0907753A2 (pt) | Aparelho de codificação/decodificação de vídeo | |
| BRPI0906521A2 (pt) | método e aparelho de codificação e decodificação | |
| BRPI0911447A2 (pt) | codificação de sinal de profundidade | |
| BRPI0817982A2 (pt) | Aparelho e método para codificar um sinal de áudio multicanal | |
| BRPI0822364A2 (pt) | método e aparelho de codificação/decodificação de vídeo | |
| BRPI0621935A2 (pt) | método e aparelho para codificar e decodificar imagem | |
| BRPI0909487A2 (pt) | método e aparelho para codificação seletiva de sinal baseada na peformance do codificador básico | |
| EP2234275A4 (en) | CODIER, DECODER, CODING METHOD AND DECODING METHOD | |
| EP2445216A4 (en) | IMAGE ENCRYPTION DEVICE, IMAGE KEYING DEVICE, IMAGE ENCRYPTION METHOD AND IMAGE KEYING PROCESS | |
| EP2293567A4 (en) | BILDCODE PROCESS AND DEVICE THEREFOR AND IMAGE DECODING METHOD AND DEVICE THEREFOR |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 9A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2495 DE 30-10-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |