BRPI0610909A2 - codificador/decodificador de voz em sub-bandas com dicionÁrios de càdigos multiestÁgios e codificaÇço redundante - Google Patents
codificador/decodificador de voz em sub-bandas com dicionÁrios de càdigos multiestÁgios e codificaÇço redundanteInfo
- Publication number
- BRPI0610909A2 BRPI0610909A2 BRPI0610909-8A BRPI0610909A BRPI0610909A2 BR PI0610909 A2 BRPI0610909 A2 BR PI0610909A2 BR PI0610909 A BRPI0610909 A BR PI0610909A BR PI0610909 A2 BRPI0610909 A2 BR PI0610909A2
- Authority
- BR
- Brazil
- Prior art keywords
- coded
- decoding
- information
- decoder
- coded unit
- Prior art date
Links
- 230000005236 sound signal Effects 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
- G10L19/04—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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
-
- 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
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
CODIFICADOR/DECODIFICADOR DE VOZ EM SUB-BANDAS COM DICIONÁRIOS DE CàDIGOS MULTIESTAGIOS E CODIFICAÇçO REDUNDANTE. São descritas técnicas e ferramentas relacionadas à codificação e decodificação de informações de áudio. Por exemplo, as informações codificadas redundantes para decodificar um quadro atual incluem informações de histórico de sinal associadas a apenas uma parte de um quadro anterior. Como outro exemplo, as informações redundantes codificadas para a decodificação de uma unidade codificada incluem parâmetros para um estágio de dicionário de códigos a ser usado na decodificação da unidade codificada atual apenas se a unidade anterior codificada não estiver disponível. Como ainda outro exemplo, cada uma das unidades de áudio codificadas inclui um campo indicando se a unidade codificada inclui informações principais codificadas representando um segmento de um sinal de áudio, e se a unidade codificada inclui informações redundantes codificadas para uso na decodificação das informações principais codificadas.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/142,605 US7177804B2 (en) | 2005-05-31 | 2005-05-31 | Sub-band voice codec with multi-stage codebooks and redundant coding |
PCT/US2006/012686 WO2006130229A1 (en) | 2005-05-31 | 2006-04-05 | Sub-band voice codec with multi-stage codebooks and redundant coding |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0610909A2 true BRPI0610909A2 (pt) | 2008-12-02 |
Family
ID=37464576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0610909-8A BRPI0610909A2 (pt) | 2005-05-31 | 2006-04-05 | codificador/decodificador de voz em sub-bandas com dicionÁrios de càdigos multiestÁgios e codificaÇço redundante |
Country Status (19)
Country | Link |
---|---|
US (4) | US7177804B2 (pt) |
EP (2) | EP1886306B1 (pt) |
JP (2) | JP5123173B2 (pt) |
KR (1) | KR101238583B1 (pt) |
CN (2) | CN101189662B (pt) |
AT (1) | ATE492014T1 (pt) |
AU (1) | AU2006252965B2 (pt) |
BR (1) | BRPI0610909A2 (pt) |
CA (1) | CA2611829C (pt) |
DE (1) | DE602006018908D1 (pt) |
ES (1) | ES2358213T3 (pt) |
HK (1) | HK1123621A1 (pt) |
IL (1) | IL187196A (pt) |
NO (1) | NO339287B1 (pt) |
NZ (1) | NZ563462A (pt) |
PL (1) | PL1886306T3 (pt) |
RU (1) | RU2418324C2 (pt) |
TW (1) | TWI413107B (pt) |
WO (1) | WO2006130229A1 (pt) |
Families Citing this family (100)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7315815B1 (en) | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
US7698132B2 (en) * | 2002-12-17 | 2010-04-13 | Qualcomm Incorporated | Sub-sampled excitation waveform codebooks |
US20050004793A1 (en) * | 2003-07-03 | 2005-01-06 | Pasi Ojala | Signal adaptation for higher band coding in a codec utilizing band split coding |
FR2867648A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques |
US7668712B2 (en) * | 2004-03-31 | 2010-02-23 | Microsoft Corporation | Audio encoding and decoding with intra frames and adaptive forward error correction |
CN1989548B (zh) * | 2004-07-20 | 2010-12-08 | 松下电器产业株式会社 | 语音解码装置及补偿帧生成方法 |
EP1775718A4 (en) * | 2004-07-22 | 2008-05-07 | Fujitsu Ltd | AUDIOCODING DEVICE AND AUDIOCODING METHOD |
US7177804B2 (en) * | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
US7831421B2 (en) * | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
US7707034B2 (en) * | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
KR101171098B1 (ko) * | 2005-07-22 | 2012-08-20 | 삼성전자주식회사 | 혼합 구조의 스케일러블 음성 부호화 방법 및 장치 |
US20070058530A1 (en) * | 2005-09-14 | 2007-03-15 | Sbc Knowledge Ventures, L.P. | Apparatus, computer readable medium and method for redundant data stream control |
US7664091B2 (en) * | 2005-10-03 | 2010-02-16 | Motorola, Inc. | Method and apparatus for control channel transmission and reception |
KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
US8611300B2 (en) * | 2006-01-18 | 2013-12-17 | Motorola Mobility Llc | Method and apparatus for conveying control channel information in OFDMA system |
EP1989706B1 (fr) * | 2006-02-14 | 2011-10-26 | France Telecom | Dispositif de ponderation perceptuelle en codage/decodage audio |
JP5058152B2 (ja) * | 2006-03-10 | 2012-10-24 | パナソニック株式会社 | 符号化装置および符号化方法 |
KR100900438B1 (ko) * | 2006-04-25 | 2009-06-01 | 삼성전자주식회사 | 음성 패킷 복구 장치 및 방법 |
DE102006022346B4 (de) * | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
US8712766B2 (en) * | 2006-05-16 | 2014-04-29 | Motorola Mobility Llc | Method and system for coding an information signal using closed loop adaptive bit allocation |
US9515843B2 (en) * | 2006-06-22 | 2016-12-06 | Broadcom Corporation | Method and system for link adaptive Ethernet communications |
US8326609B2 (en) * | 2006-06-29 | 2012-12-04 | Lg Electronics Inc. | Method and apparatus for an audio signal processing |
US8135047B2 (en) * | 2006-07-31 | 2012-03-13 | Qualcomm Incorporated | Systems and methods for including an identifier with a packet associated with a speech signal |
US9454974B2 (en) * | 2006-07-31 | 2016-09-27 | Qualcomm Incorporated | Systems, methods, and apparatus for gain factor limiting |
US8280728B2 (en) * | 2006-08-11 | 2012-10-02 | Broadcom Corporation | Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
EP2054876B1 (en) * | 2006-08-15 | 2011-10-26 | Broadcom Corporation | Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform |
US7778307B2 (en) * | 2006-10-04 | 2010-08-17 | Motorola, Inc. | Allocation of control channel for radio resource assignment in wireless communication systems |
US20080084853A1 (en) | 2006-10-04 | 2008-04-10 | Motorola, Inc. | Radio resource assignment in control channel in wireless communication systems |
ES2366551T3 (es) * | 2006-11-29 | 2011-10-21 | Loquendo Spa | Codificación y decodificación dependiente de una fuente de múltiples libros de códigos. |
US8000961B2 (en) * | 2006-12-26 | 2011-08-16 | Yang Gao | Gain quantization system for speech coding to improve packet loss concealment |
US8688437B2 (en) | 2006-12-26 | 2014-04-01 | Huawei Technologies Co., Ltd. | Packet loss concealment for speech coding |
FR2911228A1 (fr) * | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard. |
ES2404408T3 (es) * | 2007-03-02 | 2013-05-27 | Panasonic Corporation | Dispositivo de codificación y método de codificación |
US20080249783A1 (en) * | 2007-04-05 | 2008-10-09 | Texas Instruments Incorporated | Layered Code-Excited Linear Prediction Speech Encoder and Decoder Having Plural Codebook Contributions in Enhancement Layers Thereof and Methods of Layered CELP Encoding and Decoding |
EP2381580A1 (en) * | 2007-04-13 | 2011-10-26 | Global IP Solutions (GIPS) AB | Adaptive, scalable packet loss recovery |
US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
KR101403340B1 (ko) * | 2007-08-02 | 2014-06-09 | 삼성전자주식회사 | 변환 부호화 방법 및 장치 |
CN101170554B (zh) * | 2007-09-04 | 2012-07-04 | 萨摩亚商·繁星科技有限公司 | 资讯安全传递系统 |
US8422480B2 (en) * | 2007-10-01 | 2013-04-16 | Qualcomm Incorporated | Acknowledge mode polling with immediate status report timing |
CN101889306A (zh) * | 2007-10-15 | 2010-11-17 | Lg电子株式会社 | 用于处理信号的方法和装置 |
EP3261090A1 (en) * | 2007-12-21 | 2017-12-27 | III Holdings 12, LLC | Encoder, decoder, and encoding method |
US8190440B2 (en) * | 2008-02-29 | 2012-05-29 | Broadcom Corporation | Sub-band codec with native voice activity detection |
WO2009114656A1 (en) * | 2008-03-14 | 2009-09-17 | Dolby Laboratories Licensing Corporation | Multimode coding of speech-like and non-speech-like signals |
JP4506870B2 (ja) * | 2008-04-30 | 2010-07-21 | ソニー株式会社 | 受信装置および受信方法、並びにプログラム |
US8768690B2 (en) * | 2008-06-20 | 2014-07-01 | Qualcomm Incorporated | Coding scheme selection for low-bit-rate applications |
US20090319261A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
US20090319263A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
US20100027524A1 (en) * | 2008-07-31 | 2010-02-04 | Nokia Corporation | Radio layer emulation of real time protocol sequence number and timestamp |
US8706479B2 (en) * | 2008-11-14 | 2014-04-22 | Broadcom Corporation | Packet loss concealment for sub-band codecs |
US8156530B2 (en) * | 2008-12-17 | 2012-04-10 | At&T Intellectual Property I, L.P. | Method and apparatus for managing access plans |
KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
AU2010303039B9 (en) * | 2009-09-29 | 2014-10-23 | Dolby International Ab | Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value |
US8914714B2 (en) * | 2009-10-07 | 2014-12-16 | Nippon Telegraph And Telephone Corporation | Wireless communication system, wireless relay station apparatus, wireless terminal station apparatus, and wireless communication method |
CN102714034B (zh) * | 2009-10-15 | 2014-06-04 | 华为技术有限公司 | 信号处理的方法、装置和系统 |
TWI484473B (zh) * | 2009-10-30 | 2015-05-11 | Dolby Int Ab | 用於從編碼位元串流擷取音訊訊號之節奏資訊、及估算音訊訊號之知覺顯著節奏的方法及系統 |
CN102844810B (zh) * | 2010-04-14 | 2017-05-03 | 沃伊斯亚吉公司 | 用于在码激励线性预测编码器和解码器中使用的灵活和可缩放的组合式创新代码本 |
US8660195B2 (en) * | 2010-08-10 | 2014-02-25 | Qualcomm Incorporated | Using quantized prediction memory during fast recovery coding |
BR122021003884B1 (pt) | 2010-08-12 | 2021-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Reamostrar sinais de saída de codecs de áudio com base em qmf |
JP5749462B2 (ja) * | 2010-08-13 | 2015-07-15 | 株式会社Nttドコモ | オーディオ復号装置、オーディオ復号方法、オーディオ復号プログラム、オーディオ符号化装置、オーディオ符号化方法、及び、オーディオ符号化プログラム |
CN103250206B (zh) | 2010-10-07 | 2015-07-15 | 弗朗霍夫应用科学研究促进协会 | 用于比特流域中的编码音频帧的强度估计的装置及方法 |
US9767822B2 (en) * | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and decoding a watermarked signal |
US9767823B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and detecting a watermarked signal |
US8976675B2 (en) * | 2011-02-28 | 2015-03-10 | Avaya Inc. | Automatic modification of VOIP packet retransmission level based on the psycho-acoustic value of the packet |
CN103443854B (zh) * | 2011-04-08 | 2016-06-08 | 杜比实验室特许公司 | 用于混合来自两个编码位流的音频节目的元数据的自动配置 |
NO2669468T3 (pt) * | 2011-05-11 | 2018-06-02 | ||
WO2012161675A1 (en) * | 2011-05-20 | 2012-11-29 | Google Inc. | Redundant coding unit for audio codec |
US8909539B2 (en) * | 2011-12-07 | 2014-12-09 | Gwangju Institute Of Science And Technology | Method and device for extending bandwidth of speech signal |
US9275644B2 (en) * | 2012-01-20 | 2016-03-01 | Qualcomm Incorporated | Devices for redundant frame coding and decoding |
EP2891149A1 (en) * | 2012-08-31 | 2015-07-08 | Dolby Laboratories Licensing Corporation | Processing audio objects in principal and supplementary encoded audio signals |
EP4372602A3 (en) * | 2013-01-08 | 2024-07-10 | Dolby International AB | Model based prediction in a critically sampled filterbank |
CN107578781B (zh) * | 2013-01-21 | 2021-01-29 | 杜比实验室特许公司 | 利用响度处理状态元数据的音频编码器和解码器 |
RU2602332C1 (ru) * | 2013-01-21 | 2016-11-20 | Долби Лабораторис Лайсэнзин Корпорейшн | Перекодировка метаданных |
TWM487509U (zh) | 2013-06-19 | 2014-10-01 | 杜比實驗室特許公司 | 音訊處理設備及電子裝置 |
BR112015031181A2 (pt) | 2013-06-21 | 2017-07-25 | Fraunhofer Ges Forschung | aparelho e método que realizam conceitos aperfeiçoados para tcx ltp |
JP6153661B2 (ja) | 2013-06-21 | 2017-06-28 | フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー.フアー. | 改善されたパルス再同期化を採用するacelp型封じ込めにおける適応型コードブックの改善された封じ込めのための装置および方法 |
US10095468B2 (en) | 2013-09-12 | 2018-10-09 | Dolby Laboratories Licensing Corporation | Dynamic range control for a wide variety of playback environments |
US10614816B2 (en) * | 2013-10-11 | 2020-04-07 | Qualcomm Incorporated | Systems and methods of communicating redundant frame information |
CN104751849B (zh) | 2013-12-31 | 2017-04-19 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
EP2922055A1 (en) * | 2014-03-19 | 2015-09-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information |
CN107369455B (zh) * | 2014-03-21 | 2020-12-15 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
HRP20240674T1 (hr) | 2014-04-17 | 2024-08-16 | Voiceage Evs Llc | Postupci, koder i dekoder za linearno prediktivno kodiranje i dekodiranje zvučnih signala pri prijelazu između okvira koji imaju različitu brzinu uzorkovanja |
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 |
US9893835B2 (en) * | 2015-01-16 | 2018-02-13 | Real-Time Innovations, Inc. | Auto-tuning reliability protocol in pub-sub RTPS systems |
WO2017050398A1 (en) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding |
IL302588B1 (en) | 2015-10-08 | 2024-10-01 | Dolby Int Ab | Layered coding and data structure for compressed high-order sound or surround sound field representations |
MX2020011754A (es) | 2015-10-08 | 2022-05-19 | Dolby Int Ab | Codificacion en capas para representaciones de sonido o campo de sonido comprimidas. |
US10049681B2 (en) * | 2015-10-29 | 2018-08-14 | Qualcomm Incorporated | Packet bearing signaling information indicative of whether to decode a primary coding or a redundant coding of the packet |
US10049682B2 (en) * | 2015-10-29 | 2018-08-14 | Qualcomm Incorporated | Packet bearing signaling information indicative of whether to decode a primary coding or a redundant coding of the packet |
CN107025125B (zh) * | 2016-01-29 | 2019-10-22 | 上海大唐移动通信设备有限公司 | 一种原始码流解码方法和系统 |
CN107564535B (zh) * | 2017-08-29 | 2020-09-01 | 中国人民解放军理工大学 | 一种分布式低速语音通话方法 |
US10586546B2 (en) | 2018-04-26 | 2020-03-10 | Qualcomm Incorporated | Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding |
US10734006B2 (en) | 2018-06-01 | 2020-08-04 | Qualcomm Incorporated | Audio coding based on audio pattern recognition |
US10580424B2 (en) * | 2018-06-01 | 2020-03-03 | Qualcomm Incorporated | Perceptual audio coding as sequential decision-making problems |
US10957331B2 (en) * | 2018-12-17 | 2021-03-23 | Microsoft Technology Licensing, Llc | Phase reconstruction in a speech decoder |
WO2020164751A1 (en) | 2019-02-13 | 2020-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment |
US10984808B2 (en) * | 2019-07-09 | 2021-04-20 | Blackberry Limited | Method for multi-stage compression in sub-band processing |
CN110910906A (zh) * | 2019-11-12 | 2020-03-24 | 国网山东省电力公司临沂供电公司 | 基于电力内网的音频端点检测及降噪方法 |
CN113724716B (zh) * | 2021-09-30 | 2024-02-23 | 北京达佳互联信息技术有限公司 | 语音处理方法和语音处理装置 |
US20230154474A1 (en) * | 2021-11-17 | 2023-05-18 | Agora Lab, Inc. | System and method for providing high quality audio communication over low bit rate connection |
CN117558283B (zh) * | 2024-01-12 | 2024-03-22 | 杭州国芯科技股份有限公司 | 一种多路多标准的音频解码系统 |
Family Cites Families (126)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969192A (en) | 1987-04-06 | 1990-11-06 | Voicecraft, Inc. | Vector adaptive predictive coder for speech and audio |
US4802171A (en) | 1987-06-04 | 1989-01-31 | Motorola, Inc. | Method for error correction in digitally encoded speech |
US4815134A (en) * | 1987-09-08 | 1989-03-21 | Texas Instruments Incorporated | Very low rate speech encoder and decoder |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
US5664051A (en) * | 1990-09-24 | 1997-09-02 | Digital Voice Systems, Inc. | Method and apparatus for phase synthesis for speech processing |
KR960013206B1 (ko) * | 1990-12-31 | 1996-10-02 | 박헌철 | 조립식 원적외선 사우나 욕실 |
US5255339A (en) | 1991-07-19 | 1993-10-19 | Motorola, Inc. | Low bit rate vocoder means and method |
US5657418A (en) * | 1991-09-05 | 1997-08-12 | Motorola, Inc. | Provision of speech coder gain information using multiple coding modes |
US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
JP2746039B2 (ja) * | 1993-01-22 | 1998-04-28 | 日本電気株式会社 | 音声符号化方式 |
US20030075869A1 (en) * | 1993-02-25 | 2003-04-24 | Shuffle Master, Inc. | Bet withdrawal casino game with wild symbol |
US5706352A (en) * | 1993-04-07 | 1998-01-06 | K/S Himpp | Adaptive gain and filtering circuit for a sound reproduction system |
US5673364A (en) * | 1993-12-01 | 1997-09-30 | The Dsp Group Ltd. | System and method for compression and decompression of audio signals |
US5615298A (en) * | 1994-03-14 | 1997-03-25 | Lucent Technologies Inc. | Excitation signal synthesis during frame erasure or packet loss |
US5717823A (en) * | 1994-04-14 | 1998-02-10 | Lucent Technologies Inc. | Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders |
JP3277705B2 (ja) * | 1994-07-27 | 2002-04-22 | ソニー株式会社 | 情報符号化装置及び方法、並びに情報復号化装置及び方法 |
TW271524B (pt) * | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
US5699477A (en) * | 1994-11-09 | 1997-12-16 | Texas Instruments Incorporated | Mixed excitation linear prediction with fractional pitch |
US5751903A (en) * | 1994-12-19 | 1998-05-12 | Hughes Electronics | Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset |
SE504010C2 (sv) * | 1995-02-08 | 1996-10-14 | Ericsson Telefon Ab L M | Förfarande och anordning för prediktiv kodning av tal- och datasignaler |
FR2734389B1 (fr) | 1995-05-17 | 1997-07-18 | Proust Stephane | Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme |
US5668925A (en) * | 1995-06-01 | 1997-09-16 | Martin Marietta Corporation | Low data rate speech encoder with mixed excitation |
US5664055A (en) | 1995-06-07 | 1997-09-02 | Lucent Technologies Inc. | CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity |
US5699485A (en) | 1995-06-07 | 1997-12-16 | Lucent Technologies Inc. | Pitch delay modification during frame erasures |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
EP0763818B1 (en) | 1995-09-14 | 2003-05-14 | Kabushiki Kaisha Toshiba | Formant emphasis method and formant emphasis filter device |
US5835495A (en) * | 1995-10-11 | 1998-11-10 | Microsoft Corporation | System and method for scaleable streamed audio transmission over a network |
TW321810B (pt) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
IT1281001B1 (it) * | 1995-10-27 | 1998-02-11 | Cselt Centro Studi Lab Telecom | Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. |
EP0788091A3 (en) * | 1996-01-31 | 1999-02-24 | Kabushiki Kaisha Toshiba | Speech encoding and decoding method and apparatus therefor |
US5778335A (en) * | 1996-02-26 | 1998-07-07 | The Regents Of The University Of California | Method and apparatus for efficient multiband celp wideband speech and music coding and decoding |
US6041345A (en) * | 1996-03-08 | 2000-03-21 | Microsoft Corporation | Active stream format for holding multiple media streams |
SE506341C2 (sv) | 1996-04-10 | 1997-12-08 | Ericsson Telefon Ab L M | Metod och anordning för rekonstruktion av en mottagen talsignal |
JP3335841B2 (ja) * | 1996-05-27 | 2002-10-21 | 日本電気株式会社 | 信号符号化装置 |
US5819298A (en) * | 1996-06-24 | 1998-10-06 | Sun Microsystems, Inc. | File allocation tables with holes |
JPH1078799A (ja) * | 1996-09-04 | 1998-03-24 | Fujitsu Ltd | コードブック |
US6570991B1 (en) | 1996-12-18 | 2003-05-27 | Interval Research Corporation | Multi-feature speech/music discrimination system |
US6317714B1 (en) | 1997-02-04 | 2001-11-13 | Microsoft Corporation | Controller and associated mechanical characters operable for continuously performing received control data while engaging in bidirectional communications over a single communications channel |
US6134518A (en) * | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
US6131084A (en) | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
US6292834B1 (en) * | 1997-03-14 | 2001-09-18 | Microsoft Corporation | Dynamic bandwidth selection for efficient transmission of multimedia streams in a computer network |
US6728775B1 (en) * | 1997-03-17 | 2004-04-27 | Microsoft Corporation | Multiple multicasting of multimedia streams |
IL120788A (en) * | 1997-05-06 | 2000-07-16 | Audiocodes Ltd | Systems and methods for encoding and decoding speech for lossy transmission networks |
CN1117459C (zh) * | 1997-05-12 | 2003-08-06 | 阿马提通信有限公司 | 超帧比特分配方法和系统 |
US6009122A (en) * | 1997-05-12 | 1999-12-28 | Amati Communciations Corporation | Method and apparatus for superframe bit allocation |
US6058359A (en) * | 1998-03-04 | 2000-05-02 | Telefonaktiebolaget L M Ericsson | Speech coding including soft adaptability feature |
FI973873A (fi) * | 1997-10-02 | 1999-04-03 | Nokia Mobile Phones Ltd | Puhekoodaus |
US6263312B1 (en) * | 1997-10-03 | 2001-07-17 | Alaris, Inc. | Audio compression and decompression employing subband decomposition of residual signal and distortion reduction |
EP1746583B1 (en) * | 1997-10-22 | 2008-09-17 | Matsushita Electric Industrial Co., Ltd. | Sound encoder and sound decoder |
US6199037B1 (en) * | 1997-12-04 | 2001-03-06 | Digital Voice Systems, Inc. | Joint quantization of speech subframe voicing metrics and fundamental frequencies |
US5870412A (en) * | 1997-12-12 | 1999-02-09 | 3Com Corporation | Forward error correction system for packet based real time media |
US6351730B2 (en) * | 1998-03-30 | 2002-02-26 | Lucent Technologies Inc. | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
US6385573B1 (en) * | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
US6330533B2 (en) * | 1998-08-24 | 2001-12-11 | Conexant Systems, Inc. | Speech encoder adaptively applying pitch preprocessing with warping of target signal |
US6480822B2 (en) | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
US7072832B1 (en) * | 1998-08-24 | 2006-07-04 | Mindspeed Technologies, Inc. | System for speech encoding having an adaptive encoding arrangement |
US6823303B1 (en) * | 1998-08-24 | 2004-11-23 | Conexant Systems, Inc. | Speech encoder using voice activity detection in coding noise |
US6493665B1 (en) * | 1998-08-24 | 2002-12-10 | Conexant Systems, Inc. | Speech classification and parameter weighting used in codebook search |
FR2784218B1 (fr) | 1998-10-06 | 2000-12-08 | Thomson Csf | Procede de codage de la parole a bas debit |
US6438136B1 (en) * | 1998-10-09 | 2002-08-20 | Microsoft Corporation | Method for scheduling time slots in a communications network channel to support on-going video transmissions |
US6289297B1 (en) * | 1998-10-09 | 2001-09-11 | Microsoft Corporation | Method for reconstructing a video frame received from a video source over a communication channel |
JP4359949B2 (ja) | 1998-10-22 | 2009-11-11 | ソニー株式会社 | 信号符号化装置及び方法、並びに信号復号装置及び方法 |
US6310915B1 (en) * | 1998-11-20 | 2001-10-30 | Harmonic Inc. | Video transcoder with bitstream look ahead for rate control and statistical multiplexing |
US6226606B1 (en) * | 1998-11-24 | 2001-05-01 | Microsoft Corporation | Method and apparatus for pitch tracking |
US6456964B2 (en) * | 1998-12-21 | 2002-09-24 | Qualcomm, Incorporated | Encoding of periodic speech using prototype waveforms |
US6311154B1 (en) * | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
US6499060B1 (en) * | 1999-03-12 | 2002-12-24 | Microsoft Corporation | Media coding for loss recovery with remotely predicted data units |
US6377915B1 (en) | 1999-03-17 | 2002-04-23 | Yrp Advanced Mobile Communication Systems Research Laboratories Co., Ltd. | Speech decoding using mix ratio table |
US6460153B1 (en) * | 1999-03-26 | 2002-10-01 | Microsoft Corp. | Apparatus and method for unequal error protection in multiple-description coding using overcomplete expansions |
US7117156B1 (en) * | 1999-04-19 | 2006-10-03 | At&T Corp. | Method and apparatus for performing packet loss or frame erasure concealment |
US6952668B1 (en) | 1999-04-19 | 2005-10-04 | At&T Corp. | Method and apparatus for performing packet loss or frame erasure concealment |
DE19921122C1 (de) | 1999-05-07 | 2001-01-25 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Verschleiern eines Fehlers in einem codierten Audiosignal und Verfahren und Vorrichtung zum Decodieren eines codierten Audiosignals |
DE59908889D1 (de) * | 1999-06-18 | 2004-04-22 | Alcatel Sa | Gemeinsame Quellen- und Kanalcodierung |
US6633841B1 (en) | 1999-07-29 | 2003-10-14 | Mindspeed Technologies, Inc. | Voice activity detection speech coding to accommodate music signals |
US6434247B1 (en) | 1999-07-30 | 2002-08-13 | Gn Resound A/S | Feedback cancellation apparatus and methods utilizing adaptive reference filter mechanisms |
US6721337B1 (en) | 1999-08-24 | 2004-04-13 | Ibiquity Digital Corporation | Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
US6775649B1 (en) * | 1999-09-01 | 2004-08-10 | Texas Instruments Incorporated | Concealment of frame erasures for speech transmission and storage system and method |
US6505152B1 (en) * | 1999-09-03 | 2003-01-07 | Microsoft Corporation | Method and apparatus for using formant models in speech systems |
US7315815B1 (en) | 1999-09-22 | 2008-01-01 | Microsoft Corporation | LPC-harmonic vocoder with superframe structure |
US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
AU7486200A (en) * | 1999-09-22 | 2001-04-24 | Conexant Systems, Inc. | Multimode speech encoder |
US6772126B1 (en) * | 1999-09-30 | 2004-08-03 | Motorola, Inc. | Method and apparatus for transferring low bit rate digital voice messages using incremental messages |
US6313714B1 (en) * | 1999-10-15 | 2001-11-06 | Trw Inc. | Waveguide coupler |
US6510407B1 (en) * | 1999-10-19 | 2003-01-21 | Atmel Corporation | Method and apparatus for variable rate coding of speech |
US6826527B1 (en) | 1999-11-23 | 2004-11-30 | Texas Instruments Incorporated | Concealment of frame erasures and method |
US6621935B1 (en) * | 1999-12-03 | 2003-09-16 | Microsoft Corporation | System and method for robust image representation over error-prone channels |
AU2547201A (en) * | 2000-01-11 | 2001-07-24 | Matsushita Electric Industrial Co., Ltd. | Multi-mode voice encoding device and decoding device |
GB2358558B (en) | 2000-01-18 | 2003-10-15 | Mitel Corp | Packet loss compensation method using injection of spectrally shaped noise |
US6732070B1 (en) * | 2000-02-16 | 2004-05-04 | Nokia Mobile Phones, Ltd. | Wideband speech codec using a higher sampling rate in analysis and synthesis filtering than in excitation searching |
US6693964B1 (en) * | 2000-03-24 | 2004-02-17 | Microsoft Corporation | Methods and arrangements for compressing image based rendering data using multiple reference frame prediction techniques that support just-in-time rendering of an image |
US6757654B1 (en) * | 2000-05-11 | 2004-06-29 | Telefonaktiebolaget Lm Ericsson | Forward error correction in speech coding |
JP2002118517A (ja) | 2000-07-31 | 2002-04-19 | Sony Corp | 直交変換装置及び方法、逆直交変換装置及び方法、変換符号化装置及び方法、並びに復号装置及び方法 |
US6934678B1 (en) * | 2000-09-25 | 2005-08-23 | Koninklijke Philips Electronics N.V. | Device and method for coding speech to be recognized (STBR) at a near end |
EP1199709A1 (en) | 2000-10-20 | 2002-04-24 | Telefonaktiebolaget Lm Ericsson | Error Concealment in relation to decoding of encoded acoustic signals |
US6968309B1 (en) | 2000-10-31 | 2005-11-22 | Nokia Mobile Phones Ltd. | Method and system for speech frame error concealment in speech decoding |
CN1202514C (zh) * | 2000-11-27 | 2005-05-18 | 日本电信电话株式会社 | 编码和解码语音及其参数的方法、编码器、解码器 |
KR100830857B1 (ko) * | 2001-01-19 | 2008-05-22 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 오디오 전송 시스템, 오디오 수신기, 전송 방법, 수신 방법 및 음성 디코더 |
US6614370B2 (en) | 2001-01-26 | 2003-09-02 | Oded Gottesman | Redundant compression techniques for transmitting data over degraded communication links and/or storing data on media subject to degradation |
US6754624B2 (en) * | 2001-02-13 | 2004-06-22 | Qualcomm, Inc. | Codebook re-ordering to reduce undesired packet generation |
DE60233283D1 (de) * | 2001-02-27 | 2009-09-24 | Texas Instruments Inc | Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafer |
US7151749B2 (en) * | 2001-06-14 | 2006-12-19 | Microsoft Corporation | Method and System for providing adaptive bandwidth control for real-time communication |
US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
US6879955B2 (en) * | 2001-06-29 | 2005-04-12 | Microsoft Corporation | Signal modification based on continuous time warping for low bit rate CELP coding |
US6941263B2 (en) * | 2001-06-29 | 2005-09-06 | Microsoft Corporation | Frequency domain postfiltering for quality enhancement of coded speech |
US7277554B2 (en) | 2001-08-08 | 2007-10-02 | Gn Resound North America Corporation | Dynamic range compression using digital frequency warping |
US7512535B2 (en) | 2001-10-03 | 2009-03-31 | Broadcom Corporation | Adaptive postfiltering methods and systems for decoding speech |
EP1435142B1 (en) * | 2001-10-11 | 2008-04-09 | Interdigital Technology Corporation | System and method for utilizing unused capacity in the data field of a special burst |
US6785645B2 (en) * | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
US7027982B2 (en) * | 2001-12-14 | 2006-04-11 | Microsoft Corporation | Quality and rate control strategy for digital audio |
US6934677B2 (en) * | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
US6789123B2 (en) * | 2001-12-28 | 2004-09-07 | Microsoft Corporation | System and method for delivery of dynamically scalable audio/video content over a network |
US6647366B2 (en) * | 2001-12-28 | 2003-11-11 | Microsoft Corporation | Rate control strategies for speech and music coding |
CA2388352A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for frequency-selective pitch enhancement of synthesized speed |
CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
DE602004004950T2 (de) * | 2003-07-09 | 2007-10-31 | Samsung Electronics Co., Ltd., Suwon | Vorrichtung und Verfahren zum bitraten-skalierbaren Sprachkodieren und -dekodieren |
US7356748B2 (en) | 2003-12-19 | 2008-04-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Partial spectral loss concealment in transform codecs |
US7792670B2 (en) * | 2003-12-19 | 2010-09-07 | Motorola, Inc. | Method and apparatus for speech coding |
DE602005006973D1 (de) | 2004-01-19 | 2008-07-03 | Nxp Bv | System für die audiosignalverarbeitung |
US7668712B2 (en) | 2004-03-31 | 2010-02-23 | Microsoft Corporation | Audio encoding and decoding with intra frames and adaptive forward error correction |
US7362819B2 (en) * | 2004-06-16 | 2008-04-22 | Lucent Technologies Inc. | Device and method for reducing peaks of a composite signal |
CA2574101C (en) * | 2004-07-19 | 2013-06-25 | Eberle Design, Inc. | Methods and apparatus for an improved signal monitor |
JP5129117B2 (ja) | 2005-04-01 | 2013-01-23 | クゥアルコム・インコーポレイテッド | 音声信号の高帯域部分を符号化及び復号する方法及び装置 |
US7831421B2 (en) | 2005-05-31 | 2010-11-09 | Microsoft Corporation | Robust decoder |
US7177804B2 (en) | 2005-05-31 | 2007-02-13 | Microsoft Corporation | Sub-band voice codec with multi-stage codebooks and redundant coding |
US7707034B2 (en) | 2005-05-31 | 2010-04-27 | Microsoft Corporation | Audio codec post-filter |
-
2005
- 2005-05-31 US US11/142,605 patent/US7177804B2/en active Active
- 2005-08-04 US US11/197,914 patent/US7280960B2/en not_active Expired - Fee Related
-
2006
- 2006-04-05 ES ES06749340T patent/ES2358213T3/es active Active
- 2006-04-05 EP EP06749340A patent/EP1886306B1/en active Active
- 2006-04-05 AT AT06749340T patent/ATE492014T1/de active
- 2006-04-05 EP EP10013568A patent/EP2282309A3/en not_active Withdrawn
- 2006-04-05 AU AU2006252965A patent/AU2006252965B2/en active Active
- 2006-04-05 BR BRPI0610909-8A patent/BRPI0610909A2/pt not_active IP Right Cessation
- 2006-04-05 NZ NZ563462A patent/NZ563462A/en unknown
- 2006-04-05 CA CA2611829A patent/CA2611829C/en active Active
- 2006-04-05 KR KR1020077026294A patent/KR101238583B1/ko active IP Right Grant
- 2006-04-05 JP JP2008514628A patent/JP5123173B2/ja active Active
- 2006-04-05 CN CN2006800195412A patent/CN101189662B/zh active Active
- 2006-04-05 WO PCT/US2006/012686 patent/WO2006130229A1/en active Application Filing
- 2006-04-05 PL PL06749340T patent/PL1886306T3/pl unknown
- 2006-04-05 RU RU2007144493/09A patent/RU2418324C2/ru active
- 2006-04-05 CN CN2010105368350A patent/CN101996636B/zh active Active
- 2006-04-05 DE DE602006018908T patent/DE602006018908D1/de active Active
- 2006-04-11 TW TW095112871A patent/TWI413107B/zh not_active IP Right Cessation
-
2007
- 2007-10-09 US US11/973,689 patent/US7904293B2/en active Active
- 2007-10-09 US US11/973,690 patent/US7734465B2/en active Active
- 2007-11-06 IL IL187196A patent/IL187196A/en active IP Right Grant
- 2007-11-12 NO NO20075782A patent/NO339287B1/no unknown
-
2008
- 2008-11-28 HK HK08113068.2A patent/HK1123621A1/xx unknown
-
2012
- 2012-05-02 JP JP2012105376A patent/JP5186054B2/ja active Active
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BRPI0610909A2 (pt) | codificador/decodificador de voz em sub-bandas com dicionÁrios de càdigos multiestÁgios e codificaÇço redundante | |
MX2012010439A (es) | Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion. | |
JP2008546021A5 (pt) | ||
CO6341673A2 (es) | Esquema de codificacion / decodificacion de audio a baja tasa de bits con pre-procesamiento comun | |
DE602004008676D1 (de) | Audiocodierung mit verschiedenen codierungsmodellen | |
ATE406651T1 (de) | Audiokodierung und audiodekodierung | |
MY152845A (en) | Method and device for coding transition frames in speech signals | |
MX2010004220A (es) | Codificacion de audio usando mezcla descendente. | |
ATE416455T1 (de) | Verfahren und vorrichtung zum kodieren und dekodieren von mehrkanaltonsignalen | |
WO2007138419A3 (en) | Decoding of predictively coded data using buffer adaptation | |
DE602007006957D1 (de) | Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms | |
ATE348387T1 (de) | Halbrätiger vocoder | |
MX2007012673A (es) | Codificacion de entropia con libros de codigo compactos. | |
TW200606662A (en) | Method to encode a XML-document, method to decode, method to encode and decode, encoding device, decoding device and device to encode and decode | |
EP4398249A3 (en) | Decoding sample-accurate representation of an audio signal | |
WO2006109251A3 (en) | Voice conversion | |
ATE422115T1 (de) | Verlustlose codierung von informationen mit garantierter maximaler bitrate | |
TW200707275A (en) | Method and apparatus for audio encoding and decoding | |
DE60324304D1 (de) | Verfahren und system der kombination von codes bei einem äusseren decoder in einem kommunikationssystem | |
DE602006003233D1 (de) | Skalierbares arithmetisches Audiodatendekodierverfahren, Medium und Vorrichtung | |
BRPI0520115A2 (pt) | métodos para codificar e para decodificar sinais de áudio e codificador e decodificador para sinais de áudio | |
TH127507A (th) | ตัวเข้ารหัสเสียง ตัวถอดรหัสเสียง วิธีการสำหรับการเข้ารหัสสารสนเทศเสียง วิธีการสำหรับการถอดรหัสสารสนเทศเสียง และโปรแกรมคอมพิวเตอร์ที่ใช้การตรวจหาของกลุ่มของค่าสเปกตรัมที่ได้รับการถอดรหัสไปก่อนหน้านี้ | |
TW200733062A (en) | Signal coding and decoding based on spectral dynamics | |
TH127507B (th) | ตัวเข้ารหัสเสียง ตัวถอดรหัสเสียง วิธีการสำหรับการเข้ารหัสสารสนเทศเสียง วิธีการสำหรับการเข้ารหัสสารสนเทศเสียง วิธีการสำหรับการถอดรหัสสารสนเทศเสียง และโปรแกรมคอมพิวเตอร์ที่ใช้การตรวจหาของกลุ่มของค่าสเปกตรัมที่ได้รับการ ถอดรหัสไปก่อนหน้านี้ | |
TH128971A (th) | ตัวเข้ารหัสสัญญาณเสียง ตัวถอดรหัสสัญญาณเสียงวิธีการสำหรับการเข้ารหัสสารสนเทศสัญญาณเสียงวิธีการสำหรับการถอดรหัสสารสนเทศสัญญาณเสียงและโปรแกรมคอมพิวเตอร์ที่ใช้ตารางแฮชที่เหมาะที่สุด |
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 7A 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: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2256 DE 01/04/2014. |